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shmurmer4 01-31-2009 04:06 PM

Mac Fails, Windows FTW. (Adobe)
In a total reversal of what Windows and Macintosh users might expect, Adobe Creative Suite 4 will include 64-bit support for the Windows platform, but not for Mac.
Mac OS X users probably won't get 64-bit support until CS5, the subsequent release of the graphics editing software, according to John Nack, Adobe's Photoshop product manager

Nack attributes this unanticipated state of affairs to Apple's decision last year to halt development of 64-bit support for Carbon, a move which he says took Adobe and third-party developers by surprise. Adobe did make CS3 Intel-compatible, but kept Carbon as its core architecture.

"At the WWDC show last June, [Adobe and] other developers learned that Apple had decided to stop their Carbon 64 efforts. This means that 64-bit Mac apps need to be written to use Cocoa [instead of] Carbon," the product manager wrote in a recent blog entry.

"We'll need to rewrite large parts of Photoshop and its plug-ins (potentially affecting over a million lines of code) to move it from Carbon to Cocoa."
As Nack sees it, 64-bit support in Photoshop will offer the biggest speed advantages for working with massive images on systems with RAM of about 32GB and up. However, normal users could see an 8% to 12% performance increase when using 64-bit versions of Adobe's software compared to 32-bit copies.

That means Mac OS X users won't be able to take advantage of the performance gains in CS4, and those working with massive images will likely need to use Windows until CS5 is released further down the road.

Ironically, when Photoshop was initially released back in 1988, the software was available for Macintosh only. The product didn't even ship for Microsoft's platform until 1992, when Adobe ported Photoshop 2.0 to Windows.

Jehanzeb 02-01-2009 05:32 AM

What a bummer! I cannot believe it. Well lets wait for a year or so to get CS5...future is hopeful :D


shmurmer4 02-01-2009 11:07 PM

Well even then the only true 64bit computers have the 64bit system from AMD, (I was speaking with one of their engineers yesterday)

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