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Fix ARM64 unsigned div by const perf regression #57400

Merged
merged 2 commits into from
Aug 17, 2021
Merged

Fix ARM64 unsigned div by const perf regression #57400

merged 2 commits into from
Aug 17, 2021

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pentp
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@pentp pentp commented Aug 14, 2021

This fixes #54166. This is the alternative version of #57372 that just improves GT_MUL codegen for arm64. Diffs are identical.

Diff: https://www.diffchecker.com/9mkVf4se
Diff with baseline (no #52893): https://www.diffchecker.com/x2SRZJvW

Unfortunately this doesn't yet solve #47490, probably because the operand nodes are extended to 64-bit earlier.

cc @AndyAyersMS @echesakovMSFT

@dotnet-issue-labeler dotnet-issue-labeler bot added the area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI label Aug 14, 2021
@ghost ghost added the community-contribution Indicates that the PR has been added by a community member label Aug 14, 2021
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Tagging subscribers to this area: @JulieLeeMSFT
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Issue Details

This fixes #54166. This is the alternative version of #57372 that just improves GT_MUL codegen for arm64. Diffs are identical.

Diff: https://www.diffchecker.com/9mkVf4se
Diff with baseline (no #52893): https://www.diffchecker.com/x2SRZJvW

Unfortunately this doesn't yet solve #47490, probably because the operand nodes are extended to 64-bit earlier.

cc @AndyAyersMS @echesakovMSFT

Author: pentp
Assignees: -
Labels:

area-CodeGen-coreclr
Milestone: -

@pentp pentp mentioned this pull request Aug 14, 2021
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@JulieLeeMSFT JulieLeeMSFT added this to the 6.0.0 milestone Aug 14, 2021
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CC @AndyAyersMS please review the code.

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Changes look reasonable to me, but I'll defer to @echesakov here...

SingleAccretion
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I suppose this is a low risk change for .NET 6, but longer term I'd think we'd want to support GT_MUL_LONG in ARM64 codegen directly and use the existing methods to detect it in lowering.

src/coreclr/jit/lower.cpp Outdated Show resolved Hide resolved
src/coreclr/jit/lower.cpp Outdated Show resolved Hide resolved
src/coreclr/jit/codegenarm64.cpp Outdated Show resolved Hide resolved
@echesakov echesakov self-requested a review August 14, 2021 18:54
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I ran System.Tests.Perf_Int32* benchmarks on my Surface Pro X.

Here are the results (baseline is e0f6071):

BenchmarkDotNet=v0.12.1.1466-nightly, OS=Windows 10.0.19043
Microsoft SQ2 3.15 GHz, 1 CPU, 8 logical and 8 physical cores
.NET SDK=6.0.100-preview.7.21379.14
  [Host]     : .NET 5.0.9 (5.0.921.35908), Arm64 RyuJIT
  Job-TRWEYK : .NET 6.0.0 (42.42.42.42424), Arm64 RyuJIT
  Job-OBGLQV : .NET 6.0.0 (42.42.42.42424), Arm64 RyuJIT
  Job-COTIHO : .NET 6.0.0 (42.42.42.42424), Arm64 RyuJIT

PowerPlanMode=00000000-0000-0000-0000-000000000000  Arguments=/p:DebugType=portable  IterationTime=250.0000 ms  
MaxIterationCount=20  MinIterationCount=15  WarmupCount=1
Method Job Toolchain value Mean Error StdDev Median Min Max Ratio RatioSD Gen 0 Gen 1 Gen 2 Allocated
ToString Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 39.744 ns 0.1694 ns 0.1414 ns 39.681 ns 39.605 ns 40.040 ns 0.99 0.00 0.0228 - - 48 B
ToString Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 40.222 ns 0.0537 ns 0.0448 ns 40.223 ns 40.145 ns 40.325 ns 1.00 0.00 0.0229 - - 48 B
ToString Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 37.945 ns 0.2733 ns 0.2422 ns 37.874 ns 37.714 ns 38.488 ns 0.94 0.01 0.0228 - - 48 B
ToStringHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 24.111 ns 0.3061 ns 0.2556 ns 24.056 ns 23.857 ns 24.774 ns 0.93 0.01 0.0191 - - 40 B
ToStringHex Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 26.056 ns 0.0165 ns 0.0138 ns 26.057 ns 26.034 ns 26.083 ns 1.00 0.00 0.0191 - - 40 B
ToStringHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 24.636 ns 0.2250 ns 0.1995 ns 24.537 ns 24.481 ns 25.101 ns 0.95 0.01 0.0191 - - 40 B
Parse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.414 ns 0.0657 ns 0.0582 ns 27.429 ns 27.272 ns 27.487 ns 1.00 0.00 - - - -
Parse Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 27.517 ns 0.0786 ns 0.0735 ns 27.518 ns 27.391 ns 27.640 ns 1.00 0.00 - - - -
Parse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 27.487 ns 0.1171 ns 0.1038 ns 27.449 ns 27.369 ns 27.676 ns 1.00 0.00 - - - -
TryParse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 25.944 ns 0.0910 ns 0.0806 ns 25.918 ns 25.850 ns 26.121 ns 0.99 0.00 - - - -
TryParse Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 26.296 ns 0.0755 ns 0.0589 ns 26.288 ns 26.224 ns 26.419 ns 1.00 0.00 - - - -
TryParse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 26.364 ns 0.1250 ns 0.1044 ns 26.349 ns 26.192 ns 26.617 ns 1.00 0.00 - - - -
ParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.809 ns 0.1477 ns 0.1309 ns 27.744 ns 27.704 ns 28.087 ns 1.01 0.00 - - - -
ParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 27.489 ns 0.0464 ns 0.0388 ns 27.481 ns 27.415 ns 27.568 ns 1.00 0.00 - - - -
ParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 27.995 ns 0.0504 ns 0.0446 ns 27.987 ns 27.936 ns 28.093 ns 1.02 0.00 - - - -
TryFormat Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 29.781 ns 0.0288 ns 0.0270 ns 29.782 ns 29.726 ns 29.827 ns 1.00 0.00 - - - -
TryFormat Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 29.698 ns 0.0301 ns 0.0251 ns 29.691 ns 29.654 ns 29.739 ns 1.00 0.00 - - - -
TryFormat Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 28.576 ns 0.0633 ns 0.0561 ns 28.584 ns 28.442 ns 28.663 ns 0.96 0.00 - - - -
TryParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.286 ns 0.0451 ns 0.0377 ns 27.281 ns 27.240 ns 27.373 ns 1.04 0.00 - - - -
TryParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe -2147483648 26.344 ns 0.0931 ns 0.0777 ns 26.326 ns 26.233 ns 26.529 ns 1.00 0.00 - - - -
TryParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe -2147483648 27.561 ns 0.0279 ns 0.0233 ns 27.562 ns 27.517 ns 27.601 ns 1.05 0.00 - - - -
Parse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 18.392 ns 0.0723 ns 0.0641 ns 18.413 ns 18.284 ns 18.480 ns 0.99 0.01 - - - -
Parse Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 18.542 ns 0.1281 ns 0.1136 ns 18.549 ns 18.298 ns 18.708 ns 1.00 0.00 - - - -
Parse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 18.602 ns 0.1030 ns 0.0963 ns 18.594 ns 18.465 ns 18.762 ns 1.00 0.01 - - - -
TryParse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 18.210 ns 0.0423 ns 0.0354 ns 18.205 ns 18.161 ns 18.275 ns 1.07 0.00 - - - -
TryParse Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 16.967 ns 0.0498 ns 0.0416 ns 16.980 ns 16.890 ns 17.014 ns 1.00 0.00 - - - -
TryParse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 16.943 ns 0.0839 ns 0.0743 ns 16.931 ns 16.854 ns 17.088 ns 1.00 0.00 - - - -
ParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 18.727 ns 0.0993 ns 0.0881 ns 18.718 ns 18.561 ns 18.920 ns 0.99 0.01 - - - -
ParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 18.973 ns 0.1717 ns 0.1606 ns 18.987 ns 18.654 ns 19.276 ns 1.00 0.00 - - - -
ParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 18.871 ns 0.0787 ns 0.0736 ns 18.861 ns 18.739 ns 19.000 ns 0.99 0.01 - - - -
TryParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 17.014 ns 0.0616 ns 0.0546 ns 16.999 ns 16.964 ns 17.134 ns 0.98 0.01 - - - -
TryParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 17.426 ns 0.0763 ns 0.0677 ns 17.403 ns 17.310 ns 17.528 ns 1.00 0.00 - - - -
TryParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 17.415 ns 0.1091 ns 0.0967 ns 17.371 ns 17.300 ns 17.644 ns 1.00 0.01 - - - -
ToString Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 2.244 ns 0.0037 ns 0.0033 ns 2.244 ns 2.239 ns 2.251 ns 1.17 0.01 - - - -
ToString Job-OBGLQV \baseline\Core_Root\corerun.exe 4 1.926 ns 0.0092 ns 0.0082 ns 1.923 ns 1.917 ns 1.948 ns 1.00 0.00 - - - -
ToString Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 2.559 ns 0.0045 ns 0.0042 ns 2.558 ns 2.554 ns 2.569 ns 1.33 0.00 - - - -
ToStringHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 16.723 ns 0.0333 ns 0.0278 ns 16.724 ns 16.673 ns 16.767 ns 0.96 0.00 0.0114 - - 24 B
ToStringHex Job-OBGLQV \baseline\Core_Root\corerun.exe 4 17.433 ns 0.0233 ns 0.0207 ns 17.434 ns 17.406 ns 17.474 ns 1.00 0.00 0.0115 - - 24 B
ToStringHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 17.159 ns 0.0298 ns 0.0264 ns 17.143 ns 17.133 ns 17.213 ns 0.98 0.00 0.0115 - - 24 B
TryFormat Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 4.325 ns 0.0141 ns 0.0132 ns 4.322 ns 4.301 ns 4.356 ns 1.00 0.01 - - - -
TryFormat Job-OBGLQV \baseline\Core_Root\corerun.exe 4 4.314 ns 0.0305 ns 0.0271 ns 4.314 ns 4.262 ns 4.362 ns 1.00 0.00 - - - -
TryFormat Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 4.355 ns 0.0801 ns 0.0669 ns 4.365 ns 4.139 ns 4.404 ns 1.01 0.01 - - - -
ToString Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 15.389 ns 0.0222 ns 0.0196 ns 15.386 ns 15.364 ns 15.422 ns 0.98 0.00 0.0153 - - 32 B
ToString Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 15.712 ns 0.0332 ns 0.0294 ns 15.706 ns 15.685 ns 15.775 ns 1.00 0.00 0.0153 - - 32 B
ToString Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 15.967 ns 0.0312 ns 0.0244 ns 15.961 ns 15.944 ns 16.017 ns 1.02 0.00 0.0152 - - 32 B
ToStringHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 20.870 ns 0.0241 ns 0.0188 ns 20.866 ns 20.850 ns 20.909 ns 0.99 0.00 0.0152 - - 32 B
ToStringHex Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 21.097 ns 0.0186 ns 0.0155 ns 21.099 ns 21.070 ns 21.128 ns 1.00 0.00 0.0153 - - 32 B
ToStringHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 21.499 ns 0.0833 ns 0.0738 ns 21.470 ns 21.426 ns 21.669 ns 1.02 0.00 0.0153 - - 32 B
TryFormat Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 12345 8.604 ns 0.0245 ns 0.0229 ns 8.600 ns 8.567 ns 8.643 ns 0.94 0.01 - - - -
TryFormat Job-OBGLQV \baseline\Core_Root\corerun.exe 12345 9.157 ns 0.0546 ns 0.0484 ns 9.137 ns 9.092 ns 9.282 ns 1.00 0.00 - - - -
TryFormat Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 12345 7.470 ns 0.0449 ns 0.0420 ns 7.451 ns 7.432 ns 7.549 ns 0.82 0.01 - - - -
ToString Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 24.385 ns 0.0255 ns 0.0213 ns 24.385 ns 24.357 ns 24.420 ns 0.93 0.00 0.0229 - - 48 B
ToString Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 26.237 ns 0.0528 ns 0.0441 ns 26.229 ns 26.177 ns 26.332 ns 1.00 0.00 0.0230 - - 48 B
ToString Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 23.810 ns 0.0387 ns 0.0362 ns 23.806 ns 23.769 ns 23.871 ns 0.91 0.00 0.0229 - - 48 B
ToStringHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 31.299 ns 0.0229 ns 0.0192 ns 31.299 ns 31.270 ns 31.332 ns 0.97 0.00 0.0190 - - 40 B
ToStringHex Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 32.250 ns 0.0377 ns 0.0295 ns 32.239 ns 32.217 ns 32.325 ns 1.00 0.00 0.0191 - - 40 B
ToStringHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 32.213 ns 0.0422 ns 0.0395 ns 32.201 ns 32.169 ns 32.308 ns 1.00 0.00 0.0191 - - 40 B
Parse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 27.039 ns 0.0452 ns 0.0423 ns 27.036 ns 26.962 ns 27.121 ns 1.00 0.00 - - - -
Parse Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 27.154 ns 0.0870 ns 0.0727 ns 27.130 ns 27.053 ns 27.303 ns 1.00 0.00 - - - -
Parse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 27.142 ns 0.0360 ns 0.0319 ns 27.143 ns 27.070 ns 27.205 ns 1.00 0.00 - - - -
TryParse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 29.551 ns 1.2489 ns 1.4383 ns 30.448 ns 27.200 ns 30.594 ns 1.15 0.06 - - - -
TryParse Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 25.355 ns 0.0951 ns 0.0843 ns 25.357 ns 25.213 ns 25.474 ns 1.00 0.00 - - - -
TryParse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 25.746 ns 0.1240 ns 0.1160 ns 25.744 ns 25.550 ns 25.913 ns 1.02 0.01 - - - -
ParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 27.279 ns 0.1212 ns 0.1074 ns 27.262 ns 27.117 ns 27.484 ns 1.00 0.01 - - - -
ParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 27.163 ns 0.0991 ns 0.0879 ns 27.176 ns 26.987 ns 27.312 ns 1.00 0.00 - - - -
ParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 27.393 ns 0.0950 ns 0.0794 ns 27.393 ns 27.281 ns 27.554 ns 1.01 0.01 - - - -
TryFormat Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 17.958 ns 0.0621 ns 0.0550 ns 17.939 ns 17.871 ns 18.055 ns 0.89 0.01 - - - -
TryFormat Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 20.189 ns 0.1346 ns 0.1259 ns 20.203 ns 20.002 ns 20.370 ns 1.00 0.00 - - - -
TryFormat Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 15.742 ns 0.0202 ns 0.0168 ns 15.745 ns 15.715 ns 15.771 ns 0.78 0.00 - - - -
TryParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 2147483647 25.832 ns 0.0682 ns 0.0570 ns 25.831 ns 25.730 ns 25.949 ns 1.01 0.00 - - - -
TryParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 2147483647 25.676 ns 0.0767 ns 0.0717 ns 25.675 ns 25.576 ns 25.809 ns 1.00 0.00 - - - -
TryParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 2147483647 25.683 ns 0.0457 ns 0.0405 ns 25.684 ns 25.608 ns 25.758 ns 1.00 0.00 - - - -
ParseHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 3039 16.210 ns 0.0248 ns 0.0232 ns 16.212 ns 16.169 ns 16.247 ns 1.01 0.00 - - - -
ParseHex Job-OBGLQV \baseline\Core_Root\corerun.exe 3039 16.030 ns 0.0260 ns 0.0244 ns 16.029 ns 15.994 ns 16.067 ns 1.00 0.00 - - - -
ParseHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 3039 16.292 ns 0.0274 ns 0.0229 ns 16.295 ns 16.244 ns 16.330 ns 1.02 0.00 - - - -
Parse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 15.177 ns 0.0214 ns 0.0179 ns 15.186 ns 15.143 ns 15.195 ns 0.99 0.00 - - - -
Parse Job-OBGLQV \baseline\Core_Root\corerun.exe 4 15.365 ns 0.0540 ns 0.0479 ns 15.377 ns 15.255 ns 15.410 ns 1.00 0.00 - - - -
Parse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 15.270 ns 0.0263 ns 0.0233 ns 15.271 ns 15.215 ns 15.303 ns 0.99 0.00 - - - -
ParseHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 10.832 ns 0.0156 ns 0.0130 ns 10.825 ns 10.822 ns 10.867 ns 1.02 0.00 - - - -
ParseHex Job-OBGLQV \baseline\Core_Root\corerun.exe 4 10.607 ns 0.0059 ns 0.0046 ns 10.607 ns 10.599 ns 10.615 ns 1.00 0.00 - - - -
ParseHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 10.552 ns 0.0052 ns 0.0043 ns 10.552 ns 10.546 ns 10.558 ns 0.99 0.00 - - - -
TryParse Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 13.632 ns 0.0293 ns 0.0260 ns 13.634 ns 13.582 ns 13.665 ns 0.99 0.00 - - - -
TryParse Job-OBGLQV \baseline\Core_Root\corerun.exe 4 13.732 ns 0.0648 ns 0.0574 ns 13.734 ns 13.635 ns 13.845 ns 1.00 0.00 - - - -
TryParse Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 14.016 ns 0.0284 ns 0.0266 ns 14.027 ns 13.965 ns 14.055 ns 1.02 0.00 - - - -
ParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 15.500 ns 0.0044 ns 0.0037 ns 15.501 ns 15.492 ns 15.506 ns 1.02 0.02 - - - -
ParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 4 15.261 ns 0.2620 ns 0.2451 ns 15.316 ns 14.867 ns 15.597 ns 1.00 0.00 - - - -
ParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 14.885 ns 0.1309 ns 0.1160 ns 14.929 ns 14.658 ns 14.996 ns 0.98 0.02 - - - -
TryParseSpan Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 4 14.640 ns 0.0122 ns 0.0108 ns 14.638 ns 14.624 ns 14.660 ns 1.04 0.00 - - - -
TryParseSpan Job-OBGLQV \baseline\Core_Root\corerun.exe 4 14.014 ns 0.0144 ns 0.0127 ns 14.011 ns 13.987 ns 14.033 ns 1.00 0.00 - - - -
TryParseSpan Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 4 13.150 ns 0.0175 ns 0.0155 ns 13.153 ns 13.127 ns 13.179 ns 0.94 0.00 - - - -
ParseHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 7FFFFFFF 23.449 ns 0.0273 ns 0.0228 ns 23.456 ns 23.408 ns 23.485 ns 0.99 0.00 - - - -
ParseHex Job-OBGLQV \baseline\Core_Root\corerun.exe 7FFFFFFF 23.616 ns 0.0729 ns 0.0682 ns 23.587 ns 23.544 ns 23.786 ns 1.00 0.00 - - - -
ParseHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 7FFFFFFF 23.755 ns 0.0309 ns 0.0258 ns 23.756 ns 23.695 ns 23.790 ns 1.01 0.00 - - - -
ParseHex Job-TRWEYK \baseline-no-52893\Core_Root\corerun.exe 80000000 23.799 ns 0.0266 ns 0.0236 ns 23.801 ns 23.756 ns 23.840 ns 1.00 0.00 - - - -
ParseHex Job-OBGLQV \baseline\Core_Root\corerun.exe 80000000 23.806 ns 0.0134 ns 0.0112 ns 23.808 ns 23.784 ns 23.824 ns 1.00 0.00 - - - -
ParseHex Job-COTIHO \diff-apply-57400\Core_Root\corerun.exe 80000000 23.742 ns 0.0212 ns 0.0177 ns 23.744 ns 23.714 ns 23.768 ns 1.00 0.00 - - - -

