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Re : st: speed: Mac v. PC


From   Naji <nassar@noos.fr>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re : st: speed: Mac v. PC
Date   Fri, 10 Jun 2005 13:09:06 +0200

Danielle,

One reason : your data file exceeds the MAC memory..
If you have some time giving a try with 20% of the data..

Regards
Naji

Le 9/06/05 21:18, « Danielle H Ferry » <dferry@nber.org> a écrit :

> Hi Statalisters,
> 
> I've discovered that my ~2.5 year-old PC runs Stata jobs about twice as
> fast as my brand new Mac. I am wondering - is this expected performance?
> 
> The relevant info:
> Stata 9 on both machines, kept up-to-date
> Mac: iMac running Tiger (2GHz PowerPC G5, 1GB RAM)
> PC: Dell Dimension 8300 runing Win XP Prof (Pentium 4 3GHz, 2GB RAM)
> 
> (I realize you can't compare processor speeds.)
> 
> Example from a large job:
> Job: Infile ~85 vars (x obs) from a file of size ~1.5GB - resulting
> dataset size 675KB
> Mac time: ~6-7 min
> PC time: ~3 min
> 
> Can anyone comment on this?
> 
> ----
> Danielle H. Ferry
> National Bureau of Economic Research
> 365 Fifth Ave., 5th Floor
> New York, NY 10016
> 
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