[Sheepdog] [PATCH 2/5] sheep: add some candy helpers in util.c

Liu Yuan namei.unix at gmail.com
Thu Nov 17 06:41:43 CET 2011

On 11/17/2011 11:57 AM, MORITA Kazutaka wrote:

> If I modified this line to
>    return hash & ((1 << bits) - 1);
> the result had become good.  It looks like FNV generates values whose
> lower bits are more random.
> Anyway, I don't mind introducing a new hash function now.  FNV seems
> to have some problems if the input buffer length is too short.
> Thanks

Hmm, I tried the lower bits, it is surprisingly good, at least for oid
hashing. So let's stay with FNV and make the change when needed.

I'll submit a updated patch for this hash in candy patch set.


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