Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp @ 20212:d7e2d5f2846b
8027553: Change the in_cset_fast_test functionality to use the G1BiasedArray abstraction
Summary: Instead of using a manually managed array for the in_cset_fast_test array, use a G1BiasedArray instance.
Reviewed-by: brutisso, mgerdin
author | tschatzl |
---|---|
date | Mon, 21 Jul 2014 09:40:19 +0200 |
parents | c49dcaf78a65 |
children | 983092f35ff7 |
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--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Wed Apr 16 10:14:50 2014 +0200 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp Mon Jul 21 09:40:19 2014 +0200 @@ -1511,9 +1511,6 @@ assert(g1_policy()->collection_set() == NULL, "must be"); g1_policy()->start_incremental_cset_building(); - // Clear the _cset_fast_test bitmap in anticipation of adding - // regions to the incremental collection set for the next - // evacuation pause. clear_cset_fast_test(); init_mutator_alloc_region(); @@ -1933,8 +1930,7 @@ _old_marking_cycles_started(0), _old_marking_cycles_completed(0), _concurrent_cycle_started(false), - _in_cset_fast_test(NULL), - _in_cset_fast_test_base(NULL), + _in_cset_fast_test(), _dirty_cards_region_list(NULL), _worker_cset_start_region(NULL), _worker_cset_start_region_time_stamp(NULL), @@ -2076,20 +2072,7 @@ _g1h = this; - _in_cset_fast_test_length = max_regions(); - _in_cset_fast_test_base = - NEW_C_HEAP_ARRAY(bool, (size_t) _in_cset_fast_test_length, mtGC); - - // We're biasing _in_cset_fast_test to avoid subtracting the - // beginning of the heap every time we want to index; basically - // it's the same with what we do with the card table. - _in_cset_fast_test = _in_cset_fast_test_base - - ((uintx) _g1_reserved.start() >> HeapRegion::LogOfHRGrainBytes); - - // Clear the _cset_fast_test bitmap in anticipation of adding - // regions to the incremental collection set for the first - // evacuation pause. - clear_cset_fast_test(); + _in_cset_fast_test.initialize(_g1_reserved.start(), _g1_reserved.end(), HeapRegion::GrainBytes); // Create the ConcurrentMark data structure and thread. // (Must do this late, so that "max_regions" is defined.) @@ -4145,9 +4128,6 @@ // Start a new incremental collection set for the next pause. g1_policy()->start_incremental_cset_building(); - // Clear the _cset_fast_test bitmap in anticipation of adding - // regions to the incremental collection set for the next - // evacuation pause. clear_cset_fast_test(); _young_list->reset_sampled_info();