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Fabs Forns
06-06-2010, 11:35 AM
Since I started using CS5 in the new computer (16 gigs of RAM, although using the 32 bit version), twice I got a not enough RAM message. This never happened to me in CS4, I've gotten scratch disk message, but never anything about RAM.
Do I have something wrong in the settings?
Joerg Rockenberger
06-06-2010, 11:54 AM
Hi Fabs,

Apparently, CS5 in 32 bit mode uses less memory than CS4 - almost a 1GB less in fact. See the link below. JR

http://www.macperformanceguide.com/OptimizingPhotoshopCS5-Plugins.html
Ian Cassell
06-06-2010, 12:42 PM
In 32 bit mode, can you address 16GB of RAM? Maybe I'm wrong, but I thought you needed to be running in 64Bit to do that.
Axel Hildebrandt
06-06-2010, 01:00 PM
This is why I run CS5 in 64bit mode and start CS4 if I need plugins like Viveza.
David Thomasson
06-06-2010, 01:23 PM
In Preferences > Performance, check the percentage of available RAM you're allocating to PS.

If you have a 64-bit OS, then by all means install the 64-bit version of Photoshop.

I'm on a Windows 7 system, but you can see what a difference it makes ...

http://img37.imageshack.us/img37/9117/ps642.jpg
Axel Hildebrandt
06-06-2010, 01:29 PM
David, the problem is that many of the plugins such as Viveza don't run in 64bit mode yet, at least on Macs.
David Thomasson
06-06-2010, 01:39 PM
David, the problem is that many of the plugins such as Viveza don't run in 64bit mode yet, at least on Macs.

Right, I understand, but you can run both versions of PS (not simultaneously, of course). I keep shortcuts on a toolbar so I can launch either version with one click.
Axel Hildebrandt
06-06-2010, 01:43 PM
Right, I understand, but you can run both versions of PS (not simultaneously, of course). I keep shortcuts on a toolbar so I can launch either version with one click.

Yes, this is what I do. Actually, I can run both versions at the same time and just close the image before opening it in the other PS version.
David Thomasson
06-06-2010, 01:50 PM
Yes, this is what I do. Actually, I can run both versions at the same time and just close the image before opening it in the other PS version.

That's interesting. Can't run both versions together on a PC. Or at least I can't.
PeterCollins
06-06-2010, 02:00 PM
no you cant use more then 3.2gb of ram in any 32bit application
Ian Cassell
06-06-2010, 02:02 PM
That's interesting. Can't run both versions together on a PC. Or at least I can't.

I was running both in XP on my laptop. I waited to un-install CS4 until I made sure CS5 was working and that seemed to work ok.
Richard Waas
06-06-2010, 04:09 PM
I've been running both at the same time with CS5 in 64 bit with 8gb of ram on my Mac with no problem. The plugins are coming out slowly. OnOne and Tiffen filters already out as well as Topaz in 64bit.
Fabs Forns
06-06-2010, 04:24 PM
Thank you guys!
How do I get a shortcut to switch versions?
David Thomasson
06-06-2010, 04:25 PM
I've been running both at the same time with CS5 in 64 bit with 8gb of ram on my Mac with no problem. The plugins are coming out slowly. OnOne and Tiffen filters already out as well as Topaz in 64bit.

I guess it's a Windows 7 thing. When one version of PS is running, the other won't launch. But the few plug-ins I have will run in CS5 64-bit, so I don't really need 32-bit.
David Thomasson
06-06-2010, 04:26 PM
Thank you guys!
How do I get a shortcut to switch versions?

Create two shortcuts, one for each version.
Axel Hildebrandt
06-06-2010, 04:39 PM
I put shortcuts for CS4 and CS5 in the dock. The logos are different.


Thank you guys!
How do I get a shortcut to switch versions?
Fabs Forns
06-06-2010, 04:43 PM
I see, thanks!