[OpenJDK 2D-Dev] AAShapePipe concurrency & memory waste (original) (raw)
Andrea Aime andrea.aime at geo-solutions.it
Wed Apr 10 08:24:04 UTC 2013
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On Wed, Apr 10, 2013 at 10:14 AM, Laurent Bourgès <bourges.laurent at gmail.com
wrote:
Andrea, I am running benchmarks on my laptop (i7 - 2 core 2.8Ghz + HT => 4 virtual cpus) on linux 64 (fedora 14). Note: I always use cpufrequtils to set the cpu governor to performance and use fixed frequency = 2.8Ghz: [bourgesl at jmmc-laurent ~]$ uname -a Linux jmmc-laurent.obs.ujf-grenoble.fr 2.6.35.14-106.fc14.x8664 #1 SMP Wed Nov 23 13:07:52 UTC 2011 x8664 x8664 x8664 GNU/Linux
Yes, I did the same when I initially run the MapBench on JDK 7 vs OpenJDK 7 (governor settings wise).
Since you are already running on that platform, maybe I can try to cover Linux 32 bit instead, I also have a notebook with that setup.
Laurent, have you made any changes to MapBench since I've sent it to you?
Yes I fixed a bit (cached BasicStroke, reused BufferedImage / Graphics) and added explicit GC before tests (same initial conditions): http://jmmc.fr/~bourgesl/share/java2d-pisces/MapBench/ Look at MapBench-src.zip<http://jmmc.fr/%7Ebourgesl/share/java2d-pisces/MapBench/MapBench-src.zip>for test changes.
Thanks
Cheers Andrea
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