for the price of a faster dual processor upgrade card, you could buy a way way way faster dual g5. -Jonas
On Wed, Sep 9, 2009 at 11:42 AM, Bruce Johnson <[email protected] > wrote: > > > On Sep 9, 2009, at 10:20 AM, ah...clem wrote: > > > i never have other apps open when the computations are in > > progress. i compared a QS/933 to a QS/1GDP and found that on > > computations that required several hours to complete, the 933MHz was > > (within 0.5%) exactly 93.3% as fast as the dual 1 gig. the dual > > processors feature made absolutely no difference. > > > > That's because the applications in question do not use multiple CPU's. > INstall Menu Meters on oyur mac and monitor CPU use, you will notice > that one CPU maxes out while the other does virtually nothing. > > gaussian does not support multiple CPUs on OS X, only Unix/Linux > (which is dumb because OS X IS Unix, but this isn't the first time > I've run into these chem software vendors who thing Mac == OS 9) :< > http://www.gaussian.com/g_prod/g09.htm > > > > spartan Wavefront's web site makes no mention whether or not they use > multiple CPU's, but it's pretty clear from your discussion, that it > doesn't. > > Compare encoding a DVD in iDVD on one and then the other, or ripping a > CD in iTunes on one then the other. You will find that those > operations run nearly twice as fast on the dual 1G than they do on the > 933. > > > -- > Bruce Johnson > University of Arizona > College of Pharmacy > Information Technology Group > > Institutions do not have opinions, merely customs > > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list -~----------~----~----~----~------~----~------~--~---
