(no commit message)

[imagemagick] / MagickCore / thread-private.h

diff --git a/MagickCore/thread-private.h b/MagickCore/thread-private.h
index 8094613f4ecc4ba3a305bbe58a4a9c4c33323eac..a1310daa6a21d06ff828016ac60a8fe7eae0743e 100644 (file)
--- a/MagickCore/thread-private.h
+++ b/MagickCore/thread-private.h
@@ -22,21 +22,22 @@
 extern "C" {
 #endif
 
+#include <MagickCore/cache.h>
+#include <MagickCore/resource_.h>
 #include <MagickCore/thread_.h>
 
-#define IsConcurrentColors(colors,threshold) \
-  if ((colors) > 256) \
-    num_threads(GetMagickResourceLimit(ThreadResource))
-#define IsConcurrentArea(columns,rows,threshold) \
-  if (((((columns) > 64) || ((rows) > 64))) && \
-      ((MagickSizeType) (columns*rows) > (64*64))) \
-    num_threads(GetMagickResourceLimit(ThreadResource))
-#define IsConcurrentAreaExp(columns,rows,threshold,expression) \
-  if (((((columns) > 64) || ((rows) > 64))) && \
-      ((MagickSizeType) (columns*rows) > (64*64)) && (expression)) \
+/*
+  Single threaded unless workload justifies the threading overhead.
+*/
+#define WorkloadThreshold()  (16*GetMagickResourceLimit(ThreadResource))
+#define dynamic_number_threads(image,columns,rows,expression) \
+  if (((((columns) > WorkloadThreshold()) || \
+      ((rows) > WorkloadThreshold()))) && ((MagickSizeType) \
+      ((columns)*(rows)) > (WorkloadThreshold()*WorkloadThreshold())) && \
+      (GetImagePixelCacheType(image) != DiskCache) && (expression)) \
     num_threads(GetMagickResourceLimit(ThreadResource))
 
-#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR > 10))
+#if (__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ > 10))
 #define MagickCachePrefetch(address,mode,locality) \
   __builtin_prefetch(address,mode,locality)
 #else