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Subject: Re: [OMPI users] MPI-2 Supported on Open MPI 1.2.5?
From: Pavel Shamis (Pasha) (pasha_at_[hidden])
Date: 2008-03-12 09:34:48


Jeff Pummill wrote:
> Haha, yeah we found out about that one when trying to run Linpack with
> threaded BLAS implementations.
BTW Goto BLAS threaded implementation doesn't use any MPI calls. So you
may build Linpack with Goto_thread + OMPI non-threaded and it will run
without any problem.

Pasha.
>
> On the MPI-2 note, anyone running MATLAB and the parallel toolkit
> under Open MPI? They are unreasonably obscure about what MPI they need
> although I do believe they need MPI-2 functions.
>
> If it will work with Open MPI, and is not a nightmare to set up, I may
> try it as some of my users would be elated. If there are excessive
> problems, I may opt for SciLab which is supposed to be an "equivalent"
> and open source.
>
>
> Jeff F. Pummill
> Senior Linux Cluster Administrator
> University of Arkansas
> Fayetteville, Arkansas 72701
> (479) 575 - 4590
> http://hpc.uark.edu
>
> "In theory, there is no difference between theory and
> practice. But in practice, there is!" /-- anonymous/
>
>
> Brian Budge wrote:
>> One small (or to some, not so small) note is that full
>> multi-threading with OpenMPI is very unlikely to work with infiniband
>> right now.
>>
>> Brian
>>
>> On Mon, Mar 10, 2008 at 6:24 AM, Michael <mklus_at_[hidden]
>> <mailto:mklus_at_[hidden]>> wrote:
>>
>> Quick answer, till you get a complete answer, Yes, OpenMPI has long
>> supported most of the MPI-2 features.
>>
>> Michael
>>
>> On Mar 7, 2008, at 7:44 AM, Jeff Pummill wrote:
>> > Just a quick question...
>> >
>> > Does Open MPI 1.2.5 support most or all of the MPI-2 directives and
>> > features?
>> >
>> > I have a user who specified MVAPICH2 as he needs some features like
>> > extra task spawning, but I am trying to standardize on Open MPI
>> > compiled against Infiniband for my primary software stack.
>> >
>> > Thanks!
>> >
>> > --
>> > Jeff F. Pummill
>> > Senior Linux Cluster Administrator
>> > University of Arkansas
>>
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-- 
Pavel Shamis (Pasha)
Mellanox Technologies