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Subject: Re: [OMPI devel] RFC: Support Cross Memory Attach in sm btl
From: Christopher Samuel (samuel_at_[hidden])
Date: 2012-01-12 17:54:20


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Hi Chris,

On 12/01/12 20:34, Christopher Yeoh wrote:

> Cross Memory Attach (CMA) is a pair of new syscalls (process_vm_readv
> and process_vm_writev) which allow for fast intranode
> communication. It has added to the Linux 3.2 kernel.

Do you have any figures comparing some code with and without CMA ?

cheers,
Chris
- --
    Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computation Initiative
 Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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