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6679764: enable parallel compaction by default
authorjcoomes
Thu, 02 Feb 2012 16:05:17 -0800
changeset 11643 8099a0118cc1
parent 11642 26b87a113138
child 11644 a36e2d4f45bc
6679764: enable parallel compaction by default Reviewed-by: phh, jmasa
hotspot/src/share/vm/runtime/arguments.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/runtime/arguments.cpp	Mon Jan 30 15:21:57 2012 +0100
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Thu Feb 02 16:05:17 2012 -0800
@@ -1400,10 +1400,11 @@
 
 void Arguments::set_parallel_gc_flags() {
   assert(UseParallelGC || UseParallelOldGC, "Error");
-  // If parallel old was requested, automatically enable parallel scavenge.
-  if (UseParallelOldGC && !UseParallelGC && FLAG_IS_DEFAULT(UseParallelGC)) {
-    FLAG_SET_DEFAULT(UseParallelGC, true);
+  // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file).
+  if (FLAG_IS_DEFAULT(UseParallelOldGC)) {
+    FLAG_SET_DEFAULT(UseParallelOldGC, true);
   }
+  FLAG_SET_DEFAULT(UseParallelGC, true);
 
   // If no heap maximum was requested explicitly, use some reasonable fraction
   // of the physical memory, up to a maximum of 1GB.
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