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Fixed the benchmarks. All results make sense now! 

(cherry picked from commit 0d79d4eb58fa1002979f4157eb18c6291a164b06)
af/merge-core
Anton Firszov 7 years ago
parent
50867d84cb
commit
fd0e1bda6e
2 changed files with 29 additions and 132 deletions
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  1. 128
      tests/ImageSharp.Benchmarks/General/PixelConversion/PixelConversion_Rgba32_To_Argb32.cs
  2. 33
      tests/ImageSharp.Benchmarks/General/PixelConversion/PixelConversion_Rgba32_To_Bgra32.cs

128
tests/ImageSharp.Benchmarks/General/PixelConversion/PixelConversion_Rgba32_To_Argb32.cs
View File

@ -63,7 +63,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
ref Rgba32 sBase = ref this.source[0];
ref Argb32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 2; i += 2)
for (int i = 0; i < this.Count; i += 2)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
Rgba32 s1 = Unsafe.Add(ref s0, 1);
@ -81,7 +81,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
ref Rgba32 sBase = ref this.source[0];
ref Argb32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 4; i += 4)
for (int i = 0; i < this.Count; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
@ -98,119 +98,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
Unsafe.Add(ref d2, 1).FromRgba32(s3);
}
}
[Benchmark]
public void Default_Group4_ManualInline_V1()
{
ref Rgba32 sBase = ref this.source[0];
ref Argb32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 4; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
ref Rgba32 s2 = ref Unsafe.Add(ref s1, 1);
Rgba32 s3 = Unsafe.Add(ref s2, 1);
ref Argb32 d0 = ref Unsafe.Add(ref dBase, i);
ref Argb32 d1 = ref Unsafe.Add(ref d0, 1);
ref Argb32 d2 = ref Unsafe.Add(ref d1, 1);
ref Argb32 d3 = ref Unsafe.Add(ref d2, 1);
d0.R = s0.R;
d0.G = s0.G;
d0.B = s0.B;
d0.A = s0.A;
d1.R = s1.R;
d1.G = s1.G;
d1.B = s1.B;
d1.A = s1.A;
d2.R = s2.R;
d2.G = s2.G;
d2.B = s2.B;
d2.A = s2.A;
d3.R = s3.R;
d3.G = s3.G;
d3.B = s3.B;
d3.A = s3.A;
}
}
[Benchmark]
public void Default_Group4_ManualInline_V2()
{
ref Rgba32 sBase = ref this.source[0];
ref Argb32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 4; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
ref Rgba32 s2 = ref Unsafe.Add(ref s1, 1);
Rgba32 s3 = Unsafe.Add(ref s2, 1);
ref Argb32 d0 = ref Unsafe.Add(ref dBase, i);
ref Argb32 d1 = ref Unsafe.Add(ref d0, 1);
ref Argb32 d2 = ref Unsafe.Add(ref d1, 1);
ref Argb32 d3 = ref Unsafe.Add(ref d2, 1);
d0.R = s0.R;
d1.R = s1.R;
d2.R = s2.R;
d3.R = s3.R;
d0.G = s0.G;
d1.G = s1.G;
d2.G = s2.G;
d3.G = s3.G;
d0.B = s0.B;
d1.B = s1.B;
d2.B = s2.B;
d3.B = s3.B;
d0.A = s0.A;
d1.A = s1.A;
d2.A = s2.A;
d3.A = s3.A;
}
}
[MethodImpl(MethodImplOptions.NoInlining)]
private static void Group4GenericImpl<TPixel>(ReadOnlySpan<Rgba32> source, Span<TPixel> dest)
where TPixel : struct, IPixel<TPixel>
{
ref Rgba32 sBase = ref MemoryMarshal.GetReference(source);
ref TPixel dBase = ref MemoryMarshal.GetReference(dest);
for (int i = 0; i < source.Length / 4; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
ref Rgba32 s2 = ref Unsafe.Add(ref s1, 1);
Rgba32 s3 = Unsafe.Add(ref s2, 1);
ref TPixel d0 = ref Unsafe.Add(ref dBase, i);
ref TPixel d1 = ref Unsafe.Add(ref d0, 1);
ref TPixel d2 = ref Unsafe.Add(ref d1, 1);
d0.FromRgba32(s0);
d1.FromRgba32(s1);
d2.FromRgba32(s2);
Unsafe.Add(ref d2, 1).FromRgba32(s3);
}
}
[Benchmark]
public void Default_Group4_Generic()
{
Group4GenericImpl(this.source.AsSpan(), this.dest.AsSpan());
}
[Benchmark]
public void BitOps()
{
@ -274,5 +162,15 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
return tmp1 + tmp3;
}
}
// RESULTS:
// Method | Count | Mean | Error | StdDev | Scaled |
// -------------------- |------ |----------:|----------:|----------:|-------:|
// Default | 64 | 107.33 ns | 1.0633 ns | 0.9426 ns | 1.00 |
// Default_Generic | 64 | 111.15 ns | 0.3789 ns | 0.3544 ns | 1.04 |
// Default_Group2 | 64 | 90.36 ns | 0.7779 ns | 0.6896 ns | 0.84 |
// Default_Group4 | 64 | 82.39 ns | 0.2726 ns | 0.2550 ns | 0.77 |
// BitOps | 64 | 39.25 ns | 0.3266 ns | 0.2895 ns | 0.37 |
// BitOps_GroupAsULong | 64 | 41.80 ns | 0.2227 ns | 0.2083 ns | 0.39 |
}
}

