[Perf] Linux/arm64: 624 Regressions on 7/29/2026 2:14:39 AM +00:00

[performanceautofiler]

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_String

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.35 ns	18.96 ns	1.83	0.20	False
ToUpper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.51 ns	17.81 ns	1.69	0.26	False
ToLower - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.32 ns	33.78 ns	1.39	0.21	False
ToLower - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.46 ns	33.63 ns	1.37	0.19	False
ToUpper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.51 ns	33.61 ns	1.37	0.21	False
ToUpper - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.58 ns	33.35 ns	1.36	0.18	False
ToLower - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	45.19 ns	60.07 ns	1.33	0.19	False
Remove_Int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.98 ns	14.03 ns	1.28	0.20	False
CtorCharCount - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.70 ns	11.06 ns	1.27	0.16	False
Substring_Int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.01 ns	15.24 ns	1.27	0.15	False
Substring_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.49 ns	14.57 ns	1.27	0.14	False
Interpolation_MultipleArgs - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	91.96 ns	115.72 ns	1.26	0.14	False
PadLeft - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.90 ns	13.68 ns	1.26	0.22	False
TrimEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.67 ns	15.80 ns	1.25	0.20	False
Substring_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.97 ns	13.63 ns	1.24	0.12	False
TrimStart - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.02 ns	16.12 ns	1.24	0.21	False
Remove_Int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.56 ns	14.31 ns	1.24	0.16	False
Substring_Int - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.35 ns	15.22 ns	1.23	0.16	False
Trim - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.73 ns	18.05 ns	1.23	0.19	False
CtorCharCount - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.53 ns	12.91 ns	1.23	0.17	False
Substring_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.47 ns	14.02 ns	1.22	0.23	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.84 ns	20.40 ns	1.21	0.15	False
TrimEnd_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.27 ns	17.29 ns	1.21	0.17	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.70 ns	18.77 ns	1.20	0.17	False
Trim - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.64 ns	19.80 ns	1.19	0.12	False
Remove_IntInt - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.47 ns	19.58 ns	1.19	0.11	False
TrimStart_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.62 ns	17.33 ns	1.18	0.23	False
Trim - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.01 ns	18.82 ns	1.18	0.21	False
CtorCharCount - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.30 ns	24.98 ns	1.17	0.51	False
Split_Csv - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.79 ms	3.26 ms	1.17	0.13	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.43 ns	19.15 ns	1.17	0.23	False
Split_Csv - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	603.97 μs	702.48 μs	1.16	0.14	False
Split - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	436.92 ns	502.20 ns	1.15	0.18	False
Split_Csv - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.67 ms	1.91 ms	1.15	0.23	False
Split_Csv - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	98.48 μs	112.90 μs	1.15	0.20	False
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.99 ns	27.28 ns	1.14	0.35	False
Insert - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.43 ns	20.72 ns	1.12	0.22	False
Insert - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.04 ns	22.47 ns	1.12	0.21	False
Split_Csv - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.10 ms	7.92 ms	1.11	0.21	False
Trim_CharArr - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.32 ns	20.37 ns	1.11	0.24	False
Split - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	28.96 ns	31.90 ns	1.10	0.17	False
Replace_Char - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.05 ns	18.70 ns	1.10	0.17	False
Format_OneArg - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	576.64 ns	621.01 ns	1.08	0.21	False
ToUpperInvariant - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	46.60 ns	49.44 ns	1.06	0.21	False

![graph](<https://pvscmdupload.z22.web.core.wind

[performanceautofiler]

ows.net/autofilereport/autofilereports/08_06_2026/refs/heads/main_arm64_azurelinux%203.0/CobaltAzureLinux_Regression/System.Tests.Perf_String_008.png>)




































Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_String*'

Details

System.Tests.Perf_String.Trim_CharArr(s: "Test ", c: [' ', ' '])

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System.Tests.Perf_String.ToUpper(s: "TEST")

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System.Tests.Perf_String.ToLower(s: "TEST")

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System.Tests.Perf_String.ToLower(s: "TeSt")

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System.Tests.Perf_String.ToUpper(s: "test")

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System.Tests.Perf_String.ToUpper(s: "TeSt")

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System.Tests.Perf_String.ToLower(s: "This is a much longer piece of text that might benefit more from vectorization.")

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System.Tests.Perf_String.Remove_Int(s: "dzsdzsDDZSDZSDZSddsz", i: 7)

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System.Tests.Perf_String.CtorCharCount(size: 1)

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System.Tests.Perf_String.Substring_Int(s: "dzsdzsDDZSDZSDZSddsz", i: 10)

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System.Tests.Perf_String.Substring_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 0, i2: 8)

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System.Tests.Perf_String.Interpolation_MultipleArgs(c: '1', s: "Foo")

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System.Tests.Perf_String.PadLeft(n: 18)

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System.Tests.Perf_String.TrimEnd(s: "Test ")

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System.Tests.Perf_String.Substring_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 10, i2: 1)

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System.Tests.Perf_String.TrimStart(s: " Test")

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System.Tests.Perf_String.Remove_Int(s: "dzsdzsDDZSDZSDZSddsz", i: 10)

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System.Tests.Perf_String.Substring_Int(s: "dzsdzsDDZSDZSDZSddsz", i: 7)

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System.Tests.Perf_String.Trim(s: " Test")

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System.Tests.Perf_String.CtorCharCount(size: 10)

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System.Tests.Perf_String.Substring_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

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System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 10, i2: 1)

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System.Tests.Perf_String.TrimEnd_CharArr(s: "Test ", c: [' ', ' '])

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System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 0, i2: 8)

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System.Tests.Perf_String.Trim(s: " Te st ")

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System.Tests.Perf_String.Remove_IntInt(s: "dzsdzsDDZSDZSDZSddsz", i1: 7, i2: 4)

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System.Tests.Perf_String.TrimStart_CharArr(s: " Test", c: [' ', ' '])

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System.Tests.Perf_String.Trim(s: "Test ")

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System.Tests.Perf_String.CtorCharCount(size: 100)

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System.Tests.Perf_String.Split_Csv(testName: "Short Mixed", lines: ["id,state,value,date,fuel_type,fuel_type_code,fips,abbrev", "34_1_2012_1,New Jersey,310548576,01/01/2012 12:00:00 AM,Gasoline/gasohol,1,34,NJ", "35_1_2012_1,New Mexico,74048088,01/01/2012 12:00:00 AM,Gasoline/gasohol,1,35,NM", "36_1_2012_1,New York,492654272,01/01/2012 12:00:00 AM,Gasoline/gasohol,1,36,NY", "37_1_2012_1,North Carolina,328735168,01/01/2012 12:00:00 AM,Gasoline/gasohol,1,37,NC", ...])

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System.Tests.Perf_String.Trim_CharArr(s: " Test", c: [' ', ' '])

