Re: [Gnu-arch-users] Re: Avoiding ancestor scan during get with revision library

[Andrew Suffield]

On Tue, May 11, 2004 at 02:08:07PM -0700, Tom Lord wrote:
> 
>     > From: Stefan Monnier <address@hidden>
> 
>     > Note that if the files are sufficiently poorly layed out, it's
>     > quite possible that unzipping the compressed file is faster than
>     > catting the uncompressed files.
> 
> s/if the files are sufficiently poorly layed out, it's quite possible that//
> 
> I/O bandwidth easily dominates.

Tarballs are quite appallingly laid out too; they're more or less the
worst possible for random access, which is what this scenario wants,
and could possibly perform worse if you got unlucky with the ordering
on a large tree. Zip files would probably be more appropriate.

-- 
  .''`.  ** Debian GNU/Linux ** | Andrew Suffield
 : :' :  http://www.debian.org/ |
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