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Subject: Re: [OMPI users] Partitioning problem set data
From: Alexandru Blidaru (alexsb92_at_[hidden])
Date: 2010-07-20 10:53:38


If there is an already existing implementation of the *Block or Block*
methods that splits the array and sends the individual pieces to
the proper nodes, can you point me to it please?

On Tue, Jul 20, 2010 at 9:52 AM, Alexandru Blidaru <alexsb92_at_[hidden]>wrote:

> Hi,
>
> I have a 3D array, which I need to split into equal n parts, so that each
> part would run on a different node. I found the picture in the attachment
> from this website (
> https://computing.llnl.gov/tutorials/parallel_comp/#DesignPartitioning) on
> the different ways to partition data. I am interested in the block methods,
> as the cyclic methods wouldn't really work for me at all. Obviously the *,
> BLOCK and the BLOCK, * methods would be really easy to implement for 3D
> arrays, assuming that the 2D picture would be looking at the array from the
> top. My question is if there are other better ways to do it from a
> performance standpoint?
>
> Thanks for your replies,
> Alex
>