| 1 | #define NUMCNTR 2000 |
| 2 | |
| 3 | void test_contrastImg(const TestData* testdata){ |
| 4 | int i; |
| 5 | Field f; |
| 6 | // difference between michelson and absolute differences from mean |
| 7 | // is large for 100x100 at 500,300 |
| 8 | f.size=128; |
| 9 | f.x = 400; |
| 10 | f.y = 300; |
| 11 | fprintf(stderr,"********** Contrast:\n"); |
| 12 | int numruns = NUMCNTR; |
| 13 | double contrastC[numruns]; |
| 14 | double contrastOpt[numruns]; |
| 15 | int timeC, timeOpt; |
| 16 | #ifdef USE_ORC |
| 17 | fprintf(stderr,"********** Variance - based Contrast (with ORC):\n"); |
| 18 | { |
| 19 | int start = timeOfDayinMS(); |
| 20 | for(i=0; i<numruns; i++){ |
| 21 | contrastC[i]=contrastSubImg_variance_C(testdata->frames[0], |
| 22 | &f, testdata->fi.width, testdata->fi.height); |
| 23 | } |
| 24 | int end = timeOfDayinMS(); |
| 25 | timeC=end-start; |
| 26 | fprintf(stderr,"***C time for %i runs: %i ms ****\n", numruns, timeC); |
| 27 | } |
| 28 | { |
| 29 | int start = timeOfDayinMS(); |
| 30 | for(i=0; i<numruns; i++){ |
| 31 | contrastOpt[i]=contrastSubImg_variance_orc(testdata->frames[0], |
| 32 | &f, testdata->fi.width, testdata->fi.height); |
| 33 | } |
| 34 | int end = timeOfDayinMS(); |
| 35 | timeOpt=end-start; |
| 36 | fprintf(stderr,"***Orc time for %i runs: %i ms ****\n", numruns, timeOpt); |
| 37 | } |
| 38 | fprintf(stderr,"***Speedup %3.2f\n", timeC/timeOpt); |
| 39 | for(i=0; i<numruns; i++){ |
| 40 | if(i==0){ |
| 41 | printf("Orc contrast %3.2f, C contrast %3.2f\n",contrastOpt[i], contrastC[i]); |
| 42 | } |
| 43 | test_bool(contrastC[i]==contrastOpt[i]); |
| 44 | } |
| 45 | #endif |
| 46 | fprintf(stderr,"********** Michelson Contrast (with SSE2):\n"); |
| 47 | { |
| 48 | int start = timeOfDayinMS(); |
| 49 | for(i=0; i<numruns; i++){ |
| 50 | contrastC[i]=contrastSubImg(testdata->frames[0].data[0], |
| 51 | &f, testdata->fi.width, testdata->fi.height,1); |
| 52 | } |
| 53 | int end = timeOfDayinMS(); |
| 54 | timeC=end-start; |
| 55 | fprintf(stderr,"***C time for %i runs: %i ms ****\n", numruns, timeC); |
| 56 | } |
| 57 | #ifdef USE_SSE2 |
| 58 | { |
| 59 | int start = timeOfDayinMS(); |
| 60 | for(i=0; i<numruns; i++){ |
| 61 | contrastOpt[i]=contrastSubImg1_SSE(testdata->frames[0].data[0], |
| 62 | &f, testdata->fi.width, testdata->fi.height); |
| 63 | } |
| 64 | int end = timeOfDayinMS(); |
| 65 | timeOpt=end-start; |
| 66 | fprintf(stderr,"***SSE2 time for %i runs: %i ms ****\n", numruns, timeOpt); |
| 67 | } |
| 68 | fprintf(stderr,"***Speedup %3.2f\n", (float)timeC/(float)timeOpt); |
| 69 | for(i=0; i<numruns; i++){ |
| 70 | if(i==0){ |
| 71 | printf("SSE2 contrast %3.2f, C contrast %3.2f\n",contrastOpt[i], contrastC[i]); |
| 72 | } |
| 73 | test_bool(contrastC[i]==contrastOpt[i]); |
| 74 | } |
| 75 | #endif |
| 76 | } |