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Photoshop efficiency- was: Re: 4x5 Neg Scan Resolution

2002-09-20 by Bill Morse

Hi Martin-

That does not really conform with my experience with PS- albeit on a Mac...
(but let's not go there! ;^)

With the operations that you feel are slowing down, what does the
"efficiency" box tell you is going on?  The scratch disk utilization numbers
are only numbers- they don't directly tell you whether PS is slowing down or
not.

If the efficiency goes down, then there is a problem, presumably with your
Windows memory settings.

On a Mac, PS can't use more than 1 Gig anyway, so I use 350 MB of ram as a
ram scratch disk; makes a big difference with 500 MB files.

Bill Morse
PhotoProspect
Cambridge, MA 02139

on 9/20/02 11:25 AM, Martin Wesley wrote:

> One of the problems is that PS seems to basically have an antiquated memory
> management system that does not mesh well with OS memory management. Even
> with 1.5+GB of RAM PS will preferentially spool data out of memory to disk.
> It is not uncommon to open a large file and have it all go into RAM but at
> the first action PS spools it to disk and only uses a fraction of available
> RAM.

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