[OpenJDK 2D-Dev] sun.java2D.Pisces renderer Performance and Memory enhancements

Andrea Aime andrea.aime at geo-solutions.it
Wed May 29 09:05:39 UTC 2013


On Wed, May 29, 2013 at 11:01 AM, Laurent Bourgès <bourges.laurent at gmail.com
> wrote:

> Finally I propose to focus on optimizing these 2 algorithms (methods) as
> it represents 55% of cpu time:
> - optimize / modify algorithms: integer instead of float ops, reduce
> number of condition statements (if) to improve branch prediction ...
>

I have been fancying a port to java of the agg liteweight rasterize (
http://www.antigrain.com/download/index.html)
and indeed that code, besides producing high quality antialiased outputs,
works with rescaled integers.
Might be work having a look

Cheers
Andrea

-- 
==
GeoServer training in Milan, 6th & 7th June 2013!  Visit
http://geoserver.geo-solutions.it for more information.
==

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39  339 8844549

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

-------------------------------------------------------
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openjdk.java.net/pipermail/2d-dev/attachments/20130529/710c016e/attachment.html>


More information about the 2d-dev mailing list