On 19 September 2011 15:54, Greg Stark <st...@mit.edu> wrote: > On Mon, Sep 19, 2011 at 3:36 PM, Greg Smith <g...@2ndquadrant.com> wrote: >> The main problem here is that the sort of hardware commonly used for >> production database servers doesn't have any serious enough GPU to support >> CUDA/OpenCL available > > Of course that could change if adding a GPU would help Postgres... I > would expect it to help mostly for data warehouse batch query type > systems, especially ones with very large i/o subsystems that can > saturate the memory bus with sequential i/o. "Run your large batch > queries twice as fast by adding a $400 part to your $40,000 server" > might be a pretty compelling sales pitch :) > > That said, to help in the case I described you would have to implement > the tapesort algorithm on the GPU as well. I expect someone has > implemented heaps for CUDA/OpenCL already though.
I seem to recall a paper on such a thing by Carnegie Mellon University. Can't remember where I saw it though. -- Thom Brown Twitter: @darkixion IRC (freenode): dark_ixion Registered Linux user: #516935 EnterpriseDB UK: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
