Use the "next" field to iterate over fine remembered instead of using the hash table

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    • b12

        JDK-7182260 linked together all PerRegionTable data structure (representing parts of the fine remembered set) of a fine remembered set for a particular region.

        The remembered set iterator has not been adapted to this change, still using the hash table and collision list to iterate over the fine remembered set.

        Change this, as iterating over the direct links is faster than going through the hash table: also micro benchmarks (doing nothing per card) show good improvements in overall iteration time.

              Assignee:
              Thomas Schatzl
              Reporter:
              Thomas Schatzl
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