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https://github.com/oliverbooth/X10D
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test: add tests for CorrectBoolean (#73)
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X10D.Tests/src/Core/IntrinsicTests.cs
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86
X10D.Tests/src/Core/IntrinsicTests.cs
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@ -0,0 +1,86 @@
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#if NET6_0_OR_GREATER
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using System.Runtime.Intrinsics;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using Moq;
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using X10D.Core;
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namespace X10D.Tests.Core;
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[TestClass]
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public class IntrinsicTests
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{
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[TestMethod]
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public void CorrectBoolean_ShouldReturnExpectedVector64Result_GivenInputVector()
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{
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var mock = new Mock<ISse2SupportProvider>();
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mock.Setup(provider => provider.IsSupported).Returns(true);
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var inputVector = Vector64.Create(0, 1, 2, 0, 3, 0, 0, (byte)4);
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var expectedResult = Vector64.Create(0, 1, 1, 0, 1, 0, 0, (byte)1);
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Vector64<byte> result = inputVector.CorrectBoolean();
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Assert.AreEqual(expectedResult, result);
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}
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[TestMethod]
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public void CorrectBoolean_ShouldReturnExpectedVector128Result_GivenInputVector()
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{
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var mock = new Mock<ISse2SupportProvider>();
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mock.Setup(provider => provider.IsSupported).Returns(true);
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var inputVector = Vector128.Create(0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0, 0, 7, (byte)8);
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var expectedResult = Vector128.Create(0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, (byte)1);
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Vector128<byte> result = inputVector.CorrectBooleanInternal(mock.Object);
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Assert.AreEqual(expectedResult, result);
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}
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[TestMethod]
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public void CorrectBoolean_ShouldReturnExpectedVector128Result_WhenSse2NotSupported()
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{
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var mock = new Mock<ISse2SupportProvider>();
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mock.Setup(provider => provider.IsSupported).Returns(false);
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var inputVector = Vector128.Create(0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0, 0, 7, (byte)8);
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var expectedResult = Vector128.Create(0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, (byte)1);
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Vector128<byte> result = inputVector.CorrectBooleanInternal(mock.Object);
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Assert.AreEqual(expectedResult, result);
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}
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[TestMethod]
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public void CorrectBoolean_ShouldReturnExpectedVector256Result_GivenInputVector()
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{
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var mock = new Mock<IAvx2SupportProvider>();
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mock.Setup(provider => provider.IsSupported).Returns(true);
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var inputVector = Vector256.Create(0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0, 0, 7, 8, 0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0,
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0, 7, (byte)8);
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var expectedResult = Vector256.Create(0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1,
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0, 0, 1, (byte)1);
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Vector256<byte> result = inputVector.CorrectBooleanInternal(mock.Object);
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Assert.AreEqual(expectedResult, result);
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}
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[TestMethod]
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public void CorrectBoolean_ShouldReturnExpectedVector256Result_WhenSse2NotSupported()
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{
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var mock = new Mock<IAvx2SupportProvider>();
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mock.Setup(provider => provider.IsSupported).Returns(false);
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var inputVector = Vector256.Create(0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0, 0, 7, 8, 0, 1, 2, 0, 3, 0, 0, 4, 5, 0, 0, 6, 0,
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0, 7, (byte)8);
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var expectedResult = Vector256.Create(0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1,
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0, 0, 1, (byte)1);
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Vector256<byte> result = inputVector.CorrectBooleanInternal(mock.Object);
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Assert.AreEqual(expectedResult, result);
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}
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}
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#endif
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@ -1,5 +1,5 @@
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#if NETCOREAPP3_0_OR_GREATER
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#if NETCOREAPP3_0_OR_GREATER
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using System.Diagnostics.CodeAnalysis;
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using System.Diagnostics.Contracts;
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using System.Runtime.CompilerServices;
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using System.Runtime.Intrinsics;
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@ -35,15 +35,15 @@ public static class IntrinsicExtensions
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// TODO: AdvSimd implementation.
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// TODO: WasmSimd implementation. (?)
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var output = IntrinsicUtility.GetUninitializedVector64<byte>();
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Vector64<byte> output = IntrinsicUtility.GetUninitializedVector64<byte>();
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for (int i = 0; i < Vector64<byte>.Count; i++)
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for (var i = 0; i < Vector64<byte>.Count; i++)
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{
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ref var writeElement = ref Unsafe.Add(ref Unsafe.As<Vector64<byte>, byte>(ref output), i);
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ref byte writeElement = ref Unsafe.Add(ref Unsafe.As<Vector64<byte>, byte>(ref output), i);
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#if NET7_0_OR_GREATER
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writeElement = vector[i] == 0 ? (byte)0 : (byte)1;
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#else
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var element = Unsafe.Add(ref Unsafe.As<Vector64<byte>, byte>(ref vector), i);
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byte element = Unsafe.Add(ref Unsafe.As<Vector64<byte>, byte>(ref vector), i);
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writeElement = element == 0 ? (byte)0 : (byte)1;
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#endif
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}
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@ -68,28 +68,10 @@ public static class IntrinsicExtensions
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/// </returns>
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[Pure]
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[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
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[ExcludeFromCodeCoverage]
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public static Vector128<byte> CorrectBoolean(this Vector128<byte> vector)
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{
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if (Sse2.IsSupported)
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{
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var cmp = Sse2.CompareEqual(vector, Vector128<byte>.Zero);
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var result = Sse2.AndNot(cmp, Vector128.Create((byte)1));
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return result;
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}
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// TODO: AdvSimd implementation.
