Port CMYK converter

src/ImageSharp/Common/Helpers/Vector128Utilities.cs

@@ -244,16 +244,6 @@ internal static class Vector128Utilities
             return Fma.MultiplyAdd(vm1, vm0, va);
         }
 
-        if (AdvSimd.IsSupported)
-        {
-            return AdvSimd.Add(AdvSimd.Multiply(vm0, vm1), va);
-        }
-
-        if (Sse.IsSupported)
-        {
-            return Sse.Add(Sse.Multiply(vm0, vm1), va);
-        }
-
         return va + (vm0 * vm1);
     }
 

src/ImageSharp/Formats/Jpeg/Components/ColorConverters/JpegColorConverter.CmykVector128.cs

@@ -0,0 +1,93 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+
+namespace SixLabors.ImageSharp.Formats.Jpeg.Components;
+
+internal abstract partial class JpegColorConverterBase
+{
+    internal sealed class CmykVector128 : JpegColorConverterVector128
+    {
+        public CmykVector128(int precision)
+            : base(JpegColorSpace.Cmyk, precision)
+        {
+        }
+
+        /// <inheritdoc/>
+        public override void ConvertToRgbInPlace(in ComponentValues values)
+        {
+            ref Vector128<float> c0Base =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector128<float> c1Base =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector128<float> c2Base =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector128<float> c3Base =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            // Used for the color conversion
+            Vector128<float> scale = Vector128.Create(1 / (this.MaximumValue * this.MaximumValue));
+
+            nuint n = values.Component0.Vector128Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                ref Vector128<float> c = ref Unsafe.Add(ref c0Base, i);
+                ref Vector128<float> m = ref Unsafe.Add(ref c1Base, i);
+                ref Vector128<float> y = ref Unsafe.Add(ref c2Base, i);
+                Vector128<float> k = Unsafe.Add(ref c3Base, i);
+
+                k *= scale;
+                c *= k;
+                m *= k;
+                y *= k;
+            }
+        }
+
+        /// <inheritdoc/>
+        public override void ConvertFromRgb(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+            => ConvertFromRgb(in values, this.MaximumValue, rLane, gLane, bLane);
+
+        public static void ConvertFromRgb(in ComponentValues values, float maxValue, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+        {
+            ref Vector128<float> destC =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector128<float> destM =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector128<float> destY =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector128<float> destK =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            ref Vector128<float> srcR =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(rLane));
+            ref Vector128<float> srcG =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(gLane));
+            ref Vector128<float> srcB =
+                ref Unsafe.As<float, Vector128<float>>(ref MemoryMarshal.GetReference(bLane));
+
+            Vector128<float> scale = Vector128.Create(maxValue);
+
+            nuint n = values.Component0.Vector128Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                Vector128<float> ctmp = scale - Unsafe.Add(ref srcR, i);
+                Vector128<float> mtmp = scale - Unsafe.Add(ref srcG, i);
+                Vector128<float> ytmp = scale - Unsafe.Add(ref srcB, i);
+                Vector128<float> ktmp = Vector128.Min(ctmp, Vector128.Min(mtmp, ytmp));
+
+                Vector128<float> kMask = Vector128.Equals(ktmp, scale);
+                ctmp = Vector128.AndNot((ctmp - ktmp) / (scale - ktmp), kMask);
+                mtmp = Vector128.AndNot((mtmp - ktmp) / (scale - ktmp), kMask);
+                ytmp = Vector128.AndNot((ytmp - ktmp) / (scale - ktmp), kMask);
+
+                Unsafe.Add(ref destC, i) = scale - (ctmp * scale);
+                Unsafe.Add(ref destM, i) = scale - (mtmp * scale);
+                Unsafe.Add(ref destY, i) = scale - (ytmp * scale);
+                Unsafe.Add(ref destK, i) = scale - ktmp;
+            }
+        }
+    }
+}

src/ImageSharp/Formats/Jpeg/Components/ColorConverters/JpegColorConverter.CmykVector256.cs

