internal GatheredChildStats()
{
const int ALIGNMENT = 64; // For AVX efficiency
N = new SpanAligned <float>(MCTSScoreCalcVector.MAX_CHILDREN, ALIGNMENT);
InFlight = new SpanAligned <float>(MCTSScoreCalcVector.MAX_CHILDREN, ALIGNMENT);
P = new SpanAligned <float>(MCTSScoreCalcVector.MAX_CHILDREN, ALIGNMENT);
W = new SpanAligned <float>(MCTSScoreCalcVector.MAX_CHILDREN, ALIGNMENT);
}
/// <summary>
/// Returns a copy of the input matrix which is reblocked
/// </summary>
/// <param name="aIn"></param>
/// <param name="aOut"></param>
/// <param name="numIn"></param>
/// <param name="numOutAtATime"></param>
/// <param name="numInAtATime"></param>
public static float[] BlockedMatrix(float[] aIn, int numOut, int numIn, int numOutAtATime, int numInAtATime)
{
Span <float> aOut = new SpanAligned <float>(aIn.Length, 128).Span;
int dstIndex = 0;
for (int i = 0; i < numOut; i += numOutAtATime)
{
for (int j = 0; j < numIn; j += numInAtATime)
{
for (int ofsI = 0; ofsI < numOutAtATime; ofsI++)
{
for (int ofsJ = 0; ofsJ < numInAtATime; ofsJ++)
{
int col = i + ofsI;
int row = j + ofsJ;
aOut[dstIndex++] = aIn[col * numIn + row];
}
}
}
}
return(aOut.ToArray());
}
