Limited resource system internal and external memory real-time replacement mechanism and mapping management method

Abstract

The invention provides a real-time internal and external memory replacement mechanism and a mapping management method for a limited resource system. The method comprises the following steps: defining a memory management structure of a memory space; defining a storage management structure of the external storage space; a task is started, and a storage resource allocation process is performed; and an internal and external memory real-time replacement mechanism during task reading and writing. The finite resource system internal and external memory real-time replacement mechanism and the mapping management method provided by the invention have the following advantages: the invention provides the finite resource system internal and external memory real-time replacement mechanism and the mapping management method, so that a mapping algorithm of data during function operation of a computer system is realized; by defining a mechanism of orderly and accurately mapping the running data between the memory space and the external memory space and replacing the running data in real time according to needs, the available memory space in the running process is expanded, and the technical requirement for completing a large number of intensive tasks under the condition that memory resources are limited is effectively met.

Description

technical field [0001] The invention belongs to the technical field of optimization of reading and writing of internal and external memory, and in particular relates to a real-time replacement mechanism of internal and external memory of a limited resource system and a mapping management method. Background technique [0002] When the system-level software is running, it needs to directly read and write the hardware memory to support the execution of system functions. The storage resources of the hardware memory in some applications are limited, and the operation of specific system functions generally requires storage space higher than a certain minimum value. Specifically, the hardware memory is generally composed of two types, an internal memory and an external memory. Most of the core functions frequently read and write the data structure, which is suitable for the use of internal memory with fast speed and small capacity; the external memory is slow but large in capacity...

AI Technical Summary

Problems solved by technology

The above methods increase the cost of the system and have requirements for system compatibility and scalability, so they have certain limitations in use

In addition, it can also be solved from the software point of view, namely: use data compression algorithm to compress the structured data in the memory, the compression effect is reflected in the compression rate, and the uncertainty is high, depending on whether the data structure and content are suitable for compression. Although this method It can alleviate the memory space limitation to a certain extent, but has the problem of poor stability

Images