[Haskell-cafe] Different answers on different machines

Brandon Allbery allbery.b at gmail.com
Sat Jun 1 20:11:43 CEST 2013

On Sat, Jun 1, 2013 at 1:55 PM, <nadine.and.henry at pobox.com> wrote:

> a Dell laptop and a desktop.  I compiled this message with ghc -O2
> --make ex429.lhs and ran it on each machine.  On the Dell I get:
> 136342232
> ./ex429  8.66s user 0.02s system 99% cpu 8.695 total
> When I run this exact same file on the desktop, I get:
> 98792821
> ./ex429  6.50s user 0.03s system 99% cpu 6.537 total
> Which happens to be the right answer.  But WHY is the output from the
> Dell different?
(hardware description elided)

You're missing one piece of information: do you have the 32-bit or the
64-bit ghc installed on each machine?

brandon s allbery kf8nh                               sine nomine associates
allbery.b at gmail.com                                  ballbery at sinenomine.net
unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net
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