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Why is Photoshop CS6 so slow?

Aug 31, 2013 10:33 PM

Tags: #photoshop #slow #tif_files

I have allocated 60-70% ram to Photoshop already, but when working with a 24mb tif file, Photoshop is slow.

When working with smaller (ex. 18mb) tif file, Photoshop runs fine.

 

In the Activity Monitor, the CPU usage of Photoshop rarely hits 100. So I think I have enough ram.

 

I have a 27" imac,

   • 2.9GHz  2.9GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB L3 cache,

   • 1TB (7200-rpm) hard drive

   • NVIDIA GeForce GTX 660M graphics processor with 512MB of GDDR5 memory

 

Help please. Thanks.

 
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