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Add a performance test for curve eval

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All curve types are equally fast here.
This commit is contained in:
Matthias Clasen
2020-12-07 22:31:37 -05:00
parent 76acbddb61
commit 56e9dab861
1 changed files with 57 additions and 0 deletions
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57
testsuite/gsk/curve-performance.c
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@@ -117,6 +117,60 @@ conic_intersection (void)
test_intersection (GSK_PATH_CONIC, GSK_PATH_CONIC);
}
static void
test_eval (GskPathOperation op)
{
GskCurve curves[10000];
GskCurve *c;
gint64 start, time;
gint64 count;
double time_elapsed;
double result;
float t;
graphene_point_t point;
graphene_vec2_t tangent;
for (int i = 0; i < 10000; i++)
init_random_curve_with_op (&curves[i], op, op);
count = 0;
start = time = g_get_monotonic_time ();
while (time - start < G_TIME_SPAN_SECOND * 20)
{
c = &curves[g_test_rand_int_range (0, 10000)];
t = g_test_rand_int_range (0, 1);
gsk_curve_eval (c, t, &point, &tangent);
count++;
if (count % 10000 == 0)
time = g_get_monotonic_time ();
}
time_elapsed = (time - start) / (double) G_TIME_SPAN_SECOND;
result = ((double) count / time_elapsed);
g_test_maximized_result (result, "%8.1f ops/s", result);
}
static void
line_eval (void)
{
test_eval (GSK_PATH_LINE);
}
static void
curve_eval (void)
{
test_eval (GSK_PATH_CURVE);
}
static void
conic_eval (void)
{
test_eval (GSK_PATH_CONIC);
}
int
main (int argc, char *argv[])
{
@@ -128,6 +182,9 @@ main (int argc, char *argv[])
g_test_add_func ("/curve/perf/intersection/line-curve", line_curve_intersection);
g_test_add_func ("/curve/perf/intersection/curve", curve_intersection);
g_test_add_func ("/curve/perf/intersection/conic", conic_intersection);
g_test_add_func ("/curve/perf/eval/line", line_eval);
g_test_add_func ("/curve/perf/eval/curve", curve_eval);
g_test_add_func ("/curve/perf/eval/conic", conic_eval);
}
return g_test_run ();