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From: Martin Slater (mslater_at_[hidden])
Date: 2005-10-09 20:39:28
Robert Ramey wrote:
>I only took a very quick look at the diff file. I have a couple of
>questions:
>
>It looks like that for certain types, (C++ arrays, vector<int>, etc) we want
>to use
>binary_save/load to leverage on the fact the fact that we can assume in
>certain
>situations that storage is contiguous.
>
>Note that there is an example in the package - demo_fast_archive which does
>exactly this for C++ arrays. It could easily extended to cover any other
>desired
>types. I believe that using this as a basis would achieve all you desire
>and more
>which a much smaller investment of effort. Also it would not require
>changing the
>serialization library in any way.
>
>
>
If you check the post I made last week I did just this for std::vectors
of POD types, this went from 9.5seconds for a 50 000 000 element vector
of int to ~ 0.5 seconds. Very worthwhile speedup for a lot of common use
cases.
Martin
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