Re: [PATCH] backend: compare word-at-a-time in bcTruelen - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: [PATCH] backend: compare word-at-a-time in bcTruelen
Date
Msg-id 4A3737C2.8090401@enterprisedb.com
Whole thread Raw
In response to Re: [PATCH] backend: compare word-at-a-time in bcTruelen  (Robert Haas <robertmhaas@gmail.com>)
Responses Uninstallation error  (<genie.japo@gmail.com>)
List pgsql-hackers
Robert Haas wrote:
> The advice in Stephen's email is also very good - in particular,
> whatever you come up with, you should submit performance results.
> Note that while --enable-profiling is very useful and profiling
> numbers are good to submit, you'll also want to make sure you do a
> build that is optimized for speed (i.e. no profiling, no casserts, no
> debug) and do timings on that.

I'm particularly interested to see how much the patch hurts performance 
in the cases where it's not helping.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com


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