[mpich-discuss] MPI_THREAD_MULTIPLE support on ch3:sock?

[Nicolas Rosner]

Thanks for the prompt response.

Nicolás


On Thu, Jan 24, 2013 at 5:59 PM, Dave Goodell <goodell at mcs.anl.gov> wrote:
> Fixed by http://git.mpich.org/mpich.git/commit/29393b
>
> Expect to see this in the upcoming 3.0.2 release.
>
> -Dave
>
> On Jan 24, 2013, at 2:09 PM CST, Dave Goodell wrote:
>
>> FWIW, usually you want to leave the default in place, which is "runtime".
>>
>> I can reproduce your problem.  I've filed a ticket for it: https://trac.mpich.org/projects/mpich/ticket/1787
>>
>> -Dave
>>
>> On Jan 24, 2013, at 1:34 PM CST, Nicolas Rosner wrote:
>>
>>> Hello,
>>>
>>> I'm trying to configure MPICH2 1.5 with the sock device and MULTIPLE
>>> thread support level.
>>>
>>> At first I configured without specifying anything about threads (since
>>> on my MPICH2 1.4.x machines, using just --with-device=ch3:sock does
>>> seem to build with MULTIPLE support by default). But all I obtained
>>> was SINGLE.
>>>
>>> So I tried to reconfigure the 1.5 release, now explicitly specifying
>>> --enable-threads=multiple, and got:
>>>
>>> error: The device ch3:sock does not support MPI_THREAD_MULTIPLE
>>>
>>> Yet on the README for the 1.5 release, I see:
>>>
>>> --enable-threads - Build MPICH2 with support for multi-threaded
>>>                    applications. Only the sock and nemesis channels
>>>                    support MPI_THREAD_MULTIPLE.
>>>
>>> Should this work? Any differences between 1.4 and 1.5 on this?
>>>
>>> Thanks,
>>> Nicolás
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