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6862387: tune concurrent refinement further

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Reworked the concurrent refinement: threads activation, feedback-based threshold adjustment, other miscellaneous fixes.

Reviewed-by: apetrusenko, tonyp
This commit is contained in:
Igor Veresov 2009-12-16 15:12:51 -08:00
parent 1bed5a3ded
commit 1383dc414b
16 changed files with 509 additions and 307 deletions
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11
hotspot/src/share/vm/gc_implementation/g1/dirtyCardQueue.hpp
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@ -84,11 +84,12 @@ class DirtyCardQueueSet: public PtrQueueSet {
jint _processed_buffers_rs_thread;
public:
DirtyCardQueueSet();
DirtyCardQueueSet(bool notify_when_complete = true);
void initialize(Monitor* cbl_mon, Mutex* fl_lock,
int max_completed_queue = 0,
Mutex* lock = NULL, PtrQueueSet* fl_owner = NULL);
int process_completed_threshold,
int max_completed_queue,
Mutex* lock, PtrQueueSet* fl_owner = NULL);
// The number of parallel ids that can be claimed to allow collector or
// mutator threads to do card-processing work.
@ -123,9 +124,9 @@ public:
bool during_pause = false);
bool apply_closure_to_completed_buffer_helper(int worker_i,
CompletedBufferNode* nd);
BufferNode* nd);
CompletedBufferNode* get_completed_buffer(int stop_at);
BufferNode* get_completed_buffer(int stop_at);
// Applies the current closure to all completed buffers,
// non-consumptively.