Vista 64 bit and CS3

T
Posted By
timbgray
Apr 13, 2007
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254
Replies
4
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Closed
I’m familiar with the 3 gig switch in xp.

If I have Vista 64bit and 4 gig ram, how much will CS3 use out of the box, and is there a similar tweak that needs to be enabled to use more memory?

Thanks.
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RB
Robert_Barnett
Apr 15, 2007
I would guess that since CS3 is a 32-bit application and not a 64-bit one that it would have the same memory usage limits that it would have with a 32-bit OS. The OS can’t make an application use something it was never designed to use.

Robert
B
Buko
Apr 15, 2007
Read this

<http://blogs.adobe.com/scottbyer/2006/12/64_bitswhen.html>
AP
Andrew_Pietrzyk
Apr 15, 2007
OS does make a difference.

With 4GB of RAM installed I can allocate 3255MB for CS3 under Vista 64-bit vs. 2664MB under XP-32 (with 3GB switch) or 1.7GB w/o switch.
RB
Robert_Barnett
Apr 16, 2007
Interesting read. So 32-bit apps on a 64-bit OS can use more memory. Neat. It also sounds like Photoshop will make the jump to 64-bit when and only when there are far more users using a 64-bit OS. Otherwise the 64-bit version of Photoshop will suffer because of time, man power and funding issues with getting it fully converted over and the 64-bit version is feature for feature right on with the 32-bit version of Photoshop. Makes sense.

Robert

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