RE: How much time to count from 1 to 1e7?

[Douglas Sturim]

Okay good enough to waste a few minutes at work:

Running tic; for i = 1:1e7, end; toc

SUN Ultra Sparc 60 Dual 450 MHz 1GIG of ram Solaris 2.6 Octave 2.1.30

Averaged 40.1 seconds

Linux Dual PIII 850s with 1 gig of Ram and Redhat 7.1 Octave 2.1.34

Averaged 13.5 seconds

Linux Dual PIII 1000s with 512 Meg of Ram and Redhat 7.1 Octave 2.1.34

Averaged 12.5 seconds

Windows 2000 Running Octave 2.1.33 512 Meg of Ram Laptop with a 1000 MHz
PIII

Averaged 25 seconds

Same machine booted into Linux SUSE 7.2 with Octave 2.1.34
Averaged ~12.5 seconds

BTW: Sun charged us $3500 to for just the processor upgrade to make the
Ultra a Dual.  Just was processor and we plugged it in (expensive piece of
junk).  Question: how long do you think Sun will stay in business?

------------------------------------------------------------
Douglas Sturim          Information Systems Technology Group
address@hidden       MIT Lincoln Laboratory
(781) 981-4462          Lexington, MA 02420-9185

-----Original Message-----
From: Laurent Jacques [mailto:address@hidden
Sent: Thursday, August 09, 2001 8:18 AM
To: address@hidden
Subject: Re: How much time to count from 1 to 1e7?

On Thursday 09 August 2001 11:48, Laurent Jacques wrote:
> On Thursday 09 August 2001 10:40, Ted Harding wrote:
> > Interesting! With a P3/733MHz I get 49.123 (pretty repeatable).
> > (SuSE Linux 7.2, octave 2.0.16)
>
> And for an alpha Personal Worksation au433 (433Mhz) Red Hat 7.0 with
octave
> 2.0.16 :

Errrorrrr. It was in fact on Octave 2.1.34 (alpha-redhat-linux-gnu).
So, it is worst.

> ==
> octave:1> tic; for i = 1:1e7, end; toc
> ans = 56.531
> octave:2> tic; for i = 1:1e7, end; toc
> ans = 59.114
> octave:3> tic; for i = 1:1e7, end; toc
> ans = 57.267
> ==
>

Is it due to the gcc not very optimized for alpha ?

Laurent.



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Octave is freely available under the terms of the GNU GPL.

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