SIMD PROCESSING MODULE HAVING MULTIPLE VECTOR PROCESSING UNITS
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United States of America Patent
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Issued Date -
Sep 29, 2016
app pub date -
Mar 25, 2016
filing date -
Mar 25, 2016
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Abstract
A SIMD processing module is provided, comprising multiple vector processing units (“VUs”), which can be used to execute an instruction on respective parts (or “subvectors”) within a vector. A control unit determines a vector position indication for each of the VUs to indicate which part of the vector that VU is to execute the instruction on. Therefore, the vector is conceptually divided into subvectors with the respective VUs executing the instruction on the respective subvectors in parallel. Each VU can then execute the instruction as intended, but only on a subsection of the whole vector. This allows an instruction that is written for execution on an n-way VU to be executed by multiple n-way VUs, each starting at different points of the vector, such that the instruction can be executed on more than n of the data items of the vector in parallel.
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