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8029075: String deduplication in G1

Browse source 
Implementation of JEP 192, http://openjdk.java.net/jeps/192

Reviewed-by: brutisso, tschatzl, coleenp
This commit is contained in:
Per Lidén 2014-03-18 19:07:22 +01:00
parent 1e1ad7f132
commit 4a4c0fce93
32 changed files with 2915 additions and 17 deletions
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16
hotspot/src/share/vm/runtime/globals.hpp
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@ -3840,6 +3840,22 @@ class CommandLineFlags {
experimental(uintx, SymbolTableSize, defaultSymbolTableSize, \
"Number of buckets in the JVM internal Symbol table") \
\
product(bool, UseStringDeduplication, false, \
"Use string deduplication") \
\
product(bool, PrintStringDeduplicationStatistics, false, \
"Print string deduplication statistics") \
\
product(uintx, StringDeduplicationAgeThreshold, 3, \
"A string must reach this age (or be promoted to an old region) " \
"to be considered for deduplication") \
\
diagnostic(bool, StringDeduplicationResizeALot, false, \
"Force table resize every time the table is scanned") \
\
diagnostic(bool, StringDeduplicationRehashALot, false, \
"Force table rehash every time the table is scanned") \
\
develop(bool, TraceDefaultMethods, false, \
"Trace the default method processing steps") \
\