npx                20 orte/test/mpi/parallel_r64.c #define npx    4             /* number of PE's in x direction */
npx                20 orte/test/mpi/parallel_r8.c #define npx    2             /* number of PE's in x direction */
npx                20 orte/test/mpi/parallel_w64.c #define npx    4             /* number of PE's in x direction */
npx                19 orte/test/mpi/parallel_w8.c #define npx    2             /* number of PE's in x direction */