From: David Malcolm <dmalcolm@redhat.com>
To: jit@gcc.gnu.org, gcc-patches@gcc.gnu.org
Cc: David Malcolm <dmalcolm@redhat.com>
Subject: [PATCH, committed] jit.dg/test-benchmark.c: add a summary of timings
Date: Thu, 01 Jan 2015 00:00:00 -0000 [thread overview]
Message-ID: <1438890165-64291-1-git-send-email-dmalcolm@redhat.com> (raw)
Committed to trunk as r226697.
Backported to gcc-5-branch as r226698.
gcc/testsuite/ChangeLog:
* jit.dg/test-benchmark.c (main): Record all elapsed times at each
optimization level, and print a summary at the end.
---
gcc/testsuite/jit.dg/test-benchmark.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/gcc/testsuite/jit.dg/test-benchmark.c b/gcc/testsuite/jit.dg/test-benchmark.c
index 4952fff..ca2984c 100644
--- a/gcc/testsuite/jit.dg/test-benchmark.c
+++ b/gcc/testsuite/jit.dg/test-benchmark.c
@@ -222,13 +222,14 @@ main (int argc, char **argv)
{
int opt_level;
int num_iterations = 100;
+ double elapsed_time[4];
ticks_to_msec = TICKS_TO_MSEC;
for (opt_level = 0; opt_level < 4; opt_level++)
{
int i;
- double start_time, end_time, elapsed_time;
+ double start_time, end_time;
start_time = get_wallclock_time ();
gcc_jit_timer *timer = gcc_jit_timer_new ();
for (i = 1; i <= num_iterations; i++)
@@ -240,7 +241,7 @@ main (int argc, char **argv)
test_jit (argv[0], opt_level, timer);
}
end_time = get_wallclock_time ();
- elapsed_time = end_time - start_time;
+ elapsed_time[opt_level] = end_time - start_time;
gcc_jit_timer_print (timer, stderr);
gcc_jit_timer_release (timer);
pass ("%s: survived %i iterations at optlevel %i",
@@ -248,9 +249,20 @@ main (int argc, char **argv)
note (("%s: %i iterations at optlevel %i"
" took a total of %.3fs (%.3fs per iteration)"),
argv[0], num_iterations, opt_level,
- elapsed_time, elapsed_time / num_iterations);
+ elapsed_time[opt_level],
+ elapsed_time[opt_level] / num_iterations);
}
+
totals ();
+ /* Print a summary. */
+ printf ("%s: %i iterations: time taken (lower is better)\n",
+ argv[0], num_iterations);
+ for (opt_level = 0; opt_level < 4; opt_level++)
+ printf ("optlevel %i: %.3fs (%.3fs per iteration)\n",
+ opt_level,
+ elapsed_time[opt_level],
+ elapsed_time[opt_level] / num_iterations);
+
return 0;
}
--
1.8.5.3
reply other threads:[~2015-08-06 21:05 UTC|newest]
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