Status: Accepted
Owner: [email protected]
Labels: Type-Bug Priority-Critical NewGC
New issue 1660 by [email protected]: Get incremental GC performance
close enough to old GC performance
http://code.google.com/p/v8/issues/detail?id=1660
At the moment, throughput performance on the new GC branch is not close
enough to throughput performance on the old GC. In particular, Kraken is
not good enough and there are some SunSpider tests that are too slow.
One of the issues is that we flush ICs on mark-sweep collections. If there
is a mark-sweep just before we do a crankshaft information then the
optimization information has been swept away by the GC. We sometimes do a
mark-sweep in the new GC where the old GC would have done a scavenge which
does not delete ICs.
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