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Subject: Re: [hwloc-users] Thread binding problem
From: Brice Goglin (Brice.Goglin_at_[hidden])
Date: 2012-09-07 03:49:42


Le 07/09/2012 09:43, Gabriele Fatigati a écrit :
> Hi,
>
> Good, you found the kernel limit that exceed.
>
> proc/memfinfo reports as MemFree 47834588 kB
>
> numactl -H:
>
> available: 2 nodes (0-1)
> node 0 size: 24194 MB
> node 0 free: 22702 MB
> node 1 size: 24240 MB
> node 1 free: 23997 MB
> node distances:
> node 0 1
> 0: 10 21
> 1: 21 10

did you gather this info during the sleep(10) after the failure before
the program exits ?

> Another question. I'm trying the same code in another system, but
> hwloc gives: "Function not implemented".
>
> Maybe because there isn't installed numa-devel package? Numa non devel
> package il alreay installed.

You likely need numa devel if you're configuring/building hwloc. The
summary at the end of the hwloc configure will tell you if memory
binding is supported or not, it mostly depends on numa devel.

Brice