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49 lines
1.7 KiB
49 lines
1.7 KiB
// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using BenchmarkDotNet.Attributes;
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using SixLabors.ImageSharp.Formats.Jpeg.Components;
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namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg.BlockOperations;
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[Config(typeof(Config.HwIntrinsics_SSE_AVX))]
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public class Block8x8F_Quantize
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{
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private Block8x8F block = CreateFromScalar(1);
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private Block8x8F quant = CreateFromScalar(1);
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private Block8x8 result;
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[Benchmark]
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public short Quantize()
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{
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Block8x8F.Quantize(ref this.block, ref this.result, ref this.quant);
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return this.result[0];
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}
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private static Block8x8F CreateFromScalar(float scalar)
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{
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Block8x8F block = default;
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for (int i = 0; i < 64; i++)
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{
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block[i] = scalar;
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}
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return block;
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}
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}
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/*
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BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19042.1165 (20H2/October2020Update)
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Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores
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.NET SDK=6.0.100-preview.3.21202.5
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[Host] : .NET Core 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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1. No HwIntrinsics : .NET Core 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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2. SSE : .NET Core 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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3. AVX : .NET Core 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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| Method | Job | Mean | Error | StdDev | Ratio |
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|--------- |-----------------|---------:|---------:|---------:|------:|
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| Quantize | No HwIntrinsics | 73.34 ns | 1.081 ns | 1.011 ns | 1.00 |
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| Quantize | SSE | 24.11 ns | 0.298 ns | 0.279 ns | 0.33 |
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| Quantize | AVX | 15.90 ns | 0.074 ns | 0.065 ns | 0.22 |
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*/
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