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Subject: Re: [OMPI devel] DDT and spawn issue?
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-07-15 12:00:49


Thanks George!!

On Wed, Jul 15, 2009 at 9:57 AM, George Bosilca <bosilca_at_[hidden]>wrote:

> Yes, this appears to be at least partially part of the problem Edgar is
> seeing. We're trying to figure out how most of the tests passed so far with
> a wrong mapping. Interesting enough, while the mapping seems wrong the
> lookup is symmetric so most of the time we end-up with the correct op by
> pure luck.
>
> We're looking into this.
>
> george.
>
>
> On Jul 15, 2009, at 11:50 , Jeff Squyres wrote:
>
> I [very briefly] read about the DDT spawn issues, so I went to look at
>> ompi/op/op.c. I notice that there's a new comment above the op
>> datatype<-->op map construction area that says:
>>
>> /* XXX TODO */
>>
>> svn blame says:
>>
>> 21641 rusraink /* XXX TODO */
>>
>> r21641 is the big merge from the past weekend where the DDT split came in.
>>
>> Has this area been looked at and the comment is out of date? Or does it
>> need to be updated with new mappings? (I honestly have not looked any
>> farther than this -- the new comment caught my eye)
>>
>> --
>> Jeff Squyres
>> Cisco Systems
>>
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>
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