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

From Tom Lane
Subject Re: [PATCH] backend: compare word-at-a-time in bcTruelen
Date
Msg-id 29879.1266950396@sss.pgh.pa.us
Whole thread Raw
In response to Re: [PATCH] backend: compare word-at-a-time in bcTruelen  (Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>)
Responses Re: [PATCH] backend: compare word-at-a-time in bcTruelen
List pgsql-hackers
Stefan Kaltenbrunner <stefan@kaltenbrunner.cc> writes:
> hmm I tend to disagree, this patch was specifically done to address a 
> hotspot I noticed under a given workload and it helped a lot for that 
> workload(like getting 6000qps more is pretty neat imho).
> While people might not use fixed width chars that often(which especially 
> for migrated database is imho not true) it is an issue that can be seen 
> with a rather popular database related benchmarking tool so we should 
> not really dismiss it easily.

Nobody suggested dismissing it.  The point was that it hasn't been
tested adequately to justify applying it now.
        regards, tom lane


pgsql-hackers by date:

Previous
From: "Kevin Grittner"
Date:
Subject: Re: function side effects
Next
From: Stefan Kaltenbrunner
Date:
Subject: Re: [PATCH] backend: compare word-at-a-time in bcTruelen