Benchmarks for dotnet/runtime#131696 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#131696.

Targets: windows_azure_cobalt100, ubuntu24_azure_cobalt100, ubuntu24_azure_turin
Commits: main;PR_131696

• windows_azure_cobalt100: live logs
• ubuntu24_azure_cobalt100: live logs
• ubuntu24_azure_turin: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for ubuntu24_azure_cobalt100

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
Neoverse-N2, 16 physical cores
Memory: 62.66 GB Total, 41.33 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Threads	Mean	Error	Ratio
CounterAdd	main**	1	13.345 ns	0.0057 ns	1.00
CounterAdd	PR #131696	1	13.363 ns	0.0080 ns	1.00
CounterAdd	main**	2	6.991 ns	0.1144 ns	1.03
CounterAdd	PR #131696	2	6.824 ns	0.1099 ns	1.00
CounterAdd	main**	4	7.047 ns	0.2590 ns	1.20
CounterAdd	PR #131696	4	6.231 ns	0.4889 ns	1.00
CounterAdd	main**	8	10.617 ns	0.3920 ns	1.08
CounterAdd	PR #131696	8	10.362 ns	0.7571 ns	1.00
CounterAdd	main**	16	15.277 ns	0.3035 ns	3.12
CounterAdd	PR #131696	16	4.900 ns	0.0943 ns	1.00

---

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
Neoverse-N2, 16 physical cores
Memory: 62.66 GB Total, 41.33 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Threads	Mean	Error	Ratio	Allocated	Alloc Ratio
Sized	main**	1	64.154 ns	0.0711 ns	1.01	30 B	1.00
Sized	PR #131696	1	63.558 ns	0.1192 ns	1.00	30 B	1.00
Unsized	main	1	59.034 ns	0.1079 ns	0.99	16 B	1.00
Unsized	PR #131696	1	59.491 ns	0.1223 ns	1.00	16 B	1.00
Sized	main**	4	30.964 ns	0.1491 ns	1.03	30 B	1.00
Sized	PR #131696	4	30.189 ns	0.1648 ns	1.00	30 B	1.00
Unsized	main	4	22.703 ns	0.1990 ns	0.98	16 B	1.00
Unsized	PR #131696	4	23.152 ns	0.1057 ns	1.00	16 B	1.00
Sized	main**	8	23.759 ns	0.2235 ns	1.13	30 B	1.00
Sized	PR #131696	8	21.159 ns	0.4190 ns	1.00	30 B	1.00
Unsized	main	8	13.357 ns	0.0685 ns	1.00	16 B	1.00
Unsized	PR #131696	8	13.299 ns	0.0255 ns	1.00	16 B	1.00
Sized	main**	16	32.748 ns	0.0880 ns	1.54	30 B	1.00
Sized	PR #131696	16	21.214 ns	0.0950 ns	1.00	30 B	1.00
Unsized	main	16	9.569 ns	0.1344 ns	1.00	16 B	1.00
Unsized	PR #131696	16	9.554 ns	0.1441 ns	1.00	16 B	1.00

Full logs

[EgorBot]

Results for ubuntu24_azure_turin

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 16 logical and 8 physical cores
Memory: 62.79 GB Total, 41.9 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), X64 RyuJIT x86-64-v4

Method	Toolchain	Threads	Mean	Error	Ratio	Allocated	Alloc Ratio
Sized	main**	1	35.433 ns	0.0516 ns	1.01	30 B	1.00
Sized	PR #131696	1	35.207 ns	0.0510 ns	1.00	30 B	1.00
Unsized	main	1	33.024 ns	0.1444 ns	0.99	16 B	1.00
Unsized	PR #131696	1	33.193 ns	0.1551 ns	1.00	16 B	1.00
Sized	main**	4	14.543 ns	0.1009 ns	1.12	30 B	1.00
Sized	PR #131696	4	12.988 ns	0.1736 ns	1.00	30 B	1.00
Unsized	main	4	11.075 ns	0.0618 ns	0.98	16 B	1.00
Unsized	PR #131696	4	11.360 ns	0.0967 ns	1.00	16 B	1.00
Sized	main**	8	21.257 ns	0.1579 ns	2.18	30 B	1.00
Sized	PR #131696	8	9.774 ns	0.0937 ns	1.00	30 B	1.00
Unsized	main	8	7.443 ns	0.1156 ns	0.99	16 B	1.00
Unsized	PR #131696	8	7.503 ns	0.0955 ns	1.00	16 B	1.00
Sized	main**	16	17.537 ns	0.0765 ns	2.02	30 B	1.00
Sized	PR #131696	16	8.695 ns	0.0645 ns	1.00	30 B	1.00
Unsized	main	16	6.275 ns	0.0734 ns	0.99	16 B	1.00
Unsized	PR #131696	16	6.335 ns	0.0721 ns	1.00	16 B	1.00

