yumin-chen · yumin-chen · Mar 25, 2026
diff --git a/hello_baseline-lto-full-feature b/hello_baseline-lto-full-feature
diff --git a/hello_baseline-original b/hello_baseline-original
diff --git a/hello_comp b/hello_comp
diff --git a/hello_eval b/hello_eval
diff --git a/hello_lto b/hello_lto
diff --git a/hello_minimal b/hello_minimal
diff --git a/hello_minimal_dbg b/hello_minimal_dbg
diff --git a/hello_mod_baseline-lto-full-feature b/hello_mod_baseline-lto-full-feature
diff --git a/hello_mod_baseline-original b/hello_mod_baseline-original
diff --git a/hello_mod_lto b/hello_mod_lto
diff --git a/hello_mod_minimal b/hello_mod_minimal
diff --git a/hello_mod_partial b/hello_mod_partial
diff --git a/hello_partial b/hello_partial
diff --git a/measure.sh b/measure.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# Function to collect metrics for a given configuration
+collect_metrics() {
+    local config_name=$1
+    local config_lto=$2
+    local qjsc_flags=$3
+
+    echo "Measuring configuration: $config_name (CONFIG_LTO=$config_lto, flags=$qjsc_flags)"
+
+    make clean > /dev/null 2>&1
+    make CONFIG_LTO=$config_lto > /dev/null 2>&1
+
+    if [ ! -f ./qjsc ]; then
+        echo "Failed to build qjsc for $config_name"
+        return
+    fi
+
+    # Compile examples
+    ./qjsc $qjsc_flags -o "hello_${config_name}" examples/hello.js
+    ./qjsc $qjsc_flags -o "pi_${config_name}" examples/pi_bigint.js
+
+    # hello_module.js requires -m. If -fno-module-loader is used, it might fail to run, but let's see if it compiles.
+    # Actually, if we disable module-loader, -m might still work for static modules?
+    # Let's check qjsc.c again. FE_MODULE_LOADER controls JS_SetModuleLoaderFunc2.
+    if [[ "$qjsc_flags" == *"-fno-module-loader"* ]]; then
+        echo "Skipping hello_module for $config_name as module-loader is disabled"
+    else
+        ./qjsc $qjsc_flags -m -o "hello_mod_${config_name}" examples/hello_module.js
+    fi
+
+    # Store sizes
+    echo "Results for $config_name:"
+    ls -l "hello_${config_name}" "pi_${config_name}" 2>/dev/null | awk '{print $9 ": " $5}'
+    ls -l "hello_mod_${config_name}" 2>/dev/null | awk '{print $9 ": " $5}'
+    echo "-----------------------------------"
+}
+
+# 1. baseline-original
+collect_metrics "baseline-original" "n" ""
+
+# 2. baseline-lto-full-feature
+collect_metrics "baseline-lto-full-feature" "y" "-flto"
+
+# 3. partial-runtime
+collect_metrics "partial-runtime" "y" "-flto -fno-eval -fno-regexp -fno-json -fno-module-loader"
+
+# 4. minimal-runtime
+MINIMAL_FLAGS="-flto -fno-eval -fno-regexp -fno-json -fno-proxy -fno-map -fno-typedarray -fno-promise -fno-date -fno-string-normalize -fno-module-loader -fno-weakref"
+collect_metrics "minimal-runtime" "y" "$MINIMAL_FLAGS"
diff --git a/measure_output.txt b/measure_output.txt
@@ -0,0 +1,14 @@
+Measuring configuration: baseline-original (CONFIG_LTO=n, flags=)
+Results for baseline-original:
+hello_baseline-original: 4959848
+pi_baseline-original: 4963952
+hello_mod_baseline-original: 4960072
+-----------------------------------
+Measuring configuration: baseline-lto-full-feature (CONFIG_LTO=y, flags=-flto)
+Measuring configuration: baseline-lto-full-feature (CONFIG_LTO=y, flags=-flto)
+lto-wrapper: warning: using serial compilation of 16 LTRANS jobs
+lto-wrapper: note: see the ‘-flto’ option documentation for more information
+lto-wrapper: warning: using serial compilation of 16 LTRANS jobs
+lto-wrapper: note: see the ‘-flto’ option documentation for more information
+lto-wrapper: warning: using serial compilation of 16 LTRANS jobs
+lto-wrapper: note: see the ‘-flto’ option documentation for more information
diff --git a/measure_part2.sh b/measure_part2.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+# Function to collect metrics for a given configuration
+collect_metrics() {
+    local config_name=$1
+    local config_lto=$2
+    local qjsc_flags=$3
+
+    echo "Measuring configuration: $config_name (CONFIG_LTO=$config_lto, flags=$qjsc_flags)"
+
+    make clean > /dev/null 2>&1
+    make CONFIG_LTO=$config_lto > /dev/null 2>&1
+
+    if [ ! -f ./qjsc ]; then
+        echo "Failed to build qjsc for $config_name"
+        return
+    fi
+
+    # Compile examples
+    ./qjsc $qjsc_flags -o "hello_${config_name}" examples/hello.js
+    ./qjsc $qjsc_flags -o "pi_${config_name}" examples/pi_bigint.js
+
+    if [[ "$qjsc_flags" == *"-fno-module-loader"* ]]; then
+        echo "Skipping hello_module for $config_name as module-loader is disabled"
+    else
+        ./qjsc $qjsc_flags -m -o "hello_mod_${config_name}" examples/hello_module.js
+    fi
+
+    # Store sizes
+    echo "Results for $config_name:"
+    ls -l "hello_${config_name}" "pi_${config_name}" 2>/dev/null | awk '{print $9 ": " $5}'
+    ls -l "hello_mod_${config_name}" 2>/dev/null | awk '{print $9 ": " $5}'
+    echo "-----------------------------------"
+}
+
+# 2. baseline-lto-full-feature
+collect_metrics "baseline-lto-full-feature" "y" "-flto"
+
+# 3. partial-runtime
+collect_metrics "partial-runtime" "y" "-flto -fno-eval -fno-regexp -fno-json -fno-module-loader"
+
+# 4. minimal-runtime
+MINIMAL_FLAGS="-flto -fno-eval -fno-regexp -fno-json -fno-proxy -fno-map -fno-typedarray -fno-promise -fno-date -fno-string-normalize -fno-module-loader -fno-weakref"
+collect_metrics "minimal-runtime" "y" "$MINIMAL_FLAGS"
diff --git a/pi_baseline-lto-full-feature b/pi_baseline-lto-full-feature
diff --git a/pi_baseline-original b/pi_baseline-original
diff --git a/pi_lto b/pi_lto
diff --git a/pi_minimal b/pi_minimal
diff --git a/pi_partial b/pi_partial
diff --git a/test_json.js b/test_json.js
@@ -0,0 +1 @@
+console.log(JSON.parse('{"a":1}'))
diff --git a/test_json_no_json b/test_json_no_json