Open MPI logo

Hardware Locality Users' Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Hardware Locality Users mailing list

Subject: Re: [hwloc-users] receive 0x0 from hwloc_cuda_get_device_cpuset
From: Albert Solernou (albert.solernou_at_[hidden])
Date: 2012-02-21 09:42:57

I have several questions in order to fix this issue from the machine side.

1) I realised that on this machine neither libcpuset nor cpuset-utils
are installed. Could this be related to the problem?

2) Could you specify any BIOS parameter we could tune up

3) Could this issue be related to the linux kernel?


On 16/02/12 14:29, Brice Goglin wrote:
> Le 16/02/2012 15:26, Albert Solernou a écrit :
>> Is there anything easy that the administrators of the cluster could
>> do? How could I persuade them that this is an easy task to do?
> They could upgrade the BIOS. But your machine is old and people didn't
> care much about I/O affinity in Intel servers at this time, so I don't
> expect a newer BIOS to improve things much.
> My patch should likely be applied to hwloc anyway, this is an easy
> workaround.
> Brice