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

[Dave Goodell]

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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