@@ -0,0 +1,93 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+
+namespace SixLabors.ImageSharp.Formats.Jpeg.Components;
+
+internal abstract partial class JpegColorConverterBase
+{
+    internal sealed class CmykVector256 : JpegColorConverterVector256
+    {
+        public CmykVector256(int precision)
+            : base(JpegColorSpace.Cmyk, precision)
+        {
+        }
+
+        /// <inheritdoc/>
+        public override void ConvertToRgbInPlace(in ComponentValues values)
+        {
+            ref Vector256<float> c0Base =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector256<float> c1Base =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector256<float> c2Base =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector256<float> c3Base =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            // Used for the color conversion
+            Vector256<float> scale = Vector256.Create(1 / (this.MaximumValue * this.MaximumValue));
+
+            nuint n = values.Component0.Vector256Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                ref Vector256<float> c = ref Unsafe.Add(ref c0Base, i);
+                ref Vector256<float> m = ref Unsafe.Add(ref c1Base, i);
+                ref Vector256<float> y = ref Unsafe.Add(ref c2Base, i);
+                Vector256<float> k = Unsafe.Add(ref c3Base, i);
+
+                k *= scale;
+                c *= k;
+                m *= k;
+                y *= k;
+            }
+        }
+
+        /// <inheritdoc/>
+        public override void ConvertFromRgb(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+            => ConvertFromRgb(in values, this.MaximumValue, rLane, gLane, bLane);
+
+        public static void ConvertFromRgb(in ComponentValues values, float maxValue, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+        {
+            ref Vector256<float> destC =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector256<float> destM =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector256<float> destY =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector256<float> destK =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            ref Vector256<float> srcR =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(rLane));
+            ref Vector256<float> srcG =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(gLane));
+            ref Vector256<float> srcB =
+                ref Unsafe.As<float, Vector256<float>>(ref MemoryMarshal.GetReference(bLane));
+
+            Vector256<float> scale = Vector256.Create(maxValue);
+
+            nuint n = values.Component0.Vector256Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                Vector256<float> ctmp = scale - Unsafe.Add(ref srcR, i);
+                Vector256<float> mtmp = scale - Unsafe.Add(ref srcG, i);
+                Vector256<float> ytmp = scale - Unsafe.Add(ref srcB, i);
+                Vector256<float> ktmp = Vector256.Min(ctmp, Vector256.Min(mtmp, ytmp));
+
+                Vector256<float> kMask = Vector256.Equals(ktmp, scale);
+                ctmp = Vector256.AndNot((ctmp - ktmp) / (scale - ktmp), kMask);
+                mtmp = Vector256.AndNot((mtmp - ktmp) / (scale - ktmp), kMask);
+                ytmp = Vector256.AndNot((ytmp - ktmp) / (scale - ktmp), kMask);
+
+                Unsafe.Add(ref destC, i) = scale - (ctmp * scale);
+                Unsafe.Add(ref destM, i) = scale - (mtmp * scale);
+                Unsafe.Add(ref destY, i) = scale - (ytmp * scale);
+                Unsafe.Add(ref destK, i) = scale - ktmp;
+            }
+        }
+    }
+}

src/ImageSharp/Formats/Jpeg/Components/ColorConverters/JpegColorConverter.CmykVector512.cs

