Benchmarks for dotnet/runtime#125547 (for @Copilot) #40

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1. EgorBot commented on Mar 14, 2026

   

   EgorBot

   on Mar 14, 2026

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   Results for macos26_helix_arm64

   @Copilot

   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.3.26164.101
     [Host]     : .NET 10.0.5 (10.0.5, 10.0.526.15411), Arm64 RyuJIT armv8.0-a
   

   Method	Toolchain	KeyLength	Mean	Error	Ratio
   Lookup_Ordinal	PR #125547**	4	132.9 ns	0.05 ns	1.00
   Lookup_Ordinal	main	4	134.8 ns	0.06 ns	1.01
   Lookup_OrdinalIgnoreCase	PR #125547	4	137.3 ns	0.06 ns	1.00
   Lookup_OrdinalIgnoreCase	main	4	138.1 ns	0.05 ns	1.01
   Lookup_Ordinal	PR #125547**	5	133.0 ns	0.09 ns	1.00
   Lookup_Ordinal	main	5	134.0 ns	0.05 ns	1.01
   Lookup_OrdinalIgnoreCase	PR #125547	5	137.3 ns	0.04 ns	1.00
   Lookup_OrdinalIgnoreCase	main	5	138.1 ns	0.07 ns	1.01
   Lookup_Ordinal	PR #125547**	8	132.9 ns	0.06 ns	1.00
   Lookup_Ordinal	main	8	134.0 ns	0.05 ns	1.01
   Lookup_OrdinalIgnoreCase	PR #125547	8	137.5 ns	0.15 ns	1.00
   Lookup_OrdinalIgnoreCase	main	8	138.1 ns	0.06 ns	1.00
   Lookup_Ordinal	PR #125547**	20	132.9 ns	0.06 ns	1.00
   Lookup_Ordinal	main	20	133.9 ns	0.05 ns	1.01
   Lookup_OrdinalIgnoreCase	PR #125547	20	137.3 ns	0.07 ns	1.00
   Lookup_OrdinalIgnoreCase	main	20	138.0 ns	0.08 ns	1.01

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2. EgorBot commented on Mar 14, 2026

   

   EgorBot

   on Mar 14, 2026

   OwnerAuthor

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   Results for ubuntu24_azure_turin

   @Copilot

   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.3.26164.101
     [Host]     : .NET 10.0.5 (10.0.5, 10.0.526.15411), X64 RyuJIT x86-64-v4
   

   Method	Toolchain	KeyLength	Mean	Error	Ratio
   Lookup_Ordinal	PR #125547**	4	164.7 ns	0.89 ns	1.00
   Lookup_Ordinal	main	4	172.8 ns	1.23 ns	1.05
   Lookup_OrdinalIgnoreCase	PR #125547	4	170.3 ns	0.78 ns	1.00
   Lookup_OrdinalIgnoreCase	main	4	174.7 ns	2.91 ns	1.03
   Lookup_Ordinal	PR #125547**	5	167.4 ns	2.21 ns	1.00
   Lookup_Ordinal	main	5	168.6 ns	3.31 ns	1.01
   Lookup_OrdinalIgnoreCase	PR #125547	5	165.4 ns	2.85 ns	1.00
   Lookup_OrdinalIgnoreCase	main	5	173.3 ns	3.02 ns	1.05
   Lookup_Ordinal	PR #125547**	8	160.1 ns	3.16 ns	1.00
   Lookup_Ordinal	main	8	167.3 ns	3.36 ns	1.05
   Lookup_OrdinalIgnoreCase	PR #125547	8	163.7 ns	3.17 ns	1.00
   Lookup_OrdinalIgnoreCase	main	8	177.0 ns	3.36 ns	1.08
   Lookup_Ordinal	PR #125547**	20	161.9 ns	2.93 ns	1.00
   Lookup_Ordinal	main	20	174.2 ns	0.75 ns	1.08
   Lookup_OrdinalIgnoreCase	PR #125547	20	168.1 ns	3.34 ns	1.00
   Lookup_OrdinalIgnoreCase	main	20	199.2 ns	3.88 ns	1.19

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