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AW: [lcdproc] lcdproc server incredibly slow


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  • From: EHE AT CompuGROUP.COM (EHE AT CompuGROUP.COM)
  • Subject: AW: [lcdproc] lcdproc server incredibly slow
  • Date: Tue, 15 Feb 2000 09:45:55 +0100

Try www.eio.com.
I got mine (20x4) at a local surplus for around 13$.

cu
Erik

> ----------
> Von: D. Stark -
> EZW[SMTP:aostark AT ezwebtech.com]
> Gesendet: Montag, 14. Februar 2000 23:46
> An: LCDproc list
> Betreff: Re: [lcdproc] lcdproc server incredibly slow
>
> Anyone have a link to a shop online that sells the HD44780 panels? The MOs
> we have here at my office are great and everything, but the boss bought
> those, not I. Kinda expensive for my tastes. I want one for a standalone
> MP3
> box, and if I destroy one, I want to be able to afford another.
>
> Thanks,
> Derek
>
> ----- Original Message -----
> From: "Benjamin Tse"
> <tse AT morphine.apac.nokia.com>
> To: "EXT Scott Scriven"
> <toykeeper AT cheerful.com>
> Cc: "LCDproc list"
> <lcdproc AT lists.omnipotent.net>
> Sent: Monday, February 14, 2000 4:38 PM
> Subject: Re: [lcdproc] lcdproc server incredibly slow
>
>
> > On Sun, Feb 13, 2000 at 09:54:20PM -0700, EXT Scott Scriven wrote:
> > > * Benjamin Tse
> > > <tse AT morphine.apac.nokia.com>
> > > wrote:
> > > > It can cope with 8 fps at the expense of CPU speed. A 16x2
> > > > display consumes ~5% of CPU when the whole display needs to be
> > > > updated. This only happens in the CPU screen of lcdproc. The
> > > > other screens use a modest 1-2% of CPU.
> > >
> > > It uses 1-5% of the CPU? Wow.. On my system (CFontz serial
> > > LCD), the LCDd server uses a constant "0.0%" of the CPU
> > > (according to "top"), and the lcdproc client uses 0.1% - 1.0%,
> > > depending on which stat it's gathering. (the XLoad screen
> > > seems to take the most)
> >
> > 1-5% is due to the loops the CPU needs to do to maintain the
> > timing. At least it's an improvement on the 50% someone was getting 6
> > months ago :-).
> >
> > The (other) difference in the HD44780 drivers is the cost. My setup
> > cost ~$15 (AUD) plus a couple of hours over a soldering iron and
> > hacksaw :-). I believe that MO displays can be sourced on this side of
> > the planet for 5-6 times this price. (Though I reckon a PIC type setup
> > could be done in < $50.)
> >
> > I guess you get what you pay for ...
> >
> > Cheers,
> > Ben
> >
> > BTW, top in cumulative mode would give an indicative average result.
> >
> >
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>
>
>
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