Message-Id: <3.0.6.32.19990204163838.008bb180@pop.netaddress.com> X-Sender: pderbysh AT pop DOT netaddress DOT com X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32) Date: Thu, 04 Feb 1999 16:38:38 -0500 To: djgpp AT delorie DOT com From: Paul Derbyshire 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> <3 DOT 0 DOT 6 DOT 32 DOT 19990204024816 DOT 008d9720 AT pop DOT netaddress DOT com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" 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|