Created
December 12, 2021 13:45
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[MemoryDiagnoser] | |
public class BenchmarkDemo2 | |
{ | |
private static readonly string _dateString = "01 05 1991"; | |
[Benchmark(Baseline = true)] | |
public DateTime Original() | |
{ | |
var day = _dateString.Substring(0, 2); | |
var month = _dateString.Substring(3, 2); | |
var year = _dateString.Substring(6); | |
return new DateTime(int.Parse(year), | |
int.Parse(month), | |
int.Parse(day)); | |
} | |
[Benchmark] | |
public DateTime Span() | |
{ | |
ReadOnlySpan<char> dateSpan = _dateString; | |
var day = dateSpan.Slice(0, 2); | |
var month = dateSpan.Slice(3, 2); | |
var year = dateSpan.Slice(6); | |
return new DateTime(int.Parse(year), | |
int.Parse(month), | |
int.Parse(day)); | |
} | |
} |
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