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comparison src/share/vm/gc_implementation/g1/heapRegion.hpp @ 677:96b229c54d1e

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6543938: G1: remove the concept of popularity Reviewed-by: iveresov, tonyp
author apetrusenko
date Wed, 25 Mar 2009 13:10:54 -0700
parents 7bb995fbd3c0
children 29e7d79232b9
comparison
equal deleted inserted replaced
649:59f139e8a8d1 677:96b229c54d1e
236 size_t _next_marked_bytes; // Bytes known to be live via in-progress marking. 236 size_t _next_marked_bytes; // Bytes known to be live via in-progress marking.
237 237
238 // See "sort_index" method. -1 means is not in the array. 238 // See "sort_index" method. -1 means is not in the array.
239 int _sort_index; 239 int _sort_index;
240 240
241 // Means it has (or at least had) a very large RS, and should not be
242 // considered for membership in a collection set.
243 enum PopularityState {
244 NotPopular,
245 PopularPending,
246 Popular
247 };
248 PopularityState _popularity;
249
250 // <PREDICTION> 241 // <PREDICTION>
251 double _gc_efficiency; 242 double _gc_efficiency;
252 // </PREDICTION> 243 // </PREDICTION>
253 244
254 enum YoungType { 245 enum YoungType {
429 } 420 }
430 void set_next_gc_alloc_region(HeapRegion* r) { 421 void set_next_gc_alloc_region(HeapRegion* r) {
431 assert(is_gc_alloc_region(), "should only invoke on member of CS."); 422 assert(is_gc_alloc_region(), "should only invoke on member of CS.");
432 assert(r == NULL || r->is_gc_alloc_region(), "Malformed CS."); 423 assert(r == NULL || r->is_gc_alloc_region(), "Malformed CS.");
433 _next_in_special_set = r; 424 _next_in_special_set = r;
434 }
435
436 bool is_reserved() {
437 return popular();
438 } 425 }
439 426
440 bool is_on_free_list() { 427 bool is_on_free_list() {
441 return _is_on_free_list; 428 return _is_on_free_list;
442 } 429 }
607 594
608 zero_marked_bytes(); 595 zero_marked_bytes();
609 init_top_at_mark_start(); 596 init_top_at_mark_start();
610 } 597 }
611 598
612 bool popular() { return _popularity == Popular; }
613 void set_popular(bool b) {
614 if (b) {
615 _popularity = Popular;
616 } else {
617 _popularity = NotPopular;
618 }
619 }
620 bool popular_pending() { return _popularity == PopularPending; }
621 void set_popular_pending(bool b) {
622 if (b) {
623 _popularity = PopularPending;
624 } else {
625 _popularity = NotPopular;
626 }
627 }
628
629 // <PREDICTION> 599 // <PREDICTION>
630 void calc_gc_efficiency(void); 600 void calc_gc_efficiency(void);
631 double gc_efficiency() { return _gc_efficiency;} 601 double gc_efficiency() { return _gc_efficiency;}
632 // </PREDICTION> 602 // </PREDICTION>
633 603