Communication Topology Construction for Multi-Node Processing Efficiency
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Solution Overview
Problem
Existing technologies face challenges in fully supporting the Receive-Compute-Send process on processing devices without introducing chip thread management capabilities, leading to resource wastage and inefficiencies in communication and computation, particularly in neural network training across multiple machines.
Innovation Solution
A method and system for constructing a communication topology structure among processing nodes by configuring node information, including upstream, current, and downstream nodes, allowing for efficient data routing and resource management without host intervention, enabling efficient communication and computation without complex thread management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If host intervention is used to manage communication between processing nodes, then communication can be coordinated, but communication efficiency and computation efficiency are reduced due to frequent host-node interactions
Solution Approach 1:
The processing nodes autonomously perform communication operations without requiring host intervention. Each node independently manages its own data reception, computation, and transmission tasks, enabling self-service communication that eliminates the performance overhead of frequent host-node interactions while maintaining coordinated multi-node operations
Solution Approach 2:
The communication management function is segmented from the host to individual processing nodes. Each node is equipped with independent capability to handle communication tasks, dividing the centralized host management into distributed node-level autonomy, thereby improving communication efficiency
2Adaptability or versatility
If chip thread management capabilities are introduced to support R-C-S process, then communication functionality is enhanced, but computing resources are wasted and chip area and power consumption increase
Solution Approach 1:
The processing nodes utilize existing autonomous capabilities to handle communication tasks without introducing dedicated thread management hardware. The nodes self-manage the R-C-S process using their inherent control mechanisms, avoiding the resource overhead and complexity of specialized thread management units
Solution Approach 2:
Existing processing resources are made multi-functional by enabling them to handle both computation and communication tasks. The same processing units that perform computational operations also manage communication protocols, eliminating the need for separate thread management hardware and reducing overall device complexity
3Reliability
If computing resources are allocated for thread management, then communication control is improved, but computing resources are wasted
Solution Approach 1:
Computing resources are designed to perform multiple functions including both data processing and communication control. The same processors that execute computational algorithms also manage communication protocols and coordination, ensuring full utilization of computing resources without dedicating separate resources for thread management
Solution Approach 2:
The processing nodes autonomously manage their own communication control tasks using their existing computing resources. This self-service approach ensures that communication control reliability is maintained through autonomous decision-making at each node without requiring additional dedicated resources for management functions
Data Source
AI summary
A communication configuration apparatus for constructing a communication topology structure based on a plurality of processing nodes may be included in a combined processing apparatus. The combined processing apparatus further includes an interconnection interface and other processing apparatus. The communication configuration apparatus interacts with other processing apparatus to jointly complete a computing operation specified by a user. The combined processing apparatus further includes a storage apparatus. The storage apparatus is connected to the communication configuration apparatus and other processing apparatuses, respectively. The storage apparatus is used for storing data of the communication configuration apparatus and other processing apparatus. A technical solution of the present disclosure may improve efficiency of inter-chip communication.