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Hybrid memory data exchange processing method, system and readable storage medium

A technology of data exchange and hybrid memory, applied in electrical digital data processing, input/output process of data processing, memory system, etc., can solve the problems affecting the performance and life of hybrid memory, increase write operations, etc., to eliminate NVM wear, Improves satisfaction, eliminates NVM writes and the effect of

Active Publication Date: 2021-04-02
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When an existing data page is migrated to NVM, no matter whether the data is a new data page from external storage or from DRAM or NVM, a new memory page will be allocated for the data page, thus increasing unnecessary write operations and affecting the Hybrid memory performance and longevity

Method used

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  • Hybrid memory data exchange processing method, system and readable storage medium
  • Hybrid memory data exchange processing method, system and readable storage medium
  • Hybrid memory data exchange processing method, system and readable storage medium

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] see figure 1 , a hybrid memory data exchange processing method proposed in the first embodiment of the present invention, which includes steps S101~S103:

[0047] Step S101, when a data page migration instruction is received, data page migration is performed according to the type of the data page migration instruction.

[0048] In this...

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Abstract

The invention discloses a hybrid memory data exchange processing method and system and a readable storage medium, and the method comprises the steps: carrying out the migration of a data page according to the type of a data page migration instruction when the data page migration instruction is received; if the type of the data page migration instruction is to migrate the current data page from theDRAM to the NVM, judging whether an unused historical memory page exists in the NVM or not; and if yes, storing the current data page in a historical memory page, and writing dirty data back to the historical memory page according to the dirty data bitmap. The problems that when an existing data page is migrated, no matter whether the data is a new data page from an external memory or a DRAM (Dynamic Random Access Memory) or an NVM (Non-Volatile Memory), a new memory page is allocated to the data page, so that unnecessary write operation is increased, and the performance and the service lifeof the hybrid memory are influenced can be solved, and the practical application requirements are met.

Description

technical field [0001] The invention relates to the technical field of computer information storage, in particular to a mixed memory data exchange processing method, system and readable storage medium. Background technique [0002] With the gradual advancement of technology, the number of cores integrated in the processor continues to increase, and the demand for memory capacity of servers and cloud computing platforms continues to increase, while the growth rate of memory capacity is relatively slow. Usually, memory is mainly used DRAM (Dynamic Random Access Memory, dynamic random access memory), in order to increase the growth rate of memory capacity, the development of new memory materials has become an inevitable trend. At present, the research on new memory materials is mainly concentrated in NVM (Non-Volatile Memory, non-volatile memory ) materials, such as PCM (PhaseChangeMemory, phase change memory), MRAM (MagneticRandomAccessMemory, magnetic random access memory) an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06G06F12/0877G06F12/02
CPCG06F3/0614G06F3/0647G06F3/0679G06F12/0253G06F12/0877
Inventor 谭玉娟王佰平晏志超周传万刘铎陈咸彰
Owner CHONGQING UNIV
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