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comparison src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp @ 1391:79e419e5ea3b

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6942253: G1: replace G1ParallelGCAllocBufferSize with YoungPLABSize and OldPLABSize Summary: Replaces the G1-specific parameter with the existing ones that are used by the other GCs (YoungPLABSize and OldPLABSize) Reviewed-by: tonyp, johnc
author apetrusenko
date Fri, 16 Apr 2010 08:48:16 -0700
parents f9ec1e4bbb44
children 1316cec51b4d
comparison
equal deleted inserted replaced
1390:f9ec1e4bbb44 1391:79e419e5ea3b
2943 (G1SummarizeRSetStatsPeriod > 0) && 2943 (G1SummarizeRSetStatsPeriod > 0) &&
2944 (total_collections() % G1SummarizeRSetStatsPeriod == 0)) { 2944 (total_collections() % G1SummarizeRSetStatsPeriod == 0)) {
2945 g1_rem_set()->print_summary_info(); 2945 g1_rem_set()->print_summary_info();
2946 } 2946 }
2947 } 2947 }
2948
2949 size_t G1CollectedHeap::desired_plab_sz(GCAllocPurpose purpose)
2950 {
2951 size_t gclab_word_size;
2952 switch (purpose) {
2953 case GCAllocForSurvived:
2954 gclab_word_size = YoungPLABSize;
2955 break;
2956 case GCAllocForTenured:
2957 gclab_word_size = OldPLABSize;
2958 break;
2959 default:
2960 assert(false, "unknown GCAllocPurpose");
2961 gclab_word_size = OldPLABSize;
2962 break;
2963 }
2964 return gclab_word_size;
2965 }
2966
2948 2967
2949 void G1CollectedHeap::set_gc_alloc_region(int purpose, HeapRegion* r) { 2968 void G1CollectedHeap::set_gc_alloc_region(int purpose, HeapRegion* r) {
2950 assert(purpose >= 0 && purpose < GCAllocPurposeCount, "invalid purpose"); 2969 assert(purpose >= 0 && purpose < GCAllocPurposeCount, "invalid purpose");
2951 // make sure we don't call set_gc_alloc_region() multiple times on 2970 // make sure we don't call set_gc_alloc_region() multiple times on
2952 // the same region 2971 // the same region
3678 _dcq(&g1h->dirty_card_queue_set()), 3697 _dcq(&g1h->dirty_card_queue_set()),
3679 _ct_bs((CardTableModRefBS*)_g1h->barrier_set()), 3698 _ct_bs((CardTableModRefBS*)_g1h->barrier_set()),
3680 _g1_rem(g1h->g1_rem_set()), 3699 _g1_rem(g1h->g1_rem_set()),
3681 _hash_seed(17), _queue_num(queue_num), 3700 _hash_seed(17), _queue_num(queue_num),
3682 _term_attempts(0), 3701 _term_attempts(0),
3702 _surviving_alloc_buffer(g1h->desired_plab_sz(GCAllocForSurvived)),
3703 _tenured_alloc_buffer(g1h->desired_plab_sz(GCAllocForTenured)),
3683 _age_table(false), 3704 _age_table(false),
3684 #if G1_DETAILED_STATS 3705 #if G1_DETAILED_STATS
3685 _pushes(0), _pops(0), _steals(0), 3706 _pushes(0), _pops(0), _steals(0),
3686 _steal_attempts(0), _overflow_pushes(0), 3707 _steal_attempts(0), _overflow_pushes(0),
3687 #endif 3708 #endif
3703 "Not enough space for young surv histo."); 3724 "Not enough space for young surv histo.");
3704 _surviving_young_words = _surviving_young_words_base + PADDING_ELEM_NUM; 3725 _surviving_young_words = _surviving_young_words_base + PADDING_ELEM_NUM;
3705 memset(_surviving_young_words, 0, real_length * sizeof(size_t)); 3726 memset(_surviving_young_words, 0, real_length * sizeof(size_t));
3706 3727
3707 _overflowed_refs = new OverflowQueue(10); 3728 _overflowed_refs = new OverflowQueue(10);
3729
3730 _alloc_buffers[GCAllocForSurvived] = &_surviving_alloc_buffer;
3731 _alloc_buffers[GCAllocForTenured] = &_tenured_alloc_buffer;
3708 3732
3709 _start = os::elapsedTime(); 3733 _start = os::elapsedTime();
3710 } 3734 }
3711 3735
3712 G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) : 3736 G1ParClosureSuper::G1ParClosureSuper(G1CollectedHeap* g1, G1ParScanThreadState* par_scan_state) :