Ancient, yes, but [unfortunately?] still highly relevant as far as commercial linux clusters go...
-----Original Message----- From: hwloc-users-boun...@open-mpi.org [mailto:hwloc-users-boun...@open-mpi.org] On Behalf Of Jeff Squyres Sent: Thursday, January 28, 2010 11:42 AM To: Hardware locality user list Subject: Re: [hwloc-users] No caches or hiearchy on RHEL 4.7 or 4.8 I know that the RHEL 4 kernels are 2.6.9 -- they're really ancient. Most of the topology stuff didn't come into the kernel until 2.6.15 or so. On Jan 28, 2010, at 1:40 PM, Brice Goglin wrote: > Dan Eaton wrote: >> Yes, the cpuid version works marvelously. The only thing it misses is >> memory/NUMA node (is it using libnuma?). >> > > libnuma reads numa info exactly like hwloc does: from sysfs, i.e. it > depends of the kernel. I don't know if we could try to read SRAT tables > from userspace when the kernel exports wrong NUMA info... > > Brice > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users -- Jeff Squyres jsquy...@cisco.com _______________________________________________ hwloc-users mailing list hwloc-us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
