From 173dd7f2fe33139ca272355a5e2ad80dafd3e5d3 Mon Sep 17 00:00:00 2001 From: Albert Cheng Date: Tue, 8 Jan 2002 14:22:16 -0500 Subject: [svn-r4802] Description: The default minimum xfer size of 1K was way too slow for parallel file system like the PFS of Tflops. Set it to 128K to complete soon for default settings. Platforms tested: Tflops, modi4. --- perform/pio_perf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/perform/pio_perf.c b/perform/pio_perf.c index a9b0966..2db68e9 100644 --- a/perform/pio_perf.c +++ b/perform/pio_perf.c @@ -695,7 +695,7 @@ parse_command_line(int argc, char *argv[]) cl_opts->max_num_procs = 1; cl_opts->min_num_procs = 1; cl_opts->max_xfer_size = 1 * ONE_MB; - cl_opts->min_xfer_size = 1 * ONE_KB; + cl_opts->min_xfer_size = 128 * ONE_KB; while ((opt = get_option(argc, (const char **)argv, s_opts, l_opts)) != EOF) { switch ((char)opt) { @@ -833,7 +833,7 @@ usage(const char *prog) fprintf(stdout, " -p N, --min-num-processes=N Minimum number of processes to use [default: 1]\n"); fprintf(stdout, " -r, --raw Run raw (UNIX) performance test\n"); fprintf(stdout, " -X S, --max-xfer-size=S Maximum transfer buffer size [default: 1M]\n"); - fprintf(stdout, " -x S, --min-xfer-size=S Minimum transfer buffer size [default: 1K]\n"); + fprintf(stdout, " -x S, --min-xfer-size=S Minimum transfer buffer size [default: 128K]\n"); fprintf(stdout, "\n"); fprintf(stdout, " F - is a filename.\n"); fprintf(stdout, " N - is an integer >=0.\n"); -- cgit v0.12