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src/share/vm/gc_implementation/g1/g1AllocRegion.cpp

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rev 7471 : 8060025: Object copy time regressions after JDK-8031323 and JDK-8057536
Summary: Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.
Reviewed-by:
Contributed-by: Tony Printezis <tprintezis@twitter.com>, Thomas Schatzl <thomas.schatzl@oracle.com>

*** 252,280 **** } HeapRegion* SurvivorGCAllocRegion::allocate_new_region(size_t word_size, bool force) { assert(!force, "not supported for GC alloc regions"); ! return _g1h->new_gc_alloc_region(word_size, count(), GCAllocForSurvived); } void SurvivorGCAllocRegion::retire_region(HeapRegion* alloc_region, size_t allocated_bytes) { ! _g1h->retire_gc_alloc_region(alloc_region, allocated_bytes, ! GCAllocForSurvived); } HeapRegion* OldGCAllocRegion::allocate_new_region(size_t word_size, bool force) { assert(!force, "not supported for GC alloc regions"); ! return _g1h->new_gc_alloc_region(word_size, count(), GCAllocForTenured); } void OldGCAllocRegion::retire_region(HeapRegion* alloc_region, size_t allocated_bytes) { ! _g1h->retire_gc_alloc_region(alloc_region, allocated_bytes, ! GCAllocForTenured); } HeapRegion* OldGCAllocRegion::release() { HeapRegion* cur = get(); if (cur != NULL) { --- 252,278 ---- } HeapRegion* SurvivorGCAllocRegion::allocate_new_region(size_t word_size, bool force) { assert(!force, "not supported for GC alloc regions"); ! return _g1h->new_gc_alloc_region(word_size, count(), InCSetState::Young); } void SurvivorGCAllocRegion::retire_region(HeapRegion* alloc_region, size_t allocated_bytes) { ! _g1h->retire_gc_alloc_region(alloc_region, allocated_bytes, InCSetState::Young); } HeapRegion* OldGCAllocRegion::allocate_new_region(size_t word_size, bool force) { assert(!force, "not supported for GC alloc regions"); ! return _g1h->new_gc_alloc_region(word_size, count(), InCSetState::Old); } void OldGCAllocRegion::retire_region(HeapRegion* alloc_region, size_t allocated_bytes) { ! _g1h->retire_gc_alloc_region(alloc_region, allocated_bytes, InCSetState::Old); } HeapRegion* OldGCAllocRegion::release() { HeapRegion* cur = get(); if (cur != NULL) {
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