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Multicore processor system and management method of same

A technology of multi-core processor and management method, applied in the fields of electrical digital data processing, instruments, multi-programming devices, etc., can solve the problems of unpredictability and unreliable response messages.

Inactive Publication Date: 2017-08-08
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, the response messages to the above query messages will be unreliable and unpredictable

Method used

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  • Multicore processor system and management method of same
  • Multicore processor system and management method of same
  • Multicore processor system and management method of same

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Embodiment Construction

[0017] Certain terms are used in the description and claims to refer to particular elements. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. "Includes" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". In addition, the term "coupled" herein includes any direct and indirect means of electrical connection. Therefore, if it is described that the first device is coupled to the second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means.

[0018] The following description is the best embodiment for r...

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Abstract

The invention discloses a multicore processor system and management method for the same. The multicore processor system includes multiple processor cores. When a processor core goes offline, the offline processor core is mapped to a mapped processor core, which is selected from an emulated processor core and one or more online processor cores among the multiple processor cores. The emulated processor core is a software construct containing an emulated state of the offline processor core. When the multicore processor system receives a system call that is sent from a requestor to the offline processor core to request for system information from the offline processor core, the system call is re-directed to the mapped processor core. The system information is returned from the mapped processor core to the requestor in response to the system call.

Description

[0001] cross reference [0002] This application claims priority to US Provisional Patent Application Serial No. 62 / 262,417, filed December 3, 2015. The aforementioned US Provisional Patent Application is hereby incorporated by reference. technical field [0003] The invention relates to a multi-core management method. In particular, the present invention relates to a method for managing processor cores (processor cores) in a multi-core processor system. Background technique [0004] Today's latest computing systems support hot-plug technology, which allows processor cores to be turned on or off, or processor cores to be physically inserted or removed, while the operating system (OS) is running and without rebooting the system. processor core. In a multi-core processor system that supports hot-swapping, without performing a physical removal or re-insertion of the processor core, the OS can unplug the processor core to remove it from the system and re-insert the processor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/48G06F9/50
CPCG06F9/4881G06F9/5033G06F2209/483G06F9/455G06F9/5077
Inventor 邱士颜黄万庆张中和张雅婷吴明儒郑秦辉
Owner MEDIATEK INC