On Sep 12, 2012, at 10:28 AM, Samuel Thibault wrote: >> He seems to get an hwloc error any time he tries to bind to more than 1 PU. >> Is that expected on Solaris? > > Without lgrp support, unfortunately yes: the processor_bind solaris interface > only permits to bind to one processor. > > With lgrp support, on should be able to bind oneself to sets of whole > NUMA nodes. I don't know any interface which would provide a granularity > between one processor and one NUMA node.
Ah. So -- for Open MPI on Solaris using hwloc, all we can do is bind to 1 PU at a time. I suppose we should release-note that... (Sorry Siegmar! :-( ) And just so I understand -- we don't have lgrp support in hwloc, mainly because no one had the cycles/interest to implement it. Is that correct? -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
