static void
cairo_perf_reports_compare (struct chart *chart,
cairo_bool_t print)
{
test_report_t **tests, *min_test;
double test_time, best_time;
int num_test = 0;
int seen_non_null;
int i;
tests = xmalloc (chart->num_reports * sizeof (test_report_t *));
for (i = 0; i < chart->num_reports; i++)
tests[i] = chart->reports[i].tests;
if (print) {
if (chart->use_html) {
printf ("<table style=\"text-align:right\" cellspacing=\"4\">\n");
printf ("<tr><td></td>");
for (i = 0; i < chart->num_reports; i++) {
printf ("<td>%s</td>", chart->names[i] ? chart->names[i] : "");
}
printf ("</tr>\n");
}
}
while (1) {
/* We expect iterations values of 0 when multiple raw reports
* for the same test have been condensed into the stats of the
* first. So we just skip these later reports that have no
* stats. */
seen_non_null = 0;
for (i = 0; i < chart->num_reports; i++) {
while (tests[i]->name && tests[i]->stats.iterations == 0)
tests[i]++;
if (tests[i]->name)
seen_non_null++;
}
if (! seen_non_null)
break;
/* Find the minimum of all current tests, (we have to do this
* in case some reports don't have a particular test). */
for (i = 0; i < chart->num_reports; i++) {
if (tests[i]->name) {
min_test = tests[i];
break;
}
}
for (++i; i < chart->num_reports; i++) {
if (tests[i]->name && test_report_cmp_name (tests[i], min_test) < 0)
min_test = tests[i];
}
add_label (chart, num_test, min_test->name);
if (print) {
if (chart->use_html) {
printf ("<tr><td>%s</td>", min_test->name);
} else {
if (min_test->size) {
printf ("%16s, size %4d:\n",
min_test->name,
min_test->size);
} else {
printf ("%26s:",
min_test->name);
}
}
}
test_time = 0;
best_time = HUGE_VAL;
for (i = 0; i < chart->num_reports; i++) {
test_report_t *initial = tests[i];
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time < report_time) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (test_time == 0 && report_time != HUGE_VAL)
test_time = report_time;
if (report_time < best_time)
best_time = report_time;
tests[i] = initial;
}
for (i = 0; i < chart->num_reports; i++) {
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time > 0) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (print) {
if (chart->use_html) {
if (report_time < HUGE_VAL) {
if (report_time / best_time < 1.01) {
printf ("<td><strong>%.1f</strong></td>", report_time/1000);
} else {
printf ("<td>%.1f</td>", report_time/1000);
}
} else {
printf ("<td></td>");
}
} else {
if (report_time < HUGE_VAL)
printf (" %6.1f", report_time/1000);
else
printf (" ---");
}
}
if (report_time < HUGE_VAL) {
if (chart->relative) {
add_chart (chart, num_test, i,
to_factor (test_time / report_time));
} else {
add_chart (chart, num_test, i, report_time);
}
}
}
if (print) {
if (chart->use_html) {
printf ("</tr>\n");
} else {
printf ("\n");
}
}
num_test++;
}
if (chart->relative) {
add_label (chart, num_test, "(geometric mean)");
for (i = 0; i < chart->num_reports; i++)
add_average (chart, num_test, i, to_factor (chart->average[i]));
}
free (tests);
if (print) {
if (chart->use_html)
printf ("</table>\n");
printf ("\n");
for (i = 0; i < chart->num_reports; i++) {
if (chart->names[i]) {
printf ("[%s] %s\n",
chart->names[i], chart->reports[i].configuration);
} else {
printf ("[%d] %s\n",
i, chart->reports[i].configuration);
}
}
}
}
static void
cairo_perf_reports_compare (cairo_perf_report_t *reports,
int num_reports,
cairo_perf_report_options_t *options)
{
int i;
test_report_t **tests, *min_test;
test_diff_t *diff, *diffs;
int num_diffs, max_diffs;
double max_change;
double test_time;
int seen_non_null;
tests = xmalloc (num_reports * sizeof (test_report_t *));
max_diffs = reports[0].tests_count;
for (i = 0; i < num_reports; i++) {
tests[i] = reports[i].tests;
if (reports[i].tests_count > max_diffs)
max_diffs = reports[i].tests_count;
}
diff = diffs = xmalloc (max_diffs * sizeof (test_diff_t));
num_diffs = 0;
while (1) {
int num_tests;
/* We expect iterations values of 0 when multiple raw reports
* for the same test have been condensed into the stats of the
* first. So we just skip these later reports that have no
* stats. */
seen_non_null = 0;
for (i = 0; i < num_reports; i++) {
while (tests[i]->name && tests[i]->stats.iterations == 0)
tests[i]++;
if (tests[i]->name)
seen_non_null++;
}
if (! seen_non_null)
break;
/* Find the minimum of all current tests, (we have to do this
* in case some reports don't have a particular test). */
for (i = 0; i < num_reports; i++) {
if (tests[i]->name) {
min_test = tests[i];
break;
}
}
for (++i; i < num_reports; i++) {
