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46 lines
1.1 KiB
46 lines
1.1 KiB
using System;
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using System.Globalization;
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Running;
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using MediaBrowser.Common;
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namespace Jellyfin.Common.Benches
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{
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[MemoryDiagnoser]
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public class HexDecodeBenches
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{
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private string _data;
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[Params(0, 10, 100, 1000, 10000, 1000000)]
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public int N { get; set; }
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[GlobalSetup]
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public void GlobalSetup()
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{
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var bytes = new byte[N];
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new Random(42).NextBytes(bytes);
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_data = Hex.Encode(bytes);
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}
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[Benchmark]
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public byte[] Decode() => Hex.Decode(_data);
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[Benchmark]
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public byte[] DecodeSubString() => DecodeSubString(_data);
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private static byte[] DecodeSubString(string str)
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{
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byte[] bytes = new byte[str.Length / 2];
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for (int i = 0; i < str.Length; i += 2)
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{
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bytes[i / 2] = byte.Parse(
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str.Substring(i, 2),
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NumberStyles.HexNumber,
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CultureInfo.InvariantCulture);
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}
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return bytes;
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}
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}
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}
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