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System.Tests.Perf_String.Split_Csv(testName: "Long Mixed", lines: ["Year,TRI Facility ID,Facility Name,Street Address,City,County,ST,ZIP,Latitude,Longitude,Federal Facility,Primary SIC,SIC 2,SIC 3,SIC 4,SIC 5,SIC 6,Primary NAICS,NAICS 2,NAICS 3,NAICS 4,NAICS 5,NAICS 6,Doc_Ctrl_Num,Chemical,CAS #/Compound ID,Clean Air Act Chemical,Classification,Metal,Metal Category,Carcinogen,Form Type,Unit of Measure,5.1 Fugitive Air,5.2 Stack Air,5.3 Water,5.4.1 Underground Class I,5.4.2 Underground Class II-V,5.5.1A RCRA C Landfills,5.5.1B Other Landfills,5.5.2 Land Treatment,5.5.3 Surface Impoundment,5.5.3A RCRA C Surface Impoundment,5.5.3B Other Surface Impoundment,5.5.4 Other Disposal,On-site Release Total,6.1 POTW - Transfers for Release,6.1 POTW - Transfers for Treatment,6.1 POTW - Total Transfers,6.2 M10,6.2 M41,6.2 M62,6.2 M71,6.2 M81,6.2 M82,6.2 M72,6.2 M63,6.2 M66,6.2 M67,6.2 M64,6.2 M65,6.2 M73,6.2 M79,6.2 M90,6.2 M94,6.2 M99,Off-Site Release Total,6.2 M20,6.2 M24,6.2 M26,6.2 M28,6.2 M93,Off-Site Recycled Total,6.2 M56,6.2 M92,Off-Site Recovery Total,6.2 M40,6.2 M50,6.2 M54,6.2 M61,6.2 M69,6.2 M95,Off-Site Treated Total,Total Releases,8.1 Releases,8.1a On-site Contained Releases,8.1b On-site Other Releases,8.1c Off-site Contained Releases,8.1d Off-site Other Releases,8.2 Energy Recovery On-site,8.3 Energy Recovery Off-site,8.4 Recycling On-Site,8.5 Recycling Off-Site,8.6 Treatment On-site,8.7 Treatement Off-site,Production Waste (8.1 thru 8.7),8.8 One-time Release,8.9 Production Ratio,Parent Company Name,Parent Company DB Number", "2012,5804WRBFCQ923CU,HANKINSON RENEWABLE ENERGY LLC,9230 COUNTY RD 1,HANKINSON,RICHLAND,ND,58041,46.073186,-96.886775,NO,,,,,,,325193,,,,,,1312210336463,HYDROGEN SULFIDE,007783064,YES,NON-PBT,NO,0,NO,A,Pounds,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,MURPHY OIL CORP,008053712", "2012,5804WRBFCQ923CU,HANKINSON RENEWABLE ENERGY LLC,9230 COUNTY RD 1,HANKINSON,RICHLAND,ND,58041,46.073186,-96.886775,NO,,,,,,,325193,,,,,,1312210336475,METHANOL,000067561,YES,NON-PBT,NO,0,NO,R,Pounds,446.35,3113.31,0,0,0,0,0,0,0,0,0,0,3559.66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,3559.66,0,0,3559.66,0,0,0,0,0,0,0,0,3559.66,0,1.09,MURPHY OIL CORP,008053712", "2012,5804WRBFCQ923CU,HANKINSON RENEWABLE ENERGY LLC,9230 COUNTY RD 1,HANKINSON,RICHLAND,ND,58041,46.073186,-96.886775,NO,,,,,,,325193,,,,,,1312210336424,ACROLEIN,000107028,YES,NON-PBT,NO,0,NO,R,Pounds,689.46,4150.01,0,0,0,0,0,0,0,0,0,0,4839.47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4839.47,0,0,4839.47,0,0,0,0,0,0,0,0,4839.47,0,1.09,MURPHY OIL CORP,008053712", "2012,5804WRBFCQ923CU,HANKINSON RENEWABLE ENERGY LLC,9230 COUNTY RD 1,HANKINSON,RICHLAND,ND,58041,46.073186,-96.886775,NO,,,,,,,325193,,,,,,1312210336487,N-HEXANE,000110543,YES,NON-PBT,NO,0,NO,R,Pounds,270.23,5919.44,0,0,0,0,0,0,0,0,0,0,6189.67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6189.67,0,0,6189.67,0,0,0,0,0,0,0,0,6189.67,0,1.15,MURPHY OIL CORP,008053712", ...])

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System.Tests.Perf_String.Split(s: "A B C D E F G H I J K L M N O P Q R S T U V W X Y Z", arr: [' '], options: None)

