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Subject: Re: [OMPI devel] [EXTERNAL] Re: RFC: Change ompi_proc_t endpoint data lookup
From: David Goodell (dgoodell) (dgoodell_at_[hidden])
Date: 2013-07-22 11:19:47


On Jul 20, 2013, at 4:42 PM, "Barrett, Brian W" <bwbarre_at_[hidden]> wrote:

> On 7/20/13 3:33 PM, "George Bosilca" <bosilca_at_[hidden]> wrote:
>
>> - In terms of memory this solution provide an approach where there will never be an extra overhead. The ompi_proc_t is not changed, and the extra array of endpoints is only created if the components that share it, are all loaded and enabled.
>
> I agree. Jeff and I talked about a similar concept, but the dependent load was an idea crusher to me.

I'm not really familiar with the code being discussed here, but could you insert a small fixed-size cache in front of this in order to mitigate this second load in the most common cases?

-Dave