if (tests[i]->name && test_report_cmp_name (tests[i], min_test) < 0)
min_test = tests[i];
}
num_tests = 0;
for (i = 0; i < num_reports; i++) {
test_report_t *test;
int n = 0;
test = tests[i];
while (test[n].name &&
test_report_cmp_name (&test[n], min_test) == 0)
{
n++;
}
num_tests += n;
}
/* For each report that has the current test, record it into
* the diff structure. */
diff->num_tests = 0;
diff->tests = xmalloc (num_tests * sizeof (test_diff_t));
for (i = 0; i < num_reports; i++) {
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
test_time = tests[i]->stats.min_ticks;
if (test_time > 0) {
test_time /= tests[i]->stats.ticks_per_ms;
if (diff->num_tests == 0) {
diff->min = test_time;
diff->max = test_time;
} else {
if (test_time < diff->min)
diff->min = test_time;
if (test_time > diff->max)
diff->max = test_time;
}
diff->tests[diff->num_tests++] = tests[i];
}
tests[i]++;
}
}
diff->change = diff->max / diff->min;
diff++;
num_diffs++;
}
if (num_diffs == 0)
goto DONE;
qsort (diffs, num_diffs, sizeof (test_diff_t), test_diff_cmp);
max_change = 1.0;
for (i = 0; i < num_diffs; i++) {
if (fabs (diffs[i].change) > max_change)
max_change = fabs (diffs[i].change);
}
for (i = 0; i < num_diffs; i++) {
diff = &diffs[i];
/* Discard as uninteresting a change which is less than the
* minimum change required, (default may be overridden on
* command-line). */
if (fabs (diff->change) - 1.0 < options->min_change)
continue;
test_diff_print (diff, max_change, options);
}
for (i = 0; i < num_diffs; i++)
free (diffs[i].tests);
DONE:
free (diffs);
free (tests);
}
static void
find_ranges (struct chart *chart)
{
test_report_t **tests, *min_test;
double *values;
int num_values, size_values;
double min = 0, max = 0;
double test_time;
int seen_non_null;
int num_tests = 0;
double slow_sum = 0, fast_sum = 0, sum;
int slow_count = 0, fast_count = 0;
int *count;
int i;
num_values = 0;
size_values = 64;
values = xmalloc (size_values * sizeof (double));
chart->average = xmalloc(chart->num_reports * sizeof(double));
count = xmalloc(chart->num_reports * sizeof(int));
for (i = 0; i < chart->num_reports; i++) {
chart->average[i] = 0;
count[i] = 0;
}
tests = xmalloc (chart->num_reports * sizeof (test_report_t *));
for (i = 0; i < chart->num_reports; i++)
tests[i] = chart->reports[i].tests;
while (1) {
/* We expect iterations values of 0 when multiple raw reports
* for the same test have been condensed into the stats of the
* first. So we just skip these later reports that have no
* stats. */
seen_non_null = 0;
for (i = 0; i < chart->num_reports; i++) {
while (tests[i]->name && tests[i]->stats.iterations == 0)
tests[i]++;
if (tests[i]->name)
seen_non_null++;
}
if (! seen_non_null)
break;
num_tests++;
/* Find the minimum of all current tests, (we have to do this
* in case some reports don't have a particular test). */
for (i = 0; i < chart->num_reports; i++) {
if (tests[i]->name) {
min_test = tests[i];
break;
}
}
for (++i; i < chart->num_reports; i++) {
if (tests[i]->name && test_report_cmp_name (tests[i], min_test) < 0)
min_test = tests[i];
}
test_time = 0;
for (i = 0; i < chart->num_reports; i++) {
double report_time = HUGE_VAL;
while (tests[i]->name &&
test_report_cmp_name (tests[i], min_test) == 0)
{
double time = tests[i]->stats.min_ticks;
if (time < report_time) {
time /= tests[i]->stats.ticks_per_ms;
if (time < report_time)
report_time = time;
}
tests[i]++;
}
if (report_time != HUGE_VAL) {
if (test_time == 0)
test_time = report_time;
chart->average[i] += report_time / test_time;
count[i]++;
if (chart->relative) {
if (test_time != report_time) {
double v = to_factor (test_time / report_time);
if (num_values == size_values) {
size_values *= 2;
values = xrealloc (values,
size_values * sizeof (double));
}
values[num_values++] = v;
if (v < min)
min = v;
if (v > max)
max = v;
if (v > 0)
fast_sum += v/100, fast_count++;
else
slow_sum += v/100, slow_count++;
sum += v/100;
printf ("%s %d: %f\n", min_test->name, num_values, v);
}
} else {
if (report_time < min)
min = report_time;
if (report_time > max)
max = report_time;
}
}
}
}
for (i = 0; i < chart->num_reports; i++) {
if (count[i])
chart->average[i] = count[i] / chart->average[i];
else
chart->average[i] = 1.;
}
if (chart->relative)
trim_outliers (values, num_values, &min, &max);
chart->min_value = min;
chart->max_value = max;
chart->num_tests = num_tests + !!chart->relative;
free (values);
free (tests);
free (count);
printf ("%d: slow[%d] average: %f, fast[%d] average: %f, %f\n",
num_values, slow_count, slow_sum / slow_count, fast_count, fast_sum / fast_count, sum / num_values);
}