public void Setup()
{
var rand = new Random(42);
arrayOfStructs = new VectorThatDontFitCacheLine[ArraySize];
arrayOfStructsCL = new VectorThatFitCacheLine[ArraySize];
vectors.arrayOfX = new float[ArraySize];
vectors.arrayOfY = new float[ArraySize];
vectors.arrayOfZ = new float[ArraySize];
for (int i = 0; i < ArraySize; ++i)
{
vectors.arrayOfX[i] = (float)rand.NextDouble();
vectors.arrayOfY[i] = (float)rand.NextDouble();
vectors.arrayOfZ[i] = (float)rand.NextDouble();
arrayOfStructs[i] = new VectorThatDontFitCacheLine
{
X = vectors.arrayOfX[i],
Y = vectors.arrayOfY[i],
Z = vectors.arrayOfZ[i]
};
arrayOfStructsCL[i] = new VectorThatFitCacheLine
{
X = vectors.arrayOfX[i],
Y = vectors.arrayOfY[i],
Z = vectors.arrayOfZ[i]
};
}
}
public void VectorNormAoS()
{
for (int i = 0; i < arrayOfStructs.Length; ++i)
{
VectorThatDontFitCacheLine pt = arrayOfStructs[i];
float norm = (float)Math.Sqrt(pt.X * pt.X + pt.Y * pt.Y + pt.Z * pt.Z);
pt.X /= norm;
pt.Y /= norm;
pt.Z /= norm;
arrayOfStructs[i] = pt;
}
}