[Webkit-unassigned] [Bug 142041] [EFL][GTK] REGRESSION(180602): It made fast/workers test timeout

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Feb 26 09:20:53 PST 2015


--- Comment #2 from Mark Lam <mark.lam at apple.com> ---
One of the side effects of r180602 is that it results in more threads being scanned by GC.  Specifically, that means a VM on the main thread will also scan the stacks of all worker threads because they have had a VM run on them before.  This means they are doing more work, though we had anticipated that it shouldn’t be that costly.

I’ll prepare a test patch to see if eliminating / reducing this unnecessary work makes a difference.

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