Wheeler, Kyle Bruce, le Tue 16 Aug 2011 16:52:54 +0200, a écrit : > On Aug 15, 2011, at 4:14 PM, Samuel Thibault wrote: > > Wheeler, Kyle Bruce, le Tue 16 Aug 2011 00:11:41 +0200, a écrit : > >> I'm having the problem that my Magny Cours system is being identified (via > >> hwloc-ls) as sharing an L3 cache between the NUMAnodes on a single socket. > >> I know that this is not actually true, and I don't know how to begin > >> debugging hwloc to see why it thinks that about the L3 cache. Thoughts? > > > > I guess you have updated to the latest Linux kernel version? > > Unfortunately, this is not on a machine I have root access to. But, for what > it's worth, here's the uname -a output: > Linux mzlogin01e 2.6.27.45-0.1-default #1 SMP 2010-02-22 16:49:47 +0100 > x86_64 x86_64 x86_64 GNU/Linux
This is quite old indeed, I'm not surprised that there are topology detection issues on it. And our x86 backend will probably not help since it's not NUMA-aware. Samuel
