> On 21 Mar 2015, at 08:02, Tilman Hausherr <thaush...@t-online.de> wrote: > > Am 20.03.2015 um 09:14 schrieb Andreas Lehmkühler: >> Hi, >> >> >>> Tilman Hausherr <thaush...@t-online.de> hat am 19. März 2015 um 23:30 >>> geschrieben: >>> >>> >>> I'm testing preflight on the Rackspace server of Tim Allison. Preflight >>> is very slow, and I narrowed this to >>> PDColorSpace.toRGBImageAWT(), there to the line >>> >>> op.filter(src, dest); >>> >>> Initialization of a CMYK based PDIndexed colorspace takes between 1 and >>> 4 seconds :-( On my W7 system, it takes about 50ms. >>> >>> Java installed on the server: >>> >>> java version "1.7.0_75" >>> OpenJDK Runtime Environment (rhel-2.5.4.2.el7_0-x86_64 u75-b13) >>> OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode) >> According to [1] it seems to be a regression within newer versions >1.7.0_25 >> of >> the OpenJDK >> >> BR >> Andreas >> >> [1] >> https://bugs.openjdk.java.net/browse/JDK-8041125?page=com.atlassian.streams.streams-jira-plugin:activity-stream-issue-tab > > Yeah, I should have googled it... or have remembered that we discussed this > before and even have a workaround: > https://issues.apache.org/jira/browse/PDFBOX-2230 > > (Sadly, the workaround doesn't make a difference :-( ) > > Maybe this can also explain why JDK8 was so slow when I installed it a few > months ago. I deinstalled it a few hours later. >
Yes, unfortunately the JDK switched from Kodak CMS (fast) to LCMS (slow). — John > Tilman > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org > For additional commands, e-mail: dev-h...@pdfbox.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@pdfbox.apache.org For additional commands, e-mail: dev-h...@pdfbox.apache.org
