[Okular-devel] [Bug 198151] New: Okular/PDF does display large PDF files very slowly

[Martin Bretschneider]

https://bugs.kde.org/show_bug.cgi?id=198151

           Summary: Okular/PDF does display large PDF files very slowly
           Product: okular
           Version: unspecified
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
        AssignedTo: okular-devel at kde.org
        ReportedBy: bugs at bretschneidernet.de


Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Debian testing/unstable Packages

Hi,

Okular displays large or complex PDF files quite slow on my computer (AMD64 X2
4200+, 2 GB RAM, Geforce 6600 GT with nvidia drivers). For a complex file see
the file "uestra.de_Hannover_2009.pdf" that is a map of public transport that
seems to have a lot of vector data. Okular does display it very slowly. Adobe
Reader 9.1 display is faster.

Another example is a PDF file is an advertising with a lot of bitmap data:
"mediamarkt.de_prospekt.pdf". Here Adobe Reader 9.1 is slower but even still
faster than Okular.

What do you think? Can Okular display is faster? Maybe using another CPU core
using multithreading?

TIA  Martin

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