diff options
Diffstat (limited to 'testpar/t_mpi.c')
| -rw-r--r-- | testpar/t_mpi.c | 74 |
1 files changed, 67 insertions, 7 deletions
diff --git a/testpar/t_mpi.c b/testpar/t_mpi.c index 7b34119..ba8b847 100644 --- a/testpar/t_mpi.c +++ b/testpar/t_mpi.c @@ -406,6 +406,7 @@ test_mpio_1wMr(char *filename, int special_request) unsigned char expect_val; int i, irank; int nerrors = 0; /* number of errors */ + int atomicity; MPI_Offset mpi_off; MPI_Status mpi_stat; @@ -442,6 +443,30 @@ test_mpio_1wMr(char *filename, int special_request) return 1; } +if (special_request & USEATOM){ + /* ================================================== + * Set atomcity to true (1). A POSIX compliant filesystem + * should not need this. + * ==================================================*/ + if ((mpi_err = MPI_File_get_atomicity(fh, &atomicity)) != MPI_SUCCESS){ + MPI_Error_string(mpi_err, mpi_err_str, &mpi_err_strlen); + PRINTID; + printf("MPI_File_get_atomicity failed (%s)\n", mpi_err_str); + } + printf("Initial atomicity = %d\n", atomicity); + if ((mpi_err = MPI_File_set_atomicity(fh, 1)) != MPI_SUCCESS){ + MPI_Error_string(mpi_err, mpi_err_str, &mpi_err_strlen); + PRINTID; + printf("MPI_File_set_atomicity failed (%s)\n", mpi_err_str); + } + if ((mpi_err = MPI_File_get_atomicity(fh, &atomicity)) != MPI_SUCCESS){ + MPI_Error_string(mpi_err, mpi_err_str, &mpi_err_strlen); + PRINTID; + printf("MPI_File_get_atomicity failed (%s)\n", mpi_err_str); + } + printf("After set_atomicity atomicity = %d\n", atomicity); +} + /* This barrier is not necessary but do it anyway. */ MPI_Barrier(MPI_COMM_WORLD); PRINTID; @@ -476,7 +501,28 @@ test_mpio_1wMr(char *filename, int special_request) PRINTID; printf("MPI_Bcast: mpi_err = %d\n", mpi_err); - /* This barrier is not necessary because the Bcase above */ +if (special_request & USEFSYNC){ + /* ================================================== + * Do a file sync. A POSIX compliant filesystem + * should not need this. + * ==================================================*/ + printf("Apply MPI_File_sync\n"); + /* call file_sync to force the write out */ + if ((mpi_err = MPI_File_sync(fh)) != MPI_SUCCESS){ + MPI_Error_string(mpi_err, mpi_err_str, &mpi_err_strlen); + PRINTID; + printf("MPI_File_sync failed (%s)\n", mpi_err_str); + } + MPI_Barrier(MPI_COMM_WORLD); + /* call file_sync to force the write out */ + if ((mpi_err = MPI_File_sync(fh)) != MPI_SUCCESS){ + MPI_Error_string(mpi_err, mpi_err_str, &mpi_err_strlen); + PRINTID; + printf("MPI_File_sync failed (%s)\n", mpi_err_str); + } +} + + /* This barrier is not necessary because the Bcase or File_sync above */ /* should take care of it. Do it anyway. */ MPI_Barrier(MPI_COMM_WORLD); PRINTID; @@ -509,14 +555,17 @@ test_mpio_1wMr(char *filename, int special_request) MPI_File_close(&fh); PRINTID; - if (nerrors > 0){ - printf("%d data errors detected\n", nerrors); - }else{ - printf("all tests passed\n"); + printf("%d data errors detected\n", nerrors); + + { + int temp; + MPI_Reduce(&nerrors, &temp, 1, MPI_INT, MPI_SUM, 0, MPI_COMM_WORLD); + if (mpi_rank == 0 && temp > 0) + nerrors = temp; } mpi_err = MPI_Barrier(MPI_COMM_WORLD); - return 0; + return nerrors; } @@ -594,6 +643,7 @@ int main(int argc, char **argv) { int mpi_size, mpi_rank; /* mpi variables */ + int ret_code; MPI_Init(&argc, &argv); MPI_Comm_size(MPI_COMM_WORLD, &mpi_size); @@ -617,7 +667,17 @@ main(int argc, char **argv) } MPI_BANNER("MPIO 1 write Many read test..."); - test_mpio_1wMr(filenames[0], USENONE); + ret_code = test_mpio_1wMr(filenames[0], USENONE); + if (mpi_rank==0 && ret_code > 0) + printf("***FAILED with %d total errors\n", ret_code); + MPI_BANNER("MPIO 1 write Many read test with atomicity..."); + ret_code = test_mpio_1wMr(filenames[0], USEATOM); + if (mpi_rank==0 && ret_code > 0) + printf("***FAILED with %d total errors\n", ret_code); + MPI_BANNER("MPIO 1 write Many read test with file sync..."); + ret_code = test_mpio_1wMr(filenames[0], USEFSYNC); + if (mpi_rank==0 && ret_code > 0) + printf("***FAILED with %d total errors\n", ret_code); MPI_BANNER("MPIO File size range test..."); test_mpio_gb_file(filenames[0]); MPI_BANNER("MPIO independent overlapping writes..."); |