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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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hotspot/src/share/vm/gc_implementation/g1/g1RemSetSummary.cpp
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@ -253,6 +253,7 @@ public:
size_t occupied_cards = hrrs->occupied();
size_t code_root_mem_sz = hrrs->strong_code_roots_mem_size();
if (code_root_mem_sz > max_code_root_mem_sz()) {
_max_code_root_mem_sz = code_root_mem_sz;
_max_code_root_mem_sz_region = r;
}
size_t code_root_elems = hrrs->strong_code_roots_list_length();