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Information processing method, interconnection device and computer readable storage medium

A technology for interconnecting devices and devices, applied in the field of multiprocessors, can solve the problems of inability to reduce the consumption of the transmission bandwidth of the interconnection network 200 link, increase the programming complexity, and incompatible programming models.

Active Publication Date: 2020-12-11
北京壁仞科技开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This significantly increases programming complexity and makes the programming model incompatible with existing software
In addition, if the interconnection network 200 does not support multicast writing (for example, almost all on-chip interconnection networks do not support multicast writing), the transmission bandwidth consumption on the interconnection network 200 link cannot be reduced

Method used

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  • Information processing method, interconnection device and computer readable storage medium
  • Information processing method, interconnection device and computer readable storage medium
  • Information processing method, interconnection device and computer readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

example

[0109] For each multicast group,

[0110] Response processing module 260 for each interconnected device 20

[0111] For each response input interface 262 of the response processing module 260

[0112] Initialize its RRB to 0

[0113] For each processor 10, calculate the bit value of the response output interface 263 based on the second static routing policy

[0114] If the bit value of the calculated response output interface 263 is not 0, set the corresponding bit of RRB to 1

[0115] For example, in image 3 In the multiprocessor system 3 shown, if the response processing module 260 is implemented in all four interconnection devices 322, 324, 326, and 328, then at the interconnection device 326, the multicast group MGID=0 The RRB corresponding to the response input interface 262 of the physical link 344 has a bit value of 1 for the physical links 342 and 347 and a bit value of 0 for the physical link 349 .

[0116] The response duplication engine 261 of the response pro...

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Abstract

The invention provides an information processing method, an interconnection device and a computer readable storage medium. The interconnection device includes: a request processing module configured to: receive a data access request from at least one processor in a multicast group of the plurality of processors, wherein the data access request includes a merge bit, an MGID, and an MTID; determinewhether the data access request is a multicast request based on the merge bit; if it is determined that the data access request is a multicast request, determine whether the interconnection device will receive other multicast requests based on the MGID, the MTID and a static routing policy of the multicast group; and if it is determined that the interconnection device will receive the other multicast request, obtain the other multicast request, merging the multicast request and the other multicast request into a merging request, and forward the merging request to a next hop device of the interconnection device.

Description

technical field [0001] The present invention generally relates to the field of multiprocessors, and more specifically, relates to an interconnection device, an information processing method in the interconnection device, and a computer-readable storage medium. Background technique [0002] Multiprocessor systems have been widely used in many fields where a large number of calculations need to be performed quickly. A typical multiprocessor system includes multiple processors and multiple memories, which are connected together by an interconnection network composed of switches and physical transmission links. Multiple processors typically execute the same program and access the same data in memory in exactly the same order. For example, in a parallel computing system for model-parallel processing of neural networks in the field of artificial intelligence (AI), multiple processors are programmed to read the same neural network model parameters from memory and use them to proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/751H04L29/08H04L12/911H04L12/927H04L45/74H04L45/02H04L47/80
CPCH04L45/02H04L45/74H04L47/806H04L47/829H04L67/146H04L67/63H04L12/1836H04L12/185H04L12/189H04L45/20H04L45/42
Inventor 不公告发明人
Owner 北京壁仞科技开发有限公司