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Question #232820 on qpdfview changed:
https://answers.launchpad.net/qpdfview/+question/232820

Description changed to:
I don't think this is a "bug" per se, hence I'm posting this (for now)
as a question:

1)
There are some pdf's (esp. those containing large pictures) that take long to load (qpdfview shoes the "clock").

2)
I'm on a dated, venerable machine (IBM Thinkpad X41, pimped afap: 1.5gb RAM, SSD).

3)
In qpdfview, I've got the standard/default settings set for

  a)
Cache size (32mb)

  b)
Prefetch (disabled)

For a given (non-tweaked) pdf-file, what would efficiently & effectively
expedite pdf page loading in qpdfview?

For instance, I would doubt that "Prefetch" would help, if the first
page contains a large image. Neither that increasing the "Cache size"
would.

Hence, I think it comes down to hardware (or improved
algorithms/software), but that at present there is nothing I can do
about it, right?

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