tests/test_boxblur.c

   1 // runs the boxblur routine and returns the time
   2 int runboxblur( VSFrame frame1, VSFrame dest,
   3                 VSFrameInfo fi, int numruns){
   4   int start = timeOfDayinMS();
   5   int i;
   6   boxblurPlanar(&dest, &frame1, 0, &fi, 15, BoxBlurColor);
   7   for(i=1; i<numruns; i++){
   8     boxblurPlanar(&dest, &dest, 0, &fi, 15, BoxBlurColor);
   9   }
  10   int end = timeOfDayinMS();
  11   return end-start;
  12 }
  13
  14
  15 void test_boxblur(const TestData* testdata){
  16   int time; //, timeref;
  17   int numruns=2;
  18   VSFrame dest;
  19   vsFrameAllocate(&dest,&testdata->fi);
  20   //    omp_set_dynamic( 0 );
  21   //    omp_set_num_threads( 1 );
  22   fprintf(stderr,"********** boxblur speedtest:\n");
  23   time = runboxblur(testdata->frames[4], dest, testdata->fi, numruns);
  24   fprintf(stderr,"***C    time for %i runs: %i ms\n", numruns, time);
  25   storePGMImage("boxblured.pgm", dest.data[0], testdata->fi);
  26   storePGMImage("orig4.pgm", testdata->frames[4].data[0], testdata->fi);
  27   // timeref=time;
  28   /* omp_set_dynamic( 0 ); */
  29   /* omp_set_num_threads( 2); */
  30   /* time = runboxblur(testdata->frames[4], dest, testdata->fi, numruns); */
  31   /* fprintf(stderr,"***C (2)time for %i runs: %i ms, Speedup %f\n", numruns, time, */
  32   /*       (double)timeref/time); */
  33   /* omp_set_dynamic( 1 ); */
  34   vsFrameFree(&dest);
  35 }