From 27bfb95f0e48b2372725025b54b46340b9e6f17c Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 8 Oct 2017 19:24:24 -0400
Subject: [PATCH] ...

---
 MagickCore/thread-private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MagickCore/thread-private.h b/MagickCore/thread-private.h
index c3696accd..3d612a564 100644
--- a/MagickCore/thread-private.h
+++ b/MagickCore/thread-private.h
@@ -36,7 +36,7 @@ extern "C" {
      (GetImagePixelCacheType(source) == MapCache)) && \
     ((GetImagePixelCacheType(destination) == MemoryCache) || \
      (GetImagePixelCacheType(destination) == MapCache))) ? \
-    MagickMax(1,MagickMin(GetMagickResourceLimit(ThreadResource),(chunk)/16)) : 1)
+    MagickMax(1,MagickMin(GetMagickResourceLimit(ThreadResource),(chunk)/256)) : 1)
 #define magick_number_threads(source,destination,number_threads) \
   num_threads(( \
     ((GetImagePixelCacheType(source) == MemoryCache) || \
-- 
2.40.0