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diff src/share/vm/runtime/globals.hpp @ 541:23673011938d

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6787254: Work queue capacity can be increased substantially on some platforms Summary: Increased the default and maximum size of the CMS marking stack and the size of the parallel workers' work queues in 64-bit mode. The latter was accomplished by an increase in the width of the Taskqueue's Age struct and its Tag field in 64-bit mode. Reviewed-by: jmasa, tonyp
author ysr
date Fri, 30 Jan 2009 14:17:52 -0800
parents 5cfd8d19e546
children 05c6d52fa7a9
line wrap: on
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--- a/src/share/vm/runtime/globals.hpp	Thu Jan 29 21:25:42 2009 -0800
+++ b/src/share/vm/runtime/globals.hpp	Fri Jan 30 14:17:52 2009 -0800
@@ -1426,10 +1426,10 @@
   develop(bool, CMSOverflowEarlyRestoration, false,                         \
           "Whether preserved marks should be restored early")               \
                                                                             \
-  product(uintx, CMSMarkStackSize, 32*K,                                    \
+  product(uintx, CMSMarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M),           \
           "Size of CMS marking stack")                                      \
                                                                             \
-  product(uintx, CMSMarkStackSizeMax, 4*M,                                  \
+  product(uintx, CMSMarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M),       \
           "Max size of CMS marking stack")                                  \
                                                                             \
   notproduct(bool, CMSMarkStackOverflowALot, false,                         \