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changeset 4879:24cae3e4cbaa

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6679764: enable parallel compaction by default Reviewed-by: phh, jmasa
author jcoomes
date Thu, 02 Feb 2012 16:05:17 -0800
parents 2eeebe4b4213
children 5ab44ceb4d57
files src/share/vm/runtime/arguments.cpp
diffstat 1 files changed, 4 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/vm/runtime/arguments.cpp	Mon Jan 30 15:21:57 2012 +0100
+++ b/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.