tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Replaced unsafe Block8x8F/Vector4<float> -> Vector256<float> casts

pull/1632/head
Dmitry Pentin 5 years ago
parent
d2510036a6
commit
ceb4fdfae0
2 changed files with 41 additions and 72 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 105
      src/ImageSharp/Formats/Jpeg/Components/Block8x8F.cs
  2. 8
      src/ImageSharp/Formats/Jpeg/Components/Encoder/RgbToYCbCrConverterVectorized.cs

105
src/ImageSharp/Formats/Jpeg/Components/Block8x8F.cs
View File

@ -313,14 +313,14 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
if (Avx.IsSupported)
{
var valueVec = Vector256.Create(value);
Unsafe.As<Vector4, Vector256<float>>(ref this.V0L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V0L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V1L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V1L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V2L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V2L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V3L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V3L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V4L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V4L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V5L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V5L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V6L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V6L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V7L) = Avx.Multiply(Unsafe.As<Vector4, Vector256<float>>(ref this.V7L), valueVec);
this.V0 = Avx.Multiply(this.V0, valueVec);
this.V1 = Avx.Multiply(this.V1, valueVec);
this.V2 = Avx.Multiply(this.V2, valueVec);
this.V3 = Avx.Multiply(this.V3, valueVec);
this.V4 = Avx.Multiply(this.V4, valueVec);
this.V5 = Avx.Multiply(this.V5, valueVec);
this.V6 = Avx.Multiply(this.V6, valueVec);
this.V7 = Avx.Multiply(this.V7, valueVec);
}
else
#endif
@ -354,45 +354,14 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
#if SUPPORTS_RUNTIME_INTRINSICS
if (Avx.IsSupported)
{
Unsafe.As<Vector4, Vector256<float>>(ref this.V0L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V0L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V0L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V1L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V1L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V1L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V2L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V2L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V2L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V3L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V3L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V3L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V4L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V4L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V4L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V5L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V5L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V5L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V6L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V6L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V6L));
Unsafe.As<Vector4, Vector256<float>>(ref this.V7L)
= Avx.Multiply(
Unsafe.As<Vector4, Vector256<float>>(ref this.V7L),
Unsafe.As<Vector4, Vector256<float>>(ref other.V7L));
this.V0 = Avx.Multiply(this.V0, other.V0);
this.V1 = Avx.Multiply(this.V1, other.V1);
this.V2 = Avx.Multiply(this.V2, other.V2);
this.V3 = Avx.Multiply(this.V3, other.V3);
this.V4 = Avx.Multiply(this.V4, other.V4);
this.V5 = Avx.Multiply(this.V5, other.V5);
this.V6 = Avx.Multiply(this.V6, other.V6);
this.V7 = Avx.Multiply(this.V7, other.V7);
}
else
#endif
@ -427,14 +396,14 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
if (Avx.IsSupported)
{
var valueVec = Vector256.Create(value);
Unsafe.As<Vector4, Vector256<float>>(ref this.V0L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V0L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V1L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V1L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V2L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V2L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V3L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V3L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V4L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V4L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V5L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V5L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V6L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V6L), valueVec);
Unsafe.As<Vector4, Vector256<float>>(ref this.V7L) = Avx.Add(Unsafe.As<Vector4, Vector256<float>>(ref this.V7L), valueVec);
this.V0 = Avx.Add(this.V0, valueVec);
this.V1 = Avx.Add(this.V1, valueVec);
this.V2 = Avx.Add(this.V2, valueVec);
this.V3 = Avx.Add(this.V3, valueVec);
this.V4 = Avx.Add(this.V4, valueVec);
this.V5 = Avx.Add(this.V5, valueVec);
this.V6 = Avx.Add(this.V6, valueVec);
this.V7 = Avx.Add(this.V7, valueVec);
}
else
#endif
@ -529,12 +498,12 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
var f2 = Vector256.Create(2f);
var f025 = Vector256.Create(0.25f);
Vector256<int> switchInnerDoubleWords = Unsafe.As<byte, Vector256<int>>(ref MemoryMarshal.GetReference(SimdUtils.HwIntrinsics.PermuteMaskSwitchInnerDWords8x32));
ref Vector256<float> destRef = ref Unsafe.As<Block8x8F, Vector256<float>>(ref destination);
ref Vector256<float> destRef = ref destination.V0;
for (int i = 0; i < 2; i++)
{
ref Vector256<float> in1 = ref Unsafe.As<Block8x8F, Vector256<float>>(ref Unsafe.Add(ref MemoryMarshal.GetReference(source), 2 * i));
ref Vector256<float> in2 = ref Unsafe.As<Block8x8F, Vector256<float>>(ref Unsafe.Add(ref MemoryMarshal.GetReference(source), (2 * i) + 1));
ref Vector256<float> in1 = ref Unsafe.Add(ref MemoryMarshal.GetReference(source), 2 * i).V0;
ref Vector256<float> in2 = ref Unsafe.Add(ref MemoryMarshal.GetReference(source), (2 * i) + 1).V0;
for (int j = 0; j < 8; j += 2)
{
@ -588,8 +557,8 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
var vadd = Vector256.Create(.5F);
var vone = Vector256.Create(1f);
ref Vector256<float> aBase = ref Unsafe.AsRef(Unsafe.As<Vector4, Vector256<float>>(ref a.V0L));
ref Vector256<float> bBase = ref Unsafe.AsRef(Unsafe.As<Vector4, Vector256<float>>(ref b.V0L));
ref Vector256<float> aBase = ref a.V0;
ref Vector256<float> bBase = ref b.V0;
ref Vector256<float> aEnd = ref Unsafe.Add(ref aBase, 8);
do
@ -840,26 +809,26 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components
Vector256<float> t0 = Avx.UnpackLow(r0, r1);
Vector256<float> t2 = Avx.UnpackLow(r2, r3);
Vector256<float> v = Avx.Shuffle(t0, t2, 0x4E);
Unsafe.As<Vector4, Vector256<float>>(ref d.V0L) = Avx.Blend(t0, v, 0xCC);
Unsafe.As<Vector4, Vector256<float>>(ref d.V1L) = Avx.Blend(t2, v, 0x33);
d.V0 = Avx.Blend(t0, v, 0xCC);
d.V1 = Avx.Blend(t2, v, 0x33);
Vector256<float> t4 = Avx.UnpackLow(r4, r5);
Vector256<float> t6 = Avx.UnpackLow(r6, r7);
v = Avx.Shuffle(t4, t6, 0x4E);
Unsafe.As<Vector4, Vector256<float>>(ref d.V4L) = Avx.Blend(t4, v, 0xCC);
Unsafe.As<Vector4, Vector256<float>>(ref d.V5L) = Avx.Blend(t6, v, 0x33);
d.V4 = Avx.Blend(t4, v, 0xCC);
d.V5 = Avx.Blend(t6, v, 0x33);
Vector256<float> t1 = Avx.UnpackHigh(r0, r1);
Vector256<float> t3 = Avx.UnpackHigh(r2, r3);
v = Avx.Shuffle(t1, t3, 0x4E);
Unsafe.As<Vector4, Vector256<float>>(ref d.V2L) = Avx.Blend(t1, v, 0xCC);
Unsafe.As<Vector4, Vector256<float>>(ref d.V3L) = Avx.Blend(t3, v, 0x33);
d.V2 = Avx.Blend(t1, v, 0xCC);
d.V3 = Avx.Blend(t3, v, 0x33);
Vector256<float> t5 = Avx.UnpackHigh(r4, r5);
Vector256<float> t7 = Avx.UnpackHigh(r6, r7);
v = Avx.Shuffle(t5, t7, 0x4E);
Unsafe.As<Vector4, Vector256<float>>(ref d.V6L) = Avx.Blend(t5, v, 0xCC);
Unsafe.As<Vector4, Vector256<float>>(ref d.V7L) = Avx.Blend(t7, v, 0x33);
d.V6 = Avx.Blend(t5, v, 0xCC);
d.V7 = Avx.Blend(t7, v, 0x33);
}
else
#endif

