[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 #7 from Eric Seidel <eric at webkit.org>  2012-01-31 10:53:15 PST ---
I'm happy to accept alternate proposals.  Ideally in python form. :)  I'm not at all wedded to the current heuristic.

The very first attempt at this (bug 73847) used physical memory (sysctl -n hw.memsize), that was deemed not good-enough, and changed to free memory (vm_stat "Pages free") in bug 74021.  That was again decided to be insufficient and changed to use free + inactive (vm_stat "Pages free" + "Pages inactive") in bug 74650.

Again, totally open to changing the algorithm.  But we'll need a concrete suggestion.  See bug 73847 for why we moved away from sysctl -n hw.memsize to vm_stat "Pages free".

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