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Data writing method and device, electronic equipment and storage medium

A data writing and data technology, which is applied in the input/output process of data processing, electrical digital data processing, input/output to record carriers, etc. , restore write performance, improve performance

Pending Publication Date: 2021-12-03
SHANGHAI WINGTECH INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in the process of continuous data writing, if the above scheme is adopted, if the SLC dynamic buffer area is full, data cannot be written to the SLC dynamic buffer area, and the data will be written into the TLC at this time until this continuous The writing operation ends, resulting in a sharp decline in the performance of the storage device

Method used

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  • Data writing method and device, electronic equipment and storage medium
  • Data writing method and device, electronic equipment and storage medium
  • Data writing method and device, electronic equipment and storage medium

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Embodiment Construction

[0045] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

[0046] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.

[0047] In the SLC in the present disclosure, the voltage of the storage unit is divided into two levels, representing two states of 0 and 1 respectively, that is, storing 1 bit; in the TLC in the present disclosure, the stored voltage is divided into 8 levels , representing the eight states of 0...

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Abstract

The invention discloses a data writing method and device, electronic equipment and a storage medium. The data writing method comprises the steps of determining that the amount of data stored in an SLC dynamic cache region reaches the maximum storage amount of the SLC dynamic cache region; writing to-be-written data into the TLC, and moving the data stored in the SLC dynamic cache region to the TLC at the same time; determining that the data volume stored in the SLC dynamic cache region meets a preset condition; and stopping moving the data stored in the SLC dynamic cache region to the TLC, and simultaneously continuing to write the data to be written into the SLC dynamic cache region. According to the method, the writing performance of the storage device can be prevented from being sharply reduced during continuous data writing, so that the performance of the storage device is improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of data writing, and in particular, to a data writing method, device, electronic equipment, and storage medium. Background technique [0002] Fast flash memory storage device (Nand Flash) is widely used in various electronic products, and provides solid-state large-capacity memory for electronic products. According to the number of bits stored in each storage unit in the fast flash storage device, it is divided into single-level storage unit (Single Level Cell, SLC), multi-level storage unit (Multiple Level Cell, MLC) and triple-level storage unit (Triple Level Cell). Level Cell, TLC), wherein, SLC stores 1 bit, MLC stores 2 bits, and TLC stores 3 bits. The more bits stored in a single storage unit of a fast flash storage device, the worse the read and write performance. The shorter the life, but the lower the cost. [0003] In the prior art, by virtualizing part of the space in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0644G06F3/0647G06F3/0679
Inventor 张海斌
Owner SHANGHAI WINGTECH INFORMATION TECH CO LTD