Computing apparatus and operating method using string caching to improve graphics performance
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Aug 15, 1996
filing date -
Aug 15, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
Various character strings are repeatedly displayed on a graphics display. For example, strings such as 'file', 'edit', 'view' and 'help' are commonly displayed on nearly every screen. This redundancy of displayed character strings is exploited using a string cache and string caching method. A string cache stores a database of strings along with the rendered forms of the strings. The string cache stores the strings in a rendered form which for particular character strings and attributes and characteristics of the strings. The string cache is stored and accessed local to a graphics accelerator so that a single string request across a system bus activates the display of the entire string, including a display of the selected attributes and characteristics.
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