private unsafe void TestAddSum(byte[] vs)
{
fixed(byte *p = vs)
{
var v = Avx.LoadVector256(p);
var v2 = Avx.LoadVector256(p + 32);
//Avx.MultipleSumAbsoluteDifferences;
Vector256 <int> i1 = Avx2.ConvertToVector256Int32(p);
Vector256 <float> f1 = Avx.ConvertToVector256Single(i1);
Vector256 <float> m1 = Avx.Multiply(f1, f1);
Vector128 <int> i128 = Sse41.ConvertToVector128Int32(p);
Vector256 <double> d256 = Avx.ConvertToVector256Double(i128);
var dZero = Vector256 <double> .Zero;
Vector256 <double> ma1 = Fma.MultiplyAdd(d256, d256, dZero);
var i256 = Avx2.ConvertToVector256Int32(p);
var f256 = Avx.ConvertToVector256Single(i256);
var fZero = Vector256 <float> .Zero;
var ma2 = Fma.MultiplyAdd(f256, f256, fZero);
Vector128 <float> s128 = Sse2.ConvertToVector128Single(i128);
Vector128 <float> ms = Sse.MultiplyScalar(s128, s128);
// x86 / x64 SIMD命令一覧表（SSE～AVX2）
//https://www.officedaytime.com/tips/simd.html
// pmaddwd
//https://www.officedaytime.com/tips/simdimg/si.php?f=pmaddwd
Vector128 <short> sh128 = Sse41.ConvertToVector128Int16(p);
Vector128 <int> vv3 = Avx.MultiplyAddAdjacent(sh128, sh128);
var neko = 0;
//Avx.MultiplyAddAdjacent;
//Avx.MultiplyHigh;
//Avx.MultiplyHighRoundScale;
//Avx.MultiplyLow;
//Avx.MultiplyScalar;
//Fma.MultiplyAdd;
//Fma.MultiplyAddNegated;
//Fma.MultiplyAddNegatedScalar;
//Fma.MultiplyAddScalar;
//Fma.MultiplyAddSubtract;
//Fma.MultiplySubtract;
//Fma.MultiplySubtractAdd;
//Fma.MultiplySubtractNegated;
//Fma.MultiplySubtractNegatedScalar;
//Fma.MultiplySubtractScalar;
}
}
