Assembly Diffs

linux arm

Diffs are based on 2,242,904 contexts (830,244 MinOpts, 1,412,660 FullOpts).

MISSED contexts: 73,620 (3.18%)

No diffs found.

Details

Context information

Collection Diffed contexts MinOpts FullOpts Missed, base Missed, diff
benchmarks.run.linux.arm.checked.mch 45,558 5,109 40,449 1,189 (2.54%) 1,189 (2.54%)
benchmarks.run_pgo.linux.arm.checked.mch 160,880 59,255 101,625 3,263 (1.99%) 3,263 (1.99%)
benchmarks.run_tiered.linux.arm.checked.mch 77,452 41,903 35,549 1,072 (1.37%) 1,072 (1.37%)
coreclr_tests.run.linux.arm.checked.mch 472,712 259,492 213,220 7,204 (1.50%) 7,204 (1.50%)
libraries.crossgen2.linux.arm.checked.mch 191,613 14 191,599 0 (0.00%) 0 (0.00%)
libraries.pmi.linux.arm.checked.mch 273,479 6 273,473 7,833 (2.78%) 7,833 (2.78%)
libraries_tests.run.linux.arm.Release.mch 710,144 442,693 267,451 18,089 (2.48%) 18,089 (2.48%)
librariestestsnotieredcompilation.run.linux.arm.Release.mch 274,668 21,625 253,043 33,556 (10.89%) 33,556 (10.89%)
realworld.run.linux.arm.checked.mch 36,398 147 36,251 1,414 (3.74%) 1,414 (3.74%)
2,242,904 830,244 1,412,660 73,620 (3.18%) 73,620 (3.18%)

windows x86

Diffs are based on 2,599,259 contexts (1,005,474 MinOpts, 1,593,785 FullOpts).

MISSED contexts: 667 (0.03%)

Overall (+8 bytes)

Collection Base size (bytes) Diff size (bytes)
coreclr_tests.run.windows.x86.checked.mch 348,866,853 +8

FullOpts (+8 bytes)

Collection Base size (bytes) Diff size (bytes)
coreclr_tests.run.windows.x86.checked.mch 113,761,877 +8

Example diffs

coreclr_tests.run.windows.x86.checked.mch

+4 (+1.17%) : 514493.dasm - JIT.HardwareIntrinsics.X86.Avx512F.SimpleBinaryOpTestScaleScalarDouble:RunBasicScenarioLoadAligned():this (FullOpts) 

@@ -173,8 +173,9 @@ G_M47085_IG08:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
        lea      eax, [eax+ecx-0x01]
        dec      ecx
        andn     ecx, ecx, eax
-       vmovups  xmm0, xmmword ptr [ebp-0x2C]
-       vscalefsd xmm0, xmm0, xmmword ptr [ecx]
+       vmovapd  xmm0, xmmword ptr [ecx]
+       vmovups  xmm1, xmmword ptr [ebp-0x2C]
+       vscalefsd xmm0, xmm1, xmm0
        vmovups  xmmword ptr [ebp-0x1C], xmm0
        mov      ebx, edi
        lea      ecx, bword ptr [ebx+0x1C]
@@ -215,11 +216,11 @@ G_M47085_IG08:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=0000
        mov      dword ptr [ebp-0x30], eax
        lea      ecx, bword ptr [edi+0x1C]
        ; byrRegs +[ecx]
+                      ;; size=194 bbWeight=1 PerfScore 73.50
+G_M47085_IG09:        ; bbWeight=1, extend
        ; GC ptr vars -{V38}
        call     [<unknown method>]
        ; byrRegs -[ecx]
-                      ;; size=196 bbWeight=1 PerfScore 75.50
-G_M47085_IG09:        ; bbWeight=1, extend
        mov      ecx, dword ptr [edi]
        push     dword ptr [ebp-0x30]
        lea      edx, [eax+ecx-0x01]
@@ -233,7 +234,7 @@ G_M47085_IG09:        ; bbWeight=1, extend
        call     [<unknown method>]
        ; gcrRegs -[ecx esi]
        ; byrRegs -[edi]
-                      ;; size=31 bbWeight=1 PerfScore 10.25
+                     ;; size=37 bbWeight=1 PerfScore 13.25
 G_M47085_IG10:        ; bbWeight=1, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -243,6 +244,6 @@ G_M47085_IG10:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=1 PerfScore 3.50
 
-; Total bytes of code 343, prolog size 9, PerfScore 113.21, instruction count 102, allocated bytes for code 343 (MethodHash=c80b4812) for method JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarDouble:RunBasicScenario_LoadAligned():this (FullOpts)
+; Total bytes of code 347, prolog size 9, PerfScore 114.21, instruction count 103, allocated bytes for code 347 (MethodHash=c80b4812) for method JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarDouble:RunBasicScenario_LoadAligned():this (FullOpts)
 ; ============================================================

+4 (+1.17%) : 514508.dasm - JIT.HardwareIntrinsics.X86.Avx512F.SimpleBinaryOpTestScaleScalarSingle:RunBasicScenarioLoadAligned():this (FullOpts) 