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System.Tests.Perf_String.Split_Csv(testName: "Long Numbers", lines: ["StateAbbr,PlaceName,PlaceFIPS,Population2010,ACCESS2_CrudePrev,ACCESS2_Crude95CI,ACCESS2_AdjPrev,ACCESS2_Adj95CI,ARTHRITIS_CrudePrev,ARTHRITIS_Crude95CI,ARTHRITIS_AdjPrev,ARTHRITIS_Adj95CI,BINGE_CrudePrev,BINGE_Crude95CI,BINGE_AdjPrev,BINGE_Adj95CI,BPHIGH_CrudePrev,BPHIGH_Crude95CI,BPHIGH_AdjPrev,BPHIGH_Adj95CI,BPMED_CrudePrev,BPMED_Crude95CI,BPMED_AdjPrev,BPMED_Adj95CI,CANCER_CrudePrev,CANCER_Crude95CI,CANCER_AdjPrev,CANCER_Adj95CI,CASTHMA_CrudePrev,CASTHMA_Crude95CI,CASTHMA_AdjPrev,CASTHMA_Adj95CI,CHD_CrudePrev,CHD_Crude95CI,CHD_AdjPrev,CHD_Adj95CI,CHECKUP_CrudePrev,CHECKUP_Crude95CI,CHECKUP_AdjPrev,CHECKUP_Adj95CI,CHOLSCREEN_CrudePrev,CHOLSCREEN_Crude95CI,CHOLSCREEN_AdjPrev,CHOLSCREEN_Adj95CI,COLON_SCREEN_CrudePrev,COLON_SCREEN_Crude95CI,COLON_SCREEN_AdjPrev,COLON_SCREEN_Adj95CI,COPD_CrudePrev,COPD_Crude95CI,COPD_AdjPrev,COPD_Adj95CI,COREM_CrudePrev,COREM_Crude95CI,COREM_AdjPrev,COREM_Adj95CI,COREW_CrudePrev,COREW_Crude95CI,COREW_AdjPrev,COREW_Adj95CI,CSMOKING_CrudePrev,CSMOKING_Crude95CI,CSMOKING_AdjPrev,CSMOKING_Adj95CI,DENTAL_CrudePrev,DENTAL_Crude95CI,DENTAL_AdjPrev,DENTAL_Adj95CI,DIABETES_CrudePrev,DIABETES_Crude95CI,DIABETES_AdjPrev,DIABETES_Adj95CI,HIGHCHOL_CrudePrev,HIGHCHOL_Crude95CI,HIGHCHOL_AdjPrev,HIGHCHOL_Adj95CI,KIDNEY_CrudePrev,KIDNEY_Crude95CI,KIDNEY_AdjPrev,KIDNEY_Adj95CI,LPA_CrudePrev,LPA_Crude95CI,LPA_AdjPrev,LPA_Adj95CI,MAMMOUSE_CrudePrev,MAMMOUSE_Crude95CI,MAMMOUSE_AdjPrev,MAMMOUSE_Adj95CI,MHLTH_CrudePrev,MHLTH_Crude95CI,MHLTH_AdjPrev,MHLTH_Adj95CI,OBESITY_CrudePrev,OBESITY_Crude95CI,OBESITY_AdjPrev,OBESITY_Adj95CI,PAPTEST_CrudePrev,PAPTEST_Crude95CI,PAPTEST_AdjPrev,PAPTEST_Adj95CI,PHLTH_CrudePrev,PHLTH_Crude95CI,PHLTH_AdjPrev,PHLTH_Adj95CI,SLEEP_CrudePrev,SLEEP_Crude95CI,SLEEP_AdjPrev,SLEEP_Adj95CI,STROKE_CrudePrev,STROKE_Crude95CI,STROKE_AdjPrev,STROKE_Adj95CI,TEETHLOST_CrudePrev,TEETHLOST_Crude95CI,TEETHLOST_AdjPrev,TEETHLOST_Adj95CI,Geolocation", "AL,Birmingham,0107000,212237,20.3,"(19.9, 20.6)",20.6,"(20.2, 21.0)",29.8,"(29.6, 29.9)",29.8,"(29.6, 29.9)",11.6,"(11.5, 11.7)",11.5,"(11.4, 11.5)",44.9,"(44.7, 45.1)",45.2,"(45.0, 45.4)",79.0,"(78.9, 79.1)",67.6,"(67.6, 67.6)",5.8,"( 5.8, 5.8)",5.8,"( 5.8, 5.8)",12.2,"(12.1, 12.3)",12.1,"(12.0, 12.2)",7.3,"( 7.2, 7.4)",7.3,"( 7.2, 7.3)",74.9,"(74.8, 75.0)",74.9,"(74.8, 75.0)",80.2,"(80.0, 80.4)",80.9,"(80.7, 81.1)",64.1,"(63.6, 64.5)",64.7,"(64.2, 65.1)",9.3,"( 9.1, 9.4)",9.2,"( 9.1, 9.4)",32.9,"(32.2, 33.7)",33.0,"(32.2, 33.8)",26.0,"(25.4, 26.6)",26.7,"(26.1, 27.3)",21.8,"(21.4, 22.1)",22.2,"(21.8, 22.5)",52.6,"(52.1, 53.1)",52.5,"(52.0, 53.0)",16.3,"(16.1, 16.4)",16.2,"(16.1, 16.3)",34.6,"(34.5, 34.7)",31.9,"(31.9, 31.9)",4.0,"( 4.0, 4.1)",4.0,"( 4.0, 4.1)",37.8,"(37.4, 38.2)",38.1,"(37.7, 38.5)",83.6,"(83.2, 83.9)",77.7,"(77.3, 78.1)",17.0,"(16.7, 17.2)",16.8,"(16.6, 17.0)",41.2,"(41.0, 41.4)",42.0,"(41.9, 42.2)",85.0,"(84.8, 85.3)",78.4,"(78.1, 78.8)",17.1,"(16.9, 17.3)",17.1,"(16.9, 17.3)",41.5,"(41.3, 41.6)",41.8,"(41.7, 42.0)",5.1,"( 5.0, 5.2)",5.1,"( 5.0, 5.1)",22.8,"(21.8, 23.9)",22.9,"(21.8, 23.9)","(33.52756637730, -86.7988174678)"", "AL,Hoover,0135896,81619,11.5,"(11.0, 12.0)",11.8,"(11.3, 12.3)",25.3,"(25.0, 25.6)",24.4,"(24.1, 24.6)",15.4,"(15.3, 15.6)",15.7,"(15.5, 15.8)",32.4,"(32.1, 32.7)",31.4,"(31.2, 31.7)",75.0,"(74.7, 75.2)",60.1,"(60.0, 60.3)",6.7,"( 6.6, 6.8)",6.5,"( 6.5, 6.6)",9.2,"( 9.1, 9.3)",9.2,"( 9.1, 9.3)",4.9,"( 4.8, 5.0)",4.7,"( 4.6, 4.9)",71.0,"(70.8, 71.2)",70.7,"(70.5, 70.8)",83.8,"(83.5, 84.1)",83.1,"(82.8, 83.4)",74.0,"(73.4, 74.7)",74.3,"(73.6, 75.0)",5.6,"( 5.3, 5.8)",5.4,"( 5.2, 5.6)",46.3,"(44.7, 48.0)",46.8,"(45.0, 48.5)",38.6,"(37.1, 40.0)",39.3,"(37.9, 40.7)",13.4,"(12.8, 13.9)",13.2,"(12.7, 13.8)",74.5,"(73.8, 75.2)",74.5,"(73.8, 75.1)",8.4,"( 8.2, 8.6)",8.1,"( 7.9, 8.2)",33.2,"(33.0, 33.4)",30.1,"(30.0, 30.1)",2.4,"( 2.4, 2.5)",2.4,"( 2.3, 2.4)",24.2,"(23.6, 24.8)",24.0,"(23.4, 24.5)",81.0,"(80.2, 81.7)",78.9,"(78.1, 79.6)",11.5,"(11.2, 11.8)",11.5,"(11.2, 11.8)",28.8,"(28.4, 29.1)",28.4,"(28.1, 28.7)",85.5,"(85.0, 86.0)",83.5,"(83.0, 84.0)",10.6,"(10.3, 10.9)",10.2,"(10.0, 10.5)",32.9,"(32.6, 33.3)",32.8,"(32.5, 33.2)",2.4,"( 2.3, 2.4)",2.3,"( 2.2, 2.4)",8.3,"( 7.3, 9.3)",8.3,"( 7.4, 9.4)","(33.37676027290, -86.8051937568)"", "AL,Huntsville,0137000,180105,16.4,"(16.0, 16.9)",16.6,"(16.1, 17.0)",28.9,"(28.7, 29.1)",28.3,"(28.1, 28.5)",13.3,"(13.2, 13.3)",13.4,"(13.3, 13.5)",37.4,"(37.2, 37.6)",36.9,"(36.7, 37.1)",75.2,"(75.0, 75.3)",62.7,"(62.6, 62.7)",6.7,"( 6.7, 6.8)",6.5,"( 6.4, 6.5)",10.9,"(10.8, 11.0)",10.8,"(10.7, 10.9)",6.7,"( 6.6, 6.8)",6.4,"( 6.3, 6.5)",71.0,"(70.9, 71.2)",70.5,"(70.4, 70.6)",80.1,"(79.9, 80.4)",80.5,"(80.2, 80.7)",71.7,"(71.3, 72.2)",71.6,"(71.1, 72.1)",8.0,"( 7.9, 8.2)",7.8,"( 7.7, 8.0)",46.4,"(45.2, 47.5)",46.0,"(44.9, 47.1)",39.5,"(38.6, 40.4)",39.8,"(38.9, 40.7)",18.4,"(18.0, 18.9)",19.0,"(18.5, 19.4)",61.2,"(60.6, 61.8)",61.1,"(60.6, 61.7)",11.8,"(11.7, 11.9)",11.4,"(11.3, 11.6)",33.5,"(33.3, 33.6)",30.3,"(30.3, 30.3)",3.2,"( 3.2, 3.2)",3.1,"( 3.1, 3.2)",30.6,"(30.1, 31.0)",30.7,"(30.2, 31.1)",80.2,"(79.8, 80.7)",76.5,"(76.0, 77.0)",15.1,"(14.9, 15.3)",15.1,"(14.9, 15.3)",35.5,"(35.3, 35.8)",36.2,"(35.9, 36.4)",82.9,"(82.5, 83.2)",78.2,"(77.8, 78.6)",14.5,"(14.2, 14.7)",14.4,"(14.1, 14.6)",37.8,"(37.6, 38.1)",38.3,"(38.1, 38.6)",3.6,"( 3.5, 3.6)",3.5,"( 3.4, 3.5)",14.2,"(13.4, 15.0)",14.2,"(13.4, 15.0)","(34.69896926710, -86.6387042882)"", "AL,Mobile,0150000,195111,18.1,"(17.8, 18.5)",18.5,"(18.1, 18.9)",30.2,"(30.0, 30.4)",29.0,"(28.9, 29.2)",13.6,"(13.5, 13.7)",13.9,"(13.8, 14.0)",42.2,"(42.0, 42.3)",41.2,"(41.0, 41.3)",78.7,"(78.6, 78.8)",66.2,"(66.2, 66.2)",6.5,"( 6.5, 6.5)",6.1,"( 6.1, 6.2)",11.5,"(11.4, 11.6)",11.5,"(11.4, 11.6)",7.6,"( 7.5, 7.7)",7.1,"( 7.0, 7.2)",74.6,"(74.5, 74.7)",74.0,"(73.9, 74.1)",80.3,"(80.1, 80.5)",80.2,"(80.0, 80.4)",65.0,"(64.6, 65.4)",65.1,"(64.6, 65.5)",8.8,"( 8.7, 9.0)",8.5,"( 8.3, 8.6)",31.8,"(31.0, 32.6)",31.6,"(30.8, 32.4)",30.7,"(30.0, 31.4)",31.5,"(30.8, 32.1)",20.5,"(20.2, 20.8)",21.2,"(20.8, 21.5)",58.7,"(58.2, 59.1)",58.4,"(57.9, 58.9)",14.2,"(14.1, 14.3)",13.5,"(13.4, 13.6)",35.2,"(35.0, 35.3)",31.5,"(31.4, 31.5)",3.7,"( 3.7, 3.7)",3.5,"( 3.5, 3.6)",35.8,"(35.4, 36.1)",35.7,"(35.4, 36.1)",82.0,"(81.7, 82.3)",77.1,"(76.7, 77.5)",16.2,"(16.1, 16.4)",16.3,"(16.2, 16.5)",37.5,"(37.4, 37.7)",38.2,"(38.0, 38.3)",85.5,"(85.2, 85.7)",80.1,"(79.8, 80.5)",15.9,"(15.7, 16.1)",15.6,"(15.4, 15.8)",39.1,"(39.0, 39.3)",39.7,"(39.5, 39.9)",4.4,"( 4.3, 4.4)",4.2,"( 4.1, 4.2)",19.7,"(18.8, 20.5)",19.6,"(18.8, 20.5)","(30.67762486480, -88.1184482714)"", ...])

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System.Tests.Perf_String.Split_Csv(testName: "Short Dates", lines: ["Year,Week,Start date,End date", "2006,1,1/1/2006,1/7/2006", "2006,2,1/8/2006,1/14/2006", "2006,3,1/15/2006,1/21/2006", "2006,4,1/22/2006,1/28/2006", ...])

