[Webkit-unassigned] [Bug 77419] run-webkit-tests: This machine could support 16 child processes, but only has enough memory for 15

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77419





--- Comment #4 from Antti Koivisto <koivisto at iki.fi>  2012-01-31 05:17:58 PST ---
No, the machine is not under memory pressure.

You are likely to get better results by addressing the problem directly (only allow n threads per GB of physical memory in the machine). Any attempts to base heuristics on free memory figures is almost certain to go wrong.

Explaining why this is the case would require lengthy discussions. It suffices to say that the OS memory subsystem is complex.

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