@@ -0,0 +1,98 @@
+// Copyright (c) Six Labors.
+// Licensed under the Six Labors Split License.
+
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+
+namespace SixLabors.ImageSharp.Formats.Jpeg.Components;
+
+internal abstract partial class JpegColorConverterBase
+{
+    internal sealed class CmykVector512 : JpegColorConverterVector512
+    {
+        public CmykVector512(int precision)
+            : base(JpegColorSpace.Cmyk, precision)
+        {
+        }
+
+        /// <inheritdoc/>
+        protected override void ConvertToRgbInPlaceVectorized(in ComponentValues values)
+        {
+            ref Vector512<float> c0Base =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector512<float> c1Base =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector512<float> c2Base =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector512<float> c3Base =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            // Used for the color conversion
+            Vector512<float> scale = Vector512.Create(1 / (this.MaximumValue * this.MaximumValue));
+
+            nuint n = values.Component0.Vector512Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                ref Vector512<float> c = ref Unsafe.Add(ref c0Base, i);
+                ref Vector512<float> m = ref Unsafe.Add(ref c1Base, i);
+                ref Vector512<float> y = ref Unsafe.Add(ref c2Base, i);
+                Vector512<float> k = Unsafe.Add(ref c3Base, i);
+
+                k *= scale;
+                c *= k;
+                m *= k;
+                y *= k;
+            }
+        }
+
+        /// <inheritdoc/>
+        protected override void ConvertFromRgbVectorized(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+        {
+            ref Vector512<float> destC =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component0));
+            ref Vector512<float> destM =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component1));
+            ref Vector512<float> destY =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component2));
+            ref Vector512<float> destK =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(values.Component3));
+
+            ref Vector512<float> srcR =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(rLane));
+            ref Vector512<float> srcG =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(gLane));
+            ref Vector512<float> srcB =
+                ref Unsafe.As<float, Vector512<float>>(ref MemoryMarshal.GetReference(bLane));
+
+            Vector512<float> scale = Vector512.Create(this.MaximumValue);
+
+            nuint n = values.Component0.Vector512Count<float>();
+            for (nuint i = 0; i < n; i++)
+            {
+                Vector512<float> ctmp = scale - Unsafe.Add(ref srcR, i);
+                Vector512<float> mtmp = scale - Unsafe.Add(ref srcG, i);
+                Vector512<float> ytmp = scale - Unsafe.Add(ref srcB, i);
+                Vector512<float> ktmp = Vector512.Min(ctmp, Vector512.Min(mtmp, ytmp));
+
+                Vector512<float> kMask = Vector512.Equals(ktmp, scale);
+                ctmp = Vector512.AndNot((ctmp - ktmp) / (scale - ktmp), kMask);
+                mtmp = Vector512.AndNot((mtmp - ktmp) / (scale - ktmp), kMask);
+                ytmp = Vector512.AndNot((ytmp - ktmp) / (scale - ktmp), kMask);
+
+                Unsafe.Add(ref destC, i) = scale - (ctmp * scale);
+                Unsafe.Add(ref destM, i) = scale - (mtmp * scale);
+                Unsafe.Add(ref destY, i) = scale - (ytmp * scale);
+                Unsafe.Add(ref destK, i) = scale - ktmp;
+            }
+        }
+
+        /// <inheritdoc/>
+        protected override void ConvertToRgbInPlaceScalarRemainder(in ComponentValues values)
+             => CmykScalar.ConvertToRgbInplace(values, this.MaximumValue);
+
+        /// <inheritdoc/>
+        protected override void ConvertFromRgbScalarRemainder(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
+            => CmykScalar.ConvertFromRgb(values, this.MaximumValue, rLane, gLane, bLane);
+    }
+}

src/ImageSharp/Formats/Jpeg/Components/ColorConverters/JpegColorConverter.YCbCrVector.cs

