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Versioned storage device and method

A storage device, memory technology, applied in memory systems, memory architecture access/allocation, climate sustainability, etc., can solve problems such as increasing latency

Active Publication Date: 2019-07-16
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These additional operations add latency when executed

Method used

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  • Versioned storage device and method
  • Versioned storage device and method
  • Versioned storage device and method

Examples

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Embodiment Construction

[0020] The embodiments relate to versioned storage devices and methods. The following description is given to enable one of ordinary skill in the art to make and use the present embodiments, and is provided in the context of a patent application and its requirements. Various modifications to the embodiments will be readily apparent, as well as the general principles and features described herein. The embodiments are mainly described based on specific methods, devices and systems provided in specific implementations.

[0021] However, the methods, apparatus and systems will operate effectively in other implementations. Phrases such as "an embodiment," "one embodiment," and "another embodiment" may refer to the same or different embodiments as well as multiple embodiments. Embodiments will be described with respect to systems and / or devices having particular components. However, the systems and / or devices may include more or fewer components than those shown, and changes may ...

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Abstract

Embodiments include a storage device comprising: a memory; a controller including a memory interface coupled to the memory, the controller configured to: receive write data to write to first data stored in the memory and to store an address associated with a first differential compression value in memory; calculating a second differential compression value based on said write data and said first data; storing said second differential compression value in memory; and changing the association of addresses to References the second differential compression value instead of the first differential compression value.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application 62 / 279,655, filed January 15, 2016, the contents of which are hereby incorporated by reference in their entirety for all purposes. technical field [0003] The present disclosure relates to storage devices and, in particular, to versioned storage devices and methods. Background technique [0004] Storage devices may behave in ways that affect latency. For example, data is written to a solid-state storage device / drive (SSD) in units of pages. Blocks are created from multiple pages. Flash memory (flash memory) can only be erased in units of blocks. If some pages in a block are no longer needed, other valid pages in that block are read and written to another block to free the old block. Then the old blocks can be erased. This process is called garbage collection. [0005] Garbage collection can increase the latency of storage devices. In par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/06
CPCG06F3/0604G06F3/0635G06F3/0676G06F3/0611G06F3/0614G06F3/0679G06F3/064G06F2212/7201G06F3/0608G06F3/0659G06F12/0253G06F3/0616G06F2212/1024G06F2212/7211G06F2212/1036
Inventor A.雷扎伊T.苏瑞R.布伦南
Owner SAMSUNG ELECTRONICS CO LTD