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Subject: Re: [OMPI users] Documentation of MPI Implementation
From: Eugene Loh (eugene.loh_at_[hidden])
Date: 2011-08-23 10:50:55


On 8/23/2011 12:32 AM, Hoang-Vu Dang wrote:
> Dear all,
>
> Where could I find a detailed documentation about algorithms that has
> been using in Open MPI ?
>
> For example, I would like to answer following questions: how
> MPI_Algather operation is done? what is the complexity in term of the
> number of data send/receive given a number of node involved? what is
> the data structure behind ?. Same as for MPI_Alreduce etc..
>
> Is this information available to access and how can I access it ? I
> know there is one way which is digging into the source code, but I
> hope there is a easier way to achieve the same goal.
I'm no expert, but I suspect that any documentation is scant,
incomplete, and likely to be out-of-date.