Implementing coherent accelerator function isolation for virtualization

Implementing coherent accelerator function isolation for virtualization

A method, system and computer program product are provided for implementing coherent accelerator function isolation for virtualization in an input/output (IO) adapter in a computer system. A coherent accelerator provides accelerator function units (AFUs), each AFU is adapted to operate independently...

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Hauptverfasser: Schimke, Timothy J, Kotta, Srinivas, Arroyo, Jesse P, Nordstrom, Gregory M
Format: Patent
Sprache:eng
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CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Schimke, Timothy J
Kotta, Srinivas
Arroyo, Jesse P
Nordstrom, Gregory M
description A method, system and computer program product are provided for implementing coherent accelerator function isolation for virtualization in an input/output (IO) adapter in a computer system. A coherent accelerator provides accelerator function units (AFUs), each AFU is adapted to operate independently of the other AFUs to perform a computing task that can be implemented within application software on a processor. The AFU has access to system memory bound to the application software and is adapted to make copies of that memory within AFU memory-cache in the AFU. As part of this memory coherency domain, each of the AFU memory-cache and processor memory-cache is adapted to be aware of changes to data commonly in either cache as well as data changed in memory of which the respective cache contains a copy.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Implementing coherent accelerator function isolation for virtualization
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