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st: speed: Mac v. PC


From   Danielle H Ferry <dferry@nber.org>
To   statalist@hsphsun2.harvard.edu
Subject   st: speed: Mac v. PC
Date   Thu, 09 Jun 2005 15:18:01 -0400

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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