63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include <sys/time.h>
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#include "canvas/group.h"
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#include "canvas/canvas.h"
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#include "canvas/root_group.h"
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#include "canvas/rectangle.h"
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#include "benchmark.h"
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using namespace std;
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using namespace ArdourCanvas;
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static void
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test (int items_per_cell)
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{
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Group::default_items_per_cell = items_per_cell;
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int const n_rectangles = 10000;
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int const n_tests = 1000;
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double const rough_size = 1000;
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srand (1);
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ImageCanvas canvas;
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list<Item*> rectangles;
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for (int i = 0; i < n_rectangles; ++i) {
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rectangles.push_back (new Rectangle (canvas.root(), rect_random (rough_size)));
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}
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for (int i = 0; i < n_tests; ++i) {
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Duple test (double_random() * rough_size, double_random() * rough_size);
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/* ask the group what's at this point */
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vector<Item const *> items;
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canvas.root()->add_items_at_point (test, items);
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}
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}
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int main ()
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{
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int tests[] = { 1, 2, 4, 8, 16, 32, 64, 128, 256 };
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for (unsigned int i = 0; i < sizeof (tests) / sizeof (int); ++i) {
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timeval start;
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timeval stop;
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gettimeofday (&start, 0);
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test (tests[i]);
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gettimeofday (&stop, 0);
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int sec = stop.tv_sec - start.tv_sec;
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int usec = stop.tv_usec - start.tv_usec;
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if (usec < 0) {
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--sec;
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usec += 1e6;
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}
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double seconds = sec + ((double) usec / 1e6);
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cout << "Test " << tests[i] << ": " << seconds << "\n";
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}
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}
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