d3cfe19d7e
Co-authored-by: Marco Borgeaud <89914223+marco-antognini-sonarsource@users.noreply.github.com>
68 lines
1.6 KiB
Plaintext
68 lines
1.6 KiB
Plaintext
== Resources
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=== Documentation
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* https://learn.microsoft.com/en-us/dotnet/api/system.string.startswith[string.StartsWith]
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* https://learn.microsoft.com/en-us/dotnet/api/system.string.endswith[string.EndsWith]
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=== Benchmarks
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[options="header"]
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|===
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| Method | Mean | StdDev | Median
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| StartsWith_String | 30.965 ms | 3.2732 ms | 29.932 ms
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| StartsWith_Char | 7.568 ms | 0.3235 ms | 7.534 ms
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| EndsWith_String | 30.421 ms | 5.1136 ms | 28.101 ms
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| EndsWith_Char | 8.067 ms | 0.7092 ms | 7.935 ms
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|===
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The results were generated by running the following snippet with https://github.com/dotnet/BenchmarkDotNet[BenchmarkDotNet]:
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[source,csharp]
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----
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private List<string> data;
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[Params(1_000_000)]
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public int N { get; set; }
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[GlobalSetup]
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public void Setup() =>
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data = Enumerable.Range(0, N).Select(_ => Guid.NewGuid().ToString()).ToList();
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[Benchmark]
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public void StartsWith_String()
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{
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_ = data.Where(guid => guid.StartsWith("d")).ToList();
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}
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[Benchmark]
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public void StartsWith_Char()
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{
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_ = data.Where(guid => guid.StartsWith('d')).ToList();
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}
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[Benchmark]
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public void EndsWith_String()
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{
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_ = data.Where(guid => guid.EndsWith("d")).ToList();
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}
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[Benchmark]
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public void EndsWith_Char()
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{
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_ = data.Where(guid => guid.EndsWith('d')).ToList();
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}
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----
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Hardware configuration:
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[source,text]
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----
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BenchmarkDotNet=v0.13.5, OS=Windows 10 (10.0.19045.2846/22H2/2022Update)
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11th Gen Intel Core i7-11850H 2.50GHz, 1 CPU, 16 logical and 8 physical cores
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.NET SDK=7.0.203
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[Host] : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2
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.NET 7.0 : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2
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----
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