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Re: Delta directions (was Re: delta combiner sloooooooowwwwww)

From: Branko ─îibej <brane_at_xbc.nu>
Date: 2005-02-11 00:11:14 CET

Greg Hudson wrote:

>By sacrificing random access, we could get the following benefits:
> * We could get rid of delta windowing, which is a source of
>complexity. (Obviously not before 2.0, but I'm not sure if we can
>realize any of these benefits before 2.0.) Eliminating windowing also
>means we could get much better results for some changes, like "insert
>128K of data at the beginning of the file".
I'm not sure that's the case. Xdelta and diff both use windows because
they'd otherwise have to index all the source and target data at once,
and streaminess is still a requirement. The restriction might possibly
make it easier to implement sliding windows, though.

-- Brane

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Received on Fri Feb 11 00:12:36 2005

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