On Wed, Jan 23, 2008 at 01:28:27PM +0100, David Kastrup wrote:
> Johannes Schindelin <Johannes.Schindelin@xxxxxx> writes:
>
> > Both issues (and the config variable issue Linus raised) are easily
> > helped with: store not only the hashmap in the extension, but also an
> > identifier for the hash method used.
>
> For a reasonably implemented hash algorithm, computing the hash should
> be cheaper than reading it from disk.
>
> So storing precomputed hashes is not worth the trouble.
Yes, but if on Mac OS systems when the git repository is stored on an
HFS+ system, the hash algorithm gets changed to one which forces
Unicode strings which HFS+ happens to "normalize" into the same hash
bucket pre- and post- normalization, it might not be cheap any
more....
- Ted
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