On Sun, Jan 22, 2012 at 10:48 AM, Kohei KaiGai <kaigai@kaigai.gr.jp> wrote:
> I tried to implement a fdw module that is designed to utilize GPU
> devices to execute
> qualifiers of sequential-scan on foreign tables managed by this module.
>
> It was named PG-Strom, and the following wikipage gives a brief
> overview of this module.
> http://wiki.postgresql.org/wiki/PGStrom
>
> In our measurement, it achieves about x10 times faster on
> sequential-scan with complex-
> qualifiers, of course, it quite depends on type of workloads.
That's pretty neat. In terms of tuning the non-GPU based
implementation, have you done any profiling? Sometimes that leads to
an "oh, woops" moment.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company