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Multicore processor having active and inactive execution cores

A multi-core processor, inactive technology, used in the field of data processing, redundancy in data processing devices

Inactive Publication Date: 2006-09-20
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of redundancy within processor chips has been limited by the dense, irregular nature of transistor layout in processors

Method used

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  • Multicore processor having active and inactive execution cores
  • Multicore processor having active and inactive execution cores
  • Multicore processor having active and inactive execution cores

Examples

Experimental program
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Embodiment Construction

[0011] The following descriptive section describes embodiments of data processing apparatus, methods, and systems in which a multi-core processor has active and inactive execution cores. In the following description, numerous specific details may be set forth, such as components and system configurations, in order to provide a more complete understanding of the present invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In addition, certain well-known structures, circuits, techniques, etc. have not been described in detail so as not to unnecessarily obscure the present invention.

[0012] figure 1 A multi-core processor 100 is illustrated in accordance with an embodiment of the invention. A multi-core processor is a single integrated circuit that includes more than one execution core. An execution core includes logic for executing instructions. In addition to execution cores, a mu...

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Abstract

Embodiments of a multicore processor having active and inactive execution cores are disclosed. In one embodiment, an apparatus includes a processor having a plurality of execution cores on a single integrated circuit, and a plurality of core identification registers. Each of the plurality of core identification registers corresponds to one of the execution cores to identify whether the execution core is active.

Description

technical field [0001] The present invention is in the field of data processing, and more particularly in the field of redundancy in data processing devices. Background technique [0002] In general, redundancy in data processing devices has been used to improve fault tolerance, reliability and productivity. Computers have been built with redundant elements such as data storage disks to prevent data loss in the event of hardware failure. Computers can also be built with redundant components, such as processor chips, to automatically replace components that fail in use, or by executing instructions in "lockstep," that is, by executing instructions redundantly And for error detection. Some computer chips, such as memories, include circuitry that can be arranged in arrays. These chips have been built with redundant columns that can be used to replace columns that include manufacturing defects or fail after use. However, the use of redundancy within processor chips has been l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/80
CPCG06F1/3237G06F11/2043Y02B60/1221G06F11/1629G06F11/2028G06F9/5027G06F1/3203Y02D10/00
Inventor 特里格威·福萨姆
Owner INTEL CORP