- Joined on
Apr 17, 2013
Parallel 'psql'. Run parallel queries inline in PostgreSQL’s psql tool. Useful for ‘slightly big data’, GIS.
This is an alternative version of gdal_calc that allows better handling of nodata and 15-30% faster runtimes. Minimal changes to source code. It has been submitted for inclusion in the trunk GDAL d…
30x faster than using numpy.any/all (numpy 1.7), syntactically sweeter than numpy.logical_or/logical_and, trivial implementation, no need for idiomatic approaches to performance.
Parallel pl/pgsql performance tests
Uses parallel programming & small tricks to produce large map intersections up to 20-30x faster.