Hello,
Of course, if you take Sebastien's patch ("Disable samples and histogram
files generation by default"), don't take this one.
Gilles.
Gilles Carry wrote:
> The default behaviour of matrix_mult is changed.
> Stats are saved only when requested.
>
> Signed-off-by: Gilles Carry <[EMAIL PROTECTED]>
> Cc: Darren Hart <[EMAIL PROTECTED]>
> Cc: Tim Chavez <[EMAIL PROTECTED]>
> ---
> testcases/realtime/func/matrix_mult/matrix_mult.c | 45
> +++++++++++++--------
> 1 files changed, 28 insertions(+), 17 deletions(-)
>
> diff --git a/testcases/realtime/func/matrix_mult/matrix_mult.c
> b/testcases/realtime/func/matrix_mult/matrix_mult.c
> index 6ea68b6..fa52048 100644
> --- a/testcases/realtime/func/matrix_mult/matrix_mult.c
> +++ b/testcases/realtime/func/matrix_mult/matrix_mult.c
> @@ -55,6 +55,7 @@
> static int run_jvmsim = 0;
> static int ops_multiplier = DEF_OPS_MULTIPLIER;
> static int ops;
> +static int save_stats = 0;
>
> void usage(void)
> {
> @@ -62,6 +63,7 @@ void usage(void)
> printf("matrix_mult specific options:\n");
> printf(" -j enable jvmsim\n");
> printf(" -l# #: number of multiplications per iteration per
> cpu (load)\n");
> + printf(" -s save stats\n");
> }
>
> int parse_args(int c, char *v)
> @@ -77,6 +79,9 @@ int parse_args(int c, char *v)
> case 'h':
> usage();
> exit(0);
> + case 's':
> + save_stats = 1;
> + break;
> default:
> handled = 0;
> break;
> @@ -137,7 +142,7 @@ int main(int argc, char *argv[])
> int criteria;
>
> setup();
> - rt_init("jl:h", parse_args, argc, argv);
> + rt_init("jl:hs", parse_args, argc, argv);
> numcpus = sysconf(_SC_NPROCESSORS_ONLN);
> criteria = MAX(1, numcpus/2); // the minimum avg concurrent multiplier
> to pass
> ops = numcpus * ops_multiplier;
> @@ -159,6 +164,8 @@ int main(int argc, char *argv[])
> printf("jvmsim disabled\n");
> }
>
> + printf("Stats %sto be saved\n", save_stats ? "" : "*not* ");
> +
> stats_container_t sdat, cdat;
> stats_container_t shist, chist;
> if ( stats_container_init(&sdat, ITERATIONS) ||
> @@ -198,15 +205,17 @@ int main(int argc, char *argv[])
> printf("Avg: %.4f us\n", savg);
> printf("StdDev: %.4f us\n", stats_stddev(&sdat));
>
> - if (
> - stats_hist(&shist, &sdat) ||
> + if (save_stats) {
> + if (
> + stats_hist(&shist, &sdat) ||
>
> - stats_container_save("sequential", "Matrix Multiplication
> Sequential Execution Runtime Scatter Plot",
> - "Iteration", "Runtime (us)", &sdat, "points") ||
> - stats_container_save("sequential_hist", "Matrix Multiplicatoin
> Sequential Execution Runtime Histogram",
> - "Runtime (us)", "Samples", &shist, "steps")
> - ) {
> - fprintf(stderr, "Warning: could not save sequential mults
> stats\n");
> + stats_container_save("sequential", "Matrix
> Multiplication Sequential Execution Runtime Scatter Plot",
> + "Iteration", "Runtime (us)", &sdat,
> "points") ||
> + stats_container_save("sequential_hist", "Matrix
> Multiplicatoin Sequential Execution Runtime Histogram",
> + "Runtime (us)", "Samples", &shist,
> "steps")
> + ) {
> + fprintf(stderr, "Warning: could not save sequential
> mults stats\n");
> + }
> }
>
> // run matrix mult operation concurrently
> @@ -246,15 +255,17 @@ int main(int argc, char *argv[])
> printf("Avg: %.4f us\n", cavg);
> printf("StdDev: %.4f us\n", stats_stddev(&cdat));
>
> - if (
> - stats_hist(&chist, &cdat) ||
> + if (save_stats) {
> + if (
> + stats_hist(&chist, &cdat) ||
>
> - stats_container_save("concurrent", "Matrix Multiplication
> Concurrent Execution Runtime Scatter Plot",
> - "Iteration", "Runtime (us)", &cdat,
> "points") ||
> - stats_container_save("concurrent_hist", "Matrix Multiplication
> Concurrent Execution Runtime Histogram",
> - "Iteration", "Runtime (us)", &chist,
> "steps")
> - ) {
> - fprintf(stderr, "Warning: could not save concurrent mults
> stats\n");
> + stats_container_save("concurrent", "Matrix
> Multiplication Concurrent Execution Runtime Scatter Plot",
> + "Iteration", "Runtime (us)",
> &cdat, "points") ||
> + stats_container_save("concurrent_hist", "Matrix
> Multiplication Concurrent Execution Runtime Histogram",
> + "Iteration", "Runtime (us)",
> &chist, "steps")
> + ) {
> + fprintf(stderr, "Warning: could not save concurrent
> mults stats\n");
> + }
> }
>
> printf("\nSeq/Conc Ratios:\n");
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Gilles.Carry
Linux Project team
mailto: [EMAIL PROTECTED]
Phone: +33 (0)4 76 29 74 27
Addr.: BULL S.A. 1 rue de Provence, B.P. 208 38432 Echirolles Cedex
http://www.bull.com
http://www.bullopensource.org/
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