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comparison src/share/vm/gc_implementation/concurrentMarkSweep/freeChunk.cpp @ 1145:e018e6884bd8

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6631166: CMS: better heuristics when combatting fragmentation Summary: Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking. Reviewed-by: jmasa
author ysr
date Wed, 23 Dec 2009 09:23:54 -0800
parents d1605aabd0a1
children c18cbe5936b8
comparison
equal deleted inserted replaced
1111:44f61c24ddab 1145:e018e6884bd8
65 assert(size() == nextFC->size(), "wrong size"); 65 assert(size() == nextFC->size(), "wrong size");
66 nextFC->verifyList(); 66 nextFC->verifyList();
67 } 67 }
68 } 68 }
69 #endif 69 #endif
70
71 void FreeChunk::print_on(outputStream* st) {
72 st->print_cr("Next: " PTR_FORMAT " Prev: " PTR_FORMAT " %s",
73 next(), prev(), cantCoalesce() ? "[can't coalesce]" : "");
74 }