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System.Tests.Perf_String.GetChars(size: 100)

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System.Tests.Perf_String.Insert(s1: "Test", i: 2, s2: " Test")

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System.Tests.Perf_String.Insert(s1: "dzsdzsDDZSDZSDZSddsz", i: 7, s2: "Test")

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System.Tests.Perf_String.Split_Csv(testName: "Short Text", lines: ["Year,quarter,Bene_Geo_Desc,Bene_Mdcd_Mdcr_Enrl_Stus,Bene_Race_Desc,Bene_Sex_Desc,Bene_Mdcr_Entlmt_Stus,Bene_Age_Desc,Bene_RUCA_Desc,Total_Bene_TH_Elig,Total_PartB_Enrl,Total_Bene_Telehealth,Pct_Telehealth", "2020,Overall,National,All,All,All,All,All,All,30946785,32244893.5,14826919,0.4791", "2020,Overall,National,All,All,All,All,All,Rural,7179538,7490300.6667,2858284,0.3981", "2020,Overall,National,All,All,All,All,All,Urban,23696871,24629142.917,11944230,0.504", "2020,Overall,National,All,All,All,All,All,Unknown,,,,", ...])

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System.Tests.Perf_String.Trim_CharArr(s: " Te st ", c: [' ', ' '])

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System.Tests.Perf_String.Split(s: "ABCDEFGHIJKLMNOPQRSTUVWXYZ", arr: [' '], options: None)

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System.Tests.Perf_String.Replace_Char(text: "Hello", oldChar: 'l', newChar: '!')

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System.Tests.Perf_String.Format_OneArg(s: "Testing {0}, {0:C}, {0:D5}, {0:E} - {0:F4}{0:G}{0:N} {0:X} !!", o: 8)

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System.Tests.Perf_String.ToUpperInvariant(s: "This is a much longer piece of text that might benefit more from vectorization.")

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.73 ns	26.93 ns	2.12	0.19	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.09 ns	20.47 ns	2.03	0.24	False
ParseHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.79 ns	16.51 ns	1.88	0.16	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.81 ns	17.11 ns	1.75	0.18	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.57 ns	16.58 ns	1.73	0.20	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.02 ns	16.96 ns	1.69	0.18	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.04 ns	16.93 ns	1.69	0.17	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.94 ns	34.05 ns	1.55	0.16	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.61 ns	20.21 ns	1.48	0.22	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.58 ns	20.15 ns	1.48	0.18	False
TryFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.51 ns	23.64 ns	1.43	0.21	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.40 ns	18.65 ns	1.39	0.15	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.15 ns	26.34 ns	1.37	0.22	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.56 ns	26.53 ns	1.36	0.22	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.56 ns	26.51 ns	1.36	0.16	False
ParseHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.26 ns	29.78 ns	1.34	0.20	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.58 ns	27.09 ns	1.32	0.21	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.54 ns	26.97 ns	1.31	0.21	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.57 ns	26.57 ns	1.29	0.25	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.30 ns	15.46 ns	1.26	0.15	False
ParseHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.79 ns	48.39 ns	1.22	0.21	False
ParseHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	39.80 ns	48.15 ns	1.21	0.14	False
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.41 ns	18.52 ns	1.20	0.24	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.77 ns	19.57 ns	1.17	0.22	False
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.58 ns	21.52 ns	1.16	0.22	False
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.57 ns	25.78 ns	1.09	0.17	False
ToStringHex - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.50 ns	26.65 ns	1.09	0.21	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int32*'

Details

System.Tests.Perf_Int32.Parse(value: "-2147483648")

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System.Tests.Perf_Int32.TryParse(value: "12345")

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System.Tests.Perf_Int32.ParseHex(value: "4")

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System.Tests.Perf_Int32.ParseSpan(value: "4")

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System.Tests.Perf_Int32.Parse(value: "4")

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System.Tests.Perf_Int32.TryParse(value: "4")

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System.Tests.Perf_Int32.TryParseSpan(value: "4")

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System.Tests.Perf_Int32.ToString(value: -2147483648)

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System.Tests.Perf_Int32.ParseSpan(value: "12345")

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System.Tests.Perf_Int32.TryParseSpan(value: "12345")

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System.Tests.Perf_Int32.TryFormat(value: -2147483648)

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System.Tests.Perf_Int32.Parse(value: "12345")

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System.Tests.Perf_Int32.Parse(value: "2147483647")

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System.Tests.Perf_Int32.TryParseSpan(value: "2147483647")

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System.Tests.Perf_Int32.TryParse(value: "2147483647")

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System.Tests.Perf_Int32.ParseHex(value: "3039")

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System.Tests.Perf_Int32.TryParse(value: "-2147483648")

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System.Tests.Perf_Int32.ParseSpan(value: "-2147483648")

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System.Tests.Perf_Int32.TryParseSpan(value: "-2147483648")

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System.Tests.Perf_Int32.ToString(value: 12345)

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System.Tests.Perf_Int32.ParseHex(value: "7FFFFFFF")

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System.Tests.Perf_Int32.ParseHex(value: "80000000")

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System.Tests.Perf_Int32.ToStringHex(value: 4)

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System.Tests.Perf_Int32.ToString(value: 2147483647)

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System.Tests.Perf_Int32.ToStringHex(value: 12345)

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System.Tests.Perf_Int32.ToStringHex(value: -2147483648)

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System.Tests.Perf_Int32.ToStringHex(value: 2147483647)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Enum

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ToString_NonFlags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.35 ns	20.75 ns	1.68	0.17	False
ToString_NonFlags_Small - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	29.50 ns	46.55 ns	1.58	0.14	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.59 ns	33.55 ns	1.26	0.21	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.69 ns	17.27 ns	1.26	0.19	False
ToString_Format_Flags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.04 ns	28.91 ns	1.25	0.22	False
ToString_Format_Flags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	25.22 ns	31.64 ns	1.25	0.15	False
ToString_Format_Flags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.81 ns	29.85 ns	1.25	0.22	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.49 ns	30.70 ns	1.25	0.24	False
ToString_NonFlags_Small - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.48 ns	20.63 ns	1.25	0.22	False
ToString_Format_Flags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.15 ns	28.98 ns	1.25	0.19	False
ToString_NonFlags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.16 ns	21.33 ns	1.24	0.19	False
ToString_NonFlags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.67 ns	20.66 ns	1.24	0.18	False
ToString_NonFlags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.66 ns	20.60 ns	1.24	0.13	False
ToString_Format_Flags_Large - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.27 ns	32.23 ns	1.23	0.19	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.26 ns	31.93 ns	1.22	0.20	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.74 ns	22.47 ns	1.20	0.25	False
InterpolateIntoString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	131.69 ns	153.78 ns	1.17	0.22	False
ToString_Flags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.09 ns	36.19 ns	1.16	0.17	False
ToString_Flags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	45.94 ns	52.66 ns	1.15	0.17	False
ToString_Format_NonFlags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.50 ns	23.46 ns	1.14	0.22	False
ToString_Flags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	69.66 ns	77.92 ns	1.12	0.19	False
GetValuesAsUnderlyingType_Generic - Duration of single invocation ADX - Test Multi Config Graph	22.43 ns	25.01 ns	1.11	0.26	False
GetNames_Generic - Duration of single invocation ADX - Test Multi Config Graph	25.29 ns	27.64 ns	1.09	0.21	False
GetName_NonGeneric_Flags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	36.69 ns	40.08 ns	1.09	0.19	False
Parse_Flags - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	33.05 ns	35.33 ns	1.07	0.18	False
ToString_NonFlags_Small - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.47 ns	17.52 ns	1.06	0.18	False
GetValuesAsUnderlyingType_NonGeneric - Duration of single invocation ADX - Test Multi Config Graph	22.51 ns	23.72 ns	1.05	0.26	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Enum*'

Details

System.Tests.Perf_Enum.ToString_NonFlags_Large(value: Format)

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System.Tests.Perf_Enum.ToString_NonFlags_Small(value: -1)

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: Wednesday, format: "x")

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: Saturday, format: "D")

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System.Tests.Perf_Enum.ToString_Format_Flags_Large(value: All, format: "f")

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System.Tests.Perf_Enum.ToString_Format_Flags_Large(value: All, format: "")

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System.Tests.Perf_Enum.ToString_Format_Flags_Large(value: All, format: "d")

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: Thursday, format: "f")

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System.Tests.Perf_Enum.ToString_NonFlags_Small(value: TopDirectoryOnly)

