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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics.X86;
using System.Runtime.Intrinsics;
namespace IntelHardwareIntrinsicTest
{
class Program
{
const int Pass = 100;
const int Fail = 0;
static unsafe int Main(string[] args)
{
int testResult = Pass;
if (Avx2.IsSupported)
{
using (TestTable<int, int, long> intTable = new TestTable<int, int, long>(new int[8] { 1, -5, 100, 0, 1, -5, 100, 0 }, new int[8] { 22, -1, -50, 0, 22, -1, -50, 0 }, new long[4]))
using (TestTable<uint, uint, ulong> uintTable = new TestTable<uint, uint, ulong>(new uint[8] { 1, 5, 100, 0, 1, 5, 100, 0 }, new uint[8] { 22, 1, 50, 0, 22, 1, 50, 0 }, new ulong[4]))
{
var vi1 = Unsafe.Read<Vector256<int>>(intTable.inArray1Ptr);
var vi2 = Unsafe.Read<Vector256<int>>(intTable.inArray2Ptr);
var vi3 = Avx2.Multiply(vi1, vi2);
Unsafe.Write(intTable.outArrayPtr, vi3);
var vui1 = Unsafe.Read<Vector256<uint>>(uintTable.inArray1Ptr);
var vui2 = Unsafe.Read<Vector256<uint>>(uintTable.inArray2Ptr);
var vui3 = Avx2.Multiply(vui1, vui2);
Unsafe.Write(uintTable.outArrayPtr, vui3);
for (int i = 0; i < intTable.outArray.Length; i++)
{
if (intTable.inArray1[i * 2] * intTable.inArray2[i * 2] != intTable.outArray[i])
{
Console.WriteLine("AVX2 Multiply failed on int:");
foreach (var item in intTable.outArray)
{
Console.Write(item + ", ");
}
Console.WriteLine();
return Fail;
}
}
for (int i = 0; i < uintTable.outArray.Length; i++)
{
if (uintTable.inArray1[i * 2] * uintTable.inArray2[i * 2] != uintTable.outArray[i])
{
Console.WriteLine("AVX2 Multiply failed on uint:");
foreach (var item in uintTable.outArray)
{
Console.Write(item + ", ");
}
Console.WriteLine();
return Fail;
}
}
}
}
return testResult;
}
public unsafe struct TestTable<T1, T2, T3> : IDisposable where T1 : struct where T2 : struct where T3 : struct
{
public T1[] inArray1;
public T2[] inArray2;
public T3[] outArray;
public void* inArray1Ptr => inHandle1.AddrOfPinnedObject().ToPointer();
public void* inArray2Ptr => inHandle2.AddrOfPinnedObject().ToPointer();
public void* outArrayPtr => outHandle.AddrOfPinnedObject().ToPointer();
GCHandle inHandle1;
GCHandle inHandle2;
GCHandle outHandle;
public TestTable(T1[] a, T2[] b, T3[] c)
{
this.inArray1 = a;
this.inArray2 = b;
this.outArray = c;
inHandle1 = GCHandle.Alloc(inArray1, GCHandleType.Pinned);
inHandle2 = GCHandle.Alloc(inArray2, GCHandleType.Pinned);
outHandle = GCHandle.Alloc(outArray, GCHandleType.Pinned);
}
public bool CheckResult(Func<T1, T2, T3, bool> check)
{
for (int i = 0; i < inArray1.Length; i++)
{
if (!check(inArray1[i], inArray2[i], outArray[i]))
{
return false;
}
}
return true;
}
public void Dispose()
{
inHandle1.Free();
inHandle2.Free();
outHandle.Free();
}
}
}
}
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