[mkgmap-dev] mkgmap-faster-mp (follow up)

Sun Jun 6 09:10:08 BST 2021

Hi Gerd.
It looks to work fine now!
Compiling two different maps of parts of north and east Europe and comparing 
faster-mp-r4757 with r4745.
The faster-mp is about 5-7 % faster than the normal.

Regards
Karl

On lördag 5 juni 2021 kl. 15:03:13 CEST Gerd Petermann wrote:
> Hi Karl,
> 
> thanks for testing and reporting. The problem is solved with r4757 :
> https://www.mkgmap.org.uk/websvn/revision.php?repname=mkgmap&rev=4757
> 
> The problematic MP is this one:
> https://www.openstreetmap.org/relation/9575290
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von 7770
> <7770 at foskan.eu> Gesendet: Samstag, 5. Juni 2021 08:16
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: [mkgmap-dev] mkgmap-faster-mp (follow up)
> 
> Hi.
> After long time i am returning to the issue of long generation time for
> tiles with large polygons. I have avoided interfering with the discussion
> as i am not in the position to help on the technical details.
> 
> The original tile for which there was an issue was used in the following
> test, can be found here: https://files.mkgmap.org.uk/detail/502
> 
> 
> On my computer, compiling the split data (from link above):
> with version mkgmap-faster-mp-r4706 it takes around 2 minutes 40 seconds,
> output size 13520896 bytes.
> with version mkgmap-r4745 it takes around 25 minutes and 30 seconds, output
> size 13516800 bytes.
> This is a great change!
> 
> 
> With an earlier version of the mkgmap-faster-mp i have compiled maps with no
> problem, but with 4706 i get the following error in one case. (split data
> can be uploaded in case you want, 77700020*.pbf).
> 
> What could be the issue?
> 
> 
> 
> Mkgmap version 4706
> Time started: Sat Jun 05 08:09:29 CEST 2021
> ALLVARLIG (global): Unexpected error
> java.lang.ArrayIndexOutOfBoundsException: -1
>         at java.util.ArrayList.elementData(ArrayList.java:422)
>         at java.util.ArrayList.get(ArrayList.java:435)
>         at
> uk.me.parabola.mkgmap.reader.osm.MultiPolygonRelation.getLargest(MultiPolygo
> nRelation.java: 674)
>         at
> uk.me.parabola.mkgmap.reader.osm.MultiPolygonRelation.processElements(MultiP
> olygonRelation.java: 640)
>         at
> uk.me.parabola.mkgmap.reader.osm.ElementSaver.addRelation(ElementSaver.java:
> 163)
>         at
> uk.me.parabola.mkgmap.reader.osm.bin.OsmBinHandler$BinParser.parseRelations(
> OsmBinHandler.java: 215)
>         at crosby.binary.BinaryParser.parse(Unknown Source)
>         at crosby.binary.BinaryParser.handleBlock(Unknown Source)
>         at crosby.binary.file.FileBlock.process(Unknown Source)
>         at crosby.binary.file.BlockInputStream.process(Unknown Source)
>         at
> uk.me.parabola.mkgmap.reader.osm.bin.OsmBinHandler.parse(OsmBinHandler.java:
> 54)
>         at
> uk.me.parabola.mkgmap.reader.osm.OsmMapDataSource.parse(OsmMapDataSource.jav
> a: 166)
>         at
> uk.me.parabola.mkgmap.reader.osm.OsmMapDataSource.load(OsmMapDataSource.java
> : 141)
>         at
> uk.me.parabola.mkgmap.main.MapMaker.loadFromFile(MapMaker.java:165) at
> uk.me.parabola.mkgmap.main.MapMaker.makeMap(MapMaker.java:58) at
> uk.me.parabola.mkgmap.main.Main.lambda$processFilename$1(Main.java: 290)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:
> 1149)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:
> 624)
>         at java.lang.Thread.run(Thread.java:748)
> ALLVARLIG (global): Exiting due to unexpected error
> Number of ExitExceptions: 1
> Time finished: Sat Jun 05 08:09:42 CEST 2021
> Total time taken: 13 seconds
> 
> 
> 
> 
> 
> Regards
> Karl
> 
> 
> 
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