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Can somebody explain or recommend good resource to learn how scratch files work in CS4?
I’ve seen many articles and posts but they apparently weren’t written by people who actually know what they were talking about or were related to way old versions of Photoshop.
Here is what I am looking for:
– Scratch files seem to be created even in 64 bit Photoshop with plenty of unused memory, so they are apparently not regular swap/page files. What sort of data Photoshop CS4 writes to them and why isn’t this information kept in memory instead?
– Do scratch file writes/reads occur at the same time as operating system paging? Is there any practical reason not to put PS scratch disk and OS paging file on the same physical drive?
– Do scratch files benefit more from higher bandwidth or faster seek time?
– What is the typical ratio for Photoshop CS4 for reads and writes to scratch files?
Thanks 🙂
I’ve seen many articles and posts but they apparently weren’t written by people who actually know what they were talking about or were related to way old versions of Photoshop.
Here is what I am looking for:
– Scratch files seem to be created even in 64 bit Photoshop with plenty of unused memory, so they are apparently not regular swap/page files. What sort of data Photoshop CS4 writes to them and why isn’t this information kept in memory instead?
– Do scratch file writes/reads occur at the same time as operating system paging? Is there any practical reason not to put PS scratch disk and OS paging file on the same physical drive?
– Do scratch files benefit more from higher bandwidth or faster seek time?
– What is the typical ratio for Photoshop CS4 for reads and writes to scratch files?
Thanks 🙂
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