@JulieLeeMSFT JulieLeeMSFT removed the request for review from AndyAyersMS August 16, 2021 04:28
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@echesakov diff seems improvements. Do you approve the change?

@echesakov
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@JulieLeeMSFT Yes, the numbers were mostly improvements with an exception of ToString(4) benchmark and that was confusing to me, so I re-ran the benchmarks again:

Method Job Toolchain value Mean Error StdDev Median Min Max Ratio MannWhitney(3ms) RatioSD Gen 0 Gen 1 Gen 2 Allocated
ToString Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 39.708 ns 0.1531 ns 0.1195 ns 39.677 ns 39.579 ns 39.940 ns 0.98 Same 0.01 0.0228 - - 48 B
ToString Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 40.359 ns 0.3125 ns 0.2610 ns 40.258 ns 40.164 ns 41.000 ns 1.00 Base 0.00 0.0229 - - 48 B
ToString Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 38.054 ns 0.0332 ns 0.0311 ns 38.054 ns 38.009 ns 38.105 ns 0.94 Same 0.01 0.0228 - - 48 B
ToStringHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 24.460 ns 0.0731 ns 0.0683 ns 24.456 ns 24.334 ns 24.563 ns 0.94 Same 0.00 0.0191 - - 40 B
ToStringHex Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 26.016 ns 0.1281 ns 0.1136 ns 26.012 ns 25.705 ns 26.169 ns 1.00 Base 0.00 0.0191 - - 40 B
ToStringHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 24.655 ns 0.0927 ns 0.0867 ns 24.633 ns 24.534 ns 24.823 ns 0.95 Same 0.01 0.0191 - - 40 B
Parse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.672 ns 0.2437 ns 0.2160 ns 27.595 ns 27.439 ns 28.069 ns 0.94 Same 0.01 - - - -
Parse Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 29.433 ns 0.1123 ns 0.0938 ns 29.417 ns 29.300 ns 29.630 ns 1.00 Base 0.00 - - - -
Parse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 27.642 ns 0.1468 ns 0.1302 ns 27.628 ns 27.491 ns 27.951 ns 0.94 Same 0.01 - - - -
TryParse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.568 ns 0.1200 ns 0.1002 ns 27.530 ns 27.485 ns 27.805 ns 1.06 Same 0.01 - - - -
TryParse Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 26.011 ns 0.1456 ns 0.1136 ns 25.984 ns 25.849 ns 26.244 ns 1.00 Base 0.00 - - - -
TryParse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 26.265 ns 0.0789 ns 0.0738 ns 26.257 ns 26.117 ns 26.407 ns 1.01 Same 0.00 - - - -
ParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 27.555 ns 0.0339 ns 0.0301 ns 27.555 ns 27.520 ns 27.598 ns 1.00 Same 0.00 - - - -
ParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 27.592 ns 0.0385 ns 0.0361 ns 27.587 ns 27.539 ns 27.672 ns 1.00 Base 0.00 - - - -
ParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 27.645 ns 0.1365 ns 0.1140 ns 27.615 ns 27.584 ns 28.014 ns 1.00 Same 0.00 - - - -
TryFormat Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 30.085 ns 0.0277 ns 0.0216 ns 30.079 ns 30.059 ns 30.125 ns 1.01 Same 0.00 - - - -
TryFormat Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 29.799 ns 0.0418 ns 0.0349 ns 29.799 ns 29.756 ns 29.880 ns 1.00 Base 0.00 - - - -
TryFormat Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 28.352 ns 0.0847 ns 0.0661 ns 28.332 ns 28.293 ns 28.483 ns 0.95 Same 0.00 - - - -
TryParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe -2147483648 26.390 ns 0.0736 ns 0.0615 ns 26.406 ns 26.269 ns 26.477 ns 1.00 Same 0.01 - - - -
TryParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe -2147483648 26.343 ns 0.1202 ns 0.1065 ns 26.326 ns 26.141 ns 26.589 ns 1.00 Base 0.00 - - - -
TryParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe -2147483648 25.998 ns 0.0586 ns 0.0489 ns 26.011 ns 25.901 ns 26.057 ns 0.99 Same 0.00 - - - -
Parse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 19.614 ns 0.0439 ns 0.0389 ns 19.610 ns 19.555 ns 19.684 ns 1.04 Same 0.01 - - - -
Parse Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 18.805 ns 0.1517 ns 0.1419 ns 18.785 ns 18.631 ns 19.057 ns 1.00 Base 0.00 - - - -
Parse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 18.586 ns 0.0770 ns 0.0683 ns 18.580 ns 18.494 ns 18.720 ns 0.99 Same 0.01 - - - -
TryParse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 16.933 ns 0.0885 ns 0.0785 ns 16.917 ns 16.840 ns 17.087 ns 0.97 Same 0.01 - - - -
TryParse Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 17.393 ns 0.0613 ns 0.0543 ns 17.397 ns 17.295 ns 17.488 ns 1.00 Base 0.00 - - - -
TryParse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 18.084 ns 0.3170 ns 0.2965 ns 18.163 ns 17.326 ns 18.260 ns 1.04 Same 0.02 - - - -
ParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 18.724 ns 0.0615 ns 0.0514 ns 18.742 ns 18.629 ns 18.798 ns 1.01 Same 0.00 - - - -
ParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 18.529 ns 0.0630 ns 0.0589 ns 18.519 ns 18.441 ns 18.639 ns 1.00 Base 0.00 - - - -
ParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 18.779 ns 0.0511 ns 0.0453 ns 18.779 ns 18.705 ns 18.845 ns 1.01 Same 0.00 - - - -
TryParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 17.516 ns 0.0414 ns 0.0388 ns 17.510 ns 17.463 ns 17.597 ns 1.00 Same 0.00 - - - -
TryParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 17.534 ns 0.0205 ns 0.0191 ns 17.536 ns 17.506 ns 17.568 ns 1.00 Base 0.00 - - - -
TryParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 17.268 ns 0.0402 ns 0.0314 ns 17.272 ns 17.213 ns 17.314 ns 0.98 Same 0.00 - - - -
ToString Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 1.933 ns 0.0042 ns 0.0037 ns 1.932 ns 1.928 ns 1.941 ns 0.86 Same 0.00 - - - -
ToString Job-QVHRJM \baseline\Core_Root\corerun.exe 4 2.248 ns 0.0047 ns 0.0042 ns 2.247 ns 2.244 ns 2.256 ns 1.00 Base 0.00 - - - -
ToString Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 2.247 ns 0.0042 ns 0.0035 ns 2.247 ns 2.242 ns 2.255 ns 1.00 Same 0.00 - - - -
ToStringHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 16.304 ns 0.0309 ns 0.0274 ns 16.298 ns 16.269 ns 16.366 ns 0.94 Same 0.00 0.0114 - - 24 B
ToStringHex Job-QVHRJM \baseline\Core_Root\corerun.exe 4 17.420 ns 0.0203 ns 0.0170 ns 17.418 ns 17.391 ns 17.454 ns 1.00 Base 0.00 0.0114 - - 24 B
ToStringHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 16.871 ns 0.0304 ns 0.0237 ns 16.863 ns 16.845 ns 16.930 ns 0.97 Same 0.00 0.0115 - - 24 B
TryFormat Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 4.317 ns 0.0127 ns 0.0113 ns 4.318 ns 4.291 ns 4.333 ns 1.10 Same 0.00 - - - -
TryFormat Job-QVHRJM \baseline\Core_Root\corerun.exe 4 3.928 ns 0.0102 ns 0.0085 ns 3.929 ns 3.909 ns 3.940 ns 1.00 Base 0.00 - - - -
TryFormat Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 3.963 ns 0.0087 ns 0.0073 ns 3.963 ns 3.952 ns 3.975 ns 1.01 Same 0.00 - - - -
ToString Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 15.369 ns 0.0146 ns 0.0129 ns 15.367 ns 15.355 ns 15.400 ns 0.98 Same 0.00 0.0153 - - 32 B
ToString Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 15.670 ns 0.0131 ns 0.0122 ns 15.669 ns 15.654 ns 15.693 ns 1.00 Base 0.00 0.0153 - - 32 B
ToString Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 16.022 ns 0.0883 ns 0.0689 ns 16.001 ns 15.971 ns 16.185 ns 1.02 Same 0.00 0.0153 - - 32 B
ToStringHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 20.823 ns 0.0191 ns 0.0169 ns 20.823 ns 20.800 ns 20.858 ns 0.98 Same 0.00 0.0152 - - 32 B
ToStringHex Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 21.278 ns 0.0682 ns 0.0569 ns 21.257 ns 21.230 ns 21.425 ns 1.00 Base 0.00 0.0152 - - 32 B
ToStringHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 21.460 ns 0.0230 ns 0.0203 ns 21.453 ns 21.439 ns 21.505 ns 1.01 Same 0.00 0.0153 - - 32 B
TryFormat Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 12345 8.446 ns 0.0238 ns 0.0223 ns 8.451 ns 8.401 ns 8.481 ns 0.94 Same 0.01 - - - -
TryFormat Job-QVHRJM \baseline\Core_Root\corerun.exe 12345 9.019 ns 0.0402 ns 0.0357 ns 9.019 ns 8.959 ns 9.102 ns 1.00 Base 0.00 - - - -
TryFormat Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 12345 7.641 ns 0.0459 ns 0.0407 ns 7.645 ns 7.551 ns 7.682 ns 0.85 Same 0.01 - - - -
ToString Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 24.423 ns 0.0170 ns 0.0142 ns 24.423 ns 24.396 ns 24.448 ns 0.93 Same 0.00 0.0229 - - 48 B
ToString Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 26.286 ns 0.0313 ns 0.0261 ns 26.285 ns 26.256 ns 26.336 ns 1.00 Base 0.00 0.0228 - - 48 B
ToString Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 23.761 ns 0.0205 ns 0.0160 ns 23.760 ns 23.734 ns 23.797 ns 0.90 Same 0.00 0.0229 - - 48 B
ToStringHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 31.639 ns 0.0938 ns 0.0832 ns 31.608 ns 31.571 ns 31.810 ns 0.99 Same 0.00 0.0191 - - 40 B
ToStringHex Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 31.879 ns 0.0269 ns 0.0251 ns 31.878 ns 31.846 ns 31.923 ns 1.00 Base 0.00 0.0191 - - 40 B
ToStringHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 32.232 ns 0.0257 ns 0.0228 ns 32.234 ns 32.195 ns 32.262 ns 1.01 Same 0.00 0.0191 - - 40 B
Parse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 27.098 ns 0.0929 ns 0.0775 ns 27.080 ns 27.016 ns 27.284 ns 1.00 Same 0.00 - - - -
Parse Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 27.120 ns 0.0578 ns 0.0451 ns 27.129 ns 27.048 ns 27.188 ns 1.00 Base 0.00 - - - -
Parse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 27.091 ns 0.0694 ns 0.0649 ns 27.081 ns 26.975 ns 27.214 ns 1.00 Same 0.00 - - - -
TryParse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 27.051 ns 0.4004 ns 0.3549 ns 27.160 ns 25.832 ns 27.224 ns 1.02 Same 0.01 - - - -
TryParse Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 26.477 ns 0.5097 ns 0.4519 ns 26.672 ns 25.474 ns 26.827 ns 1.00 Base 0.00 - - - -
TryParse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 25.740 ns 0.1641 ns 0.1371 ns 25.726 ns 25.565 ns 26.073 ns 0.97 Same 0.02 - - - -
ParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 28.507 ns 0.2006 ns 0.1675 ns 28.553 ns 28.045 ns 28.695 ns 1.04 Same 0.01 - - - -
ParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 27.452 ns 0.1014 ns 0.0847 ns 27.455 ns 27.300 ns 27.580 ns 1.00 Base 0.00 - - - -
ParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 27.457 ns 0.0986 ns 0.0874 ns 27.447 ns 27.309 ns 27.644 ns 1.00 Same 0.00 - - - -
TryFormat Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 18.392 ns 0.0297 ns 0.0248 ns 18.389 ns 18.352 ns 18.442 ns 0.89 Same 0.01 - - - -
TryFormat Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 20.583 ns 0.1339 ns 0.1187 ns 20.569 ns 20.428 ns 20.833 ns 1.00 Base 0.00 - - - -
TryFormat Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 15.823 ns 0.0220 ns 0.0206 ns 15.821 ns 15.791 ns 15.858 ns 0.77 Same 0.00 - - - -
TryParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 2147483647 25.774 ns 0.0481 ns 0.0426 ns 25.782 ns 25.698 ns 25.849 ns 1.00 Same 0.00 - - - -
TryParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 2147483647 25.746 ns 0.0519 ns 0.0433 ns 25.750 ns 25.671 ns 25.816 ns 1.00 Base 0.00 - - - -
TryParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 2147483647 26.787 ns 0.0205 ns 0.0171 ns 26.787 ns 26.762 ns 26.822 ns 1.04 Same 0.00 - - - -
ParseHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 3039 16.045 ns 0.0615 ns 0.0514 ns 16.028 ns 15.991 ns 16.170 ns 1.00 Same 0.00 - - - -
ParseHex Job-QVHRJM \baseline\Core_Root\corerun.exe 3039 16.081 ns 0.0682 ns 0.0604 ns 16.059 ns 16.014 ns 16.217 ns 1.00 Base 0.00 - - - -
ParseHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 3039 16.295 ns 0.0336 ns 0.0298 ns 16.295 ns 16.236 ns 16.338 ns 1.01 Same 0.00 - - - -
Parse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 15.251 ns 0.0164 ns 0.0137 ns 15.251 ns 15.233 ns 15.269 ns 0.98 Same 0.00 - - - -
Parse Job-QVHRJM \baseline\Core_Root\corerun.exe 4 15.499 ns 0.0133 ns 0.0118 ns 15.495 ns 15.480 ns 15.522 ns 1.00 Base 0.00 - - - -
Parse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 15.141 ns 0.0289 ns 0.0241 ns 15.139 ns 15.098 ns 15.180 ns 0.98 Same 0.00 - - - -
ParseHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 10.518 ns 0.0060 ns 0.0047 ns 10.516 ns 10.513 ns 10.529 ns 0.97 Same 0.00 - - - -
ParseHex Job-QVHRJM \baseline\Core_Root\corerun.exe 4 10.828 ns 0.0252 ns 0.0211 ns 10.819 ns 10.815 ns 10.875 ns 1.00 Base 0.00 - - - -
ParseHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 10.844 ns 0.0936 ns 0.0830 ns 10.861 ns 10.557 ns 10.889 ns 1.00 Same 0.01 - - - -
TryParse Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 13.629 ns 0.0223 ns 0.0174 ns 13.630 ns 13.596 ns 13.662 ns 1.05 Same 0.00 - - - -
TryParse Job-QVHRJM \baseline\Core_Root\corerun.exe 4 13.042 ns 0.0208 ns 0.0174 ns 13.040 ns 13.018 ns 13.079 ns 1.00 Base 0.00 - - - -
TryParse Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 14.013 ns 0.0750 ns 0.0702 ns 14.026 ns 13.908 ns 14.131 ns 1.07 Same 0.01 - - - -
ParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 14.721 ns 0.3387 ns 0.3168 ns 14.878 ns 13.947 ns 15.026 ns 0.97 Same 0.02 - - - -
ParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 4 15.109 ns 0.1887 ns 0.1765 ns 15.113 ns 14.813 ns 15.381 ns 1.00 Base 0.00 - - - -
ParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 15.110 ns 0.2967 ns 0.2630 ns 15.222 ns 14.553 ns 15.400 ns 1.00 Same 0.02 - - - -
TryParseSpan Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 4 13.511 ns 0.0152 ns 0.0127 ns 13.509 ns 13.483 ns 13.531 ns 0.98 Same 0.00 - - - -
TryParseSpan Job-QVHRJM \baseline\Core_Root\corerun.exe 4 13.819 ns 0.0134 ns 0.0112 ns 13.819 ns 13.802 ns 13.841 ns 1.00 Base 0.00 - - - -
TryParseSpan Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 4 13.493 ns 0.0067 ns 0.0052 ns 13.492 ns 13.487 ns 13.506 ns 0.98 Same 0.00 - - - -
ParseHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 7FFFFFFF 23.781 ns 0.0225 ns 0.0199 ns 23.781 ns 23.743 ns 23.813 ns 1.01 Same 0.00 - - - -
ParseHex Job-QVHRJM \baseline\Core_Root\corerun.exe 7FFFFFFF 23.648 ns 0.0432 ns 0.0337 ns 23.661 ns 23.591 ns 23.683 ns 1.00 Base 0.00 - - - -
ParseHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 7FFFFFFF 23.729 ns 0.0246 ns 0.0192 ns 23.728 ns 23.702 ns 23.761 ns 1.00 Same 0.00 - - - -
ParseHex Job-JDYPAF \baseline-no-52893\Core_Root\corerun.exe 80000000 23.708 ns 0.0091 ns 0.0080 ns 23.709 ns 23.692 ns 23.720 ns 1.00 Same 0.00 - - - -
ParseHex Job-QVHRJM \baseline\Core_Root\corerun.exe 80000000 23.769 ns 0.0170 ns 0.0142 ns 23.768 ns 23.743 ns 23.799 ns 1.00 Base 0.00 - - - -
ParseHex Job-XFIGBI \diff-apply-57400\Core_Root\corerun.exe 80000000 23.587 ns 0.1120 ns 0.1048 ns 23.515 ns 23.476 ns 23.761 ns 0.99 Same 0.00 - - - -

@echesakov
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Contributor

The spmi-asmdiffs are also mostly positive with an exception of lclfldrem:Main():int that took pretty high hit on both linux-arm64 and windows-arm64.

