lkml.org 
[lkml]   [2003]   [Jan]   [7]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateMon, 6 Jan 2003 21:31:52 -0800
FromAaron Lehmann <>
SubjectRe: [PATCH] Define hash_mem in lib/hash.c to apply hash_long to an arbitraty piece of memory.
On Tue, Jan 07, 2003 at 04:03:28PM +1100, Neil Brown wrote:
> I did a little testing and found that on a list of 2 million 
> basenames from a recent backup index (800,000 unique):
> 
>  hash_mem (as included here) is noticably faster than HASH_HALF_MD4 or
>  HASH_TEA: 
> 
>   hash_mem:		10 seconds
>   DX_HASH_HALF_MD4:	14 seconds
>   DX_HASH_TEA:		15.2 seconds

I'm curious how the hash at
http://www.burtleburtle.net/bob/hash/doobs.html would fare. He has a
64-bit version at
http://www.burtleburtle.net/bob/c/lookup8.c.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:32    [from the cache]
©2003-2008