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On 21/03/12 08:07, Brice Goglin wrote:
> New patch attached, it doesn't add port numbers for non-IB
> devices.
Extract from lstopo on SGI XE270 box with Mellanox dual port IB card:
PCIBridge
PCI 15b3:673c
Net L#2 "ib1"
Net
From the same machine that Dan is using:
{hargrove@cetuslac1 ~}$ mpicc -v
mpicc for MPICH2 version 1.4.1p1
[...hairy details omitted...]
gcc version 4.4.6 (BGQ-dev-120305)
-Paul
On 3/22/2012 7:43 PM, Christopher Samuel wrote:
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On 22/03/12 20:58,
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On 22/03/12 20:58, Brice Goglin wrote:
> So there's something strange going on when MPI is added. Which MPI
> are using? Is this a derivative of MPICH that embeds hwloc? (MPICH
> >= 1.2.1 if I remember correctly)
Not sure about BG/Q, but BG/P uses
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On 22/03/12 01:08, Daniel Ibanez wrote:
> Attached is the stderr and stdout from lstopo compiled as you
> said.
Interesting, so it's not correctly detecting the topology as BG/Q is
16 compute cores, each with 4 hardware threads. Instead it's
Creating nightly hwloc snapshot SVN tarball was a success.
Snapshot: hwloc 1.4.2a1r4420
Start time: Thu Mar 22 21:04:20 EDT 2012
End time: Thu Mar 22 21:07:07 EDT 2012
Your friendly daemon,
Cyrador
Creating nightly hwloc snapshot SVN tarball was a success.
Snapshot: hwloc 1.5a1r4418
Start time: Thu Mar 22 21:01:01 EDT 2012
End time: Thu Mar 22 21:04:20 EDT 2012
Your friendly daemon,
Cyrador
Le 22/03/2012 23:33, Daniel Ibanez a écrit :
> I've run this test before (didnt keep the results but can run it again).
> I got debug output and compared it with the output from a hwloc test
> executable
> and I noticed that my program did not show any PU objects were discovered.
> In my program
I've run this test before (didnt keep the results but can run it again).
I got debug output and compared it with the output from a hwloc test
executable
and I noticed that my program did not show any PU objects were discovered.
In my program the first discovered topology is just a Machine object,
Le 22/03/2012 23:07, Daniel Ibanez a écrit :
>
> I suspected this might be the reason, so I called "nm"
> with the static versions of the libraries their compiler wrappers
> link against and I could not find the term "hwloc" in the output.
> Is this a valid test?
If your hwloc is still compiled
Daniel Ibanez, le Thu 22 Mar 2012 23:07:01 +0100, a écrit :
> I suspected this might be the reason, so I called "nm"
> with the static versions of the libraries their compiler wrappers
> link against and I could not find the term "hwloc" in the output.
> Is this a valid test?
Ah, right, embedded
Brice Goglin, le Thu 22 Mar 2012 10:58:46 +0100, a écrit :
> I don't see anything bad in your outputs.
> So there's something strange going on when MPI is added. Which MPI are using?
> Is this a derivative of MPICH that embeds hwloc? (MPICH >= 1.2.1 if I remember
> correctly)
There might be
I don't see anything bad in your outputs.
So there's something strange going on when MPI is added. Which MPI are
using? Is this a derivative of MPICH that embeds hwloc? (MPICH >= 1.2.1
if I remember correctly)
Brice
Le 21/03/2012 15:08, Daniel Ibanez a écrit :
> Attached is the stderr and
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