Looks good - as long as the execd & shepherd are the same version, it's fine.
And you can experiment with processor job binding and see if it improves performance - but don't waste time on it if you have a recent enough kernel that understands NUMA. Rayson On Tue, May 29, 2012 at 11:25 AM, Robert Hutton <[email protected]> wrote: > On 29/05/12 16:11, Rayson Ho wrote: >> BTW, since you mentioned that you are using our hwloc drop in >> replacement for SGE 6.2u5, I just want to make sure that you are using >> the execd & shepherd pair. > > I downloaded > http://gridscheduler.sourceforge.net/projects/hwloc/sge-hwloc-ssl.tar.gz and > replaced: > > /usr/lib/gridengine/sge_execd > /usr/lib/gridengine/sge_shepherd > /usr/lib/gridengine/loadcheck > > with the files from the archive. Those are the debianised locations for > those binaries. We have dual Magny-Cours based > Opteron 6174s on each node so with the upgraded binaries loadcheck output > seems to be aware of the NUMA layout of those > cores, where it had no idea before: > > $ /usr/lib/gridengine/loadcheck > arch lx26-amd64 > num_proc 24 > m_socket 2 > m_core 24 > m_topology SCCCCCCCCCCCCSCCCCCCCCCCCC > load_short 1.55 > load_medium 2.43 > load_long 4.00 > mem_free 38429.750000M > swap_free 49088.675781M > virtual_free 87518.425781M > mem_total 48270.757812M > swap_total 49143.996094M > virtual_total 97414.753906M > mem_used 9841.007812M > swap_used 55.320312M > virtual_used 9896.328125M > cpu 3.7% > > I'm not sure whether that actually translates into better performance or not. > Most of our workloads are genomic > analyses which means slices of large chunks of data, each being analysed by > separate processes. > > Cheers, > > Rob > > -- > Robert Hutton > Senior Systems and Database Administrator > Centre for Genomics and Global Health <http://cggh.org> > The Wellcome Trust Centre for Human Genetics > Roosevelt Drive > Oxford > OX3 7BN > United Kingdom > Tel: +44 (0)1865 287721 _______________________________________________ users mailing list [email protected] https://gridengine.org/mailman/listinfo/users
