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perf: Move the per-size loop from cairo_perf_run to main

Browse source 
The motivation here is to have the cairo_t context available
to the perf funcs before they call into cairo_perf_run, (so
that they can do one-time setup of source etc. for several
runs).
This commit is contained in:
Carl Worth 2006-10-04 12:55:54 -07:00
parent 251bed8640
commit 4406ab1b9e
1 changed files with 56 additions and 51 deletions
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107
perf/cairo-perf.c
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@ -32,9 +32,9 @@
struct _cairo_perf {
unsigned int iterations;
cairo_boilerplate_target_t *target;
unsigned int min_size;
unsigned int max_size;
unsigned int test_number;
unsigned int size;
cairo_t *cr;
};
typedef struct _cairo_perf_case {
@ -147,52 +147,39 @@ cairo_perf_run (cairo_perf_t *perf,
static cairo_bool_t first_run = TRUE;
unsigned int i;
unsigned int size;
cairo_surface_t *surface;
cairo_t *cr;
cairo_perf_ticks_t *times;
stats_t stats;
cairo_boilerplate_target_t *target = perf->target;
times = xmalloc (perf->iterations * sizeof (cairo_perf_ticks_t));
for (size = perf->min_size; size <= perf->max_size; size *= 2) {
surface = (target->create_surface) (name,
target->content,
size, size,
CAIRO_BOILERPLATE_MODE_PERF,
&target->closure);
cairo_perf_timer_set_finalize (target->wait_for_rendering, target->closure);
cr = cairo_create (surface);
for (i =0; i < perf->iterations; i++) {
cairo_perf_yield ();
times[i] = (perf_func) (cr, size, size);
}
qsort (times, perf->iterations,
sizeof (cairo_perf_ticks_t), compare_cairo_perf_ticks);
/* Assume the slowest 15% are outliers, and ignore */
_compute_stats (times, .85 * perf->iterations, &stats);
if (first_run) {
printf ("[ # ] %8s-%-4s %27s %9s %5s %s\n",
"backend", "content", "test-size", "mean ms",
"std dev.", "iterations");
first_run = FALSE;
}
printf ("[%3d] %8s-%-4s %25s-%-3d ",
perf->test_number, target->name,
_content_to_string (target->content),
name, size);
printf ("%#9.3f %#5.2f%% % 5d\n",
(stats.mean * 1000.0) / cairo_perf_ticks_per_second (),
stats.std_dev * 100.0, perf->iterations);
perf->test_number++;
for (i =0; i < perf->iterations; i++) {
cairo_perf_yield ();
times[i] = (perf_func) (perf->cr, perf->size, perf->size);
}
qsort (times, perf->iterations,
sizeof (cairo_perf_ticks_t), compare_cairo_perf_ticks);
/* Assume the slowest 15% are outliers, and ignore */
_compute_stats (times, .85 * perf->iterations, &stats);
if (first_run) {
printf ("[ # ] %8s-%-4s %27s %9s %5s %s\n",
"backend", "content", "test-size", "mean ms",
"std dev.", "iterations");
first_run = FALSE;
}
printf ("[%3d] %8s-%-4s %25s-%-3d ",
perf->test_number, perf->target->name,
_content_to_string (perf->target->content),
name, perf->size);
printf ("%#9.3f %#5.2f%% % 5d\n",
(stats.mean * 1000.0) / cairo_perf_ticks_per_second (),
stats.std_dev * 100.0, perf->iterations);
perf->test_number++;
}
int
@ -202,6 +189,8 @@ main (int argc, char *argv[])
cairo_perf_case_t *perf_case;
cairo_perf_t perf;
const char *cairo_test_target = getenv ("CAIRO_TEST_TARGET");
cairo_boilerplate_target_t *target;
cairo_surface_t *surface;
if (getenv("CAIRO_PERF_ITERATIONS"))
perf.iterations = strtol(getenv("CAIRO_PERF_ITERATIONS"), NULL, 0);
@ -209,19 +198,35 @@ main (int argc, char *argv[])
perf.iterations = 100;
for (i = 0; targets[i].name; i++) {
perf.target = &targets[i];
if (! target_is_measurable (perf.target))
continue;
if (cairo_test_target && ! strstr (cairo_test_target, perf.target->name))
continue;
perf.target = target = &targets[i];
perf.test_number = 0;
if (! target_is_measurable (target))
continue;
if (cairo_test_target && ! strstr (cairo_test_target, target->name))
continue;
for (j = 0; perf_cases[j].run; j++) {
perf_case = &perf_cases[j];
perf.min_size = perf_case->min_size;
perf.max_size = perf_case->max_size;
perf_case->run (&perf);
for (perf.size = perf_case->min_size;
perf.size <= perf_case->max_size;
perf.size *= 2)
{
surface = (target->create_surface) (NULL,
target->content,
perf.size, perf.size,
CAIRO_BOILERPLATE_MODE_PERF,
&target->closure);
cairo_perf_timer_set_finalize (target->wait_for_rendering,
target->closure);
perf.cr = cairo_create (surface);
perf_case->run (&perf);
cairo_surface_destroy (surface);
}
}
}