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diff src/share/vm/runtime/arguments.cpp @ 4095:bca17e38de00

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6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads Summary: Select number of GC threads dynamically based on heap usage and number of Java threads Reviewed-by: johnc, ysr, jcoomes
author jmasa
date Tue, 09 Aug 2011 10:16:01 -0700
parents 5bda8dae4e14
children 55d777c0860a
line wrap: on
line diff
--- a/src/share/vm/runtime/arguments.cpp	Tue Nov 22 04:47:10 2011 -0500
+++ b/src/share/vm/runtime/arguments.cpp	Tue Aug 09 10:16:01 2011 -0700
@@ -1394,8 +1394,8 @@
   // If no heap maximum was requested explicitly, use some reasonable fraction
   // of the physical memory, up to a maximum of 1GB.
   if (UseParallelGC) {
-    FLAG_SET_ERGO(uintx, ParallelGCThreads,
-                  Abstract_VM_Version::parallel_worker_threads());
+    FLAG_SET_DEFAULT(ParallelGCThreads,
+                     Abstract_VM_Version::parallel_worker_threads());
 
     // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the
     // SurvivorRatio has been set, reset their default values to SurvivorRatio +