| From: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Test request for Stats collector performance improvement |
| Date: | 2006-06-15 06:09:43 |
| Message-ID: | e6qtjn$22ui$1@news.hub.org |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-patches pgsql-performance |
"Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote
>
> Would some people please run the attached test procedure and report back
> the results? I basically need to know the patch is an improvement on
> more platforms than just my own. Thanks
>
Obviously it matches your expectation.
uname: Linux amd64 2.6.9-5.13smp #1 SMP Wed Aug 10 10:55:44 CST 2005 x86_64
x86_64 x86_64 GNU/Linux
compiler: gcc (GCC) 3.4.3 20041212
configure: '--prefix=/home/qqzhou/pginstall'
--Before patch --
real 0m1.149s
user 0m0.182s
sys 0m0.122s
real 0m1.121s
user 0m0.173s
sys 0m0.103s
real 0m1.128s
user 0m0.116s
sys 0m0.092s
-- After patch --
real 0m1.275s
user 0m0.097s
sys 0m0.160s
real 0m4.063s
user 0m0.663s
sys 0m0.377s
real 0m1.259s
user 0m0.073s
sys 0m0.160s
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