Commit fbcef3c1 authored by Giovanni Lacopo's avatar Giovanni Lacopo
Browse files

Force to use MPI_Reduce without OpenMP

parent b291407e

gridding_cpu.c

+7 −1
Original line number Diff line number Diff line
@@ -226,6 +226,9 @@ void gridding_data() 


	  start = CPU_TIME_wt;





	  //Force to use MPI_Reduce when -fopenmp is not active

	 #ifdef _OPENMP

	  if( param.reduce_method == REDUCE_MPI )

	   

	    MPI_Reduce(gridss, grid, size_of_grid, MPI_DOUBLE, MPI_SUM, target_rank, MYMPI_COMM_WORLD);
@@ -246,6 +249,9 @@ void gridding_data() 
		}

	      

	    }

	 #else

	  MPI_Reduce(gridss, grid, size_of_grid, MPI_DOUBLE, MPI_SUM, target_rank, MYMPI_COMM_WORLD);

	 #endif

	  

	  timing_wt.reduce += CPU_TIME_wt - start;