Rosetta Contraindications?
in [Mac Systems]
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From: Davoud on 23 Apr 2010 09:32 Does installing Rosetta degrade the performance of the computer as a whole, or affect the performance of other apps (including 64-bit image-processing apps)? TIA! Davoud New 17" MB Pro Core i7, 8 GB/500 GB, etc. Patience rewarded! -- I agree with almost everything that you have said and almost everything that you will say in your entire life. usenet *at* davidillig dawt cawm
From: David Empson on 23 Apr 2010 09:49 Davoud <star(a)sky.net> wrote: > Does installing Rosetta degrade the performance of the computer as a > whole, or affect the performance of other apps (including 64-bit > image-processing apps)? No. It simply allows the system to run PowerPC applications. The bit you install is just one tiny component (about 4 MB). Most of the support code for Rosetta is already present, as are the PowerPC versions of all the relevant libraries and frameworks. The only speed penalty you might suffer is while you are actually _running_ a PowerPC application (via Rosetta), since it will require more CPU (on average) than a native Intel version of the same application to do the same amount of real work. The same could be said for running any native Intel application which is hogging the CPU for whatever reason. Don't leave Safari running with a web page containing Flash open while you need the CPU for something more important. If a PowerPC application is running but not doing anything, it should be using very little CPU. I have Eudora sitting idle at the moment and Activity Monitor shows it using 0.0% most of the time, with occasional blips as high as 0.3% of one CPU core. -- David Empson dempson(a)actrix.gen.nz
From: Jolly Roger on 23 Apr 2010 09:51 In article <230420100932097883%star(a)sky.net>, Davoud <star(a)sky.net> wrote: > Does installing Rosetta degrade the performance of the computer as a > whole, or affect the performance of other apps (including 64-bit > image-processing apps)? > > TIA! > > Davoud > > New 17" MB Pro Core i7, 8 GB/500 GB, etc. Patience rewarded! I can't imagine why it would. -- Send responses to the relevant news group rather than email to me. E-mail sent to this address may be devoured by my very hungry SPAM filter. Due to Google's refusal to prevent spammers from posting messages through their servers, I often ignore posts from Google Groups. Use a real news client if you want me to see your posts. JR
From: David Empson on 23 Apr 2010 09:55 David Empson <dempson(a)actrix.gen.nz> wrote: > Davoud <star(a)sky.net> wrote: > > > Does installing Rosetta degrade the performance of the computer as a > > whole, or affect the performance of other apps (including 64-bit > > image-processing apps)? > > No. It simply allows the system to run PowerPC applications. > > The bit you install is just one tiny component (about 4 MB). Most of the > support code for Rosetta is already present, as are the PowerPC versions > of all the relevant libraries and frameworks. > > The only speed penalty you might suffer is while you are actually > _running_ a PowerPC application (via Rosetta), since it will require > more CPU (on average) than a native Intel version of the same > application to do the same amount of real work. Addendum: running a PowerPC application will also require more memory than an Intel version of the same application, since Rosetta works by converting the PowerPC code to Intel code, then running that, resulting in more memory being needed to hold the translated code, and the code is probably bigger than it would be if the application was directly compiled to Intel. > The same could be said for running any native Intel application which is > hogging the CPU for whatever reason. Don't leave Safari running with a > web page containing Flash open while you need the CPU for something more > important. > > If a PowerPC application is running but not doing anything, it should be > using very little CPU. I have Eudora sitting idle at the moment and > Activity Monitor shows it using 0.0% most of the time, with occasional > blips as high as 0.3% of one CPU core. Key point is that if you quit all PowerPC applications, simply having Rosetta installed has no impact at all on native Intel applications. -- David Empson dempson(a)actrix.gen.nz
From: Davoud on 23 Apr 2010 11:04 Davoud: > > Does installing Rosetta degrade the performance of the computer as a > > whole, or affect the performance of other apps (including 64-bit > > image-processing apps)? David Empson: > No. It simply allows the system to run PowerPC applications.... Thanks very much for the quick and comprehensive reply! Davoud -- I agree with almost everything that you have said and almost everything that you will say in your entire life. usenet *at* davidillig dawt cawm
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