Created
February 10, 2025 14:46
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Benchmark for Skip-Take, Take-Range and GetRange when working with List<T>
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using BenchmarkDotNet.Attributes; | |
using BenchmarkDotNet.Columns; | |
using BenchmarkDotNet.Configs; | |
using BenchmarkDotNet.Jobs; | |
using BenchmarkDotNet.Reports; | |
using System.Collections.Generic; | |
using System.Linq; | |
namespace Benchmarks | |
{ | |
[Config(typeof(Config))] | |
[HideColumns(Column.Job, Column.RatioSD, Column.AllocRatio)] | |
[SimpleJob(RuntimeMoniker.Net90)] | |
[MemoryDiagnoser] | |
[ReturnValueValidator(failOnError: true)] | |
[Orderer(BenchmarkDotNet.Order.SummaryOrderPolicy.SlowestToFastest)] | |
public class GetRangeBenchmark | |
{ | |
private List<string> _userIds; | |
[GlobalSetup] | |
public void Setup() | |
{ | |
_userIds = Enumerable.Range(1, 1000).Select(i => $"User{i}").ToList(); | |
} | |
[Benchmark(Baseline = true)] | |
public List<string> SkipAndTake() | |
{ | |
return _userIds.Skip(200).Take(200).ToList(); | |
} | |
[Benchmark] | |
public List<string> Take() | |
{ | |
return _userIds.Take(200..400).ToList(); | |
} | |
[Benchmark] | |
public List<string> GetRangeMethod() | |
{ | |
return _userIds.GetRange(200, 200); | |
} | |
private class Config : ManualConfig | |
{ | |
public Config() | |
{ | |
SummaryStyle = | |
SummaryStyle.Default.WithRatioStyle(RatioStyle.Trend); | |
} | |
} | |
} | |
} |
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