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8048268: G1 Code Root Migration performs poorly

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Replace G1CodeRootSet with a Hashtable based implementation, merge Code Root Migration phase into Code Root Scanning

Reviewed-by: jmasa, brutisso, tschatzl
This commit is contained in:
Mikael Gerdin 2014-08-29 13:12:21 +02:00
parent 6fc8764c65
commit 10379e7e82
17 changed files with 437 additions and 677 deletions
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8
hotspot/src/share/vm/gc_implementation/g1/g1RemSet.cpp
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@ -110,7 +110,7 @@ class ScanRSClosure : public HeapRegionClosure {
G1CollectedHeap* _g1h;
OopsInHeapRegionClosure* _oc;
CodeBlobToOopClosure* _code_root_cl;
CodeBlobClosure* _code_root_cl;
G1BlockOffsetSharedArray* _bot_shared;
G1SATBCardTableModRefBS *_ct_bs;
@ -122,7 +122,7 @@ class ScanRSClosure : public HeapRegionClosure {
public:
ScanRSClosure(OopsInHeapRegionClosure* oc,
CodeBlobToOopClosure* code_root_cl,
CodeBlobClosure* code_root_cl,
uint worker_i) :
_oc(oc),
_code_root_cl(code_root_cl),
@ -242,7 +242,7 @@ public:
};
void G1RemSet::scanRS(OopsInHeapRegionClosure* oc,
CodeBlobToOopClosure* code_root_cl,
CodeBlobClosure* code_root_cl,
uint worker_i) {
double rs_time_start = os::elapsedTime();
HeapRegion *startRegion = _g1->start_cset_region_for_worker(worker_i);
@ -321,7 +321,7 @@ void G1RemSet::cleanupHRRS() {
}
void G1RemSet::oops_into_collection_set_do(OopsInHeapRegionClosure* oc,
CodeBlobToOopClosure* code_root_cl,
CodeBlobClosure* code_root_cl,
uint worker_i) {
#if CARD_REPEAT_HISTO
ct_freq_update_histo_and_reset();