Re: [Amforth-devel] benchmarks ;=)

[<joe...@t-...>]

-----Original Message-----
> Date: Mon, 02 Apr 2007 16:21:47 +0200
> Subject: Re: [Amforth-devel] benchmarks ;=)
> From: "Hans Hübner" 
> To: "Everything around amforth" 

> Joh,
> 
> if you meant to write 1/100s (10 ms), 

No, sorry I mean 1 pulse every 100 mikroseconds.

> using Timer0 will work just
> fine!  I had no problems running it at higher speeds, too, with my
> interrupt handler written in Forth.

it is possible to have a look at this handler...?

> 
> -Hans
> 
> 2007/4/2, joe...@t-... :
> > Hi Matthias,
> > 
> > what is your proposal to generate a (1/100us) clock (for e.g. the
> > output of a bit pattern ) in amforth? (as you wrote, the timer int.
> > isn't usable for such speed)
> > What speed can I expect when I use the word pause? Is there a
> > guarantee how often the word
> > is called per ms? Because the pulses should come in a certain time
> > distance.
> > 
> > Best regards
> > joh
> > 
> > 
> > -----Original Message-----
> > 
> > > Date: Sun, 01 Apr 2007 11:06:59 +0200
> > > Subject: [Amforth-devel] benchmarks ;=)
> > > From: Matthias Trute
> > > To: Everything around amforth
> > 
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > > 
> > > Hi,
> > > 
> > > I just run a stupid benchmark with the fib word from the blocks
> > > directory. 24 fib gives the biggest usable number (46368) on
> > > amforth.
> > > 
> > > Running a loop with 100 iterations took roughly 3'30 on an
> > > atmega32 at 16MHz. The sparring partner I choose is gforth (0.6.2,
> > > comes with ubuntu) on my 2GHz P4 system. To balance the frequency
> > > difference, gforth had to run 125 times the 100 loop. That took
> > > around 1'30.
> > > 
> > > What does it tell us? Well, nothing perhaps. Or that amforth
> > > executes 1 forth "instruction" where gforth has 2, scaled with cpu
> > > cycle clock.
> > > 
> > > Matthias
> > > -----BEGIN PGP SIGNATURE-----
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> > > iD8DBQFGD3YzLo3irIddFw4RAibBAKDBc2whzaOQcV33T4GpkI/H0/PGiwCgoSrq
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> > > 
> > > 
> >
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