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System.Tests.Perf_Enum.ToString_Format_Flags_Large(value: All, format: "g")

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System.Tests.Perf_Enum.ToString_NonFlags_Large(value: 42)

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System.Tests.Perf_Enum.ToString_NonFlags_Large(value: Control)

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System.Tests.Perf_Enum.ToString_NonFlags_Large(value: UppercaseLetter)

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System.Tests.Perf_Enum.ToString_Format_Flags_Large(value: All, format: "x")

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: Friday, format: "X")

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: 7, format: "G")

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System.Tests.Perf_Enum.InterpolateIntoString(value: Red)

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System.Tests.Perf_Enum.ToString_Flags(value: 36)

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System.Tests.Perf_Enum.ToString_Flags(value: Yellow, Blue)

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System.Tests.Perf_Enum.ToString_Format_NonFlags(value: Sunday, format: "")

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System.Tests.Perf_Enum.ToString_Flags(value: Red, Orange, Yellow, Green, Blue)

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System.Tests.Perf_Enum.GetValuesAsUnderlyingType_Generic

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System.Tests.Perf_Enum.GetNames_Generic

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System.Tests.Perf_Enum.GetName_NonGeneric_Flags

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System.Tests.Perf_Enum.Parse_Flags(text: "Red")

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System.Tests.Perf_Enum.ToString_NonFlags_Small(value: AllDirectories)

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System.Tests.Perf_Enum.GetValuesAsUnderlyingType_NonGeneric

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Linq.Tests.Perf_Enumerable

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.48 ns	25.36 ns	1.45	0.19	False
Prepend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.61 μs	3.79 μs	1.45	0.30	False
WhereLast_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.14 ns	27.76 ns	1.38	0.20	False
AppendPrepend - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.12 μs	4.22 μs	1.35	0.23	False
Append - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.12 μs	4.17 μs	1.34	0.23	False
CastToBaseClass - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.28 μs	1.55 μs	1.22	0.16	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	118.74 ns	137.61 ns	1.16	0.14	False
Zip - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	805.78 ns	911.29 ns	1.13	0.12	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	125.44 ns	140.77 ns	1.12	0.20	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	70.46 ns	78.62 ns	1.12	0.12	False
WhereFirst_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	66.03 ns	73.50 ns	1.11	0.23	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	116.54 ns	129.23 ns	1.11	0.21	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	117.60 ns	129.18 ns	1.10	0.19	False
WhereAny_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	68.07 ns	74.71 ns	1.10	0.08	False
SelectToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	134.16 ns	146.63 ns	1.09	0.20	False
SelectToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	142.63 ns	155.03 ns	1.09	0.19	False
WhereSingle_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	295.17 ns	317.56 ns	1.08	0.15	False
ToArray - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	45.00 ns	48.26 ns	1.07	0.35	False
WhereSingleOrDefault_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	295.34 ns	316.26 ns	1.07	0.20	False
ToList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	56.44 ns	59.98 ns	1.06	0.45	False
WhereSingleOrDefault_LastElementMatches - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	328.29 ns	346.14 ns	1.05	0.17	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Linq.Tests.Perf_Enumerable*'

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System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.Prepend(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.WhereLast_LastElementMatches(input: List)

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System.Linq.Tests.Perf_Enumerable.AppendPrepend(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.Append(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.CastToBaseClass(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.SelectToList(input: Array)

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System.Linq.Tests.Perf_Enumerable.Zip(input: IEnumerable)

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System.Linq.Tests.Perf_Enumerable.SelectToList(input: List)

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System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: List)

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System.Linq.Tests.Perf_Enumerable.WhereFirst_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Array)

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System.Linq.Tests.Perf_Enumerable.SelectToArray(input: List)

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System.Linq.Tests.Perf_Enumerable.WhereAny_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.SelectToArray(input: Range)

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System.Linq.Tests.Perf_Enumerable.SelectToList(input: Range)

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System.Linq.Tests.Perf_Enumerable.WhereSingle_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.ToArray(input: ICollection)

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System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: Array)

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System.Linq.Tests.Perf_Enumerable.ToList(input: ICollection)

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System.Linq.Tests.Perf_Enumerable.WhereSingleOrDefault_LastElementMatches(input: IEnumerable)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.StringReaderReadToEndTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.34 ns	12.80 ns	2.02	0.23	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.28 ns	28.58 ns	1.76	0.28	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.27 ns	12.99 ns	1.57	0.21	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.66 ns	29.84 ns	1.32	0.30	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.19 ns	12.94 ns	1.27	0.27	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.32 ns	29.38 ns	1.26	0.31	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.88 ns	30.00 ns	1.26	0.22	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.28 ns	12.89 ns	1.25	0.27	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.91 ns	29.87 ns	1.25	0.31	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.05 ns	29.70 ns	1.24	0.24	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.12 ns	29.66 ns	1.23	0.27	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.53 ns	12.88 ns	1.22	0.25	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.62 ns	12.87 ns	1.21	0.23	False
ReadToEnd - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.86 ns	12.85 ns	1.18	0.23	False
ReadToEndAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.27 ns	28.70 ns	1.18	0.30	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StringReaderReadToEndTests*'

Details

System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 1, 1])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 9, 32])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 129, 1024])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [1025, 2048])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 0, 1024])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 33, 128])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 1, 8])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 33, 128])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 1, 1])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 0, 1024])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 0, 0])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 9, 32])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [1025, 2048])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEnd(LineLengthRange: [ 0, 0])

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System.IO.Tests.StringReaderReadToEndTests.ReadToEndAsync(LineLengthRange: [ 129, 1024])

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int64

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.61 ns	21.00 ns	2.44	0.21	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.21 ns	20.60 ns	2.24	0.17	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.80 ns	21.23 ns	1.54	0.22	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.31 ns	20.98 ns	1.47	0.22	False
TryFormat - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.31 ns	39.02 ns	1.29	0.19	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.91 ns	38.37 ns	1.24	0.23	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.13 ns	38.64 ns	1.24	0.23	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.21 ns	38.65 ns	1.24	0.20	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.22 ns	38.62 ns	1.24	0.19	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.73 ns	37.77 ns	1.23	0.12	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	30.71 ns	37.74 ns	1.23	0.20	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	32.06 ns	34.72 ns	1.08	0.20	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int64*'

Details

System.Tests.Perf_Int64.Parse(value: "12345")

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System.Tests.Perf_Int64.TryParse(value: "12345")

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System.Tests.Perf_Int64.ParseSpan(value: "12345")

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System.Tests.Perf_Int64.TryParseSpan(value: "12345")

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System.Tests.Perf_Int64.TryFormat(value: -9223372036854775808)

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System.Tests.Perf_Int64.Parse(value: "-9223372036854775808")

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System.Tests.Perf_Int64.ParseSpan(value: "-9223372036854775808")

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System.Tests.Perf_Int64.TryParse(value: "-9223372036854775808")

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System.Tests.Perf_Int64.TryParseSpan(value: "-9223372036854775808")

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System.Tests.Perf_Int64.TryParseSpan(value: "9223372036854775807")

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System.Tests.Perf_Int64.Parse(value: "9223372036854775807")

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System.Tests.Perf_Int64.ToString(value: 9223372036854775807)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt64

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.11 ns	16.47 ns	1.81	0.23	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.54 ns	16.60 ns	1.74	0.21	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.32 ns	16.12 ns	1.73	0.24	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.84 ns	20.90 ns	1.51	0.16	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.09 ns	20.83 ns	1.48	0.14	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.86 ns	20.46 ns	1.48	0.21	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.89 ns	17.15 ns	1.23	0.19	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.16 ns	38.38 ns	1.23	0.14	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.22 ns	38.23 ns	1.22	0.13	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	31.10 ns	37.91 ns	1.22	0.26	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	32.84 ns	35.07 ns	1.07	0.23	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt64*'

Details

System.Tests.Perf_UInt64.Parse(value: "0")

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System.Tests.Perf_UInt64.TryParse(value: "0")

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System.Tests.Perf_UInt64.ParseSpan(value: "0")

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System.Tests.Perf_UInt64.Parse(value: "12345")

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System.Tests.Perf_UInt64.TryParse(value: "12345")

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System.Tests.Perf_UInt64.ParseSpan(value: "12345")

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System.Tests.Perf_UInt64.ToString(value: 12345)

