Benchmarks for dotnet/runtime#127428 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#127428.

Targets: ubuntu24_azure_emeraldrapids, macos15_helix_arm64
Commits: main;PR_127428

• ubuntu24_azure_emeraldrapids: live logs
• macos15_helix_arm64: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for macos15_helix_arm64

@EgorBo

BenchmarkDotNet v0.15.8, macOS Sequoia 15.4.1 (24E263) [Darwin 24.4.0]
Apple M4, 1 CPU, 10 logical and 10 physical cores
.NET SDK 11.0.100-preview.5.26224.123
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Count	Mean	Error	Ratio
Min	PR #127428**	4	0.4384 ns	0.0007 ns	1.00
Min	main	4	0.3544 ns	0.0021 ns	0.81
Max	PR #127428	4	0.7030 ns	0.0011 ns	1.00
Max	main	4	0.7078 ns	0.0082 ns	1.01
Min	PR #127428**	8	0.7279 ns	0.0011 ns	1.00
Min	main	8	0.3735 ns	0.0014 ns	0.51
Max	PR #127428	8	1.1851 ns	0.0071 ns	1.00
Max	main	8	0.7103 ns	0.0165 ns	0.60
Min	PR #127428**	16	1.2367 ns	0.0062 ns	1.00
Min	main	16	0.4876 ns	0.0007 ns	0.39
Max	PR #127428	16	1.2224 ns	0.0115 ns	1.00
Max	main	16	0.7282 ns	0.0042 ns	0.60
Min	PR #127428**	32	2.2171 ns	0.0172 ns	1.00
Min	main	32	1.7120 ns	0.0189 ns	0.77
Max	PR #127428	32	2.2094 ns	0.0199 ns	1.00
Max	main	32	1.7027 ns	0.0086 ns	0.77
Min	PR #127428**	128	8.1127 ns	0.0730 ns	1.00
Min	main	128	7.6131 ns	0.0580 ns	0.94
Max	PR #127428	128	8.1143 ns	0.0681 ns	1.00
Max	main	128	7.5958 ns	0.0606 ns	0.94
Min	PR #127428**	1024	85.7352 ns	0.4301 ns	1.00
Min	main	1024	85.6361 ns	0.0374 ns	1.00
Max	PR #127428	1024	84.9514 ns	0.4730 ns	1.00
Max	main	1024	85.3893 ns	0.0385 ns	1.01
Min	PR #127428**	16384	1,803.1462 ns	1.0951 ns	1.00
Min	main	16384	1,821.8886 ns	0.6419 ns	1.01
Max	PR #127428	16384	1,802.3271 ns	0.9799 ns	1.00
Max	main	16384	1,820.8700 ns	1.9754 ns	1.01
Min	PR #127428**	1000000	112,779.8360 ns	277.1470 ns	1.00
Min	main	1000000	113,617.6579 ns	270.3828 ns	1.01
Max	PR #127428	1000000	112,668.7270 ns	52.0478 ns	1.00
Max	main	1000000	113,611.9664 ns	244.2185 ns	1.01

Full logs

[EgorBo]

@EgorBot -amd -aws_arm -profiler

using System.Linq;
using BenchmarkDotNet.Attributes;

public class MinMaxBench
{
    // Includes lengths at exact V128/V256/V512 boundaries that hit the fixed tail-load path,
    // plus larger sizes that exercise the main vectorized loop.
    [Params(16)]
    public int Count;

    private int[] _ints = null!;

    [GlobalSetup]
    public void Setup() => _ints = Enumerable.Range(0, Count).ToArray();

    [Benchmark]
    public int Max() => _ints.Max();
}

[EgorBot]

Benchmark job submitted. The results will be posted here once they are ready.

• ubuntu24_azure_turin: live logs
• ubuntu24_aws_graviton4: live logs

[EgorBot]

