64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
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#include <sys/time.h>
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#include "pbd/compose.h"
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#include "canvas/types.h"
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#include "canvas/canvas.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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double
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double_random ()
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{
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return ((double) rand() / RAND_MAX);
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}
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ArdourCanvas::Rect
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rect_random (double rough_size)
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{
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double const x = double_random () * rough_size / 2;
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double const y = double_random () * rough_size / 2;
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double const w = double_random () * rough_size / 2;
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double const h = double_random () * rough_size / 2;
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return Rect (x, y, x + w, y + h);
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}
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Benchmark::Benchmark (string const & session)
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: _iterations (1)
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{
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string path = string_compose ("../../libs/canvas/benchmark/sessions/%1.xml", session);
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_canvas = new ImageCanvas (new XMLTree (path), Duple (4096, 4096));
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}
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void
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Benchmark::set_iterations (int n)
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{
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_iterations = n;
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}
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/** @return wallclock time in seconds */
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double
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Benchmark::run ()
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{
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timeval start;
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gettimeofday (&start, 0);
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for (int i = 0; i < _iterations; ++i) {
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do_run (*_canvas);
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}
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timeval stop;
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gettimeofday (&stop, 0);
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finish (*_canvas);
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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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return sec + ((double) usec / 1e6);
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}
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