improve data locality by keeping the thread's working set within a sm…

…all region of memory.
ImageMagick · Jan 23, 2025 · c8bb4a6 · c8bb4a6
1 parent 6e3fe37
commit c8bb4a6
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/magick/compare.c b/magick/compare.c
@@ -2155,9 +2155,8 @@ MagickExport Image *SimilarityMetricImage(Image *image,const Image *reference,
   progress=0;
   similarity_view=AcquireVirtualCacheView(similarity_image,exception);
 #if defined(MAGICKCORE_OPENMP_SUPPORT)
-  #pragma omp parallel for schedule(static) \
-    shared(progress,status,similarity_metric) \
-    magick_number_threads(image,image,(image->rows-reference->rows+1) << 3,1)
+  #pragma omp parallel for schedule(static,1) \
+    shared(progress,status,similarity_metric)
 #endif
   for (y=0; y < (ssize_t) (image->rows-reference->rows+1); y++)
   {