Re: Just when does an application commit to PowerPC vs. Intel?
Re: Just when does an application commit to PowerPC vs. Intel?
- Subject: Re: Just when does an application commit to PowerPC vs. Intel?
- From: Chris Espinosa <email@hidden>
- Date: Wed, 11 Jan 2006 10:08:05 -0800
On Jan 11, 2006, at 9:59 AM, Robin Lake wrote: Let's say I have a Universal Binary application. Does this application become fixed to one hardware or the other (A) at the time it is installed or (B) at the time it is launched?
The situation will be a PowerPC Mac networked to an IntelMac. The PowerPC Mac desktop can show the IntelMac file system and I wonder if I can launch a .app on the Intel?
Applications are not "fixed to one hardware." A Universal Binary has both PPC and Intel code in its Mach-O executable. If two users are sharing a networked copy of that application, PPC users will map in the PPC code, and Intel users will map in the Intel code.
This is technology that was deployed by NeXT back in the NeXTStep days, where the dominant paradigm was server-based app images being shared by users on a variety of platforms, and it works well.
Chris
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