My work does not entail using large files (being essentially web oriented), but I did forward some correspondence to a (to my mind) learned friend who has a much deeper knowledge of OSX than I do.
Here is his reply. He is not professing to have an answer - but it might help.
"You had any experience like this?
Nope. But haven't played with any really big files.
But I seem to recall one item of advice from Adobe for maximum performance is to change the RAM allocation to 75% rather than the default 50% (but no higher than 75%).
If it's under Panther, I believe there have been suggestions that Journaling being on causes a problem with PS in some circumstances.
It can be switched off via Disk Utility (Command J)."
Best
Francis Webshot Ltd
On 14 Nov 2003, at 22:27, Ian Watts wrote:
Graeme Bulcraig wrote:
Having major problems as well. PS CS running terribly slow on G5 Dual. One click of healing brush brought up moving timer bar! Have gone back to PS 7 until I can get to bottom of problem.
You can add me to this list to. Photoshop CS has seemed fine with 20-50MB
sized images but as soon as I started working on some 16bit 200MB scans
today I was surprised to have wait 3-4 seconds each time I clicked the
healing brush. I had put this down to the fact that I was working on a 1ghz
PB rather than my usual dual G4 (which is away being repaired) but now I'm
wondering if CS has some problem dealing with large files? Perhaps this is a
10.3 Panther thing?
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