METHOD AND DEVICE FOR ACCESSING DATA VISITOR DIRECTORY IN MULTI-CORE SYSTEM

Title:

METHOD AND DEVICE FOR ACCESSING DATA VISITOR DIRECTORY IN MULTI-CORE SYSTEM

Document Type and Number:

WIPO Patent Application WO/2016/131175

Kind Code:

A1

Abstract:

Disclosed are a method for accessing a data visitor directory in a multi-core system, a directory cache device, a multi-core system and a directory storage unit. The method comprises: receiving a first access request sent by a first processor core, the first access request being used for accessing a table entry, corresponding to a first data block, in a directory; determining that a first single-pointer table entry corresponding to the first data block exists in a single-pointer table entry array according to the first access request; and when it is determined that a first shared table entry associated with the first single-pointer table entry exists in a shared table entry array according to the first single-pointer table entry, determining a plurality of visitors of the first data block according to the first shared table entry. The embodiments of the present invention can save storage resources occupied by a directory.

Inventors:

GU XIONGLI (CN)
FANG LEI (CN)
CAI WEIGUANG (CN)
LIU PENG (CN)

Application Number:

PCT/CN2015/073192

Publication Date:

August 25, 2016

Filing Date:

February 16, 2015

Export Citation:

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Assignee:

HUAWEI TECH CO LTD (CN)

International Classes:

G06F12/08

Foreign References:

CN101859281A	2010-10-13
CN104133785A	2014-11-05

Other References: