Photoshop has been around for a long time, my guess is that they needed this
(private swap file ?) back in the early days of windows to give reasonable
performance but never updated the product as the underlying OSs improved
their memory management.
...Wayne
>
> Then it's disappointing to learn that PhotoShop doesn't appear to be smart
> enough to make use of more efficient resources when available. :-(
>
> Chuck Norcutt
>
>
> On 6/8/2013 12:44 PM, C.H.Ling wrote:
> > I believe PS designed to use scratch disk to memorize the changes you
> > done during editing, it is not related to how many system/photoshop
> > memory you have. The temp file will be the same size for the same
> > editing you done on the image.
> >
> > If it is related to the system or photoshop memory, then when I edit a
> > very small file it should not need a temp file but I just tried a 20KB
> > file, the temp file still increase in size when I make multiple changes
on the
> image.
> >
> > C.H.Ling
> >
> > ----- Original Message -----
> > From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
> >
> >
> >> I think your observations can only be considered relevant to your
> >> limited memory system. Full addressability to 16 or 32GB of RAM
> >> might have very different results.
> >>
> >> Chuck Norcutt
> >>
> >>
> >> On 6/8/2013 9:26 AM, C.H.Ling wrote:
> >>> Again, it is easy to check, I have done careful checking before
> >>> using Ramdisk. No matter how small the file you edit, PS will create
> >>> a temp file on the scratch disk you selected. Every time you make an
> >>> action, the file size increases. For editing a 100MB image, the temp
> >>> file can easily go over 2-3GB. A RAM scratch disk can make the
> >>> action much smoother.
> >>>
> >>> Also, I'm still using XP 32 bit, the extra RAM can only be used as
> >>> Ramdisk.
> >>>
> >>> SSD is good but I don't think it will help to speed up PS, I will
> >>> just save this money for now.
> >>>
> >>> C.H.Ling
> >
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