@@ -1,126 +0,0 @@
-// Copyright (c) Six Labors.
-// Licensed under the Six Labors Split License.
-
-using System.Numerics;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
-
-// ReSharper disable ImpureMethodCallOnReadonlyValueField
-namespace SixLabors.ImageSharp.Formats.Jpeg.Components;
-
-internal abstract partial class JpegColorConverterBase
-{
-    internal sealed class YCbCrVector : JpegColorConverterVector
-    {
-        public YCbCrVector(int precision)
-            : base(JpegColorSpace.YCbCr, precision)
-        {
-        }
-
-        /// <inheritdoc/>
-        protected override void ConvertToRgbInPlaceVectorized(in ComponentValues values)
-        {
-            ref Vector<float> c0Base =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component0));
-            ref Vector<float> c1Base =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component1));
-            ref Vector<float> c2Base =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component2));
-
-            Vector<float> chromaOffset = new(-this.HalfValue);
-
-            Vector<float> scale = new(1 / this.MaximumValue);
-            Vector<float> rCrMult = new(YCbCrScalar.RCrMult);
-            Vector<float> gCbMult = new(-YCbCrScalar.GCbMult);
-            Vector<float> gCrMult = new(-YCbCrScalar.GCrMult);
-            Vector<float> bCbMult = new(YCbCrScalar.BCbMult);
-
-            nuint n = values.Component0.VectorCount<float>();
-            for (nuint i = 0; i < n; i++)
-            {
-                // y = yVals[i];
-                // cb = cbVals[i] - 128F;
-                // cr = crVals[i] - 128F;
-                ref Vector<float> c0 = ref Unsafe.Add(ref c0Base, i);
-                ref Vector<float> c1 = ref Unsafe.Add(ref c1Base, i);
-                ref Vector<float> c2 = ref Unsafe.Add(ref c2Base, i);
-                Vector<float> y = Unsafe.Add(ref c0Base, i);
-                Vector<float> cb = Unsafe.Add(ref c1Base, i) + chromaOffset;
-                Vector<float> cr = Unsafe.Add(ref c2Base, i) + chromaOffset;
-
-                // r = y + (1.402F * cr);
-                // g = y - (0.344136F * cb) - (0.714136F * cr);
-                // b = y + (1.772F * cb);
-                Vector<float> r = y + (cr * rCrMult);
-                Vector<float> g = y + (cb * gCbMult) + (cr * gCrMult);
-                Vector<float> b = y + (cb * bCbMult);
-
-                r = r.RoundToNearestInteger();
-                g = g.RoundToNearestInteger();
-                b = b.RoundToNearestInteger();
-                r *= scale;
-                g *= scale;
-                b *= scale;
-
-                c0 = r;
-                c1 = g;
-                c2 = b;
-            }
-        }
-
-        /// <inheritdoc/>
-        protected override void ConvertToRgbInPlaceScalarRemainder(in ComponentValues values)
-            => YCbCrScalar.ConvertToRgbInplace(values, this.MaximumValue, this.HalfValue);
-
-        /// <inheritdoc/>
-        protected override void ConvertFromRgbVectorized(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
-        {
-            ref Vector<float> destY =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component0));
-            ref Vector<float> destCb =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component1));
-            ref Vector<float> destCr =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(values.Component2));
-
-            ref Vector<float> srcR =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(rLane));
-            ref Vector<float> srcG =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(gLane));
-            ref Vector<float> srcB =
-                ref Unsafe.As<float, Vector<float>>(ref MemoryMarshal.GetReference(bLane));
-
-            Vector<float> chromaOffset = new(this.HalfValue);
-
-            Vector<float> rYMult = new(0.299f);
-            Vector<float> gYMult = new(0.587f);
-            Vector<float> bYMult = new(0.114f);
-
-            Vector<float> rCbMult = new(0.168736f);
-            Vector<float> gCbMult = new(0.331264f);
-            Vector<float> bCbMult = new(0.5f);
-
-            Vector<float> rCrMult = new(0.5f);
-            Vector<float> gCrMult = new(0.418688f);
-            Vector<float> bCrMult = new(0.081312f);
-
-            nuint n = values.Component0.VectorCount<float>();
-            for (nuint i = 0; i < n; i++)
-            {
-                Vector<float> r = Unsafe.Add(ref srcR, i);
-                Vector<float> g = Unsafe.Add(ref srcG, i);
-                Vector<float> b = Unsafe.Add(ref srcB, i);
-
-                // y  =   0 + (0.299 * r) + (0.587 * g) + (0.114 * b)
-                // cb = 128 - (0.168736 * r) - (0.331264 * g) + (0.5 * b)
-                // cr = 128 + (0.5 * r) - (0.418688 * g) - (0.081312 * b)
-                Unsafe.Add(ref destY, i) = (rYMult * r) + (gYMult * g) + (bYMult * b);
-                Unsafe.Add(ref destCb, i) = chromaOffset - (rCbMult * r) - (gCbMult * g) + (bCbMult * b);
-                Unsafe.Add(ref destCr, i) = chromaOffset + (rCrMult * r) - (gCrMult * g) - (bCrMult * b);
-            }
-        }
-
-        /// <inheritdoc/>
-        protected override void ConvertFromRgbScalarRemainder(in ComponentValues values, Span<float> rLane, Span<float> gLane, Span<float> bLane)
-            => YCbCrScalar.ConvertFromRgb(values, this.HalfValue, rLane, gLane, bLane);
-    }
-}

src/ImageSharp/Formats/Jpeg/Components/ColorConverters/JpegColorConverterBase.cs

@@ -131,11 +131,6 @@ internal abstract partial class JpegColorConverterBase
             return new YCbCrVector128(precision);
         }
 
