Re: CUDA Sorting
От
Nulik Nol
Тема
Re: CUDA Sorting
Дата
Msg-id
CAHO6xe9AyMc+XA=k5XZpTr+LHyE8NThcULy+1JuuMQzeE=vOWQ@mail.gmail.com
Ответ на
Re: CUDA Sorting (Vitor Reus)
Список
Дерево обсуждения
CUDA Sorting Vitor Reus <vitor.reus@gmail.com>
Re: CUDA Sorting Thom Brown <thom@linux.com>
Re: CUDA Sorting Nulik Nol <nuliknol@gmail.com>
Re: CUDA Sorting Vitor Reus <vitor.reus@gmail.com>
Re: CUDA Sorting Nulik Nol <nuliknol@gmail.com>
Re: CUDA Sorting Greg Stark <stark@mit.edu>
Re: CUDA Sorting Hannu Krosing <hannu@2ndQuadrant.com>
Re: CUDA Sorting Greg Smith <greg@2ndQuadrant.com>
Re: CUDA Sorting Hannu Krosing <hannu@krosing.net>
Re: CUDA Sorting Vitor Reus <vitor.reus@gmail.com>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Greg Smith <greg@2ndQuadrant.com>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Kohei KaiGai <kaigai@kaigai.gr.jp>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Greg Stark <stark@mit.edu>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Peter Geoghegan <peter@2ndquadrant.com>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Dann Corbit <DCorbit@connx.com>
Re: CUDA Sorting Peter Geoghegan <peter@2ndquadrant.com>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Marti Raudsepp <marti@juffo.org>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Oleg Bartunov <oleg@sai.msu.su>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Thom Brown <thom@linux.com>
Re: CUDA Sorting Stephen Frost <sfrost@snowman.net>
Re: CUDA Sorting Florian Pflug <fgp@phlo.org>
Re: CUDA Sorting Greg Smith <greg@2ndQuadrant.com>
Re: CUDA Sorting Cédric Villemain <cedric.villemain.debian@gmail.com>
Re: CUDA Sorting Christopher Browne <cbbrowne@gmail.com>
Re: CUDA Sorting Greg Stark <stark@mit.edu>
Re: CUDA Sorting Tom Lane <tgl@sss.pgh.pa.us>
Re: CUDA Sorting PostgreSQL - Hans-Jürgen Schönig<postgres@cybertec.at>
Re: CUDA Sorting Gaetano Mendola <mendola@gmail.com>
Re: CUDA Sorting Vitor Reus <vitor.reus@gmail.com>
Re: CUDA Sorting Thom Brown <thom@linux.com>
Re: CUDA Sorting Thom Brown <thom@linux.com>
> > I already did some benchmarks with GPU sorting (not in pgsql), and > measured total sort times, copy bandwidth and energy usage, and got > some exciting results: Was that qsort implementation on CPU cache friendly and optimized for SSE ? To make a fair comparison you have to take the best CPU implementation and compare it to best GPU implementation. Because if not, you are comparing full throttled GPU vs lazy CPU. Check this paper on how hash join was optimized 17x when SSE instructions were used. www.vldb.org/pvldb/2/vldb09-257.pdf Regards -- ================================== The power of zero is infinite
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