diff options
| -rw-r--r-- | perform/pio_perf.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/perform/pio_perf.c b/perform/pio_perf.c index 8ba1567..0ec76b3 100644 --- a/perform/pio_perf.c +++ b/perform/pio_perf.c @@ -1304,8 +1304,16 @@ parse_command_line(int argc, char *argv[]) cl_opts->max_xfer_size = cl_opts->num_bpp; if (cl_opts->min_xfer_size > cl_opts->max_xfer_size) cl_opts->min_xfer_size = cl_opts->max_xfer_size; + /* check range of number of processes */ + if (cl_opts->min_num_procs <= 0) + cl_opts->min_num_procs = 1; + if (cl_opts->max_num_procs <= 0) + cl_opts->max_num_procs = 1; if (cl_opts->min_num_procs > cl_opts->max_num_procs) cl_opts->min_num_procs = cl_opts->max_num_procs; + /* check iteration */ + if (cl_opts->num_iters <= 0) + cl_opts->num_iters = 1; return cl_opts; } @@ -1395,7 +1403,7 @@ usage(const char *prog) printf(" -e S, --num-bytes=S Number of bytes per process per dataset\n"); printf(" [default: 256K]\n"); 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(" -i N, --num-iterations=N Number of iterations to perform [default: 1]\n"); printf(" -I, --interleaved Interleaved block I/O (see below for example)\n"); printf(" [default: Contiguous block I/O]\n"); printf(" -m, --mpi-posix Use MPI-posix driver for HDF5 I/O\n"); |