RFR: 8210100: ParallelGC should use parallel WeakProcessor

Sat Mar 6 21:03:06 UTC 2021

On Fri, 5 Mar 2021 19:50:08 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Benchmarking using specjvm2008 shows "Weak Processing" takes <1ms. There are >800 occurrences where "Weak Processing" takes >0.4ms, while only 5 occurrences after the patch, as shown in gc logs.
> 
> PS: I changed the log level from Debug to Info for "Weak Processing" for benchmarking in order not limit the logs.

Marked as reviewed by kbarrett (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2851