While profiling some code that resizes images I discovered that ~94% of the code's time is spent in sun.java2d.loops.TransformHelper.Transform(MaskBlit, SurfaceData, SurfaceData, Composite, Region, AffineTransform, int, int, int, int, int, int, int, int, int, int[], int, int). A native method. Since I have the source I started reading through the C code of this method. Eventually I arrived at line 428 and read the following comment: /* Note that on x86 Linux the choice of best algorithm varies * depending on the compiler optimization and the processor type. * Currently, the sun/awt x86 Linux builds are not optimized so * all the variations produce mediocre performance. * For now we will use the choice that works best for the Windows * build until the (lack of) optimization issues on Linux are resolved. */ Since this code will be deployed on x86 Linux and it's also the platform I'm developing on I would like to know how do I best recompile the code so as to maximize its performance on x86 Linux?
BTW, I'm running: java version "1.6.0_12" Java(TM) SE Runtime Environment (build 1.6.0_12-b04) Java HotSpot(TM) Server VM (build 11.2-b01, mixed mode) Thank you. [Message sent by forum member 'dfoster' (dfoster)] http://forums.java.net/jive/thread.jspa?messageID=341092 =========================================================================== To unsubscribe, send email to lists...@java.sun.com and include in the body of the message "signoff JAVA2D-INTEREST". For general help, send email to lists...@java.sun.com and include in the body of the message "help".
