[Benchmark X64] [stephentoub] Rewrite BigInteger internals to use native-wid ...

[MihuBot]

Job completed in 29 minutes 46 seconds (remote runner delay: 59 seconds).
dotnet/runtime#125799
Using arguments: benchmark BigInteger
Main commit: dotnet/runtime@37c9693
PR commit: stephentoub/runtime@3dbb09e

System.Numerics.Tests.Perf_BigInteger

BenchmarkDotNet v0.16.0-nightly.20260302.459, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V74 2.60GHz, 1 CPU, 8 logical and 4 physical cores
Memory: 31.34 GB Total, 2.77 GB Available
  Job-TPEJOW : .NET 11.0.0 (11.0.0-dev, 42.42.42.42424), X64 RyuJIT x86-64-v4
  Job-HKHXHK : .NET 11.0.0 (11.0.0-dev, 42.42.42.42424), X64 RyuJIT x86-64-v4
  Job-NRQIIJ : .NET 11.0.0 (11.0.0-dev, 42.42.42.42424), X64 RyuJIT x86-64-v4
  Job-NGSIDY : .NET 11.0.0 (11.0.0-dev, 42.42.42.42424), X64 RyuJIT x86-64-v4
EvaluateOverhead=False  PowerPlanMode=  IterationTime=250ms
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1

