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6765954: par compact - stress mode for splitting young gen spaces

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Reviewed-by: jmasa
This commit is contained in:
John Coomes 2008-12-11 12:05:21 -08:00
parent 7a9585170d
commit 8fc946854c
4 changed files with 207 additions and 12 deletions
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9
hotspot/src/share/vm/runtime/globals.hpp
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@ -1203,11 +1203,12 @@ class CommandLineFlags {
product(uintx, ParallelCMSThreads, 0, \
"Max number of threads CMS will use for concurrent work") \
\
develop(bool, ParallelOldMTUnsafeMarkBitMap, false, \
"Use the Parallel Old MT unsafe in marking the bitmap") \
develop(bool, ParallelOldGCSplitALot, false, \
"Provoke splitting (copying data from a young gen space to" \
"multiple destination spaces)") \
\
develop(bool, ParallelOldMTUnsafeUpdateLiveData, false, \
"Use the Parallel Old MT unsafe in update of live size") \
develop(uintx, ParallelOldGCSplitInterval, 3, \
"How often to provoke splitting a young gen space") \
\
develop(bool, TraceRegionTasksQueuing, false, \
"Trace the queuing of the region tasks") \