Benchmarks for dotnet/runtime#127410 (for @EgorBo)

[EgorBot]

Processing benchmark request from PR dotnet/runtime#127410.

Targets: ubuntu24_azure_turin, macos26_helix_arm64
Commits: main;PR_127410

• ubuntu24_azure_turin: live logs
• macos26_helix_arm64: live logs

Results will be posted here once they are ready.

[EgorBot]

Results for macos26_helix_arm64

@EgorBo

BenchmarkDotNet v0.15.8, macOS Sequoia 15.3.1 (24D70) [Darwin 24.3.0]
Apple M2, 1 CPU, 8 logical and 8 physical cores
.NET SDK 11.0.100-preview.5.26226.111
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), Arm64 RyuJIT armv8.0-a

Method	Toolchain	Size	Mean	Error	Ratio
NextBytes_Span	PR #127410**	1	2.500 ns	0.0037 ns	1.00
NextBytes_Span	main	1	2.542 ns	0.0102 ns	1.02
NextBytes_Array	PR #127410	1	2.440 ns	0.0013 ns	1.00
NextBytes_Array	main	1	2.429 ns	0.0012 ns	1.00
NextBytes_Span	PR #127410**	3	8.366 ns	0.1315 ns	1.00
NextBytes_Span	main	3	8.354 ns	0.1177 ns	1.00
NextBytes_Array	PR #127410	3	8.424 ns	0.1342 ns	1.00
NextBytes_Array	main	3	8.193 ns	0.1110 ns	0.97
NextBytes_Span	PR #127410**	4	10.820 ns	0.0343 ns	1.00
NextBytes_Span	main	4	10.800 ns	0.0311 ns	1.00
NextBytes_Array	PR #127410	4	10.815 ns	0.0052 ns	1.00
NextBytes_Array	main	4	10.856 ns	0.0079 ns	1.00
NextBytes_Span	PR #127410**	7	19.460 ns	0.0151 ns	1.00
NextBytes_Span	main	7	19.304 ns	0.0145 ns	0.99
NextBytes_Array	PR #127410	7	18.815 ns	0.3364 ns	1.00
NextBytes_Array	main	7	18.691 ns	0.0128 ns	0.99
NextBytes_Span	PR #127410**	8	21.970 ns	0.0309 ns	1.00
NextBytes_Span	main	8	21.692 ns	0.0487 ns	0.99
NextBytes_Array	PR #127410	8	21.995 ns	0.0138 ns	1.00
NextBytes_Array	main	8	22.130 ns	0.0291 ns	1.01
NextBytes_Span	PR #127410**	15	42.253 ns	0.0952 ns	1.00
NextBytes_Span	main	15	42.355 ns	0.1087 ns	1.00
NextBytes_Array	PR #127410	15	42.044 ns	0.0599 ns	1.00
NextBytes_Array	main	15	42.010 ns	0.0297 ns	1.00
NextBytes_Span	PR #127410**	16	45.118 ns	0.0179 ns	1.00
NextBytes_Span	main	16	45.150 ns	0.0473 ns	1.00
NextBytes_Array	PR #127410	16	44.929 ns	0.0948 ns	1.00
NextBytes_Array	main	16	45.047 ns	0.2465 ns	1.00
NextBytes_Span	PR #127410**	31	89.686 ns	0.0484 ns	1.00
NextBytes_Span	main	31	89.652 ns	0.0901 ns	1.00
NextBytes_Array	PR #127410	31	88.962 ns	0.0711 ns	1.00
NextBytes_Array	main	31	89.173 ns	0.0774 ns	1.00
NextBytes_Span	PR #127410**	64	185.602 ns	0.1445 ns	1.00
NextBytes_Span	main	64	186.208 ns	0.1120 ns	1.00
NextBytes_Array	PR #127410	64	184.617 ns	0.1121 ns	1.00
NextBytes_Array	main	64	185.664 ns	0.0826 ns	1.01
NextBytes_Span	PR #127410**	256	748.984 ns	0.3561 ns	1.00
NextBytes_Span	main	256	750.130 ns	0.5774 ns	1.00
NextBytes_Array	PR #127410	256	748.039 ns	0.8621 ns	1.00
NextBytes_Array	main	256	747.549 ns	0.5203 ns	1.00
NextBytes_Span	PR #127410**	1024	2,995.521 ns	2.0505 ns	1.00
NextBytes_Span	main	1024	2,995.059 ns	2.0983 ns	1.00
NextBytes_Array	PR #127410	1024	2,990.679 ns	1.7295 ns	1.00
NextBytes_Array	main	1024	2,990.170 ns	2.0419 ns	1.00
NextBytes_Span	PR #127410**	16384	47,918.918 ns	28.1311 ns	1.00
NextBytes_Span	main	16384	47,905.965 ns	23.5192 ns	1.00
NextBytes_Array	PR #127410	16384	47,929.243 ns	21.3489 ns	1.00
NextBytes_Array	main	16384	47,916.717 ns	36.1642 ns	1.00

