src/share/vm/gc/g1/dirtyCardQueue.hpp

rev 8802 : G1 performance improvements: card batching, joining, sorting, prefetching and write barrier fence elision and simplification based on a global syncrhonization using handshakes piggybacking on thread-local safepoints.

*** 78,90 ****
  };
  
  
  
  class DirtyCardQueueSet: public PtrQueueSet {
-   // The closure used in mut_process_buffer().
-   CardTableEntryClosure* _mut_process_closure;
- 
    DirtyCardQueue _shared_dirty_card_queue;
  
    // Override.
    bool mut_process_buffer(void** buf);
  
--- 78,87 ----
*** 96,109 ****
    jint _processed_buffers_mut;
    jint _processed_buffers_rs_thread;
  
    // Current buffer node used for parallel iteration.
    BufferNode* volatile _cur_par_buffer_node;
  public:
    DirtyCardQueueSet(bool notify_when_complete = true);
  
!   void initialize(CardTableEntryClosure* cl, Monitor* cbl_mon, Mutex* fl_lock,
                    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
--- 93,108 ----
    jint _processed_buffers_mut;
    jint _processed_buffers_rs_thread;
  
    // Current buffer node used for parallel iteration.
    BufferNode* volatile _cur_par_buffer_node;
+ 
+   bool _should_do_processing;
  public:
    DirtyCardQueueSet(bool notify_when_complete = true);
  
!   void initialize(bool should_do_processing, Monitor* cbl_mon, Mutex* fl_lock,
                    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