Data processing system and method having an operating system that communicates with an accelerator independently of a hypervisor

A data processing system includes one or more processors that each execute one or more operating systems. Each operating system includes one or more applications. An accelerator provides a shared resource for a plurality of the applications and has one or more input/output interfaces for the submiss...

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Hauptverfasser: Evans Matt, Zyngier Marc, Parker Jason, Persson Hakan
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creator Evans Matt
Zyngier Marc
Parker Jason
Persson Hakan
description A data processing system includes one or more processors that each execute one or more operating systems. Each operating system includes one or more applications. An accelerator provides a shared resource for a plurality of the applications and has one or more input/output interfaces for the submission of tasks to the accelerator from an application. A hypervisor manages the allocation of the input/output interfaces to the one or more operating systems and a hypervisor interface enables communication between the hypervisor and the accelerator. The system is capable of being configured such that an operating system that has been allocated an input/output interface is capable of communicating with the accelerator via the input/output interface independently of the hypervisor. A memory management unit is capable of providing an isolated region of a memory for use by the operating system while the operating system retains its allocated input/output interface.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Data processing system and method having an operating system that communicates with an accelerator independently of a hypervisor
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