When you work with a huge image (especially when you have multiple layers) there's a way you can save alot of memory and speed. If you do some more or less serious work I suppose you have Layers or Channels palette open. It takes Photoshop alot of time to render the image from actual size to the size of thumbnail in those palettes. So what you can do is click small triangle in the top right corner of the palette box and choose Palette Options.. menu. It lets you choose the size of the thumbnail - you simply click None. It instructs Photoshop to not render thumbnail after each operations, so it saves 20-30% of speed.

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© 1996 Nick Ustinov.