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From: Matthias Troyer (troyer_at_[hidden])
Date: 2005-11-24 17:15:51

On Nov 24, 2005, at 9:27 PM, Robert Ramey wrote:

> Felipe Magno de Almeida wrote:
>> Creating a "buffered_archive" wouldnt require copying? And as
>> Matthias
>> have already put, it is an unacceptable overhead. I'm having some
>> ideas about a 'fake_buffered'_archive.
> LOL - then then have your archive send the data whereevery you want
> it to. The point is that the 10x speed up demonstration on which
> this whole
> thread
> rests is based on using the current binary_?archive which (apparently)
> won't be the mechanism which will eventually be used.

Just to clarify: there are a number of usage cases where an array
optimization will be useful. One is a binary archive (into files or
buffers), another usage case is MPI message passing without copying
into a buffer. Thus the proposed test is relevant, and we're working
on it.


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