Methods for migrating memory data, methods for collecting statistics on memory access popularity, chips and computer systems

The memory access popularity statistics method addresses low accuracy in existing systems by migrating data based on access frequency, optimizing data storage in high-speed and slow-access memory devices to enhance processing speed and reduce latency.

JP2026113583APending Publication Date: 2026-07-07HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
HUAWEI TECH CO LTD
Filing Date
2026-04-01
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing memory systems suffer from low accuracy in memory access popularity statistics, leading to inefficient data storage in high-speed and slow-access memory devices, affecting data processing speed and latency.

Method used

A memory access popularity statistics method that collects and analyzes access frequency to data blocks, determining their popularity, and migrates hot data to near memory and cold data to far memory, using cache lines and pages as granularities, and interleaving techniques to optimize data distribution across multiple channels.

Benefits of technology

Improves data processing speed, reduces latency, and enhances system performance by ensuring frequently accessed data is quickly retrievable from near memory, while optimizing memory bandwidth utilization.

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Abstract

To improve the system's memory access performance. [Solution] The memory access popularity statistics method collects statistics on the frequency of access by the processor to data blocks in memory based on the actions performed on memory by application programs executed by the processor, and determines the access popularity of the data block based on the access frequency. A high frequency of access by the application program to the data block indicates that the data block is highly popular, and a low frequency of access indicates that the data block is not highly popular. By moving hot data to near memory and cold data to far memory, the processor can quickly retrieve frequently accessed data from near memory, improving the system's data processing speed and significantly improving the system's access performance.
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