8209841: [REDO] Refactor G1ParallelCleaningTask into shared
Zhengyu Gu
zgu at redhat.com
Wed Aug 22 16:20:44 UTC 2018
This is redo of JDK-8206467.
- Fixed merging issue in original patch.
- Based on Thomas comments, moved time tracking of individual cleaning task.
The difference from current G1 implementation:
- G1StringDedupUnlinkOrOopsDoClosure is passed to ParallelCleaningTask
as a parameter.
- Moved initialization of _initial_string_table_size in
StringCleaningTask to the initializer list (as Kim suggested)
- Passes NULL StringDedupUnlinkOrOopsDoClosure to indicate string
duduplication is disabled, and removed process_string_dedup parameter
in StringCleaningTask constructor.
Bug: https://bugs.openjdk.java.net/browse/JDK-8209841
Webrev: http://cr.openjdk.java.net/~zgu/8209841/webrev.00/
Test:
hotspot_gc Linux x64 (fastdebug and release)
Thanks,
-Zhengyu
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