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Method for dynamically adjusting Cache level

A dynamic adjustment and hierarchical technology, which is applied in the direction of instruments, electrical digital data processing, input/output to record carriers, etc., can solve the problems of limited capacity and high price of solid-state hard disks, etc., to improve the cache level and prolong the service life Effect

Active Publication Date: 2014-09-24
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the price of solid-state drives is high, and the capacity of solid-state drives that can be equipped with consumer electronics products on the market is quite limited.

Method used

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  • Method for dynamically adjusting Cache level
  • Method for dynamically adjusting Cache level

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Embodiment Construction

[0015] figure 1 It is a method for dynamically adjusting the cache level according to an embodiment of the present invention. The method proposed in this embodiment is applicable to an electronic device with a storage unit. The storage unit is, for example, a solid state drive (SSD), or a single level cell (SLC) NAND flash memory. Hereinafter, each method step of this embodiment will be described in detail.

[0016] First, in step S110, the electronic device may estimate the estimated lifespan of the storage unit based on the historical record of the data accessed by the storage unit. In this embodiment, the electronic device can cache data through a storage unit (for example, a solid state drive), and the data can be divided into multiple data levels according to their importance. In addition, the electronic device can define a cache level of the storage unit as a basis for whether to cache data to the storage unit. In detail, in one embodiment, a storage unit (for example, a...

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Abstract

The invention provides a method for dynamically adjusting a Cache level, which is applies to an electronic device comprising a storage unit. The method comprises steps as follows: an endurance expectation of the storage unit is estimated according to historical records of data stored in the storage unit, the data are distinguished into a plurality of data levels according to importance; whether the endurance expectation exceeds the preset service life is judged; and when the endurance expectation doesn't exceed the preset service life, the Cache level of Cache data of the storage unit is improved, and the Cache level corresponds to at least one data level whose importance is ordered ahead.

Description

Technical field [0001] The present invention relates to a method for adjusting the cache level, and more particularly to a method for dynamically adjusting the cache level. Background technique [0002] With the advancement of semiconductor technology, the capacity of memory has been greatly increased, and flash memory (flash memory) is particularly suitable for use in portable electronic devices due to its non-volatile, power saving, and small size characteristics. Therefore, in recent years, a solid state disk (SSD) using NAND flash memory as a data storage medium has emerged. [0003] The special feature of solid-state drives is that they use the characteristics of flash memory to replace the mechanical structure of traditional hard disk drives (HDDs), and access data through block writing and erasing, which can greatly improve the reading of storage devices. Write efficiency. Compared with traditional storage devices, solid state drives have the advantages of low power consum...

Claims

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Application Information

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IPC IPC(8): G06F3/06G06F12/08G06F12/0811G06F12/0897
Inventor 吴柏纬陈信宇
Owner ACER INC