I will take a look at the diff to understand what is going on.

benchmarks.run.windows.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 156732
Total bytes of diff: 155316
Total bytes of delta: -1416 (-0.90% of base)
Total relative delta: -0.79
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
        -304 : 8088.dasm (-1.21% of base)
        -216 : 12966.dasm (-1.11% of base)
         -80 : 12980.dasm (-0.75% of base)
         -80 : 8282.dasm (-0.75% of base)
         -48 : 7168.dasm (-3.03% of base)
         -44 : 19221.dasm (-3.42% of base)
         -44 : 10508.dasm (-2.75% of base)
         -44 : 9594.dasm (-0.79% of base)
         -40 : 5771.dasm (-1.55% of base)
         -40 : 19522.dasm (-0.73% of base)
         -32 : 13977.dasm (-2.43% of base)
         -32 : 5811.dasm (-2.31% of base)
         -28 : 2896.dasm (-1.19% of base)
         -28 : 5723.dasm (-1.16% of base)
         -24 : 5774.dasm (-1.62% of base)
         -24 : 21699.dasm (-1.29% of base)
         -24 : 21371.dasm (-1.56% of base)
         -16 : 6602.dasm (-0.28% of base)
         -12 : 22702.dasm (-0.57% of base)
         -12 : 21698.dasm (-0.94% of base)

58 total files with Code Size differences (58 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
        -304 (-1.21% of base) : 8088.dasm - DynamicClass:_DynamicMethod0(System.IO.TextWriter,MicroBenchmarks.Serializers.MyEventsListerItem,int)
        -216 (-1.11% of base) : 12966.dasm - DynamicClass:_DynamicMethod0(System.IO.TextWriter,MicroBenchmarks.Serializers.IndexViewModel,int)
         -80 (-0.75% of base) : 12980.dasm - Jil.Deserialize.Methods:ParseISO8601DateThunkReader(byref,System.Char[],int,int):System.DateTime
         -80 (-0.75% of base) : 8282.dasm - Jil.Deserialize.Methods:ParseISO8601Date(System.IO.TextReader,System.Char[],int,int):System.DateTime
         -48 (-3.03% of base) : 7168.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[Byte],byref):bool
         -44 (-3.42% of base) : 19221.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[Byte],byref):bool
         -44 (-2.75% of base) : 10508.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[Char],byref):bool
         -44 (-0.79% of base) : 9594.dasm - DynamicClass:_DynamicMethod0(System.IO.TextWriter,MicroBenchmarks.Serializers.CollectionsOfPrimitives,int)
         -40 (-1.55% of base) : 5771.dasm - System.TimeZoneInfo:GetIsDaylightSavingsFromUtc(System.DateTime,int,System.TimeSpan,AdjustmentRule,System.Nullable`1[Int32],byref,System.TimeZoneInfo):bool
         -40 (-0.73% of base) : 19522.dasm - Utf8Json.Formatters.ISO8601DateTimeFormatter:Deserialize(byref,Utf8Json.IJsonFormatterResolver):System.DateTime:this
         -32 (-2.43% of base) : 13977.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[Char],byref):bool
         -32 (-2.31% of base) : 5811.dasm - System.TimeZoneInfo:GetIsDaylightSavings(System.DateTime,AdjustmentRule,System.Globalization.DaylightTimeStruct):bool
         -28 (-1.19% of base) : 2896.dasm - System.Globalization.TimeSpanFormat:TryFormatStandard(System.TimeSpan,int,System.String,System.Span`1[Char],byref):bool
         -28 (-1.16% of base) : 5723.dasm - System.TimeZoneInfo:TryCreateAdjustmentRules(System.String,byref,byref,byref,int):bool
         -24 (-1.62% of base) : 5774.dasm - System.TimeZoneInfo:TransitionTimeToDateTime(int,TransitionTime):System.DateTime
         -24 (-1.29% of base) : 21699.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTime
         -24 (-1.56% of base) : 21371.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
         -16 (-0.28% of base) : 6602.dasm - System.DateTimeFormat:FormatCustomized(System.DateTime,System.ReadOnlySpan`1[Char],System.Globalization.DateTimeFormatInfo,System.TimeSpan,System.Text.StringBuilder):System.Text.StringBuilder
         -12 (-0.57% of base) : 22702.dasm - System.Xml.XmlConverter:TryParseDateTime(System.Byte[],int,int,byref):bool
         -12 (-0.94% of base) : 21698.dasm - System.Xml.XmlConvert:ToDateTime(System.String,int):System.DateTime

Top method improvements (percentages):
          -4 (-4.35% of base) : 8100.dasm - System.DateTime:get_Hour():int:this
          -4 (-3.85% of base) : 949.dasm - System.Number:UInt32ToDecChars(long,int,int):long
          -4 (-3.85% of base) : 6614.dasm - System.Number:UInt32ToDecChars(long,int,int):long
         -44 (-3.42% of base) : 19221.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[Byte],byref):bool
         -48 (-3.03% of base) : 7168.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[Byte],byref):bool
         -44 (-2.75% of base) : 10508.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[Char],byref):bool
          -8 (-2.50% of base) : 1114.dasm - System.DateTime:.ctor(int,int,int):this
         -12 (-2.50% of base) : 12922.dasm - BenchmarksGame.Fasta_1:SelectNucleotides(BenchmarksGame.Fasta_1+Frequency[],System.Int32[]):System.Byte[]
         -32 (-2.43% of base) : 13977.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[Char],byref):bool
         -32 (-2.31% of base) : 5811.dasm - System.TimeZoneInfo:GetIsDaylightSavings(System.DateTime,AdjustmentRule,System.Globalization.DaylightTimeStruct):bool
          -4 (-2.17% of base) : 6866.dasm - System.DateTime:DaysInMonth(int,int):int
          -8 (-2.17% of base) : 22787.dasm - System.Globalization.JapaneseCalendar:GetJapaneseEraStartDate(int,byref):bool
          -8 (-2.04% of base) : 3685.dasm - Microsoft.Extensions.DependencyInjection.DependencyInjectionEventSource:CallSiteBuilt(Microsoft.Extensions.DependencyInjection.ServiceProvider,System.Type,Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceCallSite):this
          -8 (-1.98% of base) : 1102.dasm - System.DateTime:CreateDateTimeFromSystemTime(byref,long):System.DateTime
          -8 (-1.79% of base) : 1993.dasm - System.DateTime:GetDate(byref,byref,byref):this
          -8 (-1.64% of base) : 5674.dasm - System.DateTime:GetDatePart(int):int:this
         -24 (-1.62% of base) : 5774.dasm - System.TimeZoneInfo:TransitionTimeToDateTime(int,TransitionTime):System.DateTime
         -24 (-1.56% of base) : 21371.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
         -40 (-1.55% of base) : 5771.dasm - System.TimeZoneInfo:GetIsDaylightSavingsFromUtc(System.DateTime,int,System.TimeSpan,AdjustmentRule,System.Nullable`1[Int32],byref,System.TimeZoneInfo):bool
          -8 (-1.50% of base) : 1992.dasm - System.DateTime:AddYears(int):System.DateTime:this

58 total methods with Code Size differences (58 improved, 0 regressed), 0 unchanged.

coreclr_tests.pmi.windows.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 358676
Total bytes of diff: 358632
Total bytes of delta: -44 (-0.01% of base)
Total relative delta: -0.97
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file regressions (bytes):
         352 : 225381.dasm (1.39% of base)

Top file improvements (bytes):
        -220 : 218513.dasm (-0.14% of base)
         -56 : 218413.dasm (-0.04% of base)
         -12 : 239427.dasm (-2.54% of base)
          -8 : 225371.dasm (-0.03% of base)
          -4 : 134702.dasm (-0.74% of base)
          -4 : 233820.dasm (-0.14% of base)
          -4 : 253577.dasm (-1.33% of base)
          -4 : 87100.dasm (-0.98% of base)
          -4 : 242584.dasm (-4.00% of base)
          -4 : 135112.dasm (-0.85% of base)
          -4 : 223970.dasm (-0.75% of base)
          -4 : 84819.dasm (-0.32% of base)
          -4 : 242898.dasm (-6.67% of base)
          -4 : 84803.dasm (-0.58% of base)
          -4 : 242900.dasm (-6.25% of base)
          -4 : 84840.dasm (-0.65% of base)
          -4 : 242924.dasm (-8.33% of base)
          -4 : 242926.dasm (-8.33% of base)
          -4 : 242928.dasm (-8.33% of base)
          -4 : 84781.dasm (-0.60% of base)

30 total files with Code Size differences (29 improved, 1 regressed), 0 unchanged.

Top method regressions (bytes):
         352 ( 1.39% of base) : 225381.dasm - lclfldrem:Main():int

Top method improvements (bytes):
        -220 (-0.14% of base) : 218513.dasm - u4rem:Main():int
         -56 (-0.04% of base) : 218413.dasm - u4div:Main():int
         -12 (-2.54% of base) : 239427.dasm - BenchmarksGame.Fasta_1:SelectNucleotides(BenchmarksGame.Fasta_1+Frequency[],System.Int32[]):System.Byte[]
          -8 (-0.03% of base) : 225371.dasm - lclfldrem:Main():int
          -4 (-0.74% of base) : 134702.dasm - testout1:Func_0_3_6_4_4():long
          -4 (-0.14% of base) : 233820.dasm - MemoryAlloc:SteadyState():this
          -4 (-1.33% of base) : 253577.dasm - Test:Main(System.String[]):int
          -4 (-0.98% of base) : 87100.dasm - ILGEN_0xa83217d:Method_0xf3555db(long,long,int,int,short,byte):int
          -4 (-4.00% of base) : 242584.dasm - Tests:ModInBounds(System.Int32[],int)
          -4 (-0.85% of base) : 135112.dasm - testout1:Func_0_6_1_3_3():double
          -4 (-0.75% of base) : 223970.dasm - SoDBench.Program:DeleteDirectory(System.IO.DirectoryInfo,int)
          -4 (-0.32% of base) : 84819.dasm - ILGEN_0xbc077bd:Method_0xa67f86e1(long,double,short,int,float,int,short,int,int):int
          -4 (-6.67% of base) : 242898.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns5(System.Int32[]):int
          -4 (-0.58% of base) : 84803.dasm - ILGEN_0xc2d6ebd8:Method_0x6228(ushort,short,int,long,short,long,int):int
          -4 (-6.25% of base) : 242900.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns10(System.Int32[]):int
          -4 (-0.65% of base) : 84840.dasm - ILGEN_0xd4820a77:Method_0x1a2ad58f(ubyte,long,byte,float):int
          -4 (-8.33% of base) : 242924.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns3(System.Int32[]):int
          -4 (-8.33% of base) : 242926.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns5(System.Int32[]):int
          -4 (-8.33% of base) : 242928.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns10(System.Int32[]):int
          -4 (-0.60% of base) : 84781.dasm - ILGEN_0xcd4c3cc0:main():int

Top method regressions (percentages):
         352 ( 1.39% of base) : 225381.dasm - lclfldrem:Main():int

Top method improvements (percentages):
          -4 (-9.09% of base) : 246881.dasm - UDivConst:U4_Div_3(int):int
          -4 (-9.09% of base) : 246882.dasm - UDivConst:U4_Div_5(int):int
          -4 (-8.33% of base) : 242924.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns3(System.Int32[]):int
          -4 (-8.33% of base) : 242926.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns5(System.Int32[]):int
          -4 (-8.33% of base) : 242928.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns10(System.Int32[]):int
          -4 (-7.14% of base) : 246913.dasm - UModConst:U4_Mod_3(int):int
          -4 (-7.14% of base) : 246914.dasm - UModConst:U4_Mod_5(int):int
          -4 (-6.67% of base) : 242898.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns5(System.Int32[]):int
          -4 (-6.67% of base) : 242950.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns3(System.Int32[]):int
          -4 (-6.25% of base) : 242900.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns10(System.Int32[]):int
          -4 (-4.00% of base) : 242584.dasm - Tests:ModInBounds(System.Int32[],int)
          -4 (-3.57% of base) : 85032.dasm - Runtime_55141_2:Main():int
         -12 (-2.54% of base) : 239427.dasm - BenchmarksGame.Fasta_1:SelectNucleotides(BenchmarksGame.Fasta_1+Frequency[],System.Int32[]):System.Byte[]
          -4 (-1.96% of base) : 87077.dasm - ILGEN_0x68eb95f0:Method_0x2dae(byte,int,long,byte,ushort,long):float
          -4 (-1.39% of base) : 249215.dasm - AA:Static4():System.Char[]
          -4 (-1.33% of base) : 253577.dasm - Test:Main(System.String[]):int
          -4 (-0.98% of base) : 87100.dasm - ILGEN_0xa83217d:Method_0xf3555db(long,long,int,int,short,byte):int
          -4 (-0.97% of base) : 87111.dasm - ILGEN_0x1ad7535f:Method_0x2ddbcfb4(short):int
          -4 (-0.85% of base) : 135112.dasm - testout1:Func_0_6_1_3_3():double
          -4 (-0.75% of base) : 223970.dasm - SoDBench.Program:DeleteDirectory(System.IO.DirectoryInfo,int)

30 total methods with Code Size differences (29 improved, 1 regressed), 0 unchanged.

