Benchmarks for dotnet/runtime#135239 (for @EgorBo) #646

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1. EgorBot commented on Oct 6, 2026

   

   EgorBot

   on Oct 6, 2026

   OwnerAuthor

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   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, 8 logical and 4 physical cores
   Memory: 31.34 GB Total, 10.6 GB Available
   .NET SDK 11.0.100-rtm.26480.113
     [Host]     : .NET 11.0.0 (11.0.0-rtm.26480.113, 11.0.26.48113), X64 RyuJIT x86-64-v4
   

   Method	Toolchain	Size	Mean	Error	Ratio
   EncodeToUtf8	main**	9	5.510 ns	0.0596 ns	1.02
   EncodeToUtf8	PR #135239	9	5.379 ns	0.0614 ns	1.00
   EncodeToChars	main	9	5.599 ns	0.0248 ns	1.12
   EncodeToChars	PR #135239	9	5.015 ns	0.0215 ns	1.00
   EncodeToUtf8InPlace	main	9	8.129 ns	0.0176 ns	0.80
   EncodeToUtf8InPlace	PR #135239	9	10.214 ns	0.0360 ns	1.00
   DecodeFromUtf8	main	9	7.273 ns	0.0237 ns	0.92
   DecodeFromUtf8	PR #135239	9	7.897 ns	0.0366 ns	1.00
   DecodeFromChars	main	9	8.302 ns	0.0860 ns	1.04
   DecodeFromChars	PR #135239	9	7.990 ns	0.0494 ns	1.00
   DecodeFromUtf8InPlace	main	9	8.159 ns	0.0472 ns	0.97
   DecodeFromUtf8InPlace	PR #135239	9	8.372 ns	0.0285 ns	1.00
   EncodeToUtf8	main**	24	7.178 ns	0.0769 ns	2.30
   EncodeToUtf8	PR #135239	24	3.116 ns	0.0070 ns	1.00
   EncodeToChars	main	24	10.453 ns	0.2061 ns	3.13
   EncodeToChars	PR #135239	24	3.341 ns	0.0069 ns	1.00
   EncodeToUtf8InPlace	main	24	14.606 ns	0.0245 ns	1.20
   EncodeToUtf8InPlace	PR #135239	24	12.132 ns	0.0243 ns	1.00
   DecodeFromUtf8	main	24	8.978 ns	0.0298 ns	1.26
   DecodeFromUtf8	PR #135239	24	7.124 ns	0.0285 ns	1.00
   DecodeFromChars	main	24	10.676 ns	0.0297 ns	1.41
   DecodeFromChars	PR #135239	24	7.555 ns	0.0131 ns	1.00
   DecodeFromUtf8InPlace	main	24	10.098 ns	0.0256 ns	0.86
   DecodeFromUtf8InPlace	PR #135239	24	11.711 ns	0.0822 ns	1.00
   EncodeToUtf8	main**	50	8.444 ns	0.0157 ns	2.11
   EncodeToUtf8	PR #135239	50	4.001 ns	0.0186 ns	1.00
   EncodeToChars	main	50	8.711 ns	0.0182 ns	1.93
   EncodeToChars	PR #135239	50	4.516 ns	0.0047 ns	1.00
   EncodeToUtf8InPlace	main	50	28.810 ns	0.1896 ns	1.41
   EncodeToUtf8InPlace	PR #135239	50	20.466 ns	0.0421 ns	1.00
   DecodeFromUtf8	main	50	12.000 ns	0.0112 ns	1.58
   DecodeFromUtf8	PR #135239	50	7.574 ns	0.0369 ns	1.00
   DecodeFromChars	main	50	13.161 ns	0.0383 ns	1.58
   DecodeFromChars	PR #135239	50	8.352 ns	0.0160 ns	1.00
   DecodeFromUtf8InPlace	main	50	23.561 ns	0.0164 ns	1.75
   DecodeFromUtf8InPlace	PR #135239	50	13.441 ns	0.0256 ns	1.00
   EncodeToUtf8	main**	96	8.332 ns	0.0211 ns	2.20
   EncodeToUtf8	PR #135239	96	3.789 ns	0.0192 ns	1.00
   EncodeToChars	main	96	19.938 ns	0.0532 ns	2.42
   EncodeToChars	PR #135239	96	8.234 ns	0.0244 ns	1.00
   EncodeToUtf8InPlace	main	96	43.966 ns	0.0479 ns	3.71
   EncodeToUtf8InPlace	PR #135239	96	11.863 ns	0.0131 ns	1.00
   DecodeFromUtf8	main	96	10.617 ns	0.0527 ns	1.29
   DecodeFromUtf8	PR #135239	96	8.209 ns	0.0181 ns	1.00
   DecodeFromChars	main	96	13.193 ns	0.0763 ns	1.40
   DecodeFromChars	PR #135239	96	9.402 ns	0.0253 ns	1.00
   DecodeFromUtf8InPlace	main	96	13.201 ns	0.2620 ns	0.91
   DecodeFromUtf8InPlace	PR #135239	96	14.502 ns	0.0056 ns	1.00
   EncodeToUtf8	main**	1000	11.987 ns	0.0595 ns	1.02
   EncodeToUtf8	PR #135239	1000	11.729 ns	0.0695 ns	1.00
   EncodeToChars	main	1000	17.837 ns	0.1260 ns	1.12
   EncodeToChars	PR #135239	1000	15.907 ns	0.0753 ns	1.00
   EncodeToUtf8InPlace	main	1000	408.695 ns	0.7971 ns	7.62
   EncodeToUtf8InPlace	PR #135239	1000	53.627 ns	0.2090 ns	1.00
   DecodeFromUtf8	main	1000	18.029 ns	0.0650 ns	0.99
   DecodeFromUtf8	PR #135239	1000	18.173 ns	0.0839 ns	1.00
   DecodeFromChars	main	1000	27.755 ns	0.0956 ns	1.06
   DecodeFromChars	PR #135239	1000	26.162 ns	0.2456 ns	1.00
   DecodeFromUtf8InPlace	main	1000	28.095 ns	0.0434 ns	1.25
   DecodeFromUtf8InPlace	PR #135239	1000	22.507 ns	0.2486 ns	1.00
   EncodeToUtf8	main**	10000	109.746 ns	0.2761 ns	1.10
   EncodeToUtf8	PR #135239	10000	99.900 ns	0.1658 ns	1.00
   EncodeToChars	main	10000	155.931 ns	0.9342 ns	0.98
   EncodeToChars	PR #135239	10000	158.789 ns	0.3012 ns	1.00
   EncodeToUtf8InPlace	main	10000	3,993.244 ns	4.6117 ns	8.18
   EncodeToUtf8InPlace	PR #135239	10000	488.467 ns	1.7002 ns	1.00
   DecodeFromUtf8	main	10000	131.826 ns	2.6052 ns	1.04
   DecodeFromUtf8	PR #135239	10000	127.140 ns	0.1640 ns	1.00
   DecodeFromChars	main	10000	230.363 ns	2.1897 ns	1.09
   DecodeFromChars	PR #135239	10000	211.460 ns	1.1224 ns	1.00
   DecodeFromUtf8InPlace	main	10000	214.414 ns	4.2714 ns	0.99
   DecodeFromUtf8InPlace	PR #135239	10000	215.647 ns	0.3647 ns	1.00

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