After checking out osm2pgsql revision 13632, makefile flag can be changed to -fast and make runs without errors, only two warnings.
The osm2pgsql performance difference when loading a 1.457.533.013 bytes, 11 january 2009 dated, planet-nl-latest.osm: r13576 with -O2: 11 minutes 04 seconds r13632 with -fast: 10 minutes 47 seconds This is a not so shocking 2.5% speed increase. ~Ceriel --- Environment: Mac mini 2.0Ghz, 4GB RAM, OS X 10.5.6, gcc 4.0.1 --- $ make gcc -g -fast -Wall -Wextra -I/usr/include/libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 -DVERSION=\"0.60-20090209\" - DHAVE_PTHREAD -c -o expire-tiles.o expire-tiles.c gcc -g -fast -Wall -Wextra -I/usr/include/libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 -DVERSION=\"0.60-20090209\" - DHAVE_PTHREAD -c -o middle-pgsql.o middle-pgsql.c gcc -g -fast -Wall -Wextra -I/usr/include/libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 -DVERSION=\"0.60-20090209\" - DHAVE_PTHREAD -c -o middle-ram.o middle-ram.c gcc -g -fast -Wall -Wextra -I/usr/include/libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 -DVERSION=\"0.60-20090209\" - DHAVE_PTHREAD -c -o osm2pgsql.o osm2pgsql.c osm2pgsql.c: In function 'usage': osm2pgsql.c:450: warning: implicit declaration of function 'basename' osm2pgsql.c:450: warning: initialization makes pointer from integer without a cast gcc -g -fast -Wall -Wextra -I/usr/include/libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 -DVERSION=\"0.60-20090209\" - DHAVE_PTHREAD -c -o output-pgsql.o output-pgsql.c g++ -g -fast -Wall -DGEOS_INLINE -g -fast -Wall -Wextra -I/usr/include/ libxml2 -I/opt/local/include -I/opt/local/include/postgresql83 - DVERSION=\"0.60-20090209\" -DHAVE_PTHREAD -I/opt/local/include -c -o build_geometry.o build_geometry.cpp g++ -o osm2pgsql UTF8sanitizer.o expire-tiles.o input.o keyvals.o middle-pgsql.o middle-ram.o osm2pgsql.o output-pgsql.o pgsql.o rb.o reprojection.o sprompt.o text-tree.o build_geometry.o -L/usr/lib - lxml2 -lz -lpthread -licucore -lm -L/opt/local/lib -lgeos -L/opt/ local/lib/postgresql83 -lpq -lbz2 -lz -g -lproj -lstdc++ -lpthread Op 8 feb 2009, om 00:38 heeft Jon Burgess het volgende geschreven: > On Sat, 2009-02-07 at 23:09 +0100, Ceriel Jacobs wrote: >> In building and benchmarking open source projects on Mac OS X 10.5 >> intel (for example Mysql), >> highest performance was returned with flag -fast instead of -O2. >> >> When trying to apply these settings to the osm2pgsql Makefile, by >> replacing: >> 1. CFLAGS += -g -O2 -Wall -Wextra >> with >> 1. CFLAGS += -g -fast -Wall -Wextra >> and >> 2. CXXFLAGS += -g -O2 -Wall -DGEOS_INLINE $(CFLAGS) >> with >> 2. CXXFLAGS += -g -fast -Wall -DGEOS_INLINE $(CFLAGS) >> >> Checked out revision 13576, returns several errors when trying to >> make >> (see below). >> >> Has anyone tried this -fast FLAG in the make process of osm2pgsql? >> Or will this definately not work, and why? >> >> ~Ceriel > > Try r13578. It should have fixes for the error and the warnings. > > I have not tried OSX. I can not tell you how it will effect the > performance. > > Jon > > _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/listinfo/dev
