Reusing adjacent SIMD unit for fast wide result generation

A system for processing instructions with extended results includes a first instruction execution unit having a first result bus for execution of processor instructions. The system further includes a second instruction execution unit having a second result bus for execution of processor instructions...

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Main Authors Hofmann, Nicol, Klein, Michael, Yifrach, Osher, Lichtenau, Cedric
Format Patent
LanguageEnglish
Published 08.03.2022
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Abstract A system for processing instructions with extended results includes a first instruction execution unit having a first result bus for execution of processor instructions. The system further includes a second instruction execution unit having a second result bus for execution of processor instructions. The first instruction execution unit is configured to selectively send a portion of results calculated by the first instruction execution unit to the second instruction execution unit during prosecution of a processor instruction if the second instruction execution unit is not used for executing the processor instruction and if the received processor instruction produces a result having a data width greater than the width of the first result bus. The second instruction execution unit is configured to receive the portion of results calculated by the first instruction execution unit and put the received results on the second results bus.
AbstractList A system for processing instructions with extended results includes a first instruction execution unit having a first result bus for execution of processor instructions. The system further includes a second instruction execution unit having a second result bus for execution of processor instructions. The first instruction execution unit is configured to selectively send a portion of results calculated by the first instruction execution unit to the second instruction execution unit during prosecution of a processor instruction if the second instruction execution unit is not used for executing the processor instruction and if the received processor instruction produces a result having a data width greater than the width of the first result bus. The second instruction execution unit is configured to receive the portion of results calculated by the first instruction execution unit and put the received results on the second results bus.
Author Hofmann, Nicol
Lichtenau, Cedric
Klein, Michael
Yifrach, Osher
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Snippet A system for processing instructions with extended results includes a first instruction execution unit having a first result bus for execution of processor...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Title Reusing adjacent SIMD unit for fast wide result generation
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