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Subject: Re: [hwloc-users] hwloc set membind function
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2011-09-25 15:02:25


Le 25/09/2011 20:57, Gabriele Fatigati a écrit :
> after done this, memory is allocated not in a local node of thread
> that does set_membind and malloc, but in node of thread that touches
> it. And I don't understand this behaviour :(

Memory is allocated when first-touched. If there's no area-specific
policy, it's allocated according to the policy of the thread that
touches, not according to the policy of the one that did malloc. If you
want to follow the malloc'er thread, you have to touch right after malloc.

Brice