[mkgmap-dev] [PATCH v5]splitter memory usage

Wed Nov 16 16:54:19 GMT 2011

Hello,

here is the final patch  
http://gis.638310.n2.nabble.com/file/n7001044/memory_patch_v5.patch
memory_patch_v5.patch 
It has to be applied against the memory branch.

Final notes:
- the modified fastutil.jar is no longer needed, the trunk version version
works fine
- the program works almost always better when parameter --optimize-mem=true
is used, so it might be better to change that to be the default.

Some numbers:
 All values measured on a WinXP machine with 2.6Gh dual core AMD 5050e and
with
common parms: 
java -Xmx1600m -Xloggc:gclog.txt -verbose:gc -XX:+PrintGCTimeStamps
-XX:+PrintGCDetails -jar splitter.jar --status-freq=0

Times in seconds, max heap occupancy (calculated by garbagecat)
 * IDs in the range 1073742179 - 1107861564, parm --mixed is needed
 ** manually modified IDs to start with 3 (3073742179- 3107861564), 
     parameer --split-file is used 

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