| From: | Thom Brown <thom(at)linux(dot)com> |
|---|---|
| To: | Peter Geoghegan <pg(at)heroku(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com> |
| Subject: | Re: B-Tree support function number 3 (strxfrm() optimization) |
| Date: | 2014-04-03 19:19:50 |
| Message-ID: | CAA-aLv5R-uuMAe8UNaY2wzPF0gNrW32rJ1VZN4ua-=FCVdJP0A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 3 April 2014 19:05, Peter Geoghegan <pg(at)heroku(dot)com> wrote:
> On Thu, Apr 3, 2014 at 1:23 PM, Thom Brown <thom(at)linux(dot)com> wrote:
>> I'm getting an error when building this:
>
> Sorry. I ran this through Valgrind, and forgot to reset where the
> relevant macro is define'd before submission. Attached revision should
> build without issue.
Looking good:
-T 100 -n -f sort.sql
Master: 21.670467 / 21.718653 (avg: 21.69456)
Patch: 66.888756 / 66.888756 (avg: 66.888756)
308% increase in speed
-c 80 -j 80 -T 100 -n -f sort.sql
Master: 38.450082 / 37.440701 (avg: 37.9453915)
Patch: 153.321946 / 145.004726 (avg: 149.163336)
393% increase in speed
--
Thom
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