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System.Tests.Perf_UInt64.TryParse(value: "18446744073709551615")

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System.Tests.Perf_UInt64.ParseSpan(value: "18446744073709551615")

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System.Tests.Perf_UInt64.Parse(value: "18446744073709551615")

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System.Tests.Perf_UInt64.ToString(value: 18446744073709551615)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CreateAddAndClear<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.43 μs	5.80 μs	1.31	0.20	False
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.96 μs	12.13 μs	1.22	0.26	False
ConcurrentBag - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.60 μs	24.54 μs	1.19	0.32	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	362.07 μs	428.82 μs	1.18	0.16	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	415.27 μs	487.43 μs	1.17	0.19	False
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	247.34 μs	289.06 μs	1.17	0.21	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	397.88 μs	462.70 μs	1.16	0.19	False
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	262.52 μs	298.77 μs	1.14	0.21	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.47 μs	11.59 μs	1.11	0.16	False
ImmutableHashSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	207.00 μs	223.21 μs	1.08	0.22	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear<String>*'

Details

System.Collections.CreateAddAndClear<String>.ImmutableStack(Size: 512)

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System.Collections.CreateAddAndClear<String>.ImmutableQueue(Size: 512)

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System.Collections.CreateAddAndClear<String>.ConcurrentBag(Size: 512)

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System.Collections.CreateAddAndClear<String>.SortedList(Size: 512)

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System.Collections.CreateAddAndClear<String>.ImmutableSortedDictionary(Size: 512)

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System.Collections.CreateAddAndClear<String>.SortedDictionary(Size: 512)

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System.Collections.CreateAddAndClear<String>.ImmutableSortedSet(Size: 512)

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System.Collections.CreateAddAndClear<String>.SortedSet(Size: 512)

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System.Collections.CreateAddAndClear<String>.LinkedList(Size: 512)

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System.Collections.CreateAddAndClear<String>.ImmutableHashSet(Size: 512)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Tests.Perf_StringBuilder

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Insert_Strings - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	322.77 ns	558.41 ns	1.73	0.18	False
Append_Primitives - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	658.11 ns	1130.97 ns	1.72	0.18	False
ctor_capacity - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.13 μs	22.51 μs	1.49	0.36	False
ctor_string - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	32.55 ns	40.06 ns	1.23	0.38	False
ctor_capacity - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	25.20 ns	30.89 ns	1.23	0.56	False
Append_NonEmptySpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	473.28 ns	538.25 ns	1.14	0.52	False
Append_Strings - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	212.57 ns	240.54 ns	1.13	0.39	False
ToString_MultipleSegments - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.40 ns	42.19 ns	1.13	0.26	False
AppendLine_Strings - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	233.70 ns	259.06 ns	1.11	0.36	False
Append_ValueTypes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.24 μs	2.40 μs	1.07	0.21	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_StringBuilder*'

Details

System.Text.Tests.Perf_StringBuilder.Insert_Strings

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System.Text.Tests.Perf_StringBuilder.Append_Primitives

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System.Text.Tests.Perf_StringBuilder.ctor_capacity(length: 100000)

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System.Text.Tests.Perf_StringBuilder.ctor_string(length: 100)

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System.Text.Tests.Perf_StringBuilder.ctor_capacity(length: 100)

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System.Text.Tests.Perf_StringBuilder.Append_NonEmptySpan

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System.Text.Tests.Perf_StringBuilder.Append_Strings(repeat: 1)

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System.Text.Tests.Perf_StringBuilder.ToString_MultipleSegments(length: 100)

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System.Text.Tests.Perf_StringBuilder.AppendLine_Strings

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System.Text.Tests.Perf_StringBuilder.Append_ValueTypes

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorFromCollection<String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.56 μs	5.80 μs	1.27	0.16	False
ConcurrentStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.45 μs	6.90 μs	1.27	0.17	False
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.31 μs	6.59 μs	1.24	0.22	False
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	320.04 μs	389.35 μs	1.22	0.15	False
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	255.34 μs	296.31 μs	1.16	0.22	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	343.35 μs	396.51 μs	1.15	0.21	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	283.20 μs	325.96 μs	1.15	0.23	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	375.38 μs	431.27 μs	1.15	0.30	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.72 μs	10.89 μs	1.12	0.21	False
SortedDictionaryDeepCopy - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.27 μs	14.59 μs	1.10	0.19	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollection<String>*'

Details

System.Collections.CtorFromCollection<String>.ImmutableQueue(Size: 512)

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System.Collections.CtorFromCollection<String>.ConcurrentStack(Size: 512)

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System.Collections.CtorFromCollection<String>.ImmutableStack(Size: 512)

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System.Collections.CtorFromCollection<String>.SortedSet(Size: 512)

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System.Collections.CtorFromCollection<String>.SortedDictionary(Size: 512)

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System.Collections.CtorFromCollection<String>.ImmutableSortedSet(Size: 512)

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System.Collections.CtorFromCollection<String>.ImmutableSortedDictionary(Size: 512)

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System.Collections.CtorFromCollection<String>.SortedList(Size: 512)

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System.Collections.CtorFromCollection<String>.LinkedList(Size: 512)

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System.Collections.CtorFromCollection<String>.SortedDictionaryDeepCopy(Size: 512)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_BitArray

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
BitArrayBitArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.13 ns	30.23 ns	2.14	0.25	False
BitArraySetLengthGrow - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.66 ns	41.83 ns	1.77	0.19	False
BitArrayLengthCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.30 ns	19.28 ns	1.35	0.20	False
BitArrayByteArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.51 ns	26.05 ns	1.34	0.24	False
BitArrayBitArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.30 ns	25.68 ns	1.33	0.24	False
BitArrayIntArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.21 ns	25.49 ns	1.33	0.24	False
BitArrayBoolArrayCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.62 ns	26.85 ns	1.30	0.21	False
BitArrayLengthValueCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.73 ns	26.21 ns	1.26	0.21	False
BitArraySetLengthShrink - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.68 ns	29.87 ns	1.26	0.21	False
BitArrayLengthCtor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.83 ns	22.62 ns	1.20	0.35	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_BitArray*'

Details

System.Collections.Tests.Perf_BitArray.BitArrayBitArrayCtor(Size: 512)

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System.Collections.Tests.Perf_BitArray.BitArraySetLengthGrow(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayByteArrayCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayBitArrayCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayIntArrayCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayBoolArrayCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayLengthValueCtor(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArraySetLengthShrink(Size: 4)

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System.Collections.Tests.Perf_BitArray.BitArrayLengthCtor(Size: 512)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Tests.Perf_Encoding

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
GetEncoder - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.09 ns	16.99 ns	1.41	0.28	False
GetString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.32 ns	27.43 ns	1.35	0.25	False
GetEncoder - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.16 ns	16.12 ns	1.33	0.22	False
GetEncoder - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.62 ns	16.29 ns	1.29	0.23	False
GetEncoder - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.65 ns	16.13 ns	1.28	0.25	False
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	29.86 ns	37.08 ns	1.24	0.42	False
GetChars - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	20.06 ns	24.05 ns	1.20	0.19	False
GetBytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.41 ns	26.47 ns	1.13	0.14	False
GetBytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	26.16 ns	29.05 ns	1.11	0.18	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Tests.Perf_Encoding*'

Details

System.Text.Tests.Perf_Encoding.GetEncoder(size: 16, encName: "utf-8")

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System.Text.Tests.Perf_Encoding.GetString(size: 16, encName: "ascii")

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System.Text.Tests.Perf_Encoding.GetEncoder(size: 512, encName: "ascii")

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System.Text.Tests.Perf_Encoding.GetEncoder(size: 512, encName: "utf-8")

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System.Text.Tests.Perf_Encoding.GetEncoder(size: 16, encName: "ascii")

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System.Text.Tests.Perf_Encoding.GetChars(size: 16, encName: "utf-8")

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System.Text.Tests.Perf_Encoding.GetChars(size: 16, encName: "ascii")

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System.Text.Tests.Perf_Encoding.GetBytes(size: 16, encName: "ascii")

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System.Text.Tests.Perf_Encoding.GetBytes(size: 16, encName: "utf-8")