@@ -173,8 +173,9 @@ G_M6370_IG08:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000
        lea      eax, [eax+ecx-0x01]
        dec      ecx
        andn     ecx, ecx, eax
-       vmovups  xmm0, xmmword ptr [ebp-0x2C]
-       vscalefss xmm0, xmm0, xmmword ptr [ecx]
+       vmovaps  xmm0, xmmword ptr [ecx]
+       vmovups  xmm1, xmmword ptr [ebp-0x2C]
+       vscalefss xmm0, xmm1, xmm0
        vmovups  xmmword ptr [ebp-0x1C], xmm0
        mov      ebx, edi
        lea      ecx, bword ptr [ebx+0x1C]
@@ -215,11 +216,11 @@ G_M6370_IG08:        ; bbWeight=1, gcrefRegs=000000C0 {esi edi}, byrefRegs=00000
        mov      dword ptr [ebp-0x30], eax
        lea      ecx, bword ptr [edi+0x1C]
        ; byrRegs +[ecx]
+                      ;; size=194 bbWeight=1 PerfScore 73.50
+G_M6370_IG09:        ; bbWeight=1, extend
        ; GC ptr vars -{V38}
        call     [<unknown method>]
        ; byrRegs -[ecx]
-                      ;; size=196 bbWeight=1 PerfScore 75.50
-G_M6370_IG09:        ; bbWeight=1, extend
        mov      ecx, dword ptr [edi]
        push     dword ptr [ebp-0x30]
        lea      edx, [eax+ecx-0x01]
@@ -233,7 +234,7 @@ G_M6370_IG09:        ; bbWeight=1, extend
        call     [<unknown method>]
        ; gcrRegs -[ecx esi]
        ; byrRegs -[edi]
-                      ;; size=31 bbWeight=1 PerfScore 10.25
+                     ;; size=37 bbWeight=1 PerfScore 13.25
 G_M6370_IG10:        ; bbWeight=1, epilog, nogc, extend
        lea      esp, [ebp-0x0C]
        pop      ebx
@@ -243,6 +244,6 @@ G_M6370_IG10:        ; bbWeight=1, epilog, nogc, extend
        ret      
                        ;; size=8 bbWeight=1 PerfScore 3.50
 
-; Total bytes of code 343, prolog size 9, PerfScore 113.21, instruction count 102, allocated bytes for code 343 (MethodHash=724be71d) for method JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarSingle:RunBasicScenario_LoadAligned():this (FullOpts)
+; Total bytes of code 347, prolog size 9, PerfScore 114.21, instruction count 103, allocated bytes for code 347 (MethodHash=724be71d) for method JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarSingle:RunBasicScenario_LoadAligned():this (FullOpts)
 ; ============================================================

Details

Improvements/regressions per collection

Collection Contexts with diffs Improvements Regressions Same size Improvements (bytes) Regressions (bytes)
benchmarks.run.windows.x86.checked.mch 0 0 0 0 -0 +0
benchmarks.run_pgo.windows.x86.checked.mch 0 0 0 0 -0 +0
benchmarks.run_tiered.windows.x86.checked.mch 0 0 0 0 -0 +0
coreclr_tests.run.windows.x86.checked.mch 2 0 2 0 -0 +8
libraries.crossgen2.windows.x86.checked.mch 0 0 0 0 -0 +0
libraries.pmi.windows.x86.checked.mch 0 0 0 0 -0 +0
libraries_tests.run.windows.x86.Release.mch 0 0 0 0 -0 +0
librariestestsnotieredcompilation.run.windows.x86.Release.mch 0 0 0 0 -0 +0
realworld.run.windows.x86.checked.mch 0 0 0 0 -0 +0
2 0 2 0 -0 +8

Context information

Collection Diffed contexts MinOpts FullOpts Missed, base Missed, diff
benchmarks.run.windows.x86.checked.mch 35,449 7 35,442 8 (0.02%) 8 (0.02%)
benchmarks.run_pgo.windows.x86.checked.mch 164,067 68,181 95,886 10 (0.01%) 10 (0.01%)
benchmarks.run_tiered.windows.x86.checked.mch 71,252 44,050 27,202 8 (0.01%) 8 (0.01%)
coreclr_tests.run.windows.x86.checked.mch 668,781 399,413 269,368 99 (0.01%) 99 (0.01%)
libraries.crossgen2.windows.x86.checked.mch 273,583 15 273,568 53 (0.02%) 53 (0.02%)
libraries.pmi.windows.x86.checked.mch 307,028 6 307,022 61 (0.02%) 61 (0.02%)
libraries_tests.run.windows.x86.Release.mch 691,492 471,429 220,063 357 (0.05%) 357 (0.05%)
librariestestsnotieredcompilation.run.windows.x86.Release.mch 351,613 22,370 329,243 62 (0.02%) 62 (0.02%)
realworld.run.windows.x86.checked.mch 35,994 3 35,991 9 (0.02%) 9 (0.02%)
2,599,259 1,005,474 1,593,785 667 (0.03%) 667 (0.03%)

jit-analyze output

coreclr_tests.run.windows.x86.checked.mch

To reproduce these diffs on Windows x86: superpmi.py asmdiffs -target_os windows -target_arch x86 -arch x86 


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 348866853 (overridden on cmd)
Total bytes of diff: 348866861 (overridden on cmd)
Total bytes of delta: 8 (0.00 % of base)
    diff is a regression.
    relative diff is a regression.

Detail diffs



Top file regressions (bytes):
           4 : 514508.dasm (1.17 % of base)
           4 : 514493.dasm (1.17 % of base)

2 total files with Code Size differences (0 improved, 2 regressed), 0 unchanged.

Top method regressions (bytes):
           4 (1.17 % of base) : 514493.dasm - JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarDouble:RunBasicScenario_LoadAligned():this (FullOpts)
           4 (1.17 % of base) : 514508.dasm - JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarSingle:RunBasicScenario_LoadAligned():this (FullOpts)

Top method regressions (percentages):
           4 (1.17 % of base) : 514493.dasm - JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarDouble:RunBasicScenario_LoadAligned():this (FullOpts)
           4 (1.17 % of base) : 514508.dasm - JIT.HardwareIntrinsics.X86._Avx512F.SimpleBinaryOpTest__ScaleScalarSingle:RunBasicScenario_LoadAligned():this (FullOpts)

2 total methods with Code Size differences (0 improved, 2 regressed).