Re: Queries runs slow on GPU with PG-Strom

From: Kouhei Kaigai <kaigai(at)ak(dot)jp(dot)nec(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>, YANG <stonetable(at)outlook(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, KaiGai Kohei <kaigai(at)kaigai(dot)gr(dot)jp>
Subject: Re: Queries runs slow on GPU with PG-Strom
Date: 2015-07-23 04:26:06
Message-ID: 9A28C8860F777E439AA12E8AEA7694F80111BA14@BPXM15GP.gisp.nec.co.jp
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> -----Original Message-----
> From: pgsql-hackers-owner(at)postgresql(dot)org
> [mailto:pgsql-hackers-owner(at)postgresql(dot)org] On Behalf Of Josh Berkus
> Sent: Thursday, July 23, 2015 2:49 AM
> To: YANG; pgsql-hackers(at)postgresql(dot)org; KaiGai Kohei
> Subject: Re: [HACKERS] Queries runs slow on GPU with PG-Strom
>
> On 07/22/2015 08:16 AM, YANG wrote:
> >
> > Hello,
> >
> > I've performed some tests on pg_strom according to the wiki. But it seems that
> > queries run slower on GPU than CPU. Can someone shed a light on what's wrong
> > with my settings. My setup was Quadro K620 + CUDA 7.0 (For Ubuntu 14.10) +
> > Ubuntu 15.04. And the results was
>
> I believe that pgStrom has its own mailing list. KaiGai?
>
Sorry, I replied to this earlier.

We have no own mailing list, but issue tracker on GitHub is a proper
way to report problems to the developers.

https://github.com/pg-strom/devel/issues

Thanks,
--
NEC Business Creation Division / PG-Strom Project
KaiGai Kohei <kaigai(at)ak(dot)jp(dot)nec(dot)com>

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