re the D1 cache. I guess that get_bgq_core returns this information.
>
> Is there a way to guarantee that this association doesn't change at run
> time? I guess I could just check periodically...
>
> -erik
>
>
>
> On Tue, Jan 8, 2013 at 5:33 PM, Jeff Hammond <jhamm..
ist
> hwloc-us...@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
>
>
>
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I can arrange both BGQ Vesta access and the ability to get Linux-equipped BGQ
nodes, ie basically IONs.
I'll send you details offline.
Jeff
Sent from my iPhone
> On Mar 25, 2014, at 2:55 AM, "Biddiscombe, John A." wrote:
>
> Brice,
>
> Correct : The IO nodes are running
I am inclined to think the issue us that ion Linux uses only 16 cores. When
hwloc does n-- for CNK to skip the 17th (OS) core, it gets the wrong answer for
Linux.
Just check for Linux support and use /proc/cpuinfo and don't adjust manually.
I'm not sure hwloc on BGQ ion ion needs and special
;javascript:;>
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>
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PATH, but $LIBRARY_PATH. It'd
> ld.so (at runtime) which looks at $LD_LIBRARY_PATH.
>
> Samuel
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You need to cross-compile binaries for Knights Corner (KNC) aka Xeon Phi 71xx
if you're on a Xeon host. KNC is x86 but the binary format differs, as your
analysis indicates.
You can either ssh to card and build native, build on host with k1om GCC tool
chain, or build on host with Intel
eneck in any application? Are there codes bindings memory
frequently?
Because most things inside the kernel are limited by single-threaded
performance, it is reasonable for them to be slower than on a Xeon
processor, but I've not seen slowdowns th
you may try setting HWLOC_COMPONENTS=no_os,stop
> in the environment so that hwloc behaves as if the operating system had no
> topology support.
>
> Brice
>
>
>
> Le 14/09/2018 à 06:11, Jeff Hammond a écrit :
>
> All of the job failures have this warning so I am inclined to thin
o run lstopo on that node?
>
> By the way, you shouldn't use hwloc 2.0.0rc2, at least because it's old,
> it has a broken ABI, and it's a RC :)
>
> Brice
>
>
>
> Le 13/09/2018 à 16:12, Jeff Hammond a écrit :
>
> I am running ARMCI-MPI over MPICH in a Travis CI Linux
mond/armci-mpi/jobs/425342479 has all of the
details.
Jeff
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