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A reconfigurable optical interconnect structure and a communication method for a storage system

A storage system and interconnection structure technology, which is applied in the storage system-oriented reconfigurable on-chip optical interconnection structure and communication field, can solve the problem of not considering the allocation of storage resources, poor scalability of the scheme structure, and low parallelism of memory access communication To achieve flexible and dynamic configuration, improve resource utilization, and improve scalability

Active Publication Date: 2019-01-25
XIDIAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this scheme does not consider the allocation of storage resources when multiple applications run in parallel, and cannot allocate storage resources in a timely and reasonable manner according to the needs of different applications. The scalability of the scheme structure is poor, and based on wavelength routing The communication method of the structure only satisfies the parallel communication of four storage interfaces, and the parallelism of memory access communication is low

Method used

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  • A reconfigurable optical interconnect structure and a communication method for a storage system
  • A reconfigurable optical interconnect structure and a communication method for a storage system
  • A reconfigurable optical interconnect structure and a communication method for a storage system

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Embodiment 1

[0053] refer to figure 1 , a reconfigurable on-chip optical interconnection structure for storage systems, including optical interconnection layers and electrical layers distributed up and down, the optical interconnection layer and the electrical layer are not in contact with each other, wherein:

[0054] The optical interconnection layer includes N groups of optical interconnection sub-networks 1 arranged in an a×b array, N=2, a=1, b=2, a is the number of rows of the array, b is the number of columns of the array, The array arrangement method can effectively improve the aspect ratio of the overall layout of the on-chip optical interconnect subnet, so that more optical interconnect subnets can be arranged on a chip with a fixed area, which is conducive to the overall expansion of the system;

[0055] refer to figure 2 , the optical interconnection sub-network includes nine optical waveguides W1, W2, ..., W9 etched on the silicon substrate, and twenty-four broadband microrin...

Embodiment 2

[0073] The structure of embodiment 2 is identical with the structure of embodiment 1, and following parameter has been adjusted:

[0074] The optical interconnection layer includes N groups of optical interconnection subnets 1 arranged in an a×b array, N=3, a=2, b=2; the electrical layer includes N groups of memory modules arranged in an a×b array, a=2, b=2.

[0075] refer to Figure 6 , a communication method for a storage system-oriented reconfigurable on-chip optical interconnection structure, comprising the following steps:

[0076] Step 1) System configuration initialization:

[0077] Step 1a) The control unit generates control information according to the number of independent running applications of the system and the number of storage modules required by each application, and determines the broadband microring resonator that needs to be turned on in the control information according to the reconstruction configuration table of the optical interconnection subnet numb...

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Abstract

The invention provides a reconfigurable optical interconnect structure and a communication method for a storage system, which is used to realize the dynamic configuration of storage resources requiredby multi-application, and improves the scalability and communication parallelism of the existing on-chip petition memory optical interconnect structure, the on-chip optical interconnect structure comprises an optical interconnect layer and an electrical layer distributed above and below, the optical interconnect layer includes a plurality of sets of optical interconnect subnets arranged in an array, the optical interconnect subnet includes eight equally spaced broadband microring resonators coupled to each side of one of the nine optical waveguides, and the eight crossing points formed by theother eight optical waveguides are each coupled to a broadband micro-ring resonator, the optical interconnection network path composed of a plurality of wideband micro-ring resonators and a pluralityof optical waveguides and capable of connecting different numbers of memory modules can be controlled by the control unit of the electric layer. The memory access request information sent by the processor module and the feedback information returned by the memory module are transmitted through the optical interconnection network path.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to an on-chip optical interconnection structure and a communication method, in particular to a reconfigurable on-chip optical interconnection structure and a communication method oriented to a storage system, which can be used for multi-application parallel operation under an on-chip processor core storage access communication, to realize the optical interconnection network between the processor core and the storage module to be reconfigured according to the number of applications and the number of required storage resources. Background technique [0002] As the performance requirements of high-performance computing applications for on-chip multi-core computing systems continue to increase, the number of on-chip processor cores increases to provide more powerful computing capabilities, and the communication requirements for processor cores to access storage systems are also furth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/173G06F15/78
CPCG06F15/17387G06F15/7807
Inventor 顾华玺王玥朱樟明王琨王康
Owner XIDIAN UNIV