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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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4
hotspot/src/share/vm/gc_implementation/g1/g1RemSet.hpp
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@ -96,7 +96,7 @@ public:
// the "i" passed to the calling thread's work(i) function.
// In the sequential case this param will be ignored.
void oops_into_collection_set_do(OopsInHeapRegionClosure* blk,
CodeBlobToOopClosure* code_root_cl,
CodeBlobClosure* code_root_cl,
uint worker_i);
// Prepare for and cleanup after an oops_into_collection_set_do
@ -108,7 +108,7 @@ public:
void cleanup_after_oops_into_collection_set_do();
void scanRS(OopsInHeapRegionClosure* oc,
CodeBlobToOopClosure* code_root_cl,
CodeBlobClosure* code_root_cl,
uint worker_i);
void updateRS(DirtyCardQueue* into_cset_dcq, uint worker_i);