On 19 September 2011 16:10, Thom Brown <t...@linux.com> wrote: > 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.
Found it! http://www.cs.cmu.edu/afs/cs.cmu.edu/Web/People/ngm/15-823/project/Final.pdf -- 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 (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers