Thanks Andreas ! But is possible,is not my sensation but is a customer's sensation(.....) that the change from release 0.93 to 0.95 can decrease the performance?
Andreas Delmelle-2 wrote: > > > On 17 Nov 2008, at 14:17, pedro wrote: > > Hi > >> my target is to improve the speed of my print process. >> I have a report tha is created by an AreaTreeProcessor and then is >> displayed by Acrobat and is too slow. >> I debug the application and i see that the creation process have >> appreciable lifetime, > > You mean the creation of the area tree? So that the issue is about the > speed of the area-tree-to-pdf rendering? > > In that case, there are known performance drawbacks in parsing the > area tree (mainly due to a large number of Map lookups, some > suboptimal parsing of the values into Trait objects, and the > relatively large number of container-objects, IIC). > > This is precisely one of the key reasons why Jeremias is currently > working on an alternative approach for a FOP-native Intermediate > Format. If I've been following correctly, then the branch in question > is nearing completion, and will be merged back into the trunk in the > very near future. > > Read some more at: > http://wiki.apache.org/xmlgraphics-fop/AreaTreeIntermediateXml/NewDesign > > In short: I'm not sure whether there is an immediate solution for your > problem right away. > > On top of that, IIRC, for standard PDF files, the reader would still > need the whole file before it is able to say anything about the first > page. In basic PDF, the document catalog dictionary, which contains > the info about the document structure, is the final object in the > stream. > For local files the delay for loading the file in-memory (or reading > ahead) is at most a few seconds, but for remote access, if you have > large PDF streams and a bad connection, this can easily reach the > magnitude of minutes. > > > Cheers > > Andreas > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/Improve-speed-tp20539219p20555470.html Sent from the FOP - Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
