String.Contains tests - rianjs/DotNetPerfTesting GitHub Wiki

• https://github.com/rianjs/DotNetPerfTesting/blob/master/PerfTesting/PerfTesting/Strings/ContainsTests.cs

BenchmarkDotNet=v0.13.5, OS=macOS Ventura 13.2.1 (22D68) [Darwin 22.3.0]
Intel Core i7-8850H CPU 2.60GHz (Coffee Lake), 1 CPU, 12 logical and 6 physical cores
.NET SDK=7.0.102
  [Host]     : .NET 7.0.2 (7.0.222.60605), X64 RyuJIT AVX2
  DefaultJob : .NET 7.0.2 (7.0.222.60605), X64 RyuJIT AVX2

Method	Mean	Error	StdDev
StringContainsOrdinal	33.31 ns	0.666 ns	1.056 ns
StringContainsOrdinalIgnoreCase	80.29 ns	0.335 ns	0.280 ns
StringContainsInvariantCulture	10,121.47 ns	200.014 ns	498.105 ns
StringContainsInvariantCultureIgnoreCase	10,123.73 ns	201.105 ns	449.800 ns
StringContainsCurrentCulture	10,073.03 ns	187.097 ns	414.595 ns
StringContainsCurrentCultureIgnoreCase	10,107.69 ns	199.831 ns	478.783 ns