Re: [boost] [serialization] fast array serialization (10x speedup)

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.

Matthias