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authorBill Wendling <wendling@ncsa.uiuc.edu>2001-12-12 16:53:13 (GMT)
committerBill Wendling <wendling@ncsa.uiuc.edu>2001-12-12 16:53:13 (GMT)
commitd3f9fa143479e047c7f8ca05bf3e6bc75d0d7482 (patch)
tree0fe100539ca99518705fe7c83ee2735107708e24 /perform/pio_perf.c
parent59d30c94ef1c82527f16b5a93cf742d0013e42a6 (diff)
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[svn-r4703]
Purpose: Feature Fix Description: Changed default size of file to 512MB. The "-m" flag is now in megabytes as well. This makes running things a bit faster. Platforms tested: Linux
Diffstat (limited to 'perform/pio_perf.c')
-rw-r--r--perform/pio_perf.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/perform/pio_perf.c b/perform/pio_perf.c
index 4fda6a1..af06a97 100644
--- a/perform/pio_perf.c
+++ b/perform/pio_perf.c
@@ -232,8 +232,9 @@ run_test_loop(FILE *output, int max_num_procs, long max_size)
results res;
parms.buf_size = j;
- parms.num_dsets = ONE_GB / j;
- parms.num_elmts = (max_size * j) / sizeof(int);
+ parms.num_dsets = MAX_HDF5_BUF_SIZE / j;
+ parms.num_dsets = (parms.num_dsets ? parms.num_dsets : 1);
+ parms.num_elmts = max_size / (parms.num_dsets * sizeof(int));
print_indent(output, TAB_SPACE * 2);
fprintf(output,
@@ -244,7 +245,7 @@ run_test_loop(FILE *output, int max_num_procs, long max_size)
res = do_pio(parms);
print_indent(output, TAB_SPACE * 3);
- fprintf(output, "Write Results = %f MB/s\n",
+ fprintf(output, "Write Results = %.2f MB/s\n",
MB_PER_SEC(parms.num_dsets * parms.num_elmts * sizeof(int),
get_time(res.timers, HDF5_WRITE_FIXED_DIMS)));
@@ -283,7 +284,7 @@ usage(const char *prog)
fprintf(stdout, "usage: %s [OPTIONS]\n", prog);
fprintf(stdout, " OPTIONS\n");
fprintf(stdout, " -h, --help Print a usage message and exit\n");
- fprintf(stdout, " -m #, --max-size=# Maximum size of file in gigabytes [default: 2]\n");
+ fprintf(stdout, " -m #, --max-size=# Maximum size of file in megabytes [default: 512]\n");
fprintf(stdout, " -o F, --output=F Output raw data into file F\n");
fprintf(stdout, "\n");
fprintf(stdout, " F - is a filename.\n");
@@ -305,7 +306,7 @@ parse_command_line(int argc, char *argv[])
struct options *cl_opts;
cl_opts = (struct options *)calloc(1, sizeof(struct options));
- cl_opts->max_size = 2;
+ cl_opts->max_size = 512 * ONE_MB;
while ((opt = get_option(argc, (const char **)argv, s_opts, l_opts)) != EOF) {
switch ((char)opt) {
@@ -315,7 +316,7 @@ parse_command_line(int argc, char *argv[])
break;
#endif /* 0 */
case 'm':
- cl_opts->max_size = atol(opt_arg);
+ cl_opts->max_size = atol(opt_arg) * ONE_MB;
break;
case 'o':
cl_opts->output_file = opt_arg;