diff options
| author | txh18 <cloudygooseg@gmail.com> | 2015-10-27 16:24:55 +0800 |
|---|---|---|
| committer | txh18 <cloudygooseg@gmail.com> | 2015-10-27 16:24:55 +0800 |
| commit | 7c95640c95f1cc1d84b4d49fa97fd922748b88a7 (patch) | |
| tree | e78fc611b8768ddf6e9191d597bf667e83b3353b /nerv/lib/matrix/generic/cumatrix.c | |
| parent | ba8a1c9d5366c22b0b631f26ae1de7c5da2cbaeb (diff) | |
added update_select_rows for select_linear:update speed-up
Diffstat (limited to 'nerv/lib/matrix/generic/cumatrix.c')
| -rw-r--r-- | nerv/lib/matrix/generic/cumatrix.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/nerv/lib/matrix/generic/cumatrix.c b/nerv/lib/matrix/generic/cumatrix.c index 770e503..2dc5899 100644 --- a/nerv/lib/matrix/generic/cumatrix.c +++ b/nerv/lib/matrix/generic/cumatrix.c @@ -359,6 +359,18 @@ void nerv_matrix_(copy_rows_fromd_by_idx)(Matrix *a, const Matrix *b, NERV_SET_STATUS(status, NERV_NORMAL, 0); } +void nerv_matrix_(update_select_rows)(Matrix *c, const Matrix *a, const Matrix *idx, double alpha, double beta, Status *status) { + long nrow = a->nrow; + if (idx->nrow != 1) + NERV_EXIT_STATUS(status, MAT_IDX_VECTOR_EXP, 0); + if (a->ncol != c->ncol) + NERV_EXIT_STATUS(status, MAT_MISMATCH_DIM, 0); + PROFILE_START + cudak_(cuda_update_select_rows)(c, a, idx, alpha, beta); + PROFILE_STOP + NERV_SET_STATUS(status, NERV_NORMAL, 0); +} + void nerv_matrix_(expand_frm)(Matrix *a, const Matrix *b, int context, Status *status) { if (a->nrow != b->nrow) |