8
src/ImageSharp/Formats/Jpeg/Components/Encoder/RgbToYCbCrConverterVectorized.cs
View File

@ -1,4 +1,4 @@
// Copyright (c) Six Labors.
// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.
using System;
@ -64,9 +64,9 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Encoder
var zero = Vector256.Create(0).AsByte();
ref Vector256<byte> inRef = ref Unsafe.As<Rgb24, Vector256<byte>>(ref MemoryMarshal.GetReference(rgbSpan));
ref Vector256<float> destYRef = ref Unsafe.As<Block8x8F, Vector256<float>>(ref yBlock);
ref Vector256<float> destCbRef = ref Unsafe.As<Block8x8F, Vector256<float>>(ref cbBlock);
ref Vector256<float> destCrRef = ref Unsafe.As<Block8x8F, Vector256<float>>(ref crBlock);
ref Vector256<float> destYRef = ref yBlock.V0;
ref Vector256<float> destCbRef = ref cbBlock.V0;
ref Vector256<float> destCrRef = ref crBlock.V0;
var extractToLanesMask = Unsafe.As<byte, Vector256<uint>>(ref MemoryMarshal.GetReference(MoveFirst24BytesToSeparateLanes));
var extractRgbMask = Unsafe.As<byte, Vector256<byte>>(ref MemoryMarshal.GetReference(ExtractRgb));

Write Preview
Loading…
Cancel
Save