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorDefaultSize<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
List - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.76 ns	8.57 ns	1.49	0.22	False
Stack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.24 ns	8.65 ns	1.38	0.21	False
Queue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.59 ns	9.09 ns	1.38	0.26	False
SortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	23.11 ns	30.52 ns	1.32	0.23	False
Dictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.29 ns	10.75 ns	1.30	0.41	False
OrderedDictionary - Duration of single invocation ADX - Test Multi Config Graph	8.30 ns	10.40 ns	1.25	0.35	False
SortedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.91 ns	13.40 ns	1.23	0.31	False
HashSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.82 ns	9.17 ns	1.17	0.32	False
ConcurrentQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	102.16 ns	114.65 ns	1.12	0.37	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorDefaultSize<Int32>*'

Details

System.Collections.CtorDefaultSize<Int32>.List

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System.Collections.CtorDefaultSize<Int32>.Stack

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System.Collections.CtorDefaultSize<Int32>.Queue

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System.Collections.CtorDefaultSize<Int32>.SortedDictionary

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System.Collections.CtorDefaultSize<Int32>.Dictionary

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System.Collections.CtorDefaultSize<Int32>.OrderedDictionary

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System.Collections.CtorDefaultSize<Int32>.SortedList

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System.Collections.CtorDefaultSize<Int32>.HashSet

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System.Collections.CtorDefaultSize<Int32>.ConcurrentQueue

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.IO.Tests.StreamReaderReadLineTests

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	639.82 μs	1086.65 μs	1.70	0.25	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	220.83 μs	300.83 μs	1.36	0.19	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	493.64 μs	649.29 μs	1.32	0.24	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.16 μs	29.56 μs	1.22	0.18	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.89 μs	13.88 μs	1.17	0.21	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	62.22 μs	69.62 μs	1.12	0.19	False
ReadLine - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	201.50 μs	221.61 μs	1.10	0.19	False
ReadLineAsync - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.04 μs	12.80 μs	1.06	0.23	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.IO.Tests.StreamReaderReadLineTests*'

Details

System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 0, 0])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 1, 8])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 1, 1])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 33, 128])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 0, 1024])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 9, 32])

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System.IO.Tests.StreamReaderReadLineTests.ReadLine(LineLengthRange: [ 1, 1])

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System.IO.Tests.StreamReaderReadLineTests.ReadLineAsync(LineLengthRange: [ 129, 1024])

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CtorFromCollection<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.61 μs	4.74 μs	1.31	0.22	False
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.90 μs	5.01 μs	1.28	0.28	False
ConcurrentStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.00 μs	5.06 μs	1.26	0.19	False
ImmutableList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.57 μs	10.18 μs	1.19	0.17	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.31 μs	9.59 μs	1.15	0.18	False
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	24.86 μs	27.88 μs	1.12	0.30	False
SortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	11.56 μs	12.86 μs	1.11	0.18	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.46 μs	16.96 μs	1.10	0.19	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CtorFromCollection<Int32>*'

Details

System.Collections.CtorFromCollection<Int32>.ImmutableQueue(Size: 512)

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System.Collections.CtorFromCollection<Int32>.ImmutableStack(Size: 512)

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System.Collections.CtorFromCollection<Int32>.ConcurrentStack(Size: 512)

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System.Collections.CtorFromCollection<Int32>.ImmutableList(Size: 512)

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System.Collections.CtorFromCollection<Int32>.LinkedList(Size: 512)

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System.Collections.CtorFromCollection<Int32>.ConcurrentDictionary(Size: 512)

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System.Collections.CtorFromCollection<Int32>.SortedSet(Size: 512)

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System.Collections.CtorFromCollection<Int32>.ImmutableSortedSet(Size: 512)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	238.46 ns	446.61 ns	1.87	0.23	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	438.49 ns	554.87 ns	1.27	0.17	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	274.36 ns	318.55 ns	1.16	0.16	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	364.87 ns	422.72 ns	1.16	0.28	False
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	325.62 ns	366.98 ns	1.13	0.16	False
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	506.20 ns	565.53 ns	1.12	0.23	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	605.24 ns	657.23 ns	1.09	0.25	False
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	431.94 ns	466.55 ns	1.08	0.26	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>*'

Details

System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToStream(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeObjectProperty(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToUtf8Bytes(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToUtf8Bytes(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToString(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToStream(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeObjectProperty(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<ClassRecord>.SerializeToString(Mode: Reflection)

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Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt32

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.58 ns	16.08 ns	2.12	0.24	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.12 ns	16.48 ns	1.81	0.26	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.57 ns	16.22 ns	1.70	0.19	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.38 ns	20.01 ns	1.50	0.23	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	18.71 ns	25.96 ns	1.39	0.25	False
ParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	19.08 ns	26.10 ns	1.37	0.26	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.44 ns	14.78 ns	1.19	0.23	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.65 ns	19.73 ns	1.19	0.23	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt32*'

Details

System.Tests.Perf_UInt32.ParseSpan(value: "0")

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System.Tests.Perf_UInt32.Parse(value: "0")

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System.Tests.Perf_UInt32.TryParse(value: "0")

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System.Tests.Perf_UInt32.Parse(value: "12345")

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System.Tests.Perf_UInt32.Parse(value: "4294967295")

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System.Tests.Perf_UInt32.ParseSpan(value: "4294967295")

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System.Tests.Perf_UInt32.ToString(value: 12345)

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System.Tests.Perf_UInt32.ToString(value: 4294967295)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int16

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.69 ns	22.34 ns	2.09	0.17	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.57 ns	16.85 ns	1.76	0.19	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.02 ns	16.56 ns	1.65	0.25	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.76 ns	28.30 ns	1.59	0.17	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.12 ns	22.07 ns	1.46	0.22	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.82 ns	22.86 ns	1.45	0.22	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.89 ns	21.49 ns	1.44	0.20	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.60 ns	15.10 ns	1.20	0.20	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int16*'

Details

System.Tests.Perf_Int16.Parse(value: "-32768")

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System.Tests.Perf_Int16.Parse(value: "0")

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System.Tests.Perf_Int16.TryParse(value: "0")

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System.Tests.Perf_Int16.ToString(value: -32768)

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System.Tests.Perf_Int16.TryParse(value: "32767")

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System.Tests.Perf_Int16.TryParse(value: "-32768")

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System.Tests.Perf_Int16.Parse(value: "32767")

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System.Tests.Perf_Int16.ToString(value: 32767)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Threading.Tasks.ValueTaskPerfTest

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
CreateAndAwait_FromResult - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.20 ns	20.17 ns	1.65	0.19	False
CreateAndAwait_FromResult_ConfigureAwait - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.21 ns	20.02 ns	1.64	0.19	False
Await_FromResult - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.17 ns	19.74 ns	1.62	0.16	False
CreateAndAwait_FromCompletedTask - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	15.03 ns	22.24 ns	1.48	0.19	False
CreateAndAwait_FromCompletedTask_ConfigureAwait - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.89 ns	21.96 ns	1.48	0.20	False
CreateAndAwait_FromCompletedValueTaskSource_ConfigureAwait - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	16.72 ns	23.76 ns	1.42	0.21	False
CreateAndAwait_FromCompletedValueTaskSource - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.21 ns	24.02 ns	1.40	0.26	False
Await_FromCompletedTask - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	21.40 ns	29.83 ns	1.39	0.27	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Threading.Tasks.ValueTaskPerfTest*'

Details

System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult

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System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromResult_ConfigureAwait

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System.Threading.Tasks.ValueTaskPerfTest.Await_FromResult

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System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromCompletedTask

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System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromCompletedTask_ConfigureAwait

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System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromCompletedValueTaskSource_ConfigureAwait

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System.Threading.Tasks.ValueTaskPerfTest.CreateAndAwait_FromCompletedValueTaskSource

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System.Threading.Tasks.ValueTaskPerfTest.Await_FromCompletedTask

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Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	22.30 ms	26.58 ms	1.19	0.16	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	284.51 μs	334.03 μs	1.17	0.09	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	4.54 ms	5.32 ms	1.17	0.17	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.01 ms	1.18 ms	1.17	0.17	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.28 ms	2.67 ms	1.17	0.12	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	10.14 ms	11.77 ms	1.16	0.24	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.39 ms	1.61 ms	1.16	0.22	False
Get - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.32 ms	6.06 ms	1.14	0.14	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks*'

