JDK-8059944 : [OGL] Metrics for a method choice copying of texture should be improved
  • Type: Bug
  • Component: client-libs
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • OS: os_x
  • CPU: generic
  • Submitted: 2014-10-08
  • Updated: 2015-06-04
  • Resolved: 2014-11-28
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JDK 8 JDK 9
8u40Fixed 9 b44Fixed
Related Reports
Relates :  
JDK-8029253 - [macosx] Performance problems with Retina display on Mac OS X
Description
See http://mail.openjdk.java.net/pipermail/2d-dev/2014-October/004873.html
 Looks like blit via texture almost always faster in case of intel hd on osx + retina. 
The difference is 30% in swingmark-native.
Comments
This fix initially was sent as a fix for JDK-8029253 [1], but was postponed because another issue became a bottleneck [2] Description: We have two codepaths to draw a raster to the opengl surface: - via glDrawPixels - via intermediate texture. We empirically checked, what way is better, based on benchmarks. Became obvious that on intel devices the glDrawPixels is slower than intermediate texture. Bug: https://bugs.openjdk.java.net/browse/JDK-8059944 Webrev can be found at: http://cr.openjdk.java.net/~serb/8059944/webrev.00 [1] http://mail.openjdk.java.net/pipermail/2d-dev/2014-June/004642.html [2] http://mail.openjdk.java.net/pipermail/2d-dev/2014-October/004870.html SwingMark on OSX 10.9.5, macbook pro retina, Intel HD Graphics 4000: Base: http://cr.openjdk.java.net/~serb/8059944/perf/swingmark/base Will run test 5 times in the same VM Setting L&F to: com.apple.laf.AquaLookAndFeel ...... Score: 54629 Fix: http://cr.openjdk.java.net/~serb/8059944/perf/swingmark/fix Will run test 5 times in the same VM Setting L&F to: com.apple.laf.AquaLookAndFeel ...... Score: 35296 J2DBench: Note that results are better on a newer devices and the fix is usually lose when 1x1 image is used ======================================================================= Windows 7 x64, lenovo T410, Intel 3200 http://cr.openjdk.java.net/~serb/8059944/perf/win_intel_hg3200/results_ogl.txt Comparison to basis: Best result: 177.62% of basis Worst result: 53.73% of basis Number of wins: 618 Number of ties: 238 Number of losses: 296 ======================================================================= OSX 10.9.5, macbook pro retina, Intel HD Graphics 4000 http://cr.openjdk.java.net/~serb/8059944/perf/osx_intel_hd4000/results.txt Comparison to basis: Best result: 22151.35% of basis Worst result: 50.28% of basis Number of wins: 880 Number of ties: 168 Number of losses: 104 ======================================================================= OSX 10.9.5, macbook pro retina, Intel Iris (HD 5100) http://cr.openjdk.java.net/~serb/8059944/perf/osx_intel_hd5100/results.txt Comparison to basis: Best result: 25422.21% of basis Worst result: 37.94% of basis Number of wins: 863 Number of ties: 193 Number of losses: 96
28-11-2014