mapnik/mapnik — Issue #1120: performance regression in placement_finder
Author: springmeyer
Created: 2012-03-08 18:19:23+00:00
State: open

A user has discovered a major speed regression between released Mapnik 2.0.0 and latest master.

Reported originally on a separate issue that first discussed shapefile i/o speeds: https://github.com/mapnik/mapnik/issues/1093#issuecomment-4363832

Based on the backtraces done with a poor man's sampling technique, mapnik appears to be stuck in the placement_finder:

https://gist.github.com/2002372