On Tue, Apr 25, 2006 at 10:30:26PM +0200, Jesper Pedersen wrote: > Hi. > > I have been thinking about this for a while and now that Google Summer of Code > is coming I thought I would share this idea. > > The GCC people have traded their bison/flex parser with a hand written > recursive-descent parser for a nice speed up.
Nice? The figures I'm seeing are 2%. Is that even noticable? > So it would be interesting to see if PostgreSQL would benefit from the same > 'switch'. > > By the looks of it *) the job could be completed within the time frame and > maybe pgbench could serve as the testing framework for the performance > measurements. I think it's worth a try, but you have to consider that unlike C, SQL as a language keeps changing in ways we have no idea about yet. Whatever the result is, it has to be more maintainable than what we have now... > I think it has an academic angle to it -- something fun for the student and > maybe a speed up for PostgreSQL :) Abosolutly. It'd be a fun experiment, if one were so inclined. Have a nice day, -- Martijn van Oosterhout <kleptog@svana.org> http://svana.org/kleptog/ > From each according to his ability. To each according to his ability to > litigate.
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