20x slowdown in PNG processing when switching from JDK 1.6.0_17 to 1.6.0_18

2011-03-11 Thread Ognjen Blagojevic
Hi, (This seems to be JDK issue, but I would like to pinpoint it together with Apache FOP/xmlgraphics developers, since it has significant impact on performance.) I'm using Apache FOP 1.0 to generate a large number of PDF documents (each having 8 A4 pages). Those documents contain PNG

Re: 20x slowdown in PNG processing when switching from JDK 1.6.0_17 to 1.6.0_18

2011-03-18 Thread Ognjen Blagojevic
On 11.3.2011 12:54, Ognjen Blagojevic wrote: Having said all this, my proposal is: 1. if someone can help me to track bug further (remember, 1.6.0_17 was working just fine) we could file the bug report to Oracle, or 2. we could just add the info in FOP/xmlgraphics docs that color profile in PNG

Re: 20x slowdown in PNG processing when switching from JDK 1.6.0_17 to 1.6.0_18

2011-05-04 Thread Ognjen Blagojevic
Hi, To keep issue alive, I reported a bug: https://issues.apache.org/bugzilla/show_bug.cgi?id=51149 Regards, Ognjen On 19.3.2011 12:30, Ognjen Blagojevic wrote: Jeremias, For this particular image, with Java 6u17 I get: [DEBUG] New ImageAdapter created for key: (snip)/image-with-color

Re: 20x slowdown in PNG processing when switching from JDK 1.6.0_17 to 1.6.0_18

2011-05-04 Thread Ognjen Blagojevic
/1.0/graphics.html#support-overview On 4.5.2011 14:08, Peter B. West wrote: I suppose you have JAI installed in both 6u17 and 6u18/24? Peter West Why do you seek the living among the dead? He is not here, but is risen. On 04/05/2011, at 8:17 PM, Ognjen Blagojevic wrote: Hi, To keep issue

Memory leak bugs

2011-11-21 Thread Ognjen Blagojevic
Hi, Could someone of developers review bug 43940 [1], and possibly apply patches 1 and 2 to the trunk? Those paches will bring faster decimal formatter, which is heavily used within FOP. I also think that patches 3 and 4 should be transfered to bug 51150 [2], and bug 43940 marked as

Re: change to PNGImageReader in jdk1.6_14 impacts performance with some PNG images

2012-02-07 Thread Ognjen Blagojevic
Luis, On 6.2.2012 13:11, Luis Bernardo wrote: follows the writeRGBTo() path instead of the previous optimizedWriteTo() path. The end result is a 40% performance impact for the PNG file I have been testing with when going from jdk1.6_13 to a more recent one, like jdk1.6_30. Any ideas on how to