libraries.crossgen2.windows.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 68796
Total bytes of diff: 67896
Total bytes of delta: -900 (-1.31% of base)
Total relative delta: -1.43
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -48 : 37620.dasm (-2.49% of base)
         -44 : 37622.dasm (-2.90% of base)
         -44 : 43749.dasm (-2.30% of base)
         -40 : 40598.dasm (-1.36% of base)
         -32 : 37621.dasm (-2.71% of base)
         -32 : 40601.dasm (-1.86% of base)
         -32 : 43748.dasm (-2.32% of base)
         -32 : 37619.dasm (-2.71% of base)
         -28 : 46416.dasm (-1.51% of base)
         -28 : 37922.dasm (-0.77% of base)
         -28 : 37590.dasm (-1.11% of base)
         -28 : 40567.dasm (-0.84% of base)
         -24 : 40590.dasm (-1.76% of base)
         -20 : 43751.dasm (-3.70% of base)
         -16 : 43750.dasm (-2.07% of base)
         -12 : 43753.dasm (-1.83% of base)
         -12 : 62321.dasm (-0.40% of base)
         -12 : 46406.dasm (-1.08% of base)
         -12 : 43752.dasm (-2.73% of base)
         -12 : 43746.dasm (-3.23% of base)

79 total files with Code Size differences (79 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -48 (-2.49% of base) : 37620.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
         -44 (-2.90% of base) : 37622.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
         -44 (-2.30% of base) : 43749.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -40 (-1.36% of base) : 40598.dasm - System.TimeZoneInfo:GetIsDaylightSavingsFromUtc(System.DateTime,int,System.TimeSpan,System.TimeZoneInfo+AdjustmentRule,System.Nullable`1[System.Int32],byref,System.TimeZoneInfo):bool
         -32 (-2.71% of base) : 37621.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeL(System.DateTime,System.Span`1[System.Byte],byref):bool
         -32 (-1.86% of base) : 40601.dasm - System.TimeZoneInfo:GetIsDaylightSavings(System.DateTime,System.TimeZoneInfo+AdjustmentRule,System.Globalization.DaylightTimeStruct):bool
         -32 (-2.32% of base) : 43748.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -32 (-2.71% of base) : 37619.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeR(System.DateTime,System.Span`1[System.Byte],byref):bool
         -28 (-1.51% of base) : 46416.dasm - DecCalc:ScaleResult(long,int,int):int
         -28 (-0.77% of base) : 37922.dasm - System.Globalization.TimeSpanFormat:TryFormatStandard(System.TimeSpan,int,System.String,System.Span`1[System.Char],byref):bool
         -28 (-1.11% of base) : 37590.dasm - System.Buffers.Text.Utf8Formatter:TryFormat(System.TimeSpan,System.Span`1[System.Byte],byref,System.Buffers.StandardFormat):bool
         -28 (-0.84% of base) : 40567.dasm - System.TimeZoneInfo:TryCreateAdjustmentRules(System.String,byref,byref,byref,int):bool
         -24 (-1.76% of base) : 40590.dasm - System.TimeZoneInfo:TransitionTimeToDateTime(int,System.TimeZoneInfo+TransitionTime):System.DateTime
         -20 (-3.70% of base) : 43751.dasm - System.DateTimeFormat:TryFormatDateOnlyO(int,int,int,System.Span`1[System.Char]):bool
         -16 (-2.07% of base) : 43750.dasm - System.DateTimeFormat:TryFormatDateOnlyR(int,int,int,int,System.Span`1[System.Char]):bool
         -12 (-1.83% of base) : 43753.dasm - System.DateTimeFormat:TryFormatTimeOnlyO(int,int,int,long,System.Span`1[System.Char]):bool
         -12 (-0.40% of base) : 62321.dasm - BigNumber:DblToRgbFast(double,System.Byte[],byref,byref):bool
         -12 (-1.08% of base) : 46406.dasm - DecCalc:VarDecFromR4(float,byref)
         -12 (-2.73% of base) : 43752.dasm - System.DateTimeFormat:TryFormatTimeOnlyR(int,int,int,System.Span`1[System.Char]):bool
         -12 (-3.23% of base) : 43746.dasm - System.DateTimeFormat:WriteFourDecimalDigits(int,System.Span`1[System.Char],int)

Top method improvements (percentages):
          -4 (-7.14% of base) : 212246.dasm - System.Net.Sockets.IOControlKeepAlive:MillisecondsToSeconds(int):int
          -4 (-4.76% of base) : 44209.dasm - System.DateTime:DaysToYear(int):int
          -4 (-3.85% of base) : 37634.dasm - System.Buffers.Text.FormattingHelpers:CountDecimalTrailingZeros(int,byref):int
          -4 (-3.85% of base) : 44184.dasm - System.DateTime:get_Hour():int:this
         -20 (-3.70% of base) : 43751.dasm - System.DateTimeFormat:TryFormatDateOnlyO(int,int,int,System.Span`1[System.Char]):bool
          -8 (-3.51% of base) : 212250.dasm - System.Net.Sockets.IOControlKeepAlive:Get(System.Net.Sockets.SafeSocketHandle,int):int
          -4 (-3.45% of base) : 42703.dasm - System.Number:UInt32ToDecChars(long,int,int):long
          -4 (-3.45% of base) : 42702.dasm - System.Number:UInt32ToDecChars(long,int,int):long
         -12 (-3.37% of base) : 37628.dasm - System.Buffers.Text.FormattingHelpers:WriteFourDecimalDigits(int,System.Span`1[System.Byte],int)
         -12 (-3.23% of base) : 43746.dasm - System.DateTimeFormat:WriteFourDecimalDigits(int,System.Span`1[System.Char],int)
          -4 (-3.03% of base) : 164025.dasm - Number:Int32ToDecChars(long,byref,int,int)
         -44 (-2.90% of base) : 37622.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
          -8 (-2.90% of base) : 37662.dasm - System.Buffers.StandardFormat:Format(System.Span`1[System.Char]):int:this
         -12 (-2.73% of base) : 43752.dasm - System.DateTimeFormat:TryFormatTimeOnlyR(int,int,int,System.Span`1[System.Char]):bool
         -32 (-2.71% of base) : 37621.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeL(System.DateTime,System.Span`1[System.Byte],byref):bool
         -32 (-2.71% of base) : 37619.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeR(System.DateTime,System.Span`1[System.Byte],byref):bool
         -48 (-2.49% of base) : 37620.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
          -4 (-2.44% of base) : 44172.dasm - System.DateTime:IsLeapYear(int):bool
         -32 (-2.32% of base) : 43748.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -44 (-2.30% of base) : 43749.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool

79 total methods with Code Size differences (79 improved, 0 regressed), 0 unchanged.

libraries.pmi.windows.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 97564
Total bytes of diff: 96888
Total bytes of delta: -676 (-0.69% of base)
Total relative delta: -0.85
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -32 : 130561.dasm (-0.90% of base)
         -32 : 130558.dasm (-0.95% of base)
         -24 : 130828.dasm (-1.27% of base)
         -24 : 130829.dasm (-1.55% of base)
         -16 : 130617.dasm (-0.39% of base)
         -16 : 130659.dasm (-0.40% of base)
         -12 : 180422.dasm (-0.27% of base)
         -12 : 131318.dasm (-0.30% of base)
         -12 : 123794.dasm (-1.61% of base)
         -12 : 123795.dasm (-1.44% of base)
          -8 : 130433.dasm (-0.97% of base)
          -8 : 133599.dasm (-0.41% of base)
          -8 : 58274.dasm (-0.21% of base)
          -8 : 130426.dasm (-0.95% of base)
          -8 : 210010.dasm (-0.27% of base)
          -8 : 201097.dasm (-3.28% of base)
          -8 : 105000.dasm (-1.19% of base)
          -8 : 130431.dasm (-0.97% of base)
          -8 : 130594.dasm (-0.69% of base)
          -8 : 130438.dasm (-0.95% of base)

83 total files with Code Size differences (83 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -32 (-0.90% of base) : 130561.dasm - System.Xml.Schema.XmlDateTimeConverter:ToDateTimeOffset(System.String):System.DateTimeOffset:this
         -32 (-0.95% of base) : 130558.dasm - System.Xml.Schema.XmlDateTimeConverter:ToDateTime(System.String):System.DateTime:this
         -24 (-1.27% of base) : 130828.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTime
         -24 (-1.55% of base) : 130829.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
         -16 (-0.39% of base) : 130617.dasm - System.Xml.Schema.XmlUntypedConverter:ChangeType(System.String,System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this
         -16 (-0.40% of base) : 130659.dasm - System.Xml.Schema.XmlUntypedStringConverter:FromString(System.String,System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this
         -12 (-0.27% of base) : 180422.dasm - System.Formats.Asn1.AsnDecoder:ParseGeneralizedTime(int,System.ReadOnlySpan`1[Byte]):System.DateTimeOffset
         -12 (-0.30% of base) : 131318.dasm - BigNumber:DblToRgbFast(double,System.Byte[],byref,byref):bool
         -12 (-1.61% of base) : 123794.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTime):int
         -12 (-1.44% of base) : 123795.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTimeOffset):int
          -8 (-0.97% of base) : 130433.dasm - System.Xml.Schema.XmlBaseConverter:StringToGYear(System.String):System.DateTime
          -8 (-0.41% of base) : 133599.dasm - System.Xml.Xsl.Runtime.XmlQueryRuntime:ChangeTypeXsltArgument(System.Xml.Xsl.XmlQueryType,System.Object,System.Type):System.Object:this
          -8 (-0.21% of base) : 58274.dasm - Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.Scanner:ScanDateLiteral(Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.SyntaxList`1[[Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.VisualBasicSyntaxNode, Microsoft.CodeAnalysis.VisualBasic, Version=1.1.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]):Microsoft.CodeAnalysis.VisualBasic.Syntax.InternalSyntax.SyntaxToken:this
          -8 (-0.95% of base) : 130426.dasm - System.Xml.Schema.XmlBaseConverter:UntypedAtomicToDateTimeOffset(System.String):System.DateTimeOffset
          -8 (-0.27% of base) : 210010.dasm - System.Numerics.BigNumber:FormatBigInteger(bool,System.Numerics.BigInteger,System.String,System.ReadOnlySpan`1[Char],System.Globalization.NumberFormatInfo,System.Span`1[Char],byref,byref):System.String
          -8 (-3.28% of base) : 201097.dasm - System.Net.Sockets.IOControlKeepAlive:Get(System.Net.Sockets.SafeSocketHandle,int):int
          -8 (-1.19% of base) : 105000.dasm - Newtonsoft.Json.Utilities.DateTimeUtils:CreateDateTime(Newtonsoft.Json.Utilities.DateTimeParser):System.DateTime
          -8 (-0.97% of base) : 130431.dasm - System.Xml.Schema.XmlBaseConverter:StringToGMonth(System.String):System.DateTime
          -8 (-0.69% of base) : 130594.dasm - System.Xml.Schema.XmlUntypedConverter:ToDateTimeOffset(System.Object):System.DateTimeOffset:this
          -8 (-0.95% of base) : 130438.dasm - System.Xml.Schema.XmlBaseConverter:StringToGMonthOffset(System.String):System.DateTimeOffset

Top method improvements (percentages):
          -4 (-9.09% of base) : 201101.dasm - System.Net.Sockets.IOControlKeepAlive:MillisecondsToSeconds(int):int
          -4 (-3.33% of base) : 209770.dasm - Number:Int32ToDecChars(long,byref,int,int)
          -8 (-3.28% of base) : 201097.dasm - System.Net.Sockets.IOControlKeepAlive:Get(System.Net.Sockets.SafeSocketHandle,int):int
          -8 (-2.08% of base) : 145681.dasm - Microsoft.Extensions.DependencyInjection.DependencyInjectionEventSource:CallSiteBuilt(Microsoft.Extensions.DependencyInjection.ServiceProvider,System.Type,Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceCallSite):this
          -8 (-1.92% of base) : 169690.dasm - System.Data.ProviderBase.DbBuffer:ReadDate(int):System.DateTime:this
          -8 (-1.92% of base) : 168395.dasm - System.Data.ProviderBase.DbBuffer:ReadDate(int):System.DateTime:this
         -12 (-1.61% of base) : 123794.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTime):int
         -24 (-1.55% of base) : 130829.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
          -4 (-1.47% of base) : 104381.dasm - Newtonsoft.Json.JsonTextWriter:WriteNumberToBuffer(int,bool):int:this
         -12 (-1.44% of base) : 123795.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTimeOffset):int
          -8 (-1.41% of base) : 130813.dasm - System.Xml.Schema.XsdDateTime:InitiateXsdDateTime(Parser):this
          -8 (-1.33% of base) : 130838.dasm - System.Xml.Schema.XsdDateTime:.ctor(Parser):this
          -8 (-1.32% of base) : 123810.dasm - System.Xml.BinXmlDateTime:XsdDateToDateTime(long):System.DateTime
          -8 (-1.28% of base) : 145686.dasm - Microsoft.Extensions.DependencyInjection.DependencyInjectionEventSource:WriteServiceProviderBuilt(Microsoft.Extensions.DependencyInjection.ServiceProvider):this
         -24 (-1.27% of base) : 130828.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTime
          -4 (-1.23% of base) : 181279.dasm - System.IO.Compression.ZipHelper:DateTimeToDosTime(System.DateTime):int
          -4 (-1.20% of base) : 123787.dasm - System.Xml.BinXmlDateTime:XsdKatmaiTimeToString(System.Byte[],int):System.String
          -8 (-1.19% of base) : 105000.dasm - Newtonsoft.Json.Utilities.DateTimeUtils:CreateDateTime(Newtonsoft.Json.Utilities.DateTimeParser):System.DateTime
          -8 (-1.19% of base) : 150718.dasm - Newtonsoft.Json.Bson.Utilities.DateTimeUtils:CreateDateTime(Newtonsoft.Json.Bson.Utilities.DateTimeParser):System.DateTime
          -8 (-1.18% of base) : 169694.dasm - System.Data.ProviderBase.DbBuffer:ReadDateTime(int):System.DateTime:this

