On Thu, 10 Sep 2020 09:33:28 GMT, Per Lidén <pli...@openjdk.org> wrote:
>> - 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) > > Just looked at this briefly. My initial comment is that we need to avoid all > the code duplicated from ZHeapIterator and > isolate all this a bit better. Perhaps folding everything into one iterator, > that can be used by both object_iterate() > and parallel_object_iterator(). I'll take a closer look, and perhaps try some > alternatives, when I get a chance. Hi @pliden, Thanks for your comments, I will try to merge ZHeapIterator and ZHeapParIterator and update the pr then. -Lin ------------- PR: https://git.openjdk.java.net/jdk/pull/103
