Eigen #pragma omp parallel for collapse(2) schedule(static,100) ------------------------- Convolve // #pragma omp parallel for schedule(static,100) detecting features for ./input_images/000009.png sigma = 1.100, windowsize = 50, max_features = 10000 image_size: [1241 x 376] px [gettimeofday] EigenValues Time 306.903992 2702 features detected Convolution Time 0.012532 EigenValues Time 0.306904 Convolve sans rien detecting features for ./input_images/000009.png sigma = 1.100, windowsize = 50, max_features = 10000 image_size: [1241 x 376] px [gettimeofday] EigenValues Time 327.713989 2702 features detected Convolution Time 0.018599 EigenValues Time 0.327714 Convolve // #pragma omp parallel for schedule(static,50) detecting features for ./input_images/000009.png sigma = 1.100, windowsize = 50, max_features = 10000 image_size: [1241 x 376] px [gettimeofday] EigenValues Time 296.431000 2702 features detected Convolution Time 0.037112 EigenValues Time 0.296431 ------------------------- Convolve // #pragma omp parallel for schedule(static,200) ------------------------- detecting features for ./input_images/000009.png sigma = 1.100, windowsize = 50, max_features = 10000 image_size: [1241 x 376] px [gettimeofday] EigenValues Time 307.218994 2702 features detected Convolution Time 0.024083 EigenValues Time 0.307218 detecting features for ./input_images/000009.png sigma = 1.100, windowsize = 50, max_features = 10000 image_size: [1241 x 376] px [gettimeofday] EigenValues Time 306.039001 2702 features detected Convolution Time 0.057235 EigenValues Time 0.306040