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Using default settings it looks like CS requires a LOT more RAM than Photoshop 7 to open a program, so much RAM that you’ll be working off the scratch disk almost from the time you load a big file, which is really going to slow things down.
Maybe I’m doing something wrong … take a look at these numbers and see if they make sense …
111 Mbyte file opens in 7 eating 262 Mb of RAM while in CS the "Scratch Sizes" indicator option on the bottom-left of the window says it takes 720 Mb, or more than 600 Mb over the file size just for overhead. This is before any other operation has taken place, just opening the file.
328 Mb file takes 519 Mb in 7 but 1,005 Mb in CS.
552 Mb file needs 783 Mb in 7 but 1,300 Mb in CS.
Basically even if you have the maximum 2 GB of RAM and assign a high percent of it to Photoshop you’re still unable to work in RAM for more than a couple of operations, which is not very nice at all. (2 GB shows up as 1777 MB in the Preferences box for ‘Available RAM’ and assigning 80% to Photoshop gives you
1.35 GB in the ‘Scratch Sizes’ monitor window).
Any of the Adobe designers care to comment on ways I might cut down on the overhead, or is this just something we have to live with. As a frequent user of large files I have to say this is a disappointment.
Bill
Maybe I’m doing something wrong … take a look at these numbers and see if they make sense …
111 Mbyte file opens in 7 eating 262 Mb of RAM while in CS the "Scratch Sizes" indicator option on the bottom-left of the window says it takes 720 Mb, or more than 600 Mb over the file size just for overhead. This is before any other operation has taken place, just opening the file.
328 Mb file takes 519 Mb in 7 but 1,005 Mb in CS.
552 Mb file needs 783 Mb in 7 but 1,300 Mb in CS.
Basically even if you have the maximum 2 GB of RAM and assign a high percent of it to Photoshop you’re still unable to work in RAM for more than a couple of operations, which is not very nice at all. (2 GB shows up as 1777 MB in the Preferences box for ‘Available RAM’ and assigning 80% to Photoshop gives you
1.35 GB in the ‘Scratch Sizes’ monitor window).
Any of the Adobe designers care to comment on ways I might cut down on the overhead, or is this just something we have to live with. As a frequent user of large files I have to say this is a disappointment.
Bill
How to Improve Photoshop Performance
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