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Method and device for writing data and storage medium

A technology for writing data and media, which is applied in the input/output process of data processing, electrical digital data processing, input/output to record carriers, etc., and can solve problems such as performance reduction

Active Publication Date: 2020-03-17
MACRONIX INT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the performance of the whole system is reduced

Method used

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  • Method and device for writing data and storage medium
  • Method and device for writing data and storage medium
  • Method and device for writing data and storage medium

Examples

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Embodiment Construction

[0030] Embodiments according to the present invention include methods, devices, and storage media for writing data.

[0031] Hereinafter, embodiments according to the present invention will be described with reference to the drawings. Wherever possible, the same reference numbers will be used in the drawings to refer to the same or like parts.

[0032] figure 2 An apparatus 200 according to an embodiment of the present invention is shown. The device 200 includes a permanent storage device 202 for storing data. The permanent storage device 202 may be a non-volatile memory device, such as a flash memory (such as NAND flash memory), a main memory, or a phase-change memory (phase-change memory, PCM). The permanent storage device 202 has a minimum unit for reading or writing, and this unit is also referred to as an access unit here. Depending on the type of persistent storage device, the size of the access unit may be, for example, 512B, 2kB, 4kB or 8kB.

[0033] The device 2...

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PUM

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Abstract

The invention discloses a method and equipment for writing data and a storage medium. The method for writing data is used for writing data into a permanent (persistent) storage device. The method includes: storing in a temporary Combining multiple data entries of the storage device into a data unit whose size is equal to the access unit of the permanent storage device; and writing the data unit to the permanent storage device.

Description

technical field [0001] The present invention relates to data writing, and in particular to a method, device and storage medium for writing data into a data storage device. Background technique [0002] For various persistent storage devices such as NAND flash memory or phase-change memories (PCM), data writing or reading is performed in access units. That is to say, unlike random access memory where data can be written bit-by-bit, the permanent storage device has a minimum size access unit. The access unit is, for example: a NAND page (page), for example 2kB, 4kB or 8kB in size; a main memory page, for example 4kB in size; or a storage block, for example 512B in size. In this kind of permanent storage device, the write operation needs to be performed simultaneously with the entire access unit (such as a page or block), so a small amount of data smaller than the access unit cannot be written into the permanent storage device independently. [0003] In many applications, per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F12/0238G06F2212/1024G06F2212/7201G06F2212/7203G06F3/061G06F3/064G06F3/0656G06F3/0679G06F3/067
Inventor 黄伟杰黄莉君张育铭张弘升李祥邦刘庭宇刘建兴郭乃萍
Owner MACRONIX INT CO LTD