83 total methods with Code Size differences (83 improved, 0 regressed), 0 unchanged.

libraries_tests.pmi.windows.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 346404
Total bytes of diff: 341864
Total bytes of delta: -4540 (-1.31% of base)
Total relative delta: -13.37
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -56 : 293569.dasm (-1.79% of base)
         -48 : 79168.dasm (-0.24% of base)
         -40 : 293554.dasm (-1.42% of base)
         -40 : 293558.dasm (-1.42% of base)
         -40 : 293565.dasm (-0.87% of base)
         -32 : 324658.dasm (-1.11% of base)
         -32 : 323956.dasm (-1.10% of base)
         -20 : 73882.dasm (-0.45% of base)
         -20 : 293356.dasm (-2.27% of base)
         -16 : 324657.dasm (-0.31% of base)
         -16 : 323955.dasm (-0.31% of base)
         -16 : 73714.dasm (-0.74% of base)
         -12 : 79209.dasm (-1.28% of base)
         -12 : 73884.dasm (-0.34% of base)
         -12 : 79195.dasm (-1.16% of base)
         -12 : 293244.dasm (-1.90% of base)
         -12 : 309295.dasm (-1.73% of base)
         -12 : 75094.dasm (-0.81% of base)
          -8 : 252076.dasm (-2.90% of base)
          -8 : 252101.dasm (-2.90% of base)

583 total files with Code Size differences (583 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -56 (-1.79% of base) : 293569.dasm - <GetYear_TestData>d__0:MoveNext():bool:this
         -48 (-0.24% of base) : 79168.dasm - <ParseExact_ValidInput_Succeeds_MemberData>d__149:MoveNext():bool:this
         -40 (-1.42% of base) : 293554.dasm - <GetEra_TestData>d__0:MoveNext():bool:this
         -40 (-1.42% of base) : 293558.dasm - <GetMonth_TestData>d__0:MoveNext():bool:this
         -40 (-0.87% of base) : 293565.dasm - <GetWeekOfYear_TestData>d__6:MoveNext():bool:this
         -32 (-1.11% of base) : 324658.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForDateTimeFormat()
         -32 (-1.10% of base) : 323956.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForDateTimeFormat()
         -20 (-0.45% of base) : 73882.dasm - System.Tests.DateTimeOffsetTests:Ctor_DateTime()
         -20 (-2.27% of base) : 293356.dasm - System.Globalization.Tests.TaiwanCalendarGetWeekOfYear:GetWeekOfYear_LastDayOfYear():this
         -16 (-0.31% of base) : 324657.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForFormatStringDCJsonSerSettings()
         -16 (-0.31% of base) : 323955.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForFormatStringDCJsonSerSettings()
         -16 (-0.74% of base) : 73714.dasm - System.Tests.DateTimeTests:Today_Get_ReturnsExpected():this
         -12 (-1.28% of base) : 79209.dasm - <>c__DisplayClass6_0:<Ctor_DateTime_TimeSpan_Invalid>b__7():System.Object:this
         -12 (-0.34% of base) : 73884.dasm - System.Tests.DateTimeOffsetTests:Ctor_DateTime_TimeSpan()
         -12 (-1.16% of base) : 79195.dasm - <>c__DisplayClass4_0:<Ctor_DateTime_Invalid>b__0():System.Object:this
         -12 (-1.90% of base) : 293244.dasm - System.Globalization.Tests.GregorianCalendarIsLeapYear:IsLeapYearTest(int):this
         -12 (-1.73% of base) : 309295.dasm - System.Net.Primitives.Functional.Tests.CookieTest:Timestamp_GetSet_Success()
         -12 (-0.81% of base) : 75094.dasm - System.Tests.TimeZoneTests:TransitionTimeToDateTime(int,TransitionTime):System.DateTime
          -8 (-2.90% of base) : 252076.dasm - April:get_The17th():System.DateTime
          -8 (-2.90% of base) : 252101.dasm - May:get_The11th():System.DateTime

Top method improvements (percentages):
          -8 (-3.23% of base) : 251310.dasm - Humanizer.In:SeptemberOf(int):System.DateTime
          -8 (-3.23% of base) : 251296.dasm - Humanizer.In:FebruaryOf(int):System.DateTime
          -8 (-3.23% of base) : 251314.dasm - Humanizer.In:NovemberOf(int):System.DateTime
          -8 (-3.23% of base) : 251302.dasm - Humanizer.In:MayOf(int):System.DateTime
          -8 (-3.23% of base) : 251316.dasm - Humanizer.In:DecemberOf(int):System.DateTime
          -8 (-3.23% of base) : 251300.dasm - Humanizer.In:AprilOf(int):System.DateTime
          -8 (-3.23% of base) : 251304.dasm - Humanizer.In:JuneOf(int):System.DateTime
          -8 (-3.23% of base) : 251293.dasm - Humanizer.In:TheYear(int):System.DateTime
          -8 (-3.23% of base) : 251312.dasm - Humanizer.In:OctoberOf(int):System.DateTime
          -8 (-3.23% of base) : 251308.dasm - Humanizer.In:AugustOf(int):System.DateTime
          -8 (-3.23% of base) : 251306.dasm - Humanizer.In:JulyOf(int):System.DateTime
          -8 (-3.23% of base) : 251298.dasm - Humanizer.In:MarchOf(int):System.DateTime
          -8 (-2.99% of base) : 246728.dasm - FluentAssertions.FluentDateTimeExtensions:March(int,int):System.DateTime
          -8 (-2.99% of base) : 246731.dasm - FluentAssertions.FluentDateTimeExtensions:June(int,int):System.DateTime
          -8 (-2.99% of base) : 251294.dasm - Humanizer.In:get_January():System.DateTime
          -8 (-2.99% of base) : 251305.dasm - Humanizer.In:get_July():System.DateTime
          -8 (-2.99% of base) : 246736.dasm - FluentAssertions.FluentDateTimeExtensions:November(int,int):System.DateTime
          -8 (-2.99% of base) : 251303.dasm - Humanizer.In:get_June():System.DateTime
          -8 (-2.99% of base) : 246726.dasm - FluentAssertions.FluentDateTimeExtensions:January(int,int):System.DateTime
          -8 (-2.99% of base) : 251309.dasm - Humanizer.In:get_September():System.DateTime

583 total methods with Code Size differences (583 improved, 0 regressed), 0 unchanged.

coreclr_tests.pmi.Linux.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 357444
Total bytes of diff: 358644
Total bytes of delta: 1200 (0.34% of base)
Total relative delta: -0.93
    diff is a regression.
    relative diff is an improvement.
Detail diffs 


Top file regressions (bytes):
         712 : 227461.dasm (2.84% of base)
         712 : 229521.dasm (2.87% of base)

Top file improvements (bytes):
         -56 : 212961.dasm (-0.04% of base)
         -56 : 221323.dasm (-0.04% of base)
         -12 : 238045.dasm (-2.54% of base)
          -4 : 243599.dasm (-6.67% of base)
          -4 : 85864.dasm (-0.97% of base)
          -4 : 128215.dasm (-0.74% of base)
          -4 : 216414.dasm (-0.75% of base)
          -4 : 84608.dasm (-0.57% of base)
          -4 : 128625.dasm (-0.85% of base)
          -4 : 243601.dasm (-6.25% of base)
          -4 : 86755.dasm (-2.00% of base)
          -4 : 251938.dasm (-1.33% of base)
          -4 : 243625.dasm (-8.33% of base)
          -4 : 243627.dasm (-8.33% of base)
          -4 : 243629.dasm (-8.33% of base)
          -4 : 243651.dasm (-6.67% of base)
          -4 : 250064.dasm (-9.09% of base)
          -4 : 245536.dasm (-0.14% of base)
          -4 : 84544.dasm (-0.65% of base)
          -4 : 246854.dasm (-1.39% of base)

30 total files with Code Size differences (28 improved, 2 regressed), 0 unchanged.

Top method regressions (bytes):
         712 ( 2.84% of base) : 227461.dasm - lclfldrem:Main():int
         712 ( 2.87% of base) : 229521.dasm - lclfldrem:Main():int

Top method improvements (bytes):
         -56 (-0.04% of base) : 212961.dasm - u4div:Main():int
         -56 (-0.04% of base) : 221323.dasm - u4rem:Main():int
         -12 (-2.54% of base) : 238045.dasm - BenchmarksGame.Fasta_1:SelectNucleotides(BenchmarksGame.Fasta_1+Frequency[],System.Int32[]):System.Byte[]
          -4 (-6.67% of base) : 243599.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns5(System.Int32[]):int
          -4 (-0.97% of base) : 85864.dasm - ILGEN_0x1ad7535f:Method_0x2ddbcfb4(short):int
          -4 (-0.74% of base) : 128215.dasm - testout1:Func_0_3_6_4_4():long
          -4 (-0.75% of base) : 216414.dasm - SoDBench.Program:DeleteDirectory(System.IO.DirectoryInfo,int)
          -4 (-0.57% of base) : 84608.dasm - ILGEN_0xc2d6ebd8:Method_0x6228(ushort,short,int,long,short,long,int):int
          -4 (-0.85% of base) : 128625.dasm - testout1:Func_0_6_1_3_3():double
          -4 (-6.25% of base) : 243601.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns10(System.Int32[]):int
          -4 (-2.00% of base) : 86755.dasm - ILGEN_0x68eb95f0:Method_0x2dae(byte,int,long,byte,ushort,long):float
          -4 (-1.33% of base) : 251938.dasm - Test:Main(System.String[]):int
          -4 (-8.33% of base) : 243625.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns3(System.Int32[]):int
          -4 (-8.33% of base) : 243627.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns5(System.Int32[]):int
          -4 (-8.33% of base) : 243629.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns10(System.Int32[]):int
          -4 (-6.67% of base) : 243651.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns3(System.Int32[]):int
          -4 (-9.09% of base) : 250064.dasm - UDivConst:U4_Div_5(int):int
          -4 (-0.14% of base) : 245536.dasm - MemoryAlloc:SteadyState():this
          -4 (-0.65% of base) : 84544.dasm - ILGEN_0xd4820a77:Method_0x1a2ad58f(ubyte,long,byte,float):int
          -4 (-1.39% of base) : 246854.dasm - AA:Static4():System.Char[]

Top method regressions (percentages):
         712 ( 2.87% of base) : 229521.dasm - lclfldrem:Main():int
         712 ( 2.84% of base) : 227461.dasm - lclfldrem:Main():int

Top method improvements (percentages):
          -4 (-9.09% of base) : 250064.dasm - UDivConst:U4_Div_5(int):int
          -4 (-9.09% of base) : 250063.dasm - UDivConst:U4_Div_3(int):int
          -4 (-8.33% of base) : 243625.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns3(System.Int32[]):int
          -4 (-8.33% of base) : 243627.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns5(System.Int32[]):int
          -4 (-8.33% of base) : 243629.dasm - ArrayLengthArithmeticTests:ArrayLengthDiv_cns10(System.Int32[]):int
          -4 (-7.14% of base) : 246891.dasm - UModConst:U4_Mod_3(int):int
          -4 (-7.14% of base) : 246892.dasm - UModConst:U4_Mod_5(int):int
          -4 (-6.67% of base) : 243599.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns5(System.Int32[]):int
          -4 (-6.67% of base) : 243651.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns3(System.Int32[]):int
          -4 (-6.25% of base) : 243601.dasm - ArrayLengthArithmeticTests:ArrayLengthMod_cns10(System.Int32[]):int
          -4 (-4.00% of base) : 235643.dasm - Tests:ModInBounds(System.Int32[],int)
          -4 (-3.57% of base) : 81810.dasm - Runtime_55141_2:Main():int
         -12 (-2.54% of base) : 238045.dasm - BenchmarksGame.Fasta_1:SelectNucleotides(BenchmarksGame.Fasta_1+Frequency[],System.Int32[]):System.Byte[]
          -4 (-2.00% of base) : 86755.dasm - ILGEN_0x68eb95f0:Method_0x2dae(byte,int,long,byte,ushort,long):float
          -4 (-1.39% of base) : 246854.dasm - AA:Static4():System.Char[]
          -4 (-1.33% of base) : 251938.dasm - Test:Main(System.String[]):int
          -4 (-0.97% of base) : 85864.dasm - ILGEN_0x1ad7535f:Method_0x2ddbcfb4(short):int
          -4 (-0.97% of base) : 87522.dasm - ILGEN_0xa83217d:Method_0xf3555db(long,long,int,int,short,byte):int
          -4 (-0.85% of base) : 128625.dasm - testout1:Func_0_6_1_3_3():double
          -4 (-0.75% of base) : 216414.dasm - SoDBench.Program:DeleteDirectory(System.IO.DirectoryInfo,int)

