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Subject: Re: [hwloc-users] Thread binding problem
From: Gabriele Fatigati (g.fatigati_at_[hidden])
Date: 2012-09-07 03:56:19


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

Yes.

>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.

Ok!

2012/9/7 Brice Goglin <Brice.Goglin_at_[hidden]>

> 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
>
> _______________________________________________
> hwloc-users mailing list
> hwloc-users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
>

-- 
Ing. Gabriele Fatigati
HPC specialist
SuperComputing Applications and Innovation Department
Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
www.cineca.it                    Tel:   +39 051 6171722
g.fatigati [AT] cineca.it