---

BenchmarkDotNet v0.16.0-preview.1, Linux Ubuntu 24.04.4 LTS (Noble Numbat)
AMD EPYC 9V45 2.60GHz, 1 CPU, 16 logical and 8 physical cores
Memory: 62.79 GB Total, 41.9 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), X64 RyuJIT x86-64-v4

Method	Toolchain	Threads	Mean	Error	Ratio
CounterAdd	main**	1	7.353 ns	0.0121 ns	0.97
CounterAdd	PR #131696	1	7.559 ns	0.0062 ns	1.00
CounterAdd	main**	2	5.531 ns	0.3679 ns	1.28
CounterAdd	PR #131696	2	4.433 ns	0.2807 ns	1.00
CounterAdd	main**	4	7.560 ns	0.3754 ns	1.31
CounterAdd	PR #131696	4	6.335 ns	0.6487 ns	1.00
CounterAdd	main**	8	6.494 ns	0.3513 ns	1.13
CounterAdd	PR #131696	8	5.751 ns	0.1144 ns	1.00
CounterAdd	main**	16	7.693 ns	0.1531 ns	0.96
CounterAdd	PR #131696	16	8.038 ns	0.1594 ns	1.00

Full logs

[EgorBot]

Results for windows_azure_cobalt100

@EgorBo

BenchmarkDotNet v0.16.0-preview.1, Windows 11 (10.0.26200.8875/25H2/2025Update/HudsonValley2) (Hyper-V)
Cobalt 100 3.40GHz, 1 CPU, 16 logical and 16 physical cores
Memory: 63.99 GB Total, 57.14 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Threads	Mean	Error	Ratio	Allocated	Alloc Ratio
Sized	main**	1	60.824 ns	0.0578 ns	0.99	30 B	1.00
Sized	PR #131696	1	61.185 ns	0.0837 ns	1.00	30 B	1.00
Unsized	main	1	56.281 ns	0.0672 ns	1.00	16 B	1.00
Unsized	PR #131696	1	56.181 ns	0.1203 ns	1.00	16 B	1.00
Sized	main**	4	38.727 ns	0.2201 ns	1.25	30 B	1.00
Sized	PR #131696	4	31.089 ns	0.1779 ns	1.00	30 B	1.00
Unsized	main	4	25.763 ns	0.0913 ns	0.99	16 B	1.00
Unsized	PR #131696	4	25.994 ns	0.0573 ns	1.00	16 B	1.00
Sized	main**	8	31.992 ns	0.2356 ns	1.28	30 B	1.00
Sized	PR #131696	8	25.017 ns	0.0695 ns	1.00	30 B	1.00
Unsized	main	8	14.790 ns	0.0392 ns	1.00	16 B	1.00
Unsized	PR #131696	8	14.817 ns	0.0438 ns	1.00	16 B	1.00
Sized	main**	16	39.004 ns	0.0568 ns	1.45	30 B	1.00
Sized	PR #131696	16	26.831 ns	0.0527 ns	1.00	30 B	1.00
Unsized	main	16	9.606 ns	0.0977 ns	1.01	16 B	1.00
Unsized	PR #131696	16	9.489 ns	0.0400 ns	1.00	16 B	1.00

---

BenchmarkDotNet v0.16.0-preview.1, Windows 11 (10.0.26200.8875/25H2/2025Update/HudsonValley2) (Hyper-V)
Cobalt 100 3.40GHz, 1 CPU, 16 logical and 16 physical cores
Memory: 63.99 GB Total, 57.14 GB Available
.NET SDK 11.0.100-rc.1.26381.106
  [Host]     : .NET 11.0.0 (11.0.0-rc.1.26381.106, 11.0.26.38206), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Threads	Mean	Error	Ratio
CounterAdd	main**	1	18.103 ns	0.0142 ns	1.00
CounterAdd	PR #131696	1	18.052 ns	0.0124 ns	1.00
CounterAdd	main**	2	13.086 ns	0.9222 ns	1.46
CounterAdd	PR #131696	2	8.977 ns	0.0113 ns	1.00
CounterAdd	main**	4	7.439 ns	0.4800 ns	0.68
CounterAdd	PR #131696	4	11.269 ns	0.6567 ns	1.00
CounterAdd	main**	8	8.702 ns	1.1681 ns	0.77
CounterAdd	PR #131696	8	11.453 ns	0.4135 ns	1.00
CounterAdd	main**	16	5.532 ns	0.1064 ns	0.27
CounterAdd	PR #131696	16	20.759 ns	0.1721 ns	1.00

Full logs