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Subject: Re: [OMPI devel] --enable-opal-multi-threads
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-02-15 07:47:21


On Feb 14, 2011, at 9:26 PM, Abhishek Kulkarni wrote:

>
>
> On Mon, 14 Feb 2011, Ralph Castain wrote:
>
>> If the ability to turn "on" thread support is missing from 1.5, then that is an error.
>>
>
> No, it was changed from "--enable-mpi-threads" to "--enable-opal-multi-threads" on the trunk in r22841 [1].

I know - I did it :-)

>
> If the changeset has not been brought over to v1.5, it indeed looks like an anachronism in the README.
>
> [1] https://svn.open-mpi.org/trac/ompi/changeset/22841

My point is that it isn't an anachronism in the README, but an error in 1.5 - it needs to have the ability to turn on thread safety.

>
>>
>> On Feb 14, 2011, at 5:36 PM, Eugene Loh wrote:
>>
>>> In the v1.5 README, I see this:
>>>
>>> --enable-opal-multi-threads
>>> Enables thread lock support in the OPAL and ORTE layers. Does
>>> not enable MPI_THREAD_MULTIPLE - see above option for that feature.
>>> This is currently disabled by default.
>>>
>>> I don't otherwise find opal-multi-threads at all in this branch. It seems to me, for such an option, one needs to move to the trunk.
>>>
>>> Is this an error (anachronism) in the v1.5 README?
>>> _______________________________________________
>>> 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
>>
> _______________________________________________
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