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Compatability of MacIntel and currenet Mac Aps

by grimgraphix / April 7, 2006 3:46 PM PDT

As I have been taking a break from projects tonight I came across this article... Bad news for creative pro users of the new Intel-based Macintosh computers: Adobe Systems has confirmed a compatible version of Photoshop?and other Creative Suite applications?will not be available until at least Spring 2007, when they expect CS3 to be released. The current suite will run on the MacTel machines thanks to the Rosetta translator technology, but performance takes a hit.

Am I to understand that OS X.4 on a MacIntel machine is different from Tiger on a G4 or G5? I'm not in any hurry to get a new mac intel chip hybrid anytime soon but I am currently considering purchasing the student priced CS2 suite from Adobe. While it is a considerable price break it is still a chunk of money... especially if it won't run as well on a new mac a year from now. Sad

I'm checking apple/google but anyone with quick, informed answers?


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(NT) (NT) BTW 2 different jump links on the previous post
by grimgraphix / April 7, 2006 4:38 PM PDT
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G4/G5/Duo Core and OS X 10.4
by mrmacfixit Forum moderator / April 7, 2006 10:52 PM PDT

The differences in 10.4 running on G4 and G5 processors is subtle and not earth shattering. It is basically exactly the same code but it has little parts of it that take advantage of the differences between the two processors.
10.4 running on a Duo Core processors is a completely different kettle of fish. It is written for a completely different type of processor and cannot be run on the G4 or G5 processors. This version of the OS is a "Universal Binary" application which means that it is processor aware and will run, natively, on either the IBM processor or the Intel one. As you install it, the correct code for the current processor is installed. All of the built-in software that comes with a new Mac as been re-written, as Universal, so that it will run natively on either processor.
For those programs that have not been converted, Apple are using a piece of software called Rosetta. Named after the famed stone, I guess, this app converts the old IBM type code into the new Intel type on the fly and, by doing this, allows programs that have not been converted to run. As they run in Emulation mode, they are slower than those that run natively. Without Rosetta, none of the existing applications will run under the Intel Processor. This is rather like the change from Motorola to IBM PowerPC processors where apps had to be re-written, an emulator was used here too, and again in the move from OS 9 to OS X. Apple has, for some considerable time, been encouraging developers to use their X11 tools to develop/convert their apps. Using Apple's tools, it is possible to code once and only make minor changes for different platforms. A checkbox, checked, will apparently produce a Universal Binary app that will run on the Intel processors. Tools like Code Warrior are not capable of compiling in the required manner. Adobe, as you have discovered, are dragging their heels but have moved up the possible release date of CS3 to an earlier time.
CS2 will run at full speed on existing IBM processor Mac's and I'm pretty sure that Adobe will be offering an upgrade path from 2 to 3 when they get their act together.

Hope this helps a little


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The signs are good
by simoncroft / April 8, 2006 3:20 AM PDT

Adobe generally has a good track record of releasing OS 'savvy' versions of its applications. If you were to go to an Intel Mac you'd still be able to use your existing version of PhotoShop but here's why I reckon Adobe will probably release a Universal Binary version faster than you buy a new machine.

1. Adobe recently released Lightroom Public Beta 2.0 in Universal Binary, which suggests it already has the building blocks sorted out.

2. Apple Aperture is potentially competition for Lightroom and PhotoShop - depending on what you specifically want from the application. A Universal version of Aperture is scheduled for release this month. Adobe is not going to watch users to migrate away from its products if it can stem the tide by updating PhotoShop.

My advice would be to buy the tools you need with confidence.

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