Results for ubuntu24_azure_emeraldrapids

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
INTEL XEON PLATINUM 8573C 2.30GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.5.26224.123
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Count	Mean	Error	Ratio
Min	PR #127428**	4	5.4270 ns	0.0784 ns	1.00
Min	main	4	1.5630 ns	0.0210 ns	0.29
Max	PR #127428	4	4.9291 ns	0.0435 ns	1.00
Max	main	4	0.6053 ns	0.0154 ns	0.12
Min	PR #127428**	8	13.1678 ns	0.1059 ns	1.00
Min	main	8	2.8686 ns	0.0481 ns	0.22
Max	PR #127428	8	12.8726 ns	0.1236 ns	1.00
Max	main	8	2.7889 ns	0.0247 ns	0.22
Min	PR #127428**	16	22.7476 ns	0.2317 ns	1.00
Min	main	16	46.8277 ns	0.2773 ns	2.06
Max	PR #127428	16	22.7494 ns	0.1156 ns	1.00
Max	main	16	46.8177 ns	0.1658 ns	2.06
Min	PR #127428**	32	23.8871 ns	0.1546 ns	1.00
Min	main	32	46.4461 ns	0.1031 ns	1.94
Max	PR #127428	32	24.1508 ns	0.0883 ns	1.00
Max	main	32	46.8356 ns	0.1608 ns	1.94
Min	PR #127428**	128	33.1209 ns	0.1490 ns	1.00
Min	main	128	47.1698 ns	0.2807 ns	1.42
Max	PR #127428	128	33.5062 ns	0.1135 ns	1.00
Max	main	128	50.1488 ns	0.4733 ns	1.50
Min	PR #127428**	1024	191.0166 ns	1.0023 ns	1.00
Min	main	1024	54.1340 ns	0.2289 ns	0.28
Max	PR #127428	1024	182.8685 ns	1.0261 ns	1.00
Max	main	1024	53.8711 ns	0.1842 ns	0.29
Min	PR #127428**	16384	3,196.8997 ns	15.7402 ns	1.00
Min	main	16384	468.0214 ns	3.2860 ns	0.15
Max	PR #127428	16384	3,068.5037 ns	21.4226 ns	1.00
Max	main	16384	468.6169 ns	2.2789 ns	0.15
Min	PR #127428**	1000000	194,908.0181 ns	1,075.8462 ns	1.00
Min	main	1000000	121,954.7258 ns	370.0115 ns	0.63
Max	PR #127428	1000000	173,414.5722 ns	663.0520 ns	1.00
Max	main	1000000	134,413.3809 ns	284.4216 ns	0.78

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 8 logical and 4 physical cores
.NET SDK 11.0.100-preview.5.26224.123
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Count	Mean	Error	Ratio
Max	PR #127428	16	21.19 ns	0.587 ns	1.01
Max	main	16	15.61 ns	0.140 ns	0.74

Profiling artifacts

MinMaxBench.Max:

	main	PR_127428
flamegraph	link	link
functions	link	link
asm	link	link
stats	link	link
speedscope	link	link

Full logs

[EgorBot]

Results for ubuntu24_aws_graviton4

@EgorBo

BenchmarkDotNet v0.15.8, Linux Ubuntu 24.04 LTS (Noble Numbat)
Neoverse-V2, 8 physical cores
.NET SDK 11.0.100-preview.5.26224.123
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Count	Mean	Error	Ratio
Max	PR #127428	16	1.8065 ns	0.0027 ns	1.00
Max	main	16	0.8583 ns	0.0017 ns	0.48

Profiling artifacts

MinMaxBench.Max:

	main	PR_127428
flamegraph	link	link
functions	link	link
asm	link	link
stats	link	link
speedscope	link	link

Full logs

[EgorBo]

@EgorBot -arm --envvars "DOTNET_JitDisasm:Max" DOTNET_JitDisasmOnlyOptimized:1

using System.Linq;
using BenchmarkDotNet.Attributes;

public class MinMaxBench
{
    // Includes lengths at exact V128/V256/V512 boundaries that hit the fixed tail-load path,
    // plus larger sizes that exercise the main vectorized loop.
    [Params(16)]
    public int Count;

    private int[] _ints = null!;

    [GlobalSetup]
    public void Setup() => _ints = Enumerable.Range(0, Count).ToArray();

    [Benchmark]
    public int Max() => _ints.Max();
}

[EgorBot]

Benchmark job submitted. The results will be posted here once they are ready.

• macos15_helix_arm64: live logs

[EgorBot]

Results for macos15_helix_arm64

@EgorBo

BenchmarkDotNet v0.15.8, macOS Sequoia 15.7.5 (24G624) [Darwin 24.6.0]
Apple M4, 1 CPU, 10 logical and 10 physical cores
.NET SDK 11.0.100-preview.5.26224.123
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

EnvironmentVariables=DOTNET_JitDisasm=*Max*,DOTNET_JitDisasmOnlyOptimized=1  

Method	Toolchain	Count	Mean	Error	Ratio
Max	PR #127428	16	1.1792 ns	0.0042 ns	1.00
Max	main	16	0.6879 ns	0.0005 ns	0.58

Full logs