30 total methods with Code Size differences (28 improved, 2 regressed), 0 unchanged.

libraries.crossgen2.Linux.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 69452
Total bytes of diff: 68536
Total bytes of delta: -916 (-1.32% of base)
Total relative delta: -1.36
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -48 : 25882.dasm (-2.49% of base)
         -44 : 25884.dasm (-2.90% of base)
         -44 : 31960.dasm (-2.30% of base)
         -40 : 28832.dasm (-1.36% of base)
         -32 : 28835.dasm (-1.86% of base)
         -32 : 25883.dasm (-2.71% of base)
         -32 : 31959.dasm (-2.32% of base)
         -32 : 25881.dasm (-2.71% of base)
         -32 : 28811.dasm (-0.74% of base)
         -28 : 26184.dasm (-0.77% of base)
         -28 : 34583.dasm (-1.51% of base)
         -28 : 25852.dasm (-1.11% of base)
         -24 : 28824.dasm (-1.76% of base)
         -20 : 31962.dasm (-3.70% of base)
         -16 : 26713.dasm (-1.58% of base)
         -16 : 31961.dasm (-2.07% of base)
         -12 : 5774.dasm (-0.40% of base)
         -12 : 26603.dasm (-1.28% of base)
         -12 : 31963.dasm (-2.73% of base)
         -12 : 32422.dasm (-1.60% of base)

78 total files with Code Size differences (78 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -48 (-2.49% of base) : 25882.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
         -44 (-2.90% of base) : 25884.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
         -44 (-2.30% of base) : 31960.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -40 (-1.36% of base) : 28832.dasm - System.TimeZoneInfo:GetIsDaylightSavingsFromUtc(System.DateTime,int,System.TimeSpan,System.TimeZoneInfo+AdjustmentRule,System.Nullable`1[System.Int32],byref,System.TimeZoneInfo):bool
         -32 (-1.86% of base) : 28835.dasm - System.TimeZoneInfo:GetIsDaylightSavings(System.DateTime,System.TimeZoneInfo+AdjustmentRule,System.Globalization.DaylightTimeStruct):bool
         -32 (-2.71% of base) : 25883.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeL(System.DateTime,System.Span`1[System.Byte],byref):bool
         -32 (-2.32% of base) : 31959.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -32 (-2.71% of base) : 25881.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeR(System.DateTime,System.Span`1[System.Byte],byref):bool
         -32 (-0.74% of base) : 28811.dasm - System.TimeZoneInfo:GetAdjustmentRules():System.TimeZoneInfo+AdjustmentRule[]:this
         -28 (-0.77% of base) : 26184.dasm - System.Globalization.TimeSpanFormat:TryFormatStandard(System.TimeSpan,int,System.String,System.Span`1[System.Char],byref):bool
         -28 (-1.51% of base) : 34583.dasm - DecCalc:ScaleResult(long,int,int):int
         -28 (-1.11% of base) : 25852.dasm - System.Buffers.Text.Utf8Formatter:TryFormat(System.TimeSpan,System.Span`1[System.Byte],byref,System.Buffers.StandardFormat):bool
         -24 (-1.76% of base) : 28824.dasm - System.TimeZoneInfo:TransitionTimeToDateTime(int,System.TimeZoneInfo+TransitionTime):System.DateTime
         -20 (-3.70% of base) : 31962.dasm - System.DateTimeFormat:TryFormatDateOnlyO(int,int,int,System.Span`1[System.Char]):bool
         -16 (-1.58% of base) : 26713.dasm - System.Globalization.HebrewCalendar:HebrewToGregorian(int,int,int,int,int,int,int):System.DateTime
         -16 (-2.07% of base) : 31961.dasm - System.DateTimeFormat:TryFormatDateOnlyR(int,int,int,int,System.Span`1[System.Char]):bool
         -12 (-0.40% of base) : 5774.dasm - BigNumber:DblToRgbFast(double,System.Byte[],byref,byref):bool
         -12 (-1.28% of base) : 26603.dasm - System.Globalization.ISOWeek:ToDateTime(int,int,int):System.DateTime
         -12 (-2.73% of base) : 31963.dasm - System.DateTimeFormat:TryFormatTimeOnlyR(int,int,int,System.Span`1[System.Char]):bool
         -12 (-1.60% of base) : 32422.dasm - System.DateTime:AddMonths(int):System.DateTime:this

Top method improvements (percentages):
          -4 (-4.76% of base) : 32413.dasm - System.DateTime:DaysToYear(int):int
          -4 (-3.85% of base) : 32388.dasm - System.DateTime:get_Hour():int:this
          -4 (-3.85% of base) : 25896.dasm - System.Buffers.Text.FormattingHelpers:CountDecimalTrailingZeros(int,byref):int
         -20 (-3.70% of base) : 31962.dasm - System.DateTimeFormat:TryFormatDateOnlyO(int,int,int,System.Span`1[System.Char]):bool
          -4 (-3.45% of base) : 30914.dasm - System.Number:UInt32ToDecChars(long,int,int):long
          -4 (-3.45% of base) : 30915.dasm - System.Number:UInt32ToDecChars(long,int,int):long
         -12 (-3.37% of base) : 25890.dasm - System.Buffers.Text.FormattingHelpers:WriteFourDecimalDigits(int,System.Span`1[System.Byte],int)
         -12 (-3.23% of base) : 31957.dasm - System.DateTimeFormat:WriteFourDecimalDigits(int,System.Span`1[System.Char],int)
          -4 (-3.03% of base) : 197790.dasm - Number:Int32ToDecChars(long,byref,int,int)
         -44 (-2.90% of base) : 25884.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeG(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
          -8 (-2.90% of base) : 25924.dasm - System.Buffers.StandardFormat:Format(System.Span`1[System.Char]):int:this
         -12 (-2.73% of base) : 31963.dasm - System.DateTimeFormat:TryFormatTimeOnlyR(int,int,int,System.Span`1[System.Char]):bool
         -32 (-2.71% of base) : 25883.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeL(System.DateTime,System.Span`1[System.Byte],byref):bool
         -32 (-2.71% of base) : 25881.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeR(System.DateTime,System.Span`1[System.Byte],byref):bool
         -48 (-2.49% of base) : 25882.dasm - System.Buffers.Text.Utf8Formatter:TryFormatDateTimeO(System.DateTime,System.TimeSpan,System.Span`1[System.Byte],byref):bool
          -4 (-2.44% of base) : 32376.dasm - System.DateTime:IsLeapYear(int):bool
         -32 (-2.32% of base) : 31959.dasm - System.DateTimeFormat:TryFormatR(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
         -44 (-2.30% of base) : 31960.dasm - System.DateTimeFormat:TryFormatO(System.DateTime,System.TimeSpan,System.Span`1[System.Char],byref):bool
          -8 (-2.25% of base) : 27426.dasm - System.Globalization.CalendricalCalculationsHelper:CenturiesFrom1900(int):double
          -4 (-2.13% of base) : 32395.dasm - System.DateTime:GetTime(byref,byref,byref):this

78 total methods with Code Size differences (78 improved, 0 regressed), 0 unchanged.

libraries.pmi.Linux.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 102260
Total bytes of diff: 101644
Total bytes of delta: -616 (-0.60% of base)
Total relative delta: -0.71
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -24 : 122361.dasm (-1.55% of base)
         -24 : 122093.dasm (-0.92% of base)
         -24 : 122360.dasm (-1.27% of base)
         -24 : 122090.dasm (-0.98% of base)
         -16 : 122149.dasm (-0.41% of base)
         -16 : 122191.dasm (-0.41% of base)
         -12 : 115322.dasm (-1.59% of base)
         -12 : 210392.dasm (-0.28% of base)
         -12 : 122849.dasm (-0.30% of base)
         -12 : 115321.dasm (-1.82% of base)
          -8 : 121964.dasm (-1.03% of base)
          -8 : 33406.dasm (-0.67% of base)
          -8 : 121966.dasm (-1.03% of base)
          -8 : 121971.dasm (-1.01% of base)
          -8 : 121967.dasm (-1.01% of base)
          -8 : 115337.dasm (-1.31% of base)
          -8 : 121972.dasm (-1.01% of base)
          -8 : 121959.dasm (-1.03% of base)
          -8 : 121976.dasm (-1.03% of base)
          -8 : 122345.dasm (-1.48% of base)

76 total files with Code Size differences (76 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -24 (-1.55% of base) : 122361.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
         -24 (-0.92% of base) : 122093.dasm - System.Xml.Schema.XmlDateTimeConverter:ToDateTimeOffset(System.String):System.DateTimeOffset:this
         -24 (-1.27% of base) : 122360.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTime
         -24 (-0.98% of base) : 122090.dasm - System.Xml.Schema.XmlDateTimeConverter:ToDateTime(System.String):System.DateTime:this
         -16 (-0.41% of base) : 122149.dasm - System.Xml.Schema.XmlUntypedConverter:ChangeType(System.String,System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this
         -16 (-0.41% of base) : 122191.dasm - System.Xml.Schema.XmlUntypedStringConverter:FromString(System.String,System.Type,System.Xml.IXmlNamespaceResolver):System.Object:this
         -12 (-1.59% of base) : 115322.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTimeOffset):int
         -12 (-0.28% of base) : 210392.dasm - System.Formats.Asn1.AsnDecoder:ParseGeneralizedTime(int,System.ReadOnlySpan`1[Byte]):System.DateTimeOffset
         -12 (-0.30% of base) : 122849.dasm - BigNumber:DblToRgbFast(double,System.Byte[],byref,byref):bool
         -12 (-1.82% of base) : 115321.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTime):int
          -8 (-1.03% of base) : 121964.dasm - System.Xml.Schema.XmlBaseConverter:StringToGMonthDay(System.String):System.DateTime
          -8 (-0.67% of base) : 33406.dasm - Microsoft.VisualBasic.DateAndTime:DateSerial(int,int,int):System.DateTime
          -8 (-1.03% of base) : 121966.dasm - System.Xml.Schema.XmlBaseConverter:StringToGYearMonth(System.String):System.DateTime
          -8 (-1.01% of base) : 121971.dasm - System.Xml.Schema.XmlBaseConverter:StringToGMonthDayOffset(System.String):System.DateTimeOffset
          -8 (-1.01% of base) : 121967.dasm - System.Xml.Schema.XmlBaseConverter:StringToDateOffset(System.String):System.DateTimeOffset
          -8 (-1.31% of base) : 115337.dasm - System.Xml.BinXmlDateTime:XsdDateToDateTime(long):System.DateTime
          -8 (-1.01% of base) : 121972.dasm - System.Xml.Schema.XmlBaseConverter:StringToGYearOffset(System.String):System.DateTimeOffset
          -8 (-1.03% of base) : 121959.dasm - System.Xml.Schema.XmlBaseConverter:StringToDateTime(System.String):System.DateTime
          -8 (-1.03% of base) : 121976.dasm - System.Xml.Schema.XmlBaseConverter:StringToTime(System.String):System.DateTime
          -8 (-1.48% of base) : 122345.dasm - System.Xml.Schema.XsdDateTime:InitiateXsdDateTime(Parser):this

