Hi,
If I understand you correctly the most suitable way to do it is by paffinity
that we have in Open MPI 1.3 and the trank.
how ever usually OS is distributing processes evenly between sockets by it
self.
There still no formal FAQ due to a multiple reasons but you can read how to
use it in the
Hi,
I'm trying to do an MPI_ALLREDUCE with quadruple precision real and
MPI_SUM and open mpi does not give me the correct answer (vartemp
is equal to vartored instead of 2*vartored). Switching to double precision
real works fine.
My version of openmpi is 1.2.7 and it has been compiled with if
1. MCA BTL parameters
With "-mca btl openib,self", both message between two Cell processors on
one QS22 and messages between two QS22s go through IB.
With "-mca btl openib,sm,slef", message on one QS22 go through shared
memory, message between QS22 go through IB,
Depending on the message si
Hi, Lenny,
So rank file map will be supported in OpenMPI 1.3?I'm using
OpenMPI1.2.6 and did not find parameter "rmaps_rank_file_".
Do you have idea when OpenMPI 1.3 will be available?OpenMPI 1.3
has quite a few features I'm looking for.
Thanks,
Mi
The pdf file in the armci subdirectory says version 1.1, the mx version
is 1.2.5. I'll have to get the debugger out...
Thanks
Henk
> -Original Message-
> From: users-boun...@open-mpi.org
> [mailto:users-boun...@open-mpi.org] On Behalf Of Patrick Geoffray
> Sent: 22 October 2008 22:32
>
According to https://svn.open-mpi.org/trac/ompi/milestone/Open%20MPI%201.3 very
soon,
but you can download trunk version http://www.open-mpi.org/svn/ and check
if it works for you.
how can you check mapping CPUs by OS , my cat /proc/cpuinfo shows very
little info
# cat /proc/cpuinfo
processor
Lenny,
Thanks.
I asked the Cell/BE Linux Kernel developer to get the CPU mapping :)
The mapping is fixed in current kernel.
Mi
"Lenny
FWIW, I suggested the OMPI_() method for two reasons:
1. It's stable and would divorce itself from any underlying env
variables that may change over time (although starting with v1.3, some
of the ones Ralph mentioned shouldn't be changing)
2. Providing OMPI_* functions is a pre-standardizat
Hi Jeff:
Thanks! I will try that.
> On Oct 19, 2008, at 7:05 PM, Wen Hao Wang wrote:
>
>> I have one cluster without Internet connection. I want to test
>> OpenMPI functions on it. It seems MTT can not be used. Do I have any
>> other choice for the testing?
>>
>
> You can always run tests manuall
