It was 11/11/03 10:53 am, when Liisa Hilden-Parsons wrote:
> Years ago, possibly at a Barry Colquohoun seminar too (what a nice guy!), I
> remember it being explained that Photoshop can only ever use 75% of RAM,
> even when set to 100%. However my printer goes much slower if I do that
> (PS7, 1Gb RAM), so have compromised on 85%.
>
> Any of you ACEs on the list able to put an end to our speculations and
> guesses on this matter?
Liisa
Not this one! However, here's what Marc Pawliger had to say about the
subject on another list:
> I've been told to set this at about 75%. The thing is... how do I maximise
> this when I can't tell how much memory other apps are using? Go to "process
> viewer" and make an estimate from the info there?
You need to gauge whether the machine feels slow when you are running the
usual set of application you run along with Photoshop and are working on the
usual kinds of images you work on. Then you can tune the amount of memory
Photoshop uses.
In general you can use the Efficiency indicator in Photoshop to see how much
time Photoshop is spending reading and writing data to disk vs actually
processing it. You can see the Efficiency using the popup menu at the
bottom of every document window.
If this number goes much below 85-90% that means you should give more memory
to Photoshop via the preferences. If you do that and find it takes a long
time to switch to and from Photoshop to other applications, that means you
need to add more RAM to your machine.
--marc
--/ Shangara Singh.
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