Open MPI logo

Open MPI Development Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Development mailing list

Subject: Re: [OMPI devel] THREAD_MULTIPLE
From: Gleb Natapov (glebn_at_[hidden])
Date: 2007-11-28 14:05:42


On Wed, Nov 28, 2007 at 01:46:53PM -0500, George Bosilca wrote:
> Yes, "us" means UTK. Our math folks are pushing hard for this. I'll gladly
> accept any help, even if it's only for testing. For development, I dispose
> of some of my time and a 100% of a post-doc for few months.
I already worked on this for some time and I can spend more time on
this. I am mainly interested in working on PML/BTL but there are other parts
of MPI that are not related to communication, but still need to be
thread safe.

>
> However, there are limits to what we can do. We will make sure the BTL
> threading requirements are clearly specified, and we will take care of the
> BTLs we already worked on (TCP, self, SM, MX). I hope that once the BTL
> interface is defined, others can make sure their BTL follow the guidelines.
>
> Thanks,
> george.
>
> On Nov 28, 2007, at 1:34 PM, Jeff Squyres wrote:
>
>> On Nov 28, 2007, at 1:26 PM, George Bosilca wrote:
>>
>>> There is a priority change for us.
>>
>> "us" = UTK?
>>
>>> It's definitively time to have a fully supported MPI_THREAD_MULTIPLE
>>> mode in Open MPI. I'm working to figure out how and where to get the
>>> cycles for this. I expect to start working on it in January. So, the
>>> good news is that 1.3 will have thread support.
>>
>> That will be great. Do you really think that you can finish the
>> THREAD_MULTIPLE work by yourself?
>>
>> Cisco can provide some resources for testing (in the environments that
>> we care about :-) ), but probably not for development.
>>
>> --
>> Jeff Squyres
>> Cisco Systems
>>
>> _______________________________________________
>> devel mailing list
>> devel_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/devel
>

> _______________________________________________
> devel mailing list
> devel_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/devel

--
			Gleb.