Function legacySelectPattern

src/library/blas/generic/solution_seq_make.c:1181–1230

//-----------------------------------------------------------------------------

static unsigned int
legacySelectPattern(
    BlasFunctionID funcID,
    unsigned int maxImages)
{
    unsigned int id, i, n;
    MatrixRole mrole;
    MemoryPattern *pat;
    int score, maxScore = -1;

    id = -1;
    /*
     * Lookup all patterns, and assign a score per each matrix for
     * each pattern:
     * 0 - matrix is not cached
     * 2 - matrix is cached and stored in an image
     * 3 - matrix is cached and not stored in an image
     *
     * Find the pattern with the best score
     */
    pat = clblasSolvers[funcID].memPatterns;

    for (i = 0; i < clblasSolvers[funcID].nrPatterns; i++, pat++) {
        score = 0;
        n = 0;

        for (mrole = MATRIX_A; mrole <= MATRIX_B; mrole++) {
            if (isMatrixCached(pat, mrole)) {
                if (isMatrixInImage(pat, mrole)) {
                    n++;
                    score += 2;
                }
                else {
                    score += 3;
                }
            }
        }

        if (n > maxImages) {
            continue;
        }

        if (score > maxScore) {
            maxScore = score;
            id = i;
        }
    }

    return id;
}
//-----------------------------------------------------------------------------

unsigned int