Details

Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 32, KeysCountPerProvider: 40)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 8, KeysCountPerProvider: 10)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 32, KeysCountPerProvider: 10)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 16, KeysCountPerProvider: 10)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 16, KeysCountPerProvider: 20)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 32, KeysCountPerProvider: 20)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 8, KeysCountPerProvider: 40)

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Microsoft.Extensions.Configuration.ConfigurationBinderBenchmarks.Get(ConfigurationProvidersCount: 16, KeysCountPerProvider: 40)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_Int128

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.97 ns	25.64 ns	1.43	0.19	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.92 ns	25.57 ns	1.43	0.17	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	17.91 ns	25.10 ns	1.40	0.19	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	13.57 ns	17.87 ns	1.32	0.25	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	86.71 ns	109.26 ns	1.26	0.18	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	93.60 ns	110.64 ns	1.18	0.19	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	101.88 ns	108.87 ns	1.07	0.24	False
TryParseSpan - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	105.41 ns	112.33 ns	1.07	0.24	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Int128*'

Details

System.Tests.Perf_Int128.TryParseSpan(value: "12345")

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System.Tests.Perf_Int128.TryParse(value: "12345")

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System.Tests.Perf_Int128.Parse(value: "12345")

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System.Tests.Perf_Int128.ToString(value: 12345)

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System.Tests.Perf_Int128.ToString(value: -170141183460469231731687303715884105728)

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System.Tests.Perf_Int128.TryParse(value: "-170141183460469231731687303715884105728")

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System.Tests.Perf_Int128.TryParse(value: "170141183460469231731687303715884105727")

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System.Tests.Perf_Int128.TryParseSpan(value: "-170141183460469231731687303715884105728")

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Tests.Perf_UInt16

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.88 ns	21.09 ns	2.37	0.16	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	7.84 ns	15.01 ns	1.92	0.22	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.15 ns	15.94 ns	1.74	0.13	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	9.54 ns	15.07 ns	1.58	0.20	False
Parse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.10 ns	21.02 ns	1.49	0.21	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.35 ns	21.20 ns	1.48	0.16	False
TryParse - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	14.34 ns	21.09 ns	1.47	0.24	False
ToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	12.39 ns	14.99 ns	1.21	0.15	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_UInt16*'

Details

System.Tests.Perf_UInt16.Parse(value: "65535")

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System.Tests.Perf_UInt16.ToString(value: 12345)

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System.Tests.Perf_UInt16.Parse(value: "0")

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System.Tests.Perf_UInt16.TryParse(value: "0")

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System.Tests.Perf_UInt16.Parse(value: "12345")

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System.Tests.Perf_UInt16.TryParse(value: "12345")

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System.Tests.Perf_UInt16.TryParse(value: "65535")

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System.Tests.Perf_UInt16.ToString(value: 65535)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.CreateAddAndClear<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
ImmutableQueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.49 μs	11.12 μs	1.31	0.25	False
ImmutableStack - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.80 μs	4.92 μs	1.29	0.31	False
ConcurrentDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	37.12 μs	45.58 μs	1.23	0.20	False
LinkedList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	8.77 μs	10.67 μs	1.22	0.17	False
ImmutableList - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	98.60 μs	115.85 μs	1.17	0.12	False
ImmutableSortedDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	129.38 μs	145.83 μs	1.13	0.18	False
ImmutableSortedSet - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	124.21 μs	139.89 μs	1.13	0.20	False
ImmutableDictionary - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	174.41 μs	186.59 μs	1.07	0.19	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.CreateAddAndClear<Int32>*'

Details

System.Collections.CreateAddAndClear<Int32>.ImmutableQueue(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ImmutableStack(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ConcurrentDictionary(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.LinkedList(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ImmutableList(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ImmutableSortedDictionary(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ImmutableSortedSet(Size: 512)

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System.Collections.CreateAddAndClear<Int32>.ImmutableDictionary(Size: 512)

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Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

[performanceautofiler]

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.RegularExpressions.Tests.Perf_Regex_Common

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
MatchWord - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	151.49 ns	165.37 ns	1.09	0.24	False
Backtracking - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	136.71 ns	148.12 ns	1.08	0.15	False
MatchWord - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	146.00 ns	157.43 ns	1.08	0.22	False
Ctor - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	6.43 μs	6.85 μs	1.07	0.22	False
Backtracking - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	179.40 ns	190.51 ns	1.06	0.20	False
MatchesWord - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.33 μs	1.41 μs	1.06	0.17	False
MatchesWords - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	3.38 μs	3.59 μs	1.06	0.13	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.RegularExpressions.Tests.Perf_Regex_Common*'

Details

System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchWord(Options: IgnoreCase, Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.Backtracking(Options: Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchWord(Options: Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.Ctor(Options: None)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.Backtracking(Options: IgnoreCase, Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWord(Options: Compiled)

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System.Text.RegularExpressions.Tests.Perf_Regex_Common.MatchesWords(Options: Compiled)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
DeserializeFromString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	63.49 μs	74.39 μs	1.17	0.13	False
DeserializeFromStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	64.98 μs	75.81 μs	1.17	0.17	False
DeserializeFromStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	65.31 μs	75.89 μs	1.16	0.16	False
DeserializeFromUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	63.22 μs	73.34 μs	1.16	0.11	False
DeserializeFromUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	64.09 μs	74.27 μs	1.16	0.14	False
DeserializeFromString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	64.29 μs	74.06 μs	1.15	0.19	False
DeserializeFromReader - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	70.55 μs	79.46 μs	1.13	0.17	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>*'

Details

System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromString(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromStream(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromStream(Mode: Reflection)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromUtf8Bytes(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromUtf8Bytes(Mode: Reflection)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromString(Mode: Reflection)

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System.Text.Json.Serialization.Tests.ReadJson<ImmutableSortedDictionary<String, String>>.DeserializeFromReader(Mode: SourceGen)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Collections.Tests.Perf_PriorityQueue<String, String>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
K_Max_Elements - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	47.29 μs	59.56 μs	1.26	0.23	False
HeapSort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.52 μs	3.04 μs	1.20	0.13	False
Dequeue_And_Enqueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	2.13 ms	2.54 ms	1.19	0.19	False
Dequeue_And_Enqueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	5.78 μs	6.84 μs	1.18	0.22	False
Dequeue_And_Enqueue - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	134.94 μs	158.38 μs	1.17	0.22	False
HeapSort - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	60.31 μs	70.07 μs	1.16	0.24	False
K_Max_Elements - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.11 μs	1.28 μs	1.15	0.21	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Tests.Perf_PriorityQueue<String, String>*'

Details

System.Collections.Tests.Perf_PriorityQueue<String, String>.K_Max_Elements(Size: 1000)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.HeapSort(Size: 10)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.Dequeue_And_Enqueue(Size: 1000)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.Dequeue_And_Enqueue(Size: 10)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.Dequeue_And_Enqueue(Size: 100)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.HeapSort(Size: 100)

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System.Collections.Tests.Perf_PriorityQueue<String, String>.K_Max_Elements(Size: 10)

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Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository

---

Run Information

Name	Value
Architecture	arm64
OS	azurelinux 3.0
Queue	CobaltAzureLinux
Baseline	a7bb6dfe4ab5ba1804be80698cf138a65e9c0370
Compare	ba10a6ee8aa80fce1bb3e40b57b2b941102107c9
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Regressions in System.Text.Json.Serialization.Tests.WriteJson<Int32>

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	100.26 ns	149.91 ns	1.50	0.25	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	87.26 ns	128.20 ns	1.47	0.24	False
SerializeToUtf8Bytes - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	87.34 ns	127.81 ns	1.46	0.19	False
SerializeToString - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	105.43 ns	151.57 ns	1.44	0.39	False
SerializeToStream - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	184.24 ns	239.20 ns	1.30	0.24	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	220.90 ns	261.32 ns	1.18	0.21	False
SerializeObjectProperty - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	212.81 ns	245.19 ns	1.15	0.21	False

Test Report

Repro

General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Text.Json.Serialization.Tests.WriteJson<Int32>*'

Details

System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToString(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToUtf8Bytes(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToUtf8Bytes(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToString(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeToStream(Mode: SourceGen)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeObjectProperty(Mode: Reflection)

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System.Text.Json.Serialization.Tests.WriteJson<Int32>.SerializeObjectProperty(Mode: SourceGen)

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JIT Disasms

Docs

Profiling workflow for dotnet/runtime repository
Benchmarking workflow for dotnet/runtime repository