Hello!! Would you mind posting here the steps to slurm cross-compile to xeon phi or any URL? In the linkedin discussion isn't describe the procedure
Thanks in advance El 05/03/2014, a las 11:57, Paddy Doyle <[email protected]> escribió: > > Hi all, > > Just wondering if there has been any developments regarding Phi cards? > > We have just installed a small 10-node cluster with two MICs per node, and are > wondering how best to use the cards. > > I intend to try the cross-compilation to install slurm on the cards, and then > have a separate queue, similar to that described in the discussion on linkedin > below. > > But I think the users would also like to be able to run offload as well, so > that's a bit of an issue. > > I have an additional question: the users have asked if a portion of the host > memory can be ``reserved'' for comms with the MICs, with the rest available > for > whoever runs on the host. Is that possible?? > > Thanks, > Paddy > > > On Tue, Feb 18, 2014 at 01:39:44AM -0800, Olli-Pekka Lehto wrote: > >> >> Getting the daemon running on the Phi is certainly possible and we tried >> this a year or >> so ago. The real challenge lies in being able to run offload, host-native, >> symmetric and >> Phi-native mode programs nicely on the same set of nodes. It is something >> that would >> really be needed in order to maximize utilization of a Phi-cluster. >> >> Furthermore, having a simple way to maintain affinity of Phi cards with >> their associated >> hosts when doing symmetric runs would be very useful. It's sort of possible >> with the topology >> plugin but a bit clunky. >> >> Also it would be nice to have a more lightweight daemon in order to conserve >> the precious >> resources of the Phi as was presented in the Slurm User Group presentation. >> I expect that >> this would be a more significant undertaking, however(?) >> >> I'm wondering if people have been working on these kind of things? >> >> Olli-Pekka >> >> On Feb 18, 2014, at 1:05 PM, Ralph Castain <[email protected]> wrote: >> >>> >>> I know others have direct-launched processes onto the Phi before, both with >>> Slurm and just using rsh/ssh. The OpenMPI user mailing list archive talks >>> about the ssh method (search for "phi" and you'll see the chatter) >>> >>> http://www.open-mpi.org/community/lists/users/ >>> >>> and the folks at Bright talk about how they did it with Slurm here: >>> >>> https://www.linkedin.com/groups/Yes-we-run-SLURM-inside-4501392.S.5792769036550955008 >>> >>> Ralph >>> >>> On Feb 17, 2014, at 5:46 PM, Christopher Samuel <[email protected]> >>> wrote: >>> >>>> >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA1 >>>> >>>> Hi all, >>>> >>>> At the Slurm User Group in Oakland last year it was mentioned that >>>> there was intended to be support for a lightweight Slurm daemon on >>>> Xeon Phi (MIC) cards. >>>> >>>> I had a quick look in the git master last night but couldn't spot >>>> anything related, is this still the intention? >>>> >>>> Olli-Pekka Lehto from CSC is running a Xeon Phi workshop at VLSCI at >>>> the moment and it's of interest to a number of us. >>>> >>>> We're going to run a hack day on Wednesday and we'll see if we can >>>> build an LDAP enabled Xeon Phi stack, if we can then we we'll see if >>>> we can get standard Slurm going too. Nothing like having lofty goals! >>>> >>>> All the best! >>>> Chris >>>> - -- >>>> Christopher Samuel Senior Systems Administrator >>>> VLSCI - Victorian Life Sciences Computation Initiative >>>> Email: [email protected] Phone: +61 (0)3 903 55545 >>>> http://www.vlsci.org.au/ http://twitter.com/vlsci >>>> >>>> -----BEGIN PGP SIGNATURE----- >>>> Version: GnuPG v1.4.14 (GNU/Linux) >>>> Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ >>>> >>>> iEYEARECAAYFAlMCuvIACgkQO2KABBYQAh+pwgCcCLPvoUJamArfmpxY5igcJm3I >>>> 0p0AnjF51qUgZfoZtIsKTDLCK+pJe+bf >>>> =7HO3 >>>> -----END PGP SIGNATURE----- >> > > -- > Paddy Doyle > Trinity Centre for High Performance Computing, > Lloyd Building, Trinity College Dublin, Dublin 2, Ireland. > Phone: +353-1-896-3725 > http://www.tchpc.tcd.ie/
