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Interleaver mapping and dynamic memory management system and method

A technology of dynamic memory and management methods, applied in memory systems, memory address/allocation/relocation, instruments, etc.

Active Publication Date: 2018-11-20
INST OF SOFTWARE - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The technical problem of the present invention is to overcome the deficiencies of the prior art, and provide an interleaver mapping and dynamic memory management system and method to solve the existing problem of only statically dividing the interleaving memory space and linear memory space, so as to realize the interleaving memory Dynamic allocation of space and linear memory space to optimize computer system performance

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  • Interleaver mapping and dynamic memory management system and method
  • Interleaver mapping and dynamic memory management system and method
  • Interleaver mapping and dynamic memory management system and method

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Embodiment Construction

[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples illustrate the invention but are not intended to limit the scope of this publication.

[0030] The word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any aspect described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other aspects.

[0031] In this description, the term "application" may also include files with executable content such as: object code, scripts, byte code, markup language files, and patches. In addition, an "application" as referred to herein may also include files that are not executable in nature (such as documents that may need to be opened or other data files that need to be accessed).

[0032] The term "content" may also include files with executable content such as: object code...

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Abstract

The invention relates to an interleaver mapping and dynamic memory management system and method, and includes an interleaver mapping method and a dynamic memory management method. The interleaver mapping method includes the steps of configuring memory address mapping for two or more memory devices accessed via two or more corresponding memory channels, wherein the mapping has an interleaved regionand a linear region, the interleaved region comprises an interleaved address space for high performance usage and the linear region comprises a linear address space for a low power use condition; receiving a memory request from one or more clients, wherein the memory request includes a preference for power conservation or performance; and allocating the memory request to the linear region or theinterleaved region according to the power conservation or performance preference.

Description

technical field [0001] The embodiment of the present invention relates to memory data processing technology, and in particular to an interleaver mapping and memory management system and method. Background technique [0002] Many computing devices, including portable computing devices such as mobile phones, include a system on a chip ("SoC"). SoCs demand ever increasing power performance and capacity from memory devices, such as Double Data Rate (DDR) memory devices. These requirements resulted in faster clock speeds and wider buses, which were often divided into multiple narrower memory channels in order to maintain high efficiency. Multiple memory channels can be address interleaved to evenly distribute memory traffic among memory devices and optimize performance. Evenly distributes memory data by assigning addresses to alternating memory channels. This technique is often referred to as symmetric channel interleaving. [0003] The normal memory space arrangement corresp...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/02G06F12/0802
CPCG06F12/023G06F12/0253G06F12/0802Y02D10/00
Inventor 苏航武延军赵琛
Owner INST OF SOFTWARE - CHINESE ACAD OF SCI
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