On Sat, 30 Apr 2011, Carsten Haitzler (The Rasterman) wrote:

> On Fri, 29 Apr 2011 17:26:23 +0200 Joerg Sonnenberger 
> <[email protected]>
> said:
>
>> On Fri, Apr 29, 2011 at 11:58:43AM +0200, Vincent Torri wrote:
>>> I'm still wondering aboutefficiency : for example, for pdf rendering,
>>> shouldn't the use of a pdf generic loader be slower than wht i can achieve
>>> in eyesight ?
>>
>> Only if you fork once per page or something like that. Give it a minimal
>> input processing like Ghostscript's X11 target and the overhead is going
>> to mostly vanish. E.g. "open", "render $page $resolution" "close" should
>> be good enough for most purposes.
>
> the generic loader does fork once.. actually it forks AND execs TWICE per load
> (once for header, once for body).

if one has to parse the file for each display of a page, then it's 
definitely not the way to use for a document viewer. It can indeed be good 
for thumbnailing, like an icon on the desktop or in a file viewer.

Vincent

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