Jeff Squyres, le Thu 13 Sep 2012 00:25:24 +0200, a écrit : > 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?
No, we have it, but not all solaris systems have it. Samuel