Method	Toolchain	numberString	arguments	Mean	Error	Ratio	Allocated	Alloc Ratio
Ctor_ByteArray	Main	-2147483648	?	11.172 ns	0.0296 ns	1.00	-	NA
Ctor_ByteArray	PR	-2147483648	?	11.448 ns	0.0945 ns	1.02	-	NA
ToByteArray	Main	-2147483648	?	9.778 ns	0.0832 ns	1.00	32 B	1.00
ToByteArray	PR	-2147483648	?	13.737 ns	0.0283 ns	1.40	32 B	1.00
Parse	Main	-2147483648	?	91.739 ns	0.0880 ns	1.00	-	NA
Parse	PR	-2147483648	?	96.282 ns	0.0485 ns	1.05	-	NA
ToStringX	Main	-2147483648	?	47.979 ns	0.0711 ns	1.00	40 B	1.00
ToStringX	PR	-2147483648	?	55.147 ns	0.0648 ns	1.15	40 B	1.00
ToStringD	Main	-2147483648	?	72.383 ns	0.2596 ns	1.00	48 B	1.00
ToStringD	PR	-2147483648	?	53.497 ns	0.1333 ns	0.74	48 B	1.00
Add	Main	?	1024,1024 bits	59.933 ns	0.1941 ns	1.00	160 B	1.00
Add	PR	?	1024,1024 bits	56.986 ns	0.5884 ns	0.95	160 B	1.00
Subtract	Main	?	1024,1024 bits	59.955 ns	0.1576 ns	1.00	152 B	1.00
Subtract	PR	?	1024,1024 bits	56.503 ns	0.2578 ns	0.94	152 B	1.00
GreatestCommonDivisor	Main	?	1024,1024 bits	4,454.831 ns	22.2209 ns	1.00	-	NA
GreatestCommonDivisor	PR	?	1024,1024 bits	4,650.313 ns	18.2393 ns	1.04	-	NA
Multiply	Main	?	1024,1024 bits	793.060 ns	2.9322 ns	1.00	280 B	1.00
Multiply	PR	?	1024,1024 bits	442.427 ns	4.8465 ns	0.56	280 B	1.00
ModPow	Main	?	1024,1024,64 bits	60,141.970 ns	355.7101 ns	1.00	32 B	1.00
ModPow	PR	?	1024,1024,64 bits	24,918.748 ns	13.4063 ns	0.41	32 B	1.00
Divide	Main	?	1024,512 bits	365.450 ns	0.3674 ns	1.00	96 B	1.00
Divide	PR	?	1024,512 bits	241.898 ns	0.3106 ns	0.66	96 B	1.00
Remainder	Main	?	1024,512 bits	376.738 ns	1.2742 ns	1.00	88 B	1.00
Remainder	PR	?	1024,512 bits	250.728 ns	0.3825 ns	0.67	88 B	1.00
Multiply	Main	?	1024,512 bits	465.764 ns	1.9536 ns	1.00	216 B	1.00
Multiply	PR	?	1024,512 bits	238.197 ns	1.2516 ns	0.51	216 B	1.00
Ctor_ByteArray	Main	123	?	8.586 ns	0.0096 ns	1.00	-	NA
Ctor_ByteArray	PR	123	?	8.613 ns	0.0023 ns	1.00	-	NA
ToByteArray	Main	123	?	7.502 ns	0.0142 ns	1.00	32 B	1.00
ToByteArray	PR	123	?	8.201 ns	0.0209 ns	1.09	32 B	1.00
Parse	Main	123	?	63.682 ns	0.0316 ns	1.00	-	NA
Parse	PR	123	?	74.875 ns	0.3422 ns	1.18	-	NA
ToStringX	Main	123	?	41.379 ns	0.0801 ns	1.00	32 B	1.00
ToStringX	PR	123	?	42.909 ns	0.1659 ns	1.04	32 B	1.00
ToStringD	Main	123	?	21.349 ns	0.0440 ns	1.00	-	NA
ToStringD	PR	123	?	21.566 ns	0.0612 ns	1.01	-	NA
Ctor_ByteArray	Main	123456789012(...)901234567890 [200]	?	15.585 ns	0.0891 ns	1.00	112 B	1.00
Ctor_ByteArray	PR	123456789012(...)901234567890 [200]	?	16.241 ns	0.1156 ns	1.04	112 B	1.00
ToByteArray	Main	123456789012(...)901234567890 [200]	?	13.227 ns	0.0792 ns	1.00	112 B	1.00
ToByteArray	PR	123456789012(...)901234567890 [200]	?	15.462 ns	0.0530 ns	1.17	112 B	1.00
Parse	Main	123456789012(...)901234567890 [200]	?	904.402 ns	3.3217 ns	1.00	112 B	1.00
Parse	PR	123456789012(...)901234567890 [200]	?	913.039 ns	0.5030 ns	1.01	112 B	1.00
ToStringX	Main	123456789012(...)901234567890 [200]	?	194.407 ns	2.0091 ns	1.00	360 B	1.00
ToStringX	PR	123456789012(...)901234567890 [200]	?	197.276 ns	0.7874 ns	1.01	360 B	1.00
ToStringD	Main	123456789012(...)901234567890 [200]	?	632.461 ns	0.6082 ns	1.00	424 B	1.00
ToStringD	PR	123456789012(...)901234567890 [200]	?	639.678 ns	1.4579 ns	1.01	424 B	1.00
Ctor_ByteArray	Main	12345678901(...)00000000000 [20000]	?	299.157 ns	5.7040 ns	1.00	8336 B	1.00
Ctor_ByteArray	PR	12345678901(...)00000000000 [20000]	?	301.355 ns	5.9802 ns	1.01	8336 B	1.00
ToByteArray	Main	12345678901(...)00000000000 [20000]	?	295.659 ns	6.0028 ns	1.00	8336 B	1.00
ToByteArray	PR	12345678901(...)00000000000 [20000]	?	301.114 ns	5.8015 ns	1.02	8336 B	1.00
Parse	Main	12345678901(...)00000000000 [20000]	?	509,953.172 ns	397.2508 ns	1.00	8467 B	1.00
Parse	PR	12345678901(...)00000000000 [20000]	?	325,485.743 ns	1,030.2229 ns	0.64	8420 B	0.99
ToStringX	Main	12345678901(...)00000000000 [20000]	?	11,990.782 ns	38.1329 ns	1.00	33252 B	1.00
ToStringX	PR	12345678901(...)00000000000 [20000]	?	12,153.584 ns	228.8497 ns	1.01	33252 B	1.00
ToStringD	Main	12345678901(...)00000000000 [20000]	?	1,166,843.945 ns	2,492.9779 ns	1.00	40169 B	1.00
ToStringD	PR	12345678901(...)00000000000 [20000]	?	555,557.235 ns	1,544.7395 ns	0.48	40168 B	1.00