Full logs

[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.5.26226.111
  [Host]     : .NET 10.0.7 (10.0.7, 10.0.726.21808), X64 RyuJIT x86-64-v4

Method	Toolchain	Size	Mean	Error	Ratio
NextBytes_Span	PR #127410**	1	1.907 ns	0.0050 ns	1.00
NextBytes_Span	main	1	2.038 ns	0.0055 ns	1.07
NextBytes_Array	PR #127410	1	1.895 ns	0.0031 ns	1.00
NextBytes_Array	main	1	1.898 ns	0.0099 ns	1.00
NextBytes_Span	PR #127410**	3	5.779 ns	0.0377 ns	1.00
NextBytes_Span	main	3	5.774 ns	0.0309 ns	1.00
NextBytes_Array	PR #127410	3	5.776 ns	0.0068 ns	1.00
NextBytes_Array	main	3	5.773 ns	0.0142 ns	1.00
NextBytes_Span	PR #127410**	4	7.163 ns	0.0066 ns	1.00
NextBytes_Span	main	4	7.095 ns	0.0060 ns	0.99
NextBytes_Array	PR #127410	4	7.177 ns	0.0092 ns	1.00
NextBytes_Array	main	4	7.179 ns	0.0129 ns	1.00
NextBytes_Span	PR #127410**	7	12.302 ns	0.0062 ns	1.00
NextBytes_Span	main	7	12.317 ns	0.0115 ns	1.00
NextBytes_Array	PR #127410	7	12.580 ns	0.2641 ns	1.00
NextBytes_Array	main	7	13.246 ns	0.0155 ns	1.05
NextBytes_Span	PR #127410**	8	13.929 ns	0.0123 ns	1.00
NextBytes_Span	main	8	13.929 ns	0.0069 ns	1.00
NextBytes_Array	PR #127410	8	13.989 ns	0.0118 ns	1.00
NextBytes_Array	main	8	13.783 ns	0.0164 ns	0.99
NextBytes_Span	PR #127410**	15	25.254 ns	0.0220 ns	1.00
NextBytes_Span	main	15	25.288 ns	0.0714 ns	1.00
NextBytes_Array	PR #127410	15	25.284 ns	0.2499 ns	1.00
NextBytes_Array	main	15	25.157 ns	0.0180 ns	1.00
NextBytes_Span	PR #127410**	16	26.856 ns	0.0274 ns	1.00
NextBytes_Span	main	16	26.886 ns	0.0512 ns	1.00
NextBytes_Array	PR #127410	16	26.898 ns	0.0171 ns	1.00
NextBytes_Array	main	16	26.940 ns	0.0273 ns	1.00
NextBytes_Span	PR #127410**	31	50.883 ns	0.0336 ns	1.00
NextBytes_Span	main	31	50.893 ns	0.0209 ns	1.00
NextBytes_Array	PR #127410	31	50.981 ns	0.0719 ns	1.00
NextBytes_Array	main	31	51.139 ns	0.2299 ns	1.00
NextBytes_Span	PR #127410**	64	111.371 ns	0.0802 ns	1.00
NextBytes_Span	main	64	111.043 ns	0.0739 ns	1.00
NextBytes_Array	PR #127410	64	111.286 ns	0.1836 ns	1.00
NextBytes_Array	main	64	111.261 ns	0.0662 ns	1.00
NextBytes_Span	PR #127410**	256	422.547 ns	0.3047 ns	1.00
NextBytes_Span	main	256	423.219 ns	0.4288 ns	1.00
NextBytes_Array	PR #127410	256	423.221 ns	0.3164 ns	1.00
NextBytes_Array	main	256	423.296 ns	0.4747 ns	1.00
NextBytes_Span	PR #127410**	1024	1,667.535 ns	0.8216 ns	1.00
NextBytes_Span	main	1024	1,668.395 ns	2.0918 ns	1.00
NextBytes_Array	PR #127410	1024	1,666.500 ns	0.8513 ns	1.00
NextBytes_Array	main	1024	1,666.755 ns	1.8611 ns	1.00
NextBytes_Span	PR #127410**	16384	26,508.124 ns	9.6271 ns	1.00
NextBytes_Span	main	16384	26,511.235 ns	10.1588 ns	1.00
NextBytes_Array	PR #127410	16384	26,511.213 ns	10.1844 ns	1.00
NextBytes_Array	main	16384	26,979.589 ns	11.6474 ns	1.02

Full logs