Re: Browser with SVGAlib

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From: Sergio Masci (sergio@xcprod.com)
Date: Fri 17 May 2002 - 16:24:26 IDT


Kevin Quitt <KQuitt@ieeinc.com> wrote:
> Can be found at the URL below.  Works with SVGA lib, but is very
> slow (on a slow processor).

Please define slow processor? Could you tell us more about the system
config, type of CPU, speed of CPU, speed of system bus, type of
graphics card, type of linux distribution, amount of RAM, svgalib version,
(anything else you might consider pertinant e.g. running poyray in the
background).

I gave it a try on a 650MHz PIII notebook on both fbdev and X11. The
X11 test ran noticibly faster. However both tests were very encouraging
and I was plesently surprised.

Under fbdev I noticed that the images took much longer to load than under
X11 and looked grainy in comparison. I assume that under fbdev this
browser is reducing the colours used by the image and taking its time
doing it. When viewing a previously viewed image there is no time lag
(the image appears instantly).

The executable I built is quite small yet it works on fbdev, X11 and in a
text console. I suspect there is room for optimisation. When accessing
a remote web server over a slow link, I found a page would be rendered
several times while it was downloading. Perhaps waiting until the page has
been fully downloaded would speed things up. It would be interesting to
see this browser running side by side on a slow and fast machine to see if
the speed of the machine is the critical factor or if it is idling
somewhere.

Regards
Sergio


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