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On Wednesday, November 10, 2010 02:28:46 pm Brice Goglin wrote:
> Le 10/11/2010 14:09, Jirka Hladky a écrit :
> > Hi Brice,
> > I have found couple of issues with 1.1rc2
> > 1) man hwloc-bind
> > Following example does not work:
> > $ hwloc-bind --cpubind node:1 --membind:0 echo hello
> > Unrecognized option: --membind:0
> Obvious typo in the manpage (should be --membind node:0), I am fixing this.
> > 2) hwloc-bind --get --membind is not working for me (RHEL 6.0)
> > $ hwloc-bind --membind node:1 --mempolicy interleave -- hwloc-bind --get
> > -- membind
> > hwloc_get_membind failed (errno 22 Invalid argument)
> You get the same error when running only "hwloc-bind --get --membind",
$ hwloc-bind --get --membind
hwloc_get_membind failed (errno 22 Invalid argument)
> I am not sure about this one. Do you have NUMA support in your kernel?
> Is your machine NUMA? Can you send the gather-topology tarball ? (if we
> don't have it already :))
Yes, it's a NUMA box with NUMA support in kernel.
numactl --membind=0 --physcpubind=1 stream/stream
hwloc-bind --cpubind node:1 --membind node:0 stream/stream
I have attached gather-topology tarball.
Thanks for looking into it! Let me know if you need more information.
> > 3)
> > $ hwloc-calc --single socket:0
> > Unrecognized option: --single
> Oops, I removed it by mistake, fixing this too.