Ctor_ByteArray	Main	12345678901(...)01234567890 [20000]	?	313.345 ns	5.1191 ns	1.00	8336 B	1.00
Ctor_ByteArray	PR	12345678901(...)01234567890 [20000]	?	297.565 ns	4.8224 ns	0.95	8336 B	1.00
ToByteArray	Main	12345678901(...)01234567890 [20000]	?	293.500 ns	3.3923 ns	1.00	8336 B	1.00
ToByteArray	PR	12345678901(...)01234567890 [20000]	?	304.539 ns	5.7203 ns	1.04	8336 B	1.00
Parse	Main	12345678901(...)01234567890 [20000]	?	792,573.065 ns	5,155.4873 ns	1.00	8540 B	1.00
Parse	PR	12345678901(...)01234567890 [20000]	?	454,400.965 ns	933.6157 ns	0.57	8510 B	1.00
ToStringX	Main	12345678901(...)01234567890 [20000]	?	12,001.611 ns	64.4123 ns	1.00	33252 B	1.00
ToStringX	PR	12345678901(...)01234567890 [20000]	?	12,033.145 ns	81.6348 ns	1.00	33252 B	1.00
ToStringD	Main	12345678901(...)01234567890 [20000]	?	1,590,958.533 ns	3,194.9757 ns	1.00	40226 B	1.00
ToStringD	PR	12345678901(...)01234567890 [20000]	?	792,864.504 ns	1,831.0917 ns	0.50	40226 B	1.00
Add	Main	?	16,16 bits	3.283 ns	0.0127 ns	1.00	-	NA
Add	PR	?	16,16 bits	3.483 ns	0.0063 ns	1.06	-	NA
Subtract	Main	?	16,16 bits	3.285 ns	0.0124 ns	1.00	-	NA
Subtract	PR	?	16,16 bits	3.279 ns	0.0067 ns	1.00	-	NA
GreatestCommonDivisor	Main	?	16,16 bits	21.275 ns	0.0053 ns	1.00	-	NA
GreatestCommonDivisor	PR	?	16,16 bits	21.267 ns	0.0053 ns	1.00	-	NA
Multiply	Main	?	16,16 bits	3.290 ns	0.0255 ns	1.00	-	NA
Multiply	PR	?	16,16 bits	3.274 ns	0.0076 ns	1.00	-	NA
ModPow	Main	?	16,16,16 bits	50.489 ns	0.0227 ns	1.00	-	NA
ModPow	PR	?	16,16,16 bits	50.766 ns	0.0458 ns	1.01	-	NA
Divide	Main	?	16,8 bits	11.813 ns	0.0088 ns	1.00	-	NA
Divide	PR	?	16,8 bits	11.836 ns	0.0217 ns	1.00	-	NA
Remainder	Main	?	16,8 bits	11.591 ns	0.0487 ns	1.00	-	NA
Remainder	PR	?	16,8 bits	11.563 ns	0.0312 ns	1.00	-	NA
Multiply	Main	?	16,8 bits	3.283 ns	0.0106 ns	1.00	-	NA
Multiply	PR	?	16,8 bits	3.281 ns	0.0080 ns	1.00	-	NA
ModPow	Main	?	16384,16384,64 bits	1,684,361.060 ns	3,353.1715 ns	1.00	45 B	1.00
ModPow	PR	?	16384,16384,64 bits	395,615.981 ns	9,792.8658 ns	0.23	36 B	0.80
Equals	Main	?	259 bytes, DiffFirstByte	10.763 ns	0.0825 ns	1.00	-	NA
Equals	PR	?	259 bytes, DiffFirstByte	2.265 ns	0.0195 ns	0.21	-	NA
Equals	Main	?	259 bytes, DiffLastByte	5.900 ns	0.1012 ns	1.00	-	NA
Equals	PR	?	259 bytes, DiffLastByte	5.920 ns	0.0830 ns	1.00	-	NA
Equals	Main	?	259 bytes, DiffMiddleByte	4.472 ns	0.0198 ns	1.00	-	NA
Equals	PR	?	259 bytes, DiffMiddleByte	4.452 ns	0.0282 ns	1.00	-	NA
Equals	Main	?	259 bytes, Same	5.897 ns	0.1070 ns	1.00	-	NA
Equals	PR	?	259 bytes, Same	5.961 ns	0.0442 ns	1.01	-	NA
Divide	Main	?	65536,32768 bits	458,984.650 ns	850.9992 ns	1.00	4188 B	1.00
Divide	PR	?	65536,32768 bits	272,995.839 ns	371.5273 ns	0.59	4162 B	0.99
Remainder	Main	?	65536,32768 bits	474,240.013 ns	2,847.4224 ns	1.00	4181 B	1.00
Remainder	PR	?	65536,32768 bits	273,170.792 ns	282.7531 ns	0.58	4154 B	0.99
Multiply	Main	?	65536,32768 bits	429,862.079 ns	1,043.3717 ns	1.00	12348 B	1.00
Multiply	PR	?	65536,32768 bits	278,142.006 ns	770.2665 ns	0.65	12338 B	1.00
Add	Main	?	65536,65536 bits	2,156.120 ns	41.5735 ns	1.00	8224 B	1.00
Add	PR	?	65536,65536 bits	1,830.042 ns	25.8593 ns	0.85	8224 B	1.00
Subtract	Main	?	65536,65536 bits	2,165.437 ns	42.5933 ns	1.00	8216 B	1.00
Subtract	PR	?	65536,65536 bits	1,854.735 ns	37.5420 ns	0.86	8216 B	1.00
GreatestCommonDivisor	Main	?	65536,65536 bits	4,089,678.458 ns	2,139.0885 ns	1.00	128 B	1.00
GreatestCommonDivisor	PR	?	65536,65536 bits	4,096,067.571 ns	3,200.6518 ns	1.00	128 B	1.00
Multiply	Main	?	65536,65536 bits	623,796.634 ns	2,269.6479 ns	1.00	16556 B	1.00
Multiply	PR	?	65536,65536 bits	390,767.474 ns	508.9444 ns	0.63	16499 B	1.00
Equals	Main	?	67 bytes, DiffFirstByte	2.257 ns	0.0208 ns	1.00	-	NA
Equals	PR	?	67 bytes, DiffFirstByte	2.260 ns	0.0160 ns	1.00	-	NA
Equals	Main	?	67 bytes, DiffLastByte	3.335 ns	0.0618 ns	1.00	-	NA
Equals	PR	?	67 bytes, DiffLastByte	3.342 ns	0.0548 ns	1.00	-	NA
Equals	Main	?	67 bytes, DiffMiddleByte	2.250 ns	0.0121 ns	1.00	-	NA
Equals	PR	?	67 bytes, DiffMiddleByte	2.254 ns	0.0167 ns	1.00	-	NA
Equals	Main	?	67 bytes, Same	3.285 ns	0.0600 ns	1.00	-	NA
Equals	PR	?	67 bytes, Same	2.805 ns	0.0539 ns	0.85	-	NA

Artifacts:

• BDN_Artifacts.zip (277 KB)
• results.md (30 KB)