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A Design Method of Consistency Protocol Based on Exclusive Data

A design method and consistent technology, applied in the fields of electrical digital data processing, digital computer components, computing, etc., to achieve the effect of reasonable design, reducing the number of communications, and simplifying the complexity of the protocol

Active Publication Date: 2021-05-18
LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The technical task of the present invention is to provide a coherence protocol design method based on exclusive data to solve how to meet the increasing technical requirements, how to improve the parallel processing capability of multi-core processors, shorten data access delays, and how to quickly realize multi-core Data Communication and Consistency Handling Issues

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  • A Design Method of Consistency Protocol Based on Exclusive Data
  • A Design Method of Consistency Protocol Based on Exclusive Data

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] as attached figure 1 As shown, a method for designing a consensus protocol based on exclusive data in the present invention, the design method includes the following seven parts:

[0027] (1) Processor part (Core1—Core4): perform data calculation and request sending;

[0028] (2) Local cache (LocalC): responsible for caching local exclusive data;

[0029] (3) Internet network system: the interconnection system of the system, which provides physical channels for system communication adaptively;

[0030] (4) Directory system: Communication between cores provides information storage, and saves the status information of local cache data in each core;

[0031] (5) Lower-level shared cache: contains local cache data of all cores and prefetched data of the system;

[0032] (6) Early access storage (YStore): responsible for caching the data ...

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Abstract

The invention discloses a method for designing a consistency protocol based on exclusive data, which belongs to the field of multi-core processor data consistency in computer architecture. The technical problem to be solved by the invention is how to meet the increasing technical requirements and how to improve the multi-core processor Parallel processing capability, shorten data access delay, how to quickly realize multi-core data communication and consistent processing. The technical solution includes the following steps: (1) The consistency information of the exclusive data between cores is stored in the directory in the form of vector pointers, and the directory adopts a differential addressing mechanism to speed up the access speed; (2) The shared data between the cores is stored in the form of a data The form is saved in the extra data cache, and the extra data cache is divided into four groups according to the memory address range, and each group can only store the data information in the corresponding address space to realize parallel access.

Description

technical field [0001] The invention relates to the field of data consistency of multi-core processors in computer architecture, in particular to a method for designing a consistency protocol based on exclusive data. Background technique [0002] With the wide application of new technologies such as high-performance computing, cloud technology, and big data processing, people have higher and higher requirements for the parallel processing capability and data access delay of multi-core processors. Therefore, how to meet the increasing technical demands, how to improve the parallel processing capability of multi-core processors, shorten the data access delay, and how to quickly realize data communication and consistent processing between multi-cores have become urgent technical problems to be solved. [0003] At present, traditional multi-core processors mostly use a directory-based consistency protocol method to record all local data information, and all local access miss dat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F15/173
CPCG06F15/17318G06F15/17331
Inventor 常大龙
Owner LANGCHAO ELECTRONIC INFORMATION IND CO LTD
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