Adobe continues to insist Mac users won’t miss 64-bit support in its newly-introduced Adobe Photshop CS4 products.

The reason it’s lacking is because Apple ditched a section of underlying OS X code that Adobe used for the creation of 64-bit support, meaning the developer would have had to invest significant resources re-building its app.

But Bruce Bowman, product manager of Adobe Premiere Pro, says Mac CS4 users won’t miss 64-bit – “much”.

Adobe says running in 64-bit mode resulted in an 8 to 12 per cent speed advantage when running CPU-intensive operations, but the OpenGL support within the application should compensate for that. While 64-bit support is in development, Bowman wouldn’t say when it might debut.

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