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I'm working with the latest version of PS in Windows 10, processing very large files (e.g., 35+GB) on a very capable computer (e.g., 96GB RAM). When I perform certain operations, like duplicating a layer from one .psb file into another or converting a smart object to layers, PS sometimes performs the operation almost instantaneously. At other times, PS will cycle several times through a series of loading>preparing>scaling>preprocessing operations, often taking several minutes. I can't identify any trigger that differentiates the instantaneous vs. the long-cycle operation. Does anyone know if there is any way to circumvent these endless processing cycles?
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96GB RAM is quite something … but with 35GB files that is almost spent once two images are opened so the Scratch Disk/s will probably be a major factor.
Does minimizing History States to 1 and disabling »Automatically Create First Snapshot« have a noticable effect?
https://helpx.adobe.com/photoshop/kb/optimize-photoshop-cc-performance.html
https://helpx.adobe.com/photoshop/using/scratch-disks-preferences.html
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Thanks for the reply. I know history states chew up scratch disks rapidly. What puzzles me is the inconsistency. I don't understand why, e.g., I can duplicate a layer almost instantaneously at one point but, next time I try it, it may take 4-5 minutes. The difference is not attributable to the one layer being simple and the other complex (filters, etc.). Let me try disabling First Snapshot. That seems like it might play a role. Thanks, again.