Yes, I’ve been hearing a growing number of complaints about cgroups for that
reason. Our mapping/ranking/binding options will work with the cgroup envelope,
but it generally winds up with a result that isn’t what the user wanted or
expected.
We always post the OMPI BoF slides on our web site, a
Ralph,
Alas, I will not be at SC16. I would like to hear and/or see what you
present, so if it gets made available in alternate format, I'd
appreciated know where and how to get it.
I am more and more coming to think that our cluster configuration is
essentially designed to frustrated MPI develo
FWIW: I’ll be presenting “Mapping, Ranking, and Binding - Oh My!” at the OMPI
BoF meeting at SC’16, for those who can attend. Will try to explain the
rationale as well as the mechanics of the options
> On Oct 11, 2016, at 8:09 AM, Dave Love wrote:
>
> Gilles Gouaillardet mailto:gil...@rist.or.
FWIW: I’ll be presenting “Mapping, Ranking, and Binding - Oh My!” at the OMPI
BoF meeting at SC’16, for those who can attend
> On Oct 11, 2016, at 8:16 AM, Dave Love wrote:
>
> Wirawan Purwanto writes:
>
>> Instead of the scenario above, I was trying to get the MPI processes
>> side-by-side
You don’t need any of the hardware - you just need the headers. Things like
libfabric and libibverbs are all publicly available, and so you can build all
that support even if you cannot run it on your machine.
Once your customer installs the binary, the various plugins will check for
their requ
There's been discussion on the OpenMPI list recently about static linking
of OpenMPI with all of the desired MCAs in it. I've got the opposite
question. I'd like to add MCAs later on to an already-compiled version of
OpenMPI and am not quite sure how to do it.
Let me summarize. We've got a commerc
Gilles,
You described the problem exactly. I think we were able to nail down a
solution to this one through judicious use of the -rpath $MPI_DIR/lib
linker flag, allowing the runtime linker to properly find OpenMPI symbols
at runtime. We're operational. Thanks for your help.
-Sean
--
Sean Ahern
On 10/28/2016 10:33 AM, Craig tierney wrote:
Sylvain,
If I do not set --with-cuda, I get:
configure:9964: result: no
configure:10023: checking whether CU_POINTER_ATTRIBUTE_SYNC_MEMOPS is
declared
configure:10023: gcc -c -DNDEBUG conftest.c >&5
conftest.c:83:19: fatal error: /cuda.h: No such
Sylvain,
If I do not set --with-cuda, I get:
configure:9964: result: no
configure:10023: checking whether CU_POINTER_ATTRIBUTE_SYNC_MEMOPS is
declared
configure:10023: gcc -c -DNDEBUG conftest.c >&5
conftest.c:83:19: fatal error: /cuda.h: No such file or directory
#include
Gilles,
Thanks! With my very rudimentary understanding of C pointers and C
programming in general I missed that translation subtly. The revised
program runs fine with a variety of optimizations and debug options on
my test system.
Tom R.
On 10/27/2016 10:23 PM, Gilles Gouaillardet wrote
On Oct 28, 2016, at 8:12 AM, Mahesh Nanavalla
wrote:
>
> i have configured as below for arm
>
> ./configure --enable-orterun-prefix-by-default
> --prefix="/home/nmahesh/Workspace/ARM_MPI/openmpi"
> CC=arm-openwrt-linux-muslgnueabi-gcc CXX=arm-openwrt-linux-muslgnueabi-g++
> --host=arm-op
Hi Gilles,
Thanks for reply
i have configured as below for arm
./configure --enable-orterun-prefix-by-default
--prefix="/home/nmahesh/Workspace/ARM_MPI/openmpi"
CC=arm-openwrt-linux-muslgnueabi-gcc CXX=arm-openwrt-linux-muslgnueabi-g++
--host=arm-openwrt-linux-muslgnueabi --enable-script-wra
Sergei,
is there any reason why you configure with --with-verbs-libdir=/usr/lib ?
as far as i understand, --with-verbs should be enough, and /usr/lib
nor /usr/local/lib should ever be used in the configure command line
(and btw, are you running on a 32 bits system ? should the 64 bits
libs be in /
Sorry - shoot down my idea. Over to someone else (me hides head in shame)
On 28 October 2016 at 11:28, Sergei Hrushev wrote:
> Sergei, what does the command "ibv_devinfo" return please?
>>
>> I had a recent case like this, but on Qlogic hardware.
>> Sorry if I am mixing things up.
>>
>>
> An
>
> Sergei, what does the command "ibv_devinfo" return please?
>
> I had a recent case like this, but on Qlogic hardware.
> Sorry if I am mixing things up.
>
>
An output of ibv_devinfo from cluster's 1st node is:
$ ibv_devinfo -d mlx4_0
hca_id: mlx4_0
transport: Inf
Sergei, what does the command "ibv_devinfo" return please?
I had a recent case like this, but on Qlogic hardware.
Sorry if I am mixing things up.
On 28 October 2016 at 10:48, Sergei Hrushev wrote:
> Hello, All !
>
> We have a problem with OpenMPI version 1.10.2 on a cluster with newly
> inst
Hello, All !
We have a problem with OpenMPI version 1.10.2 on a cluster with newly
installed Mellanox InfiniBand adapters.
OpenMPI was re-configured and re-compiled using: --with-verbs
--with-verbs-libdir=/usr/lib
And our test MPI task returns proper results but it seems OpenMPI continues
to use
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