-        if (JpegColorConverterVector.IsSupported)
-        {
-            return new YCbCrVector(precision);
-        }
-
         return new YCbCrScalar(precision);
     }
 
@@ -159,9 +154,19 @@ internal abstract partial class JpegColorConverterBase
     /// <param name="precision">The precision in bits.</param>
     private static JpegColorConverterBase GetCmykConverter(int precision)
     {
-        if (JpegColorConverterVector.IsSupported)
+        if (JpegColorConverterVector512.IsSupported)
+        {
+            return new CmykVector512(precision);
+        }
+
+        if (JpegColorConverterVector256.IsSupported)
+        {
+            return new CmykVector256(precision);
+        }
+
+        if (JpegColorConverterVector128.IsSupported)
         {
-            return new CmykVector(precision);
+            return new CmykVector128(precision);
         }
 
         return new CmykScalar(precision);

tests/ImageSharp.Benchmarks/Codecs/Jpeg/ColorConversion/CmykColorConversion.cs

@@ -17,16 +17,32 @@ public class CmykColorConversion : ColorConversionBenchmark
     [Benchmark(Baseline = true)]
     public void Scalar()
     {
-        var values = new JpegColorConverterBase.ComponentValues(this.Input, 0);
+        JpegColorConverterBase.ComponentValues values = new(this.Input, 0);
 
         new JpegColorConverterBase.CmykScalar(8).ConvertToRgbInPlace(values);
     }
 
     [Benchmark]
-    public void SimdVector8()
+    public void SimdVector128()
     {
-        var values = new JpegColorConverterBase.ComponentValues(this.Input, 0);
+        JpegColorConverterBase.ComponentValues values = new(this.Input, 0);
 
-        new JpegColorConverterBase.CmykVector(8).ConvertToRgbInPlace(values);
+        new JpegColorConverterBase.CmykVector128(8).ConvertToRgbInPlace(values);
+    }
+
+    [Benchmark]
+    public void SimdVector256()
+    {
+        JpegColorConverterBase.ComponentValues values = new(this.Input, 0);
+
+        new JpegColorConverterBase.CmykVector256(8).ConvertToRgbInPlace(values);
+    }
+
+    [Benchmark]
+    public void SimdVector512()
+    {
+        JpegColorConverterBase.ComponentValues values = new(this.Input, 0);
+
+        new JpegColorConverterBase.CmykVector512(8).ConvertToRgbInPlace(values);
     }
 }

tests/ImageSharp.Benchmarks/Codecs/Jpeg/ColorConversion/YCbCrColorConversion.cs

@@ -22,14 +22,6 @@ public class YCbCrColorConversion : ColorConversionBenchmark
         new JpegColorConverterBase.YCbCrScalar(8).ConvertToRgbInPlace(values);
     }
 
-    [Benchmark]
-    public void SimdVector8()
-    {
-        JpegColorConverterBase.ComponentValues values = new(this.Input, 0);
-
-        new JpegColorConverterBase.YCbCrVector(8).ConvertToRgbInPlace(values);
-    }
-
     [Benchmark]
     public void SimdVector128()
     {

tests/ImageSharp.Tests/Formats/Jpg/JpegColorConverterTests.cs

@@ -1,7 +1,6 @@
 // Copyright (c) Six Labors.
 // Licensed under the Six Labors Split License.
 
