Something is wrong there.
Are you saving as PSB (because of the large file size?
Do you have compression disabled in Preferences? The file sizes are larger, but they save much more quickly. Even so 5 to 10 minutes sounds way too long.
Tell us some more about the scratch space. How big are the Photoshop Temp files on your primary scratch drive?
I've just set up a 20K pixel square 16 bit document. Filled a layer with noise and copied a couple of times. You can see the 14Gb temp file on the Scratch drive. I wonder how long to save?
Compression disabled. PSB size on drive 14Gb
Compression enabled. This is a six core 3930K 32Gb system
OK, I got bored after five minutes. I'll leave it saving and report back after it finishes saving (tomorrow )
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I can not say I work on Large PSB file much if at all. Working on a file over 4GB in size is not what I do. Searching my external disk the one I keep my images on the only files I have that are over 4GB in size are Windows Installs and Windows backup files. Even Video file are under 2GB in size. The largest PSD file I have is under 1GB in size. I do not think mant edit document as large as you do, On disk your Photoshop documents are most like compressed down to 4GB how large are your documents in Photoshop? Try changing your Photoshop Preferences File handling disable compressing PSD and PSB file see if saving even larger file speeds up saving.
Many thanks for your responses.
I tried saving a file w/ and w/o compression. With compression, the file took 12 minutes to save at 7.59 GB. Without compression, the file saved in a few seconds to 20.8 GB. One option might be to save w/o compression during a session, then resave with compression when I’m done for the day and can walk away while the file saves.
Photoshop describes the scratch file as 19.9G/23G (Must admit, I don’t understand the nn/nn.)
I get accumulated PhotoshopTempnnnnnnnnnnn files on my C:\ drive, Temp folder, but those are empty folders.
Regarding scratch space: My scratch disks, in order, are C:\ (internal 128.13 GB free), D:\ (internal 197.77 GB free), and M:\ (external 189.38 GB free). All are SSDs. Question: WOULD I DO BETTER TO USE THE D:\ DRIVE INSTEAD OF C:\ AS MY FIRST SCRATCH DRIVE, GIVEN THAT THE OS IS ON C:\?
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You want Photoshop scratch space on SSD if possible. You do not want your C: boot disk to fill up your system will not be performing well if it does. Their need to be free space for you system to use for temp files and new user data. Photoshop uses its scratch disk in order so if your D: is also SSD IMO it would be better to have D: as Photoshop first scratch disk. I have seem PS use over 100GB of scratch spece.
I'll switch that. Thanks, JJ.