diff options
Diffstat (limited to 'perform/pio_perf.c')
| -rw-r--r-- | perform/pio_perf.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/perform/pio_perf.c b/perform/pio_perf.c index e44e2b8..72bfd06 100644 --- a/perform/pio_perf.c +++ b/perform/pio_perf.c @@ -1051,7 +1051,13 @@ parse_command_line(int argc, char *argv[]) cl_opts->num_iters = atoi(opt_arg); break; case 'n': /* Turn off writing fill values */ +#ifdef H5_HAVE_NOFILL cl_opts->h5_no_fill = 1; +#else + fprintf(stderr, "pio_perf: --no-fill not supported\n"); + usage(progname); + exit(1); +#endif break; case 'o': cl_opts->output_file = opt_arg; @@ -1147,7 +1153,7 @@ usage(const char *prog) MPI_Comm_rank(pio_comm_g, &myrank); if (myrank == 0) { - fflush(stdout); + print_version(prog); printf("usage: %s [OPTIONS]\n", prog); printf(" OPTIONS\n"); printf(" -h, --help Print a usage message and exit\n"); @@ -1164,6 +1170,7 @@ usage(const char *prog) printf(" -F N, --num-files=N Number of files [default: 1]\n"); printf(" -i, --num-iterations Number of iterations to perform [default: 1]\n"); printf(" -n, --no-fill Don't write fill values to HDF5 dataset\n"); + printf(" (Supported in HDF5 library v1.5 only)\n"); printf(" [default: off (i.e. write fill values)]\n"); printf(" -o F, --output=F Output raw data into file F [default: none]\n"); printf(" -P N, --max-num-processes=N Maximum number of processes to use\n"); @@ -1177,11 +1184,11 @@ usage(const char *prog) printf(" F - is a filename.\n"); printf(" N - is an integer >=0.\n"); printf(" S - is a size specifier, an integer >=0 followed by a size indicator:\n"); - printf(" K - Kilobyte\n"); - printf(" M - Megabyte\n"); - printf(" G - Gigabyte\n"); + printf(" K - Kilobyte (%d)\n", ONE_KB); + printf(" M - Megabyte (%d)\n", ONE_MB); + printf(" G - Gigabyte (%d)\n", ONE_GB); printf("\n"); - printf(" Example: 37M = 37 Megabytes\n"); + printf(" Example: 37M = 37 Megabytes = %d bytes\n", 37*ONE_MB); printf("\n"); printf(" AL - is an API list. Valid values are:\n"); printf(" phdf5 - Parallel HDF5\n"); |