omp reductions

aleksamilisavljevic · anyzelman · commit 3e33029504a7 · 2025-08-17T16:26:14.000+02:00
diff --git a/include/graphblas/reference/io.hpp b/include/graphblas/reference/io.hpp
@@ -2111,6 +2111,9 @@ namespace grb {
 					mask_coors.assign( k_col );
 				}
 			}
+#ifdef _H_GRB_REFERENCE_OMP_BLAS3
+			#pragma omp parallel for reduction(+:nzc)
+#endif
 			for( auto k = A_raw.col_start[ i ]; k < A_raw.col_start[ i + 1 ]; ++k ) {
 				const auto k_col = A_raw.row_index[ k ];
 				if( mask_coors.assigned( k_col ) ) {

Original file line number	Diff line number	Diff line change
`@@ -2111,6 +2111,9 @@ namespace grb {`
`2111`	`2111`	`mask_coors.assign( k_col );`
`2112`	`2112`	`}`
`2113`	`2113`	`}`
	`2114`	`+#ifdef _H_GRB_REFERENCE_OMP_BLAS3`
	`2115`	`+ #pragma omp parallel for reduction(+:nzc)`
	`2116`	`+#endif`
`2114`	`2117`	`for( auto k = A_raw.col_start[ i ]; k < A_raw.col_start[ i + 1 ]; ++k ) {`
`2115`	`2118`	`const auto k_col = A_raw.row_index[ k ];`
`2116`	`2119`	`if( mask_coors.assigned( k_col ) ) {`