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Mail Archives: djgpp/1999/02/04/16:39:07

Message-Id: <3.0.6.32.19990204163838.008bb180@pop.netaddress.com>
X-Sender: pderbysh AT pop DOT netaddress DOT com
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Date: Thu, 04 Feb 1999 16:38:38 -0500
To: djgpp AT delorie DOT com
From: Paul Derbyshire <pderbysh AT usa DOT net>
Subject: Re: Question about long long math on intel archs
In-Reply-To: <36B98015.22DC0E3A@mpx.com.au>
References: <3 DOT 0 DOT 6 DOT 32 DOT 19990202153421 DOT 0091a590 AT pop DOT netaddress DOT com>
<3 DOT 0 DOT 6 DOT 32 DOT 19990202173547 DOT 00915bb0 AT pop DOT netaddress DOT com>
<3 DOT 0 DOT 6 DOT 32 DOT 19990202223415 DOT 0094bda0 AT pop DOT netaddress DOT com>
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Mime-Version: 1.0
Reply-To: djgpp AT delorie DOT com

At 10:10 PM 2/4/99 +1100, you wrote:
>Hello,
>
>  Here's what my decaying 486DX2/66 running the program in a win95 dos
>box had to say....
>
>Did 1000000 long long multiplies in 2.03297 seconds.
>Did 5000000 long long multiplies in 9.61538 seconds.
>Did 10000000 long long multiplies in 17.9121 seconds.
>Did 50000000 long long multiplies in 98.341 seconds.

Interesting. My computer has only about 2.5 times the megahertz but does it
5 times as fast. Must be an extra factor of 2 in there just because it's a
pentium, an this is using vanilla GCC and not PGCC.
-- 
   .*.  "Clouds are not spheres, mountains are not cones, coastlines are not
-()  <  circles, and bark is not smooth, nor does lightning travel in a
   `*'  straight line."    -------------------------------------------------
        -- B. Mandelbrot  |http://surf.to/pgd.net
_____________________ ____|________     Paul Derbyshire     pderbysh AT usa DOT net
Programmer & Humanist|ICQ: 10423848|

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