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Subject: Re: [hwloc-users] lstopo and GPus
From: Gabriele Fatigati (g.fatigati_at_[hidden])
Date: 2012-08-29 10:55:50


Just another things:

The id showed in the GPU box from lstopo, is the same device_id CUDA
numeration used in some function like setDevice() for example?

More better:

gpu 1 from lstopo = ? gpu 1 for CUDA runtime?

Thanks.

2012/8/29 Gabriele Fatigati <g.fatigati_at_[hidden]>

> Good!
>
> Now it works well.
>
> Many tanks!
>
> 2012/8/28 Samuel Thibault <samuel.thibault_at_[hidden]>
>
>> Gabriele Fatigati, le Tue 28 Aug 2012 18:10:41 +0200, a écrit :
>> > How can cuda branch help me? lstopo output of that branch is the same
>> of the
>> > trunk.
>>
>> You need to make sure that hwloc found the cuda runtime during
>> ./configure. You will then get new "cuda" devices.
>>
>> > Another question: the GPU IDs are the same (10de: 06d2). How is it
>> possible?
>>
>> Because the ID identifies the product type, not the physical device.
>>
>> Samuel
>> _______________________________________________
>> 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
>

-- 
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