Context dependent image caching

Abstract

A mechanism is provided that identifies certain classes of images that are likely to be re-used, and utilizes this information to manage a cache better. This may include flushing certain classes of images that are less likely to be re-used before flushing the classes that are more likely to be reused. In addition, or alternatively, other factors regarding the image may be utilized to determine whether or not caching of the image should occur.

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       8 . A method for managing an image cache in a display computer in a computer system having a host computer and a display computer, the method comprising: 
 calculating a quality rating for an image in the cache;    determining if it is appropriate to flush said image from the cache, wherein said determination is based on said quality rating; and    transmitting instructions to the display computer to flush said image if appropriate.    
   
   
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       51 . An apparatus for managing an image cache in a display computer in a computer system having a host computer and a display computer, the apparatus comprising: 
 means for calculating a quality rating for an image in the cache;    means for determining if it is appropriate to flush said image from the cache, wherein said determination is based on said quality rating; and    means for transmitting instructions to the display computer to flush said image if appropriate.    
   
   
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       69 . A program storage device readable by a machine, tangibly embodying a program of instructions executable by the machine to perform a method for managing an image cache in a display computer in a computer system having a host computer and a display computer, the method comprising: 
 calculating a quality rating for an image in the cache;    determining if it is appropriate to flush said image from the cache, wherein said determination is based on said quality rating; and    transmitting instructions to the display computer to flush said image if appropriate.    
   
   
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