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Subject: Re: [OMPI devel] matching code rewrite in OB1
From: Andrew Friedley (afriedle_at_[hidden])
Date: 2007-12-11 11:03:52

Try UD, frags are reordered at a very high rate so should be a good test.


Richard Graham wrote:
> Gleb,
> I would suggest that before this is checked in this be tested on a system
> that has N-way network parallelism, where N is as large as you can find.
> This is a key bit of code for MPI correctness, and out-of-order operations
> will break it, so you want to maximize the chance for such operations.
> Rich
> On 12/11/07 10:54 AM, "Gleb Natapov" <glebn_at_[hidden]> wrote:
>> Hi,
>> I did a rewrite of matching code in OB1. I made it much simpler and 2
>> times smaller (which is good, less code - less bugs). I also got rid
>> of huge macros - very helpful if you need to debug something. There
>> is no performance degradation, actually I even see very small performance
>> improvement. I ran MTT with this patch and the result is the same as on
>> trunk. I would like to commit this to the trunk. The patch is attached
>> for everybody to try.
>> --
>> Gleb.
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