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8048268: G1 Code Root Migration performs poorly

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Replace G1CodeRootSet with a Hashtable based implementation, merge Code Root Migration phase into Code Root Scanning

Reviewed-by: jmasa, brutisso, tschatzl
This commit is contained in:
Mikael Gerdin 2014-08-29 13:12:21 +02:00
parent 6fc8764c65
commit 10379e7e82
17 changed files with 437 additions and 677 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/g1_globals.hpp
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@ -277,10 +277,6 @@
product(uintx, G1MixedGCCountTarget, 8, \
"The target number of mixed GCs after a marking cycle.") \
\
experimental(uintx, G1CodeRootsChunkCacheKeepPercent, 10, \
"The amount of code root chunks that should be kept at most " \
"as percentage of already allocated.") \
\
experimental(bool, G1ReclaimDeadHumongousObjectsAtYoungGC, true, \
"Try to reclaim dead large objects at every young GC.") \
\