33
tests/ImageSharp.Benchmarks/General/PixelConversion/PixelConversion_Rgba32_To_Bgra32.cs
View File

@ -82,7 +82,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
ref Rgba32 sBase = ref this.source[0];
ref Bgra32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 2; i+=2)
for (int i = 0; i < this.Count; i+=2)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
Rgba32 s1 = Unsafe.Add(ref s0, 1);
@ -99,7 +99,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
ref Rgba32 sBase = ref this.source[0];
ref Bgra32 dBase = ref this.dest[0];
for (int i = 0; i < this.Count / 4; i += 4)
for (int i = 0; i < this.Count; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
@ -116,7 +116,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
Unsafe.Add(ref d2, 1).FromRgba32(s3);
}
}
[MethodImpl(MethodImplOptions.NoInlining)]
private static void Group4GenericImpl<TPixel>(ReadOnlySpan<Rgba32> source, Span<TPixel> dest)
where TPixel : struct, IPixel<TPixel>
@ -124,7 +124,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
ref Rgba32 sBase = ref MemoryMarshal.GetReference(source);
ref TPixel dBase = ref MemoryMarshal.GetReference(dest);
for (int i = 0; i < source.Length / 4; i += 4)
for (int i = 0; i < source.Length; i += 4)
{
ref Rgba32 s0 = ref Unsafe.Add(ref sBase, i);
ref Rgba32 s1 = ref Unsafe.Add(ref s0, 1);
@ -142,7 +142,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
}
}
[Benchmark]
//[Benchmark]
public void Default_Group4_Generic()
{
Group4GenericImpl(this.source.AsSpan(), this.dest.AsSpan());
@ -215,7 +215,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
}
}
[Benchmark]
//[Benchmark]
public void Bitops_SingleTuple()
{
ref Tuple4OfUInt32 sBase = ref Unsafe.As<Rgba32, Tuple4OfUInt32>(ref this.source[0]);
@ -226,7 +226,7 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
}
}
[Benchmark]
//[Benchmark]
public void Bitops_Simd()
{
ref Octet.OfUInt32 sBase = ref Unsafe.As<Rgba32, Octet.OfUInt32>(ref this.source[0]);
@ -379,15 +379,14 @@ namespace SixLabors.ImageSharp.Benchmarks.General.PixelConversion
// RESULTS:
// Method | Count | Mean | Error | StdDev | Scaled |
// ----------------------- |------ |----------:|----------:|----------:|-------:|
// Default | 64 | 107.13 ns | 0.7752 ns | 0.6872 ns | 1.00 |
// Default_Generic | 64 | 113.78 ns | 0.7713 ns | 0.6022 ns | 1.06 |
// Default_Group2 | 64 | 43.72 ns | 0.1711 ns | 0.1600 ns | 0.41 |
// Default_Group4 | 64 | 23.47 ns | 0.1901 ns | 0.1588 ns | 0.22 |
// Default_Group4_Generic | 64 | 32.46 ns | 0.4297 ns | 0.4019 ns | 0.30 |
// Bitops_Tuple | 64 | 77.71 ns | 0.2779 ns | 0.2599 ns | 0.73 |
// Bitops_SingleTuple | 64 | 58.64 ns | 0.4511 ns | 0.4220 ns | 0.55 |
// Bitops_Simd | 64 | 110.58 ns | 0.4686 ns | 0.4383 ns | 1.03 |
// Method | Count | Mean | Error | StdDev | Scaled |
// -------------------- |------ |----------:|----------:|----------:|-------:|
// Default | 64 | 106.84 ns | 0.4042 ns | 0.3583 ns | 1.00 |
// Default_Generic | 64 | 113.11 ns | 0.6998 ns | 0.6203 ns | 1.06 |
// Default_Group2 | 64 | 86.81 ns | 0.4976 ns | 0.4654 ns | 0.81 |
// Default_Group4 | 64 | 83.53 ns | 1.3826 ns | 1.2933 ns | 0.78 |
// BitOps | 64 | 54.23 ns | 0.1920 ns | 0.1796 ns | 0.51 |
// Bitops_Tuple | 64 | 73.45 ns | 0.5475 ns | 0.4853 ns | 0.69 |
// BitOps_GroupAsULong | 64 | 64.28 ns | 0.4046 ns | 0.3785 ns | 0.60 |
}
}
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