[Webkit-unassigned] [Bug 180338] Speedometer 2 grows the heap linearly and leaves ~200MB of unreclaimed memory when it finishes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180338

--- Comment #4 from Ryosuke Niwa <rniwa at webkit.org> ---
I've also measured this in Firefox. Their memory usages starts off around 500MB and goes up to ~580MB. In the second run, however, it can go up to ~680MB despite of the fact their usage temporarily dropped to ~510MB at the beginning of the test. The leak memory usage in the third run is stays around ~720MB but then drops to 520MB if I wait ~5s after the test had finished running. So I suspect this isn't the same leak we're seeing but more about their memory getting fragmented over time, or that their GC/malloc holding onto more pages in later runs.

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