48 lines
869 B
C#
48 lines
869 B
C#
using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Running;
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BenchmarkRunner.Run<SwapBenchmarks>();
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[SimpleJob, MemoryDiagnoser(false)]
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public class SwapBenchmarks
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{
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[Benchmark]
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[Arguments(69, 420)]
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public void Swap1(ref int a, ref int b)
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{
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a ^= b ^ (b = a);
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}
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[Benchmark]
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[Arguments(69, 420)]
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public void Swap2(ref int a, ref int b)
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{
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a = (a ^= b) ^ (b ^= a);
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}
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[Benchmark]
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[Arguments(69, 420)]
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public void Swap3(ref int a, ref int b)
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{
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a ^= b;
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b ^= a;
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a ^= b;
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}
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[Benchmark]
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[Arguments(69, 420)]
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public void SwapClassic(ref int a, ref int b)
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{
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int t = a;
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a = b;
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b = t;
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}
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[Benchmark]
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[Arguments(69, 420)]
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public void SwapViaDeconstruction(ref int a, ref int b)
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{
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(a, b) = (b, a);
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}
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}
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