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

Wed Nov 16 21:37:31 GMT 2011

Thanks Gerd,

I have commited it to the branch.

I will merge the branch back to trunk after getting some feedback on the 
list that the changes are worthy to merge. Unfortunately I do not have 
time to check that myself at the moment.

Have fun!
WanMil

> 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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