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// TODO: WasmSimd implementation.
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var output = IntrinsicUtility.GetUninitializedVector128<byte>();
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for (int i = 0; i < Vector128<byte>.Count; i++)
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{
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Unsafe.Add(ref Unsafe.As<Vector128<byte>, byte>(ref output), i) =
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Unsafe.Add(ref Unsafe.As<Vector128<byte>, byte>(ref vector), i) == 0 ? (byte)0 : (byte)1;
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}
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return output;
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return CorrectBooleanInternal(vector, new SystemSse2SupportProvider());
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}
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/// <summary>
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@ -109,25 +91,10 @@ public static class IntrinsicExtensions
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/// </returns>
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[Pure]
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[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
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[ExcludeFromCodeCoverage]
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public static Vector256<byte> CorrectBoolean(this Vector256<byte> vector)
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{
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if (Avx2.IsSupported)
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{
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var cmp = Avx2.CompareEqual(vector, Vector256<byte>.Zero);
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var result = Avx2.AndNot(cmp, Vector256.Create((byte)1));
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return result;
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}
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var output = IntrinsicUtility.GetUninitializedVector256<byte>();
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for (int i = 0; i < Vector256<byte>.Count; i++)
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{
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Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref output), i) =
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Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref vector), i) == 0 ? (byte)0 : (byte)1;
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}
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return output;
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return CorrectBooleanInternal(vector, new SystemAvx2SupportProvider());
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}
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/// <summary>
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@ -162,5 +129,58 @@ public static class IntrinsicExtensions
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return output;
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}
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[Pure]
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[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
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internal static Vector128<byte> CorrectBooleanInternal(this Vector128<byte> vector, ISse2SupportProvider? sse2SupportProvider)
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{
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sse2SupportProvider ??= new SystemSse2SupportProvider();
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if (sse2SupportProvider.IsSupported)
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{
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Vector128<byte> cmp = Sse2.CompareEqual(vector, Vector128<byte>.Zero);
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Vector128<byte> result = Sse2.AndNot(cmp, Vector128.Create((byte)1));
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return result;
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}
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// TODO: AdvSimd implementation.
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// TODO: WasmSimd implementation.
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Vector128<byte> output = IntrinsicUtility.GetUninitializedVector128<byte>();
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for (var index = 0; index < Vector128<byte>.Count; index++)
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{
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Unsafe.Add(ref Unsafe.As<Vector128<byte>, byte>(ref output), index) =
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Unsafe.Add(ref Unsafe.As<Vector128<byte>, byte>(ref vector), index) == 0 ? (byte)0 : (byte)1;
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}
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return output;
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}
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[Pure]
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[MethodImpl(MethodImplOptions.AggressiveInlining | MethodImplOptions.AggressiveOptimization)]
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internal static Vector256<byte> CorrectBooleanInternal(this Vector256<byte> vector, IAvx2SupportProvider? supportProvider)
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{
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supportProvider ??= new SystemAvx2SupportProvider();
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if (supportProvider.IsSupported)
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{
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Vector256<byte> cmp = Avx2.CompareEqual(vector, Vector256<byte>.Zero);
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Vector256<byte> result = Avx2.AndNot(cmp, Vector256.Create((byte)1));
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return result;
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}
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Vector256<byte> output = IntrinsicUtility.GetUninitializedVector256<byte>();
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for (var index = 0; index < Vector256<byte>.Count; index++)
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{
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Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref output), index) =
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Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref vector), index) == 0 ? (byte)0 : (byte)1;
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}
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return output;
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}
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}
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#endif
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using System.Diagnostics.Contracts;
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using System.Runtime.CompilerServices;
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using System.Runtime.Intrinsics;
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using System.Runtime.Intrinsics.Arm;
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using System.Runtime.Intrinsics.X86;
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namespace X10D.Core;
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13
X10D/src/ISse2SupportProvider.cs
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13
X10D/src/ISse2SupportProvider.cs
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namespace X10D;
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/// <summary>
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/// Represents an object which provides the status of the support of SSE2 instructions.
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/// </summary>
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public interface ISse2SupportProvider
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{
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/// <summary>
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/// Gets a value indicating whether SSE2 instructions are supported on this platform.
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/// </summary>
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/// <value><see langword="true" /> if SSE2 instructions are supported; otherwise, <see langword="false" />.</value>
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bool IsSupported { get; }
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}
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X10D/src/SystemSse2SupportProvider.cs
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18
X10D/src/SystemSse2SupportProvider.cs
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#if NETCOREAPP3_0_OR_GREATER
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using System.Runtime.Intrinsics.X86;
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#endif
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namespace X10D;
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internal struct SystemSse2SupportProvider : ISse2SupportProvider
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{
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/// <inheritdoc />
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public bool IsSupported
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{
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#if NETCOREAPP3_0_OR_GREATER
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get => Sse2.IsSupported;
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#else
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get => false;
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#endif
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}
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}
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