Top method improvements (percentages):
          -4 (-3.33% of base) : 194251.dasm - Number:Int32ToDecChars(long,byref,int,int)
          -8 (-2.08% of base) : 221230.dasm - Microsoft.Extensions.DependencyInjection.DependencyInjectionEventSource:CallSiteBuilt(Microsoft.Extensions.DependencyInjection.ServiceProvider,System.Type,Microsoft.Extensions.DependencyInjection.ServiceLookup.ServiceCallSite):this
          -8 (-1.94% of base) : 160242.dasm - System.Data.ProviderBase.DbBuffer:ReadDate(int):System.DateTime:this
         -12 (-1.82% of base) : 115321.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTime):int
         -12 (-1.59% of base) : 115322.dasm - System.Xml.BinXmlDateTime:GetFractions(System.DateTimeOffset):int
         -24 (-1.55% of base) : 122361.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTimeOffset
          -8 (-1.48% of base) : 122345.dasm - System.Xml.Schema.XsdDateTime:InitiateXsdDateTime(Parser):this
          -4 (-1.47% of base) : 135404.dasm - Newtonsoft.Json.JsonTextWriter:WriteNumberToBuffer(int,bool):int:this
          -8 (-1.44% of base) : 122370.dasm - System.Xml.Schema.XsdDateTime:.ctor(Parser):this
          -8 (-1.35% of base) : 136020.dasm - Newtonsoft.Json.Utilities.DateTimeUtils:CreateDateTime(Newtonsoft.Json.Utilities.DateTimeParser):System.DateTime
          -8 (-1.35% of base) : 164107.dasm - Newtonsoft.Json.Bson.Utilities.DateTimeUtils:CreateDateTime(Newtonsoft.Json.Bson.Utilities.DateTimeParser):System.DateTime
          -8 (-1.32% of base) : 221235.dasm - Microsoft.Extensions.DependencyInjection.DependencyInjectionEventSource:WriteServiceProviderBuilt(Microsoft.Extensions.DependencyInjection.ServiceProvider):this
          -8 (-1.31% of base) : 115337.dasm - System.Xml.BinXmlDateTime:XsdDateToDateTime(long):System.DateTime
          -8 (-1.31% of base) : 160246.dasm - System.Data.ProviderBase.DbBuffer:ReadDateTime(int):System.DateTime:this
         -24 (-1.27% of base) : 122360.dasm - System.Xml.Schema.XsdDateTime:op_Implicit(System.Xml.Schema.XsdDateTime):System.DateTime
          -4 (-1.23% of base) : 207341.dasm - System.IO.Compression.ZipHelper:DateTimeToDosTime(System.DateTime):int
          -4 (-1.20% of base) : 115314.dasm - System.Xml.BinXmlDateTime:XsdKatmaiTimeToString(System.Byte[],int):System.String
          -4 (-1.14% of base) : 33893.dasm - Microsoft.VisualBasic.VBMath:GetTimer():float
          -8 (-1.12% of base) : 122369.dasm - System.Xml.Schema.XsdDateTime:.ctor(System.String,int):this
          -8 (-1.10% of base) : 122346.dasm - System.Xml.Schema.XsdDateTime:TryParse(System.String,int,byref):bool

76 total methods with Code Size differences (76 improved, 0 regressed), 0 unchanged.

libraries_tests.pmi.Linux.arm64.checked.mch:


Summary of Code Size diffs:
(Lower is better)

Total bytes of base: 342340
Total bytes of diff: 337808
Total bytes of delta: -4532 (-1.32% of base)
Total relative delta: -13.54
    diff is an improvement.
    relative diff is an improvement.
Detail diffs 


Top file improvements (bytes):
         -56 : 310094.dasm (-1.81% of base)
         -48 : 49104.dasm (-0.24% of base)
         -40 : 310079.dasm (-1.43% of base)
         -40 : 310083.dasm (-1.43% of base)
         -40 : 310090.dasm (-0.87% of base)
         -32 : 275957.dasm (-1.11% of base)
         -32 : 287626.dasm (-1.10% of base)
         -20 : 43803.dasm (-0.46% of base)
         -20 : 309884.dasm (-2.28% of base)
         -16 : 287625.dasm (-0.30% of base)
         -16 : 275956.dasm (-0.30% of base)
         -16 : 43635.dasm (-0.76% of base)
         -12 : 43805.dasm (-0.34% of base)
         -12 : 49130.dasm (-1.27% of base)
         -12 : 295849.dasm (-1.64% of base)
         -12 : 309776.dasm (-1.90% of base)
         -12 : 49144.dasm (-1.42% of base)
         -12 : 45018.dasm (-0.81% of base)
          -8 : 139504.dasm (-3.03% of base)
          -8 : 292318.dasm (-3.28% of base)

581 total files with Code Size differences (581 improved, 0 regressed), 0 unchanged.

Top method improvements (bytes):
         -56 (-1.81% of base) : 310094.dasm - <GetYear_TestData>d__0:MoveNext():bool:this
         -48 (-0.24% of base) : 49104.dasm - <ParseExact_ValidInput_Succeeds_MemberData>d__149:MoveNext():bool:this
         -40 (-1.43% of base) : 310079.dasm - <GetEra_TestData>d__0:MoveNext():bool:this
         -40 (-1.43% of base) : 310083.dasm - <GetMonth_TestData>d__0:MoveNext():bool:this
         -40 (-0.87% of base) : 310090.dasm - <GetWeekOfYear_TestData>d__6:MoveNext():bool:this
         -32 (-1.11% of base) : 275957.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForDateTimeFormat()
         -32 (-1.10% of base) : 287626.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForDateTimeFormat()
         -20 (-0.46% of base) : 43803.dasm - System.Tests.DateTimeOffsetTests:Ctor_DateTime()
         -20 (-2.28% of base) : 309884.dasm - System.Globalization.Tests.TaiwanCalendarGetWeekOfYear:GetWeekOfYear_LastDayOfYear():this
         -16 (-0.30% of base) : 287625.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForFormatStringDCJsonSerSettings()
         -16 (-0.30% of base) : 275956.dasm - DataContractJsonSerializerTests:DCJS_VerifyDateTimeForFormatStringDCJsonSerSettings()
         -16 (-0.76% of base) : 43635.dasm - System.Tests.DateTimeTests:Today_Get_ReturnsExpected():this
         -12 (-0.34% of base) : 43805.dasm - System.Tests.DateTimeOffsetTests:Ctor_DateTime_TimeSpan()
         -12 (-1.27% of base) : 49130.dasm - <>c__DisplayClass4_0:<Ctor_DateTime_Invalid>b__0():System.Object:this
         -12 (-1.64% of base) : 295849.dasm - System.Net.Primitives.Functional.Tests.CookieTest:Timestamp_GetSet_Success()
         -12 (-1.90% of base) : 309776.dasm - System.Globalization.Tests.GregorianCalendarIsLeapYear:IsLeapYearTest(int):this
         -12 (-1.42% of base) : 49144.dasm - <>c__DisplayClass6_0:<Ctor_DateTime_TimeSpan_Invalid>b__7():System.Object:this
         -12 (-0.81% of base) : 45018.dasm - System.Tests.TimeZoneTests:TransitionTimeToDateTime(int,TransitionTime):System.DateTime
          -8 (-3.03% of base) : 139504.dasm - FluentAssertions.FluentDateTimeExtensions:June(int,int):System.DateTime
          -8 (-3.28% of base) : 292318.dasm - Humanizer.In:FebruaryOf(int):System.DateTime

Top method improvements (percentages):
          -8 (-3.28% of base) : 292318.dasm - Humanizer.In:FebruaryOf(int):System.DateTime
          -8 (-3.28% of base) : 292328.dasm - Humanizer.In:JulyOf(int):System.DateTime
          -8 (-3.28% of base) : 292324.dasm - Humanizer.In:MayOf(int):System.DateTime
          -8 (-3.28% of base) : 292334.dasm - Humanizer.In:OctoberOf(int):System.DateTime
          -8 (-3.28% of base) : 292315.dasm - Humanizer.In:TheYear(int):System.DateTime
          -8 (-3.28% of base) : 292336.dasm - Humanizer.In:NovemberOf(int):System.DateTime
          -8 (-3.28% of base) : 292322.dasm - Humanizer.In:AprilOf(int):System.DateTime
          -8 (-3.28% of base) : 292332.dasm - Humanizer.In:SeptemberOf(int):System.DateTime
          -8 (-3.28% of base) : 292326.dasm - Humanizer.In:JuneOf(int):System.DateTime
          -8 (-3.28% of base) : 292320.dasm - Humanizer.In:MarchOf(int):System.DateTime
          -8 (-3.28% of base) : 292330.dasm - Humanizer.In:AugustOf(int):System.DateTime
          -8 (-3.28% of base) : 292338.dasm - Humanizer.In:DecemberOf(int):System.DateTime
          -8 (-3.03% of base) : 139504.dasm - FluentAssertions.FluentDateTimeExtensions:June(int,int):System.DateTime
          -8 (-3.03% of base) : 293174.dasm - July:get_The1st():System.DateTime
          -8 (-3.03% of base) : 293301.dasm - November:get_The1st():System.DateTime
          -8 (-3.03% of base) : 139506.dasm - FluentAssertions.FluentDateTimeExtensions:August(int,int):System.DateTime
          -8 (-3.03% of base) : 293080.dasm - April:get_The1st():System.DateTime
          -8 (-3.03% of base) : 139503.dasm - FluentAssertions.FluentDateTimeExtensions:May(int,int):System.DateTime
          -8 (-3.03% of base) : 292329.dasm - Humanizer.In:get_August():System.DateTime
          -8 (-3.03% of base) : 293111.dasm - May:get_The1st():System.DateTime

581 total methods with Code Size differences (581 improved, 0 regressed), 0 unchanged.

@JulieLeeMSFT
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Yes, the numbers were mostly improvements with an exception of ToString(4) benchmark and that was confusing to me, so I re-ran the benchmarks again:

@echesakov ToString numbers show some improvments and some regression. So, do you want that to be addressed before approving the code?

@echesakov
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@JulieLeeMSFT I wouldn't worry about ToString(4) but I want to understand why lclfldrem:Main():int regressed.

@SingleAccretion
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@echesakovMSFT watch out for spurious diffs due to #53773. I've seen these tests show big differences in the past (see diffs in #53748).

@echesakov
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echesakov commented Aug 16, 2021 •
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Thanks for the note @SingleAccretion - I wasn't aware of that issue.
I looked at the jitdumps and the regressions are indeed due to #53773.

An example of such regression

-            ldr     x0, [x22,#0xd1ffab1e]
+            movz    x0, #0xd1ffab1e
+            movk    x0, #0xd1ffab1e LSL #16
+            movk    x0, #0xd1ffab1e LSL #32
+            ldr     x0, [x0]

@echesakov
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@pentp Can you please address the feedback by @SingleAccretion, so we can merge the PR before RC1?

@AndyAyersMS
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@echesakov do you want to push the changes discussed above? We are running out of time for RC1.

@echesakov
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@pentp I pushed the changes suggested by @SingleAccretion.
I hope you don't mind me pushing to your branch as we are eager to merge this before noon today...

@echesakov
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@AndyAyersMS Can you please also take a look? In case I missed anything

AndyAyersMS
AndyAyersMS approved these changes Aug 17, 2021
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LGTM too.

@echesakov
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runtime (Libraries Test Run checked coreclr windows x86 Release) failure is due to #57471

@echesakov
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runtime (Installer Build and Test coreclr windows_x64 Release) is an infra issue:

D:\workspace\_work\1\s\.dotnet\sdk\6.0.100-rc.1.21411.28\MSBuild.dll /nologo -maxcpucount /m -verbosity:m /v:minimal /bl:D:\workspace\_work\1\s\artifacts\log\Release\ToolsetRestore.binlog /clp:Summary /clp:ErrorsOnly;NoSummary /nr:False /p:ContinuousIntegrationBuild=True /p:TreatWarningsAsErrors=true /p:__ToolsetLocationOutputFile=D:\workspace\_work\1\s\artifacts\toolset\6.0.0-beta.21413.4.txt /t:__WriteToolsetLocation /warnaserror D:\workspace\_work\1\s\artifacts\toolset\restore.proj
D:\workspace\_work\1\s\artifacts\toolset\restore.proj : error : Unable to load the service index for source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json.
Build failed with exit code 1. Check errors above.

@AndyAyersMS
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Since the change is arm64 specific I think we can merge despite those failures. Anyone disagree?

@echesakov echesakov merged commit 13d9927 into dotnet:main Aug 17, 2021
@runfoapp runfoapp bot mentioned this pull request Aug 17, 2021
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@pentp pentp deleted the arm64-umull branch August 18, 2021 14:52
@kunalspathak
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Improvements: dotnet/perf-autofiling-issues#828 and dotnet/perf-autofiling-issues#1109

@ghost ghost locked as resolved and limited conversation to collaborators Oct 2, 2021
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@SingleAccretion SingleAccretion SingleAccretion left review comments

@AndyAyersMS AndyAyersMS AndyAyersMS approved these changes

@echesakov echesakov echesakov approved these changes

@EgorBo EgorBo EgorBo approved these changes

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[Perf] Regressions in Integer Formatting
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@pentp @JulieLeeMSFT @AndyAyersMS @echesakov @SingleAccretion @kunalspathak @EgorBo