chapel-lang/chapel — pull request #668 by gbtitus (2014-10-21 20:42:55+00:00)
Title: Allow for /proc/cpuinfo files lacking "cpu cores" and/or "siblings" entries.

Borrow code from localeModels/gbt/maxTaskPar to handle the case where
/proc/cpuinfo doesn't have the entries we expect for hyperthreads.