Adjustment method and system for cache management strategy

Abstract

The invention discloses an adjustment method and an adjustment system for a cache management strategy, relates to the field of the cache of the processor of a computer, and aims to solve the problem of reduction in system performance caused by deviation between a decision making mode of the cache management strategy and the actual demand of applying the access action in the prior art. The system comprises a working subsystem, a testing subsystem and an adjusting subsystem, wherein the working subsystem and the testing subsystem make up of the entire cache; the cache in the working subsystem is managed by the working subsystem by using a cache management strategy; the testing subsystem comprises a plurality of test groups; a different cache management strategy is adopted by each test group to manage the cache in the test group; the access failure rate information of the test groups is acquired by the adjusting subsystem; and the cache management strategy adopted by the working subsystem is adjusted according to the access failure rate information of the plurality of test groups.

Description

technical field [0001] The present invention relates to the field of computer processor cache, in particular to a method and system for adjusting a cache management strategy. Background technique [0002] Cache memory (Cache, also known as cache) is one of the important components of computer processors, and it is a kind of memory whose storage speed is between registers and memory. Using the locality principle of program execution, store the data to be accessed in the cache as much as possible. When the processor needs the data, the data can be submitted to the processor with a small time delay, thereby reducing the memory access delay and improving the The purpose of processor performance. [0003] Since the cache capacity is small, it is necessary to manage the cache effectively, and put the data required by the processor into the cache as much as possible, thereby reducing the probability of system memory access failure, reducing the memory access cost, and improving th...

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to provide a method and system for adjusting the cache management strategy, so as to solve the problem of system performance degradation caused by deviation between the decision-making mode of cache dynamic insertion strategy and the actual requirement of application access behavior in the prior art

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