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path: root/nerv/lib/matrix/generic/cumatrix.c
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Diffstat (limited to 'nerv/lib/matrix/generic/cumatrix.c')
-rw-r--r--nerv/lib/matrix/generic/cumatrix.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/nerv/lib/matrix/generic/cumatrix.c b/nerv/lib/matrix/generic/cumatrix.c
index 40a0030..770e503 100644
--- a/nerv/lib/matrix/generic/cumatrix.c
+++ b/nerv/lib/matrix/generic/cumatrix.c
@@ -315,16 +315,17 @@ void nerv_matrix_(copy_rows_fromh_by_idx)(Matrix *a, const Matrix *b,
long nrow = a->nrow;
if (!(0 <= b_begin && b_begin + nrow <= idx->ncol))
NERV_EXIT_STATUS(status, MAT_INVALID_COPY_INTERVAL, 0);
- long *idx_ptr = idx->data.i;
+ float *idx_ptr = idx->data.f;
int i;
if (idx->nrow != 1)
NERV_EXIT_STATUS(status, MAT_IDX_VECTOR_EXP, 0);
if (a->ncol != b->ncol)
NERV_EXIT_STATUS(status, MAT_MISMATCH_DIM, 0);
+ PROFILE_START
cudaStream_t *streams = (cudaStream_t*)malloc(sizeof(cudaStream_t) * nrow);
for (i = 0; i < nrow; i++)
{
- int src_row = idx_ptr[b_begin + i];
+ int src_row = (int)idx_ptr[b_begin + i];
if (!(0 <= src_row && src_row < b->nrow))
NERV_EXIT_STATUS(status, MAT_INVALID_IDX, 0);
CUDA_SAFE_CALL(cudaStreamCreate(streams + i), status);
@@ -339,6 +340,22 @@ void nerv_matrix_(copy_rows_fromh_by_idx)(Matrix *a, const Matrix *b,
CUDA_SAFE_CALL(cudaStreamDestroy(streams[i]), status);
}
free(streams);
+ PROFILE_STOP
+ NERV_SET_STATUS(status, NERV_NORMAL, 0);
+}
+
+void nerv_matrix_(copy_rows_fromd_by_idx)(Matrix *a, const Matrix *b,
+ const Matrix *idx, int b_begin, Status *status) {
+ long nrow = a->nrow;
+ if (!(0 <= b_begin && b_begin + nrow <= idx->ncol))
+ NERV_EXIT_STATUS(status, MAT_INVALID_COPY_INTERVAL, 0);
+ if (idx->nrow != 1)
+ NERV_EXIT_STATUS(status, MAT_IDX_VECTOR_EXP, 0);
+ if (a->ncol != b->ncol)
+ NERV_EXIT_STATUS(status, MAT_MISMATCH_DIM, 0);
+ PROFILE_START
+ cudak_(cuda_copy_rows_by_idx)(b, a, idx, b_begin);
+ PROFILE_STOP
NERV_SET_STATUS(status, NERV_NORMAL, 0);
}