Circuit and method for searching a data array and single-instruction, multiple-data processing unit incorporating the same
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United States of America Patent
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Mar 21, 2017
Grant Date -
Jan 30, 2014
app pub date -
Jul 26, 2012
filing date -
Jul 26, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Search circuitry responsive to a single instruction for undertaking a step of a search of a data array for an extreme value therein, a method of searching a data array to identify an extreme value therein and a location thereof and a single-instruction, multiple-data (SIMD) processing unit incorporating the search circuitry or the method. In one embodiment, the search circuitry includes: a comparison element configured to compare two values in the data array, (2) multiplexers coupled to the comparison element and configured to select a more extreme value of the two values and a location in the data array of the more extreme value and (3) an incrementer configured to increment a counter associated with the search.
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