Multiplier-based processor-in-memory architectures for image and graphics processing
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United States of America Patent
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Jan 23, 2007
Grant Date -
Dec 4, 2003
app pub date -
Apr 9, 2003
filing date -
Apr 9, 2002
priority date (Note) -
Expired
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Abstract
A Procesor-In-Memory (PIM) includes a digital accelerator for image and graphics processing. The digital accelerator is based on an ALU having multipliers for processing combinations of bits smaller than those in the input data (e.g., 4.times.4 adders if the input data are 8-bit numbers). The ALU implements various arithmetic algorithms for addition, multiplication, and other operations. A secondary processing logic includes adders in series and parallel to permit vector operations as well as operations on longer scalars. A self-repairing ALU is also disclosed.
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