To optimize the performance of Photoshop, you should consider these things. This work best for me and you might consider trying these tips.
*You need to have a higher capacity of Memory
*Tons of RAM
*Try to set up a scratch disk
*Fast Processor
*By customizing your system so it runs efficiently, you can increase the amount of memory available to applications.
*Disable plug-ins that are not in use
*Switch off the thumbnail previews in the tool palettes never looks at these anyway and, if you name them accurately, you will not need to look at the preview either. This saves memory and processor power each time you add and update a layer.
*Keep your 5000+ fonts anywhere but in your font folder
*You can minimize the size of your files by reducing their resolution, Increasing the resolution of an image does not always improve the quality of the image, but may instead only increase its file size.
