Re: svn commit: r1333326 - in /subversion/trunk/subversion: include/private/svn_hash_private.h libsvn_fs_fs/temp_serializer.c libsvn_subr/hash.c

Philip Martin <philip.martin_at_wandisco.com> writes:

> stefan2_at_apache.org writes:
>
>> Author: stefan2
>> Date: Thu May 3 07:16:11 2012
>> New Revision: 1333326
>>
>> URL: http://svn.apache.org/viewvc?rev=1333326&view=rev
>> Log:
>> Introduce private API functions that wrap apr_hash_make_custom
>> and return hash tables that are 2 to 4 times faster than the APR default.
>
> How do you benchmark something like that? What is 2 to 4 times faster?
> Is it the runtime of the function? Does it include or exclude function
> call overhead? What sort of data? Is it relatively short data like
> paths or much larger data?

Is the hash function showing up as significant when you profile
Subversion on some workload?

-- 
uberSVN: Apache Subversion Made Easy
http://www.uberSVN.com