-using System.Runtime.Intrinsics;
 using System.Runtime.Intrinsics.Arm;
 using System.Runtime.Intrinsics.X86;
 using SixLabors.ImageSharp.ColorProfiles;
@@ -22,7 +21,7 @@ public class JpegColorConverterTests
 
     private const int TestBufferLength = 40;
 
-    private const HwIntrinsics IntrinsicsConfig = HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX2;
+    private const HwIntrinsics IntrinsicsConfig = HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX512F | HwIntrinsics.DisableAVX2;
 
     private static readonly ApproximateColorProfileComparer ColorSpaceComparer = new(epsilon: Precision);
 
@@ -148,17 +147,17 @@ public class JpegColorConverterTests
         {
             // arrange
             Type expectedType = typeof(JpegColorConverterBase.CmykScalar);
-            if (Avx.IsSupported)
+            if (JpegColorConverterBase.JpegColorConverterVector512.IsSupported)
             {
-                expectedType = typeof(JpegColorConverterBase.CmykVector);
+                expectedType = typeof(JpegColorConverterBase.CmykVector512);
             }
-            else if (Sse2.IsSupported)
+            else if (JpegColorConverterBase.JpegColorConverterVector256.IsSupported)
             {
-                expectedType = typeof(JpegColorConverterBase.CmykVector);
+                expectedType = typeof(JpegColorConverterBase.CmykVector256);
             }
-            else if (AdvSimd.Arm64.IsSupported)
+            else if (JpegColorConverterBase.JpegColorConverterVector128.IsSupported)
             {
-                expectedType = typeof(JpegColorConverterBase.CmykVector);
+                expectedType = typeof(JpegColorConverterBase.CmykVector128);
             }
 
             // act
@@ -175,7 +174,7 @@ public class JpegColorConverterTests
     {
         FeatureTestRunner.RunWithHwIntrinsicsFeature(
             RunTest,
-            HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX2 | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableHWIntrinsic);
+            HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX512F | HwIntrinsics.DisableAVX2 | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableHWIntrinsic);
 
         static void RunTest(string arg)
         {
@@ -193,14 +192,6 @@ public class JpegColorConverterTests
             {
                 expectedType = typeof(JpegColorConverterBase.YCbCrVector128);
             }
-            else if (Sse2.IsSupported)
-            {
-                expectedType = typeof(JpegColorConverterBase.YCbCrVector);
-            }
-            else if (AdvSimd.IsSupported)
-            {
-                expectedType = typeof(JpegColorConverterBase.YCbCrVector);
-            }
 
             // act
             JpegColorConverterBase converter = JpegColorConverterBase.GetConverter(JpegColorSpace.YCbCr, 8);
@@ -216,7 +207,7 @@ public class JpegColorConverterTests
     {
         FeatureTestRunner.RunWithHwIntrinsicsFeature(
             RunTest,
-            HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX2 | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableHWIntrinsic);
+            HwIntrinsics.AllowAll | HwIntrinsics.DisableAVX512F | HwIntrinsics.DisableAVX2 | HwIntrinsics.DisableSSE2 | HwIntrinsics.DisableHWIntrinsic);
 
         static void RunTest(string arg)
         {
@@ -266,29 +257,60 @@ public class JpegColorConverterTests
 
     [Theory]
     [MemberData(nameof(Seeds))]
-    public void FromYCbCrVector(int seed)
-    {
-        JpegColorConverterBase.YCbCrVector converter = new(8);
+    public void FromYCbCrVector512(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.YCbCrVector512(8),
+            3,
+            seed,
+            new JpegColorConverterBase.YCbCrScalar(8));
 
-        if (!converter.IsAvailable)
-        {
-            this.Output.WriteLine(
-                $"Skipping test - {converter.GetType().Name} is not supported on current hardware.");
-            return;
-        }
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromYCbCrVector256(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.YCbCrVector256(8),
+            3,
+            seed,
+            new JpegColorConverterBase.YCbCrScalar(8));
 
-        FeatureTestRunner.RunWithHwIntrinsicsFeature(
-            RunTest,
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromYCbCrVector128(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.YCbCrVector128(8),
+            3,
             seed,
-            IntrinsicsConfig);
+            new JpegColorConverterBase.YCbCrScalar(8));
 
