RFR: 8252105: parallel heap inspection for ZCollectedHeap
Lin Zang
lzang at openjdk.java.net
Thu Sep 10 02:37:23 UTC 2020
- enable parallel heap inspection for ZCollectedHeap
- preliminary evaluation:
Time of jmap histo on 8GB heap with ~5GB objects
* before: 7.103s
* after : 2.734s (with 4 parallel threads)
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Commit messages:
- 8252105: parallel heap inspection for ZCollectedHeap
Changes: https://git.openjdk.java.net/jdk/pull/103/files
Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=103&range=00
Issue: https://bugs.openjdk.java.net/browse/JDK-8252105
Stats: 380 lines in 6 files changed: 380 ins; 0 del; 0 mod
Patch: https://git.openjdk.java.net/jdk/pull/103.diff
Fetch: git fetch https://git.openjdk.java.net/jdk pull/103/head:pull/103
PR: https://git.openjdk.java.net/jdk/pull/103
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