System and method for providing a virtual memory architecture narrower and deeper than a physical memory architecture
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United States of America Patent
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Apr 6, 2010
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app pub date -
Mar 8, 2006
filing date -
Mar 8, 2006
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Abstract
Some embodiments provide a method of presenting virtual memory as narrower and deeper than a physical memory. The method receives a memory address location including a set of real memory address bits and a set of virtual memory position bits. The method retrieves an original memory word from a physical memory using the real memory address bits. The method shifts the original memory word by an amount determined by the virtual memory position bits by using a barrel shifter, creating a shifted memory word. The method reads a part of the shifted memory word.
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