[poppler] poppler really slow when reading some documents

[Brad Hards]

On Tuesday 03 January 2006 20:18 pm, Christian Krause wrote:
> On 1/3/06, Brad Hards <bradh at frogmouth.net> wrote:
> > On Tuesday 03 January 2006 13:46 pm, Christian Krause wrote:
> > > I've noticed that poppler based pdf readers are incredibly slow when
> > > rendering the serial ata specification. (Available
> > > http://www.serialata.org/specifications.asp:
> > > http://www.serialata.org/docs/serialata10a.pdf)
> > > Slow means, that there is not even a single page displayed within 20
> > > minutes. Acroread can display the document within seconds. ;-)
> >
> > I'm not seeing this problem with the current (cvs HEAD) version. I do see
> > it with the xpdf on my old Fedora Core 2 box. It takes a few seconds to
> > load the first page, then about half a second after that.
>
> This is strange, really strange. Or the problem depends on something
> else (compiler, glibc)?
>
> If you strace -f evince, do you see the large amount of  mmap2/munmap
> calls, too?
No evince.
> > Can you retest with the latest from cvs?
>
> Sure. No difference. It is too slow to show the document:
Not with evince. Can you try with the test applications inside poppler 
(especially qt4/tests/test-poppler-qt4 )?
Can you try with KPDF from KDE 3.5?
It does seem to be a problem with the glib test app. Maybe it could be in the 
glib bindings?

> f7933f828c04d7e07c5c43c604a8a065  /tmp/serialata10a.pdf
same.

Brad
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