Add OpenMP parallelization to PFM data load loops

victoryforce · victoryforce · commit 1255ed78949a · 2024-10-18T18:01:46.000+03:00
diff --git a/src/imageio/imageio_pfm.c b/src/imageio/imageio_pfm.c
@@ -92,6 +92,7 @@ dt_imageio_retval_t dt_imageio_open_pfm(dt_image_t *img, const char *filename, d
   {
     ret = fread(readbuf, 3 * sizeof(float), npixels, f);
 
+DT_OMP_FOR(collapse(2))
     for(size_t j = 0; j < img->height; j++)
       for(size_t i = 0; i < img->width; i++)
       {
@@ -109,6 +110,7 @@ dt_imageio_retval_t dt_imageio_open_pfm(dt_image_t *img, const char *filename, d
   {
     ret = fread(readbuf, sizeof(float), npixels, f);
 
+DT_OMP_FOR(collapse(2))
     for(size_t j = 0; j < img->height; j++)
       for(size_t i = 0; i < img->width; i++)
       {

Original file line number	Diff line number	Diff line change
`@@ -92,6 +92,7 @@ dt_imageio_retval_t dt_imageio_open_pfm(dt_image_t img, const char filename, d`
`92`	`92`	`{`
`93`	`93`	`ret = fread(readbuf, 3 * sizeof(float), npixels, f);`
`94`	`94`
	`95`	`+DT_OMP_FOR(collapse(2))`
`95`	`96`	`for(size_t j = 0; j < img->height; j++)`
`96`	`97`	`for(size_t i = 0; i < img->width; i++)`
`97`	`98`	`{`
`@@ -109,6 +110,7 @@ dt_imageio_retval_t dt_imageio_open_pfm(dt_image_t img, const char filename, d`
`109`	`110`	`{`
`110`	`111`	`ret = fread(readbuf, sizeof(float), npixels, f);`
`111`	`112`
	`113`	`+DT_OMP_FOR(collapse(2))`
`112`	`114`	`for(size_t j = 0; j < img->height; j++)`
`113`	`115`	`for(size_t i = 0; i < img->width; i++)`
`114`	`116`	`{`