-        static void RunTest(string arg) =>
-            ValidateConversionToRgb(
-                new JpegColorConverterBase.YCbCrVector(8),
-                3,
-                FeatureTestRunner.Deserialize<int>(arg),
-                new JpegColorConverterBase.YCbCrScalar(8));
-    }
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToYCbCrVector512(int seed) =>
+        this.TestConversionFromRgb(
+            new JpegColorConverterBase.YCbCrVector512(8),
+            3,
+            seed,
+            new JpegColorConverterBase.YCbCrScalar(8),
+            precision: 2);
+
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToYCbCrVector256(int seed) =>
+    this.TestConversionFromRgb(
+        new JpegColorConverterBase.YCbCrVector256(8),
+        3,
+        seed,
+        new JpegColorConverterBase.YCbCrScalar(8),
+        precision: 2);
+
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToYCbCrVector128(int seed) =>
+    this.TestConversionFromRgb(
+        new JpegColorConverterBase.YCbCrVector128(8),
+        3,
+        seed,
+        new JpegColorConverterBase.YCbCrScalar(8),
+        precision: 2);
 
     [Theory]
     [MemberData(nameof(Seeds))]
@@ -297,29 +319,60 @@ public class JpegColorConverterTests
 
     [Theory]
     [MemberData(nameof(Seeds))]
-    public void FromCmykVector(int seed)
-    {
-        JpegColorConverterBase.CmykVector converter = new(8);
+    public void FromCmykVector512(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.CmykVector512(8),
+            4,
+            seed,
+            new JpegColorConverterBase.CmykScalar(8));
 
-        if (!converter.IsAvailable)
-        {
-            this.Output.WriteLine(
-                $"Skipping test - {converter.GetType().Name} is not supported on current hardware.");
-            return;
-        }
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromCmykVector256(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.CmykVector256(8),
+            4,
+            seed,
+            new JpegColorConverterBase.CmykScalar(8));
 
-        FeatureTestRunner.RunWithHwIntrinsicsFeature(
-            RunTest,
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromCmykVector128(int seed) =>
+        this.TestConversionToRgb(
+            new JpegColorConverterBase.CmykVector128(8),
+            4,
             seed,
-            IntrinsicsConfig);
+            new JpegColorConverterBase.CmykScalar(8));
 
-        static void RunTest(string arg) =>
-            ValidateConversionToRgb(
-                new JpegColorConverterBase.CmykVector(8),
-                4,
-                FeatureTestRunner.Deserialize<int>(arg),
-                new JpegColorConverterBase.CmykScalar(8));
-    }
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToCmykVector512(int seed) =>
+        this.TestConversionFromRgb(
+            new JpegColorConverterBase.CmykVector512(8),
+            4,
+            seed,
+            new JpegColorConverterBase.CmykScalar(8),
+            precision: 2);
+
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToCmykVector256(int seed) =>
+    this.TestConversionFromRgb(
+        new JpegColorConverterBase.CmykVector256(8),
+        4,
+        seed,
+        new JpegColorConverterBase.CmykScalar(8),
+        precision: 2);
+
+    [Theory]
+    [MemberData(nameof(Seeds))]
+    public void FromRgbToCmykVector128(int seed) =>
+    this.TestConversionFromRgb(
+        new JpegColorConverterBase.CmykVector128(8),
+        4,
+        seed,
+        new JpegColorConverterBase.CmykScalar(8),
+        precision: 2);
 
     [Theory]
     [MemberData(nameof(Seeds))]
@@ -434,6 +487,28 @@ public class JpegColorConverterTests
             baseLineConverter);
     }
 
+    private void TestConversionFromRgb(
+        JpegColorConverterBase converter,
+        int componentCount,
+        int seed,
+        JpegColorConverterBase baseLineConverter,
+        int precision)
+    {
+        if (!converter.IsAvailable)
+        {
+            this.Output.WriteLine(
+                $"Skipping test - {converter.GetType().Name} is not supported on current hardware.");
+            return;
+        }
+
+        ValidateConversionFromRgb(
+            converter,
+            componentCount,
+            seed,
+            baseLineConverter,
+            precision);
+    }
+
     private static JpegColorConverterBase.ComponentValues CreateRandomValues(
         int length,
         int componentCount,