FLASH TRANSLATION LAYER DESIGN USING REINFORCEMENT LEARNING

Patent №

US 11,630,765

Granted

2023-04-18

Filed 2020

Owner

GOOGLE LLC

AI components

6

ml · vision · kr · planning · evo · hardware

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

17120908

The subject matter described herein provides systems and techniques to counter a high write amplification in physical memory, to ensure the longevity of the physical memory, and to ensure that the physical memory wears in a more uniform manner. In this regard, aspects of this disclosure include the design of a Flash Translation Layer (FTL), which may manage logical to physical mapping of data within the physical memory. In particular, the FTL may be designed with a mapping algorithm, which uses reinforcement learning (RL) to optimize data mapping within the physical memory. The RL technique may use a Bellman equation with q-learning that may rely on a table being updated with entries that take into account at least one of a state, an action, a reward, or a policy. The RL technique may also make use a deep neural network to predict particular values of the table.

Machine learningVisionKnowledge representationPlanningEvolutionary computationAI hardwareG06F 12/0246G06N 3/08G06N 3/092G06F 3/0604G06F 3/0655G06F 3/0679G06F 2212/1036G06F 2212/7201+3 more

AI classification

Machine learning1.00
AI hardware1.00
Evolutionary computation0.98
Vision0.96
Planning0.96
Knowledge representation0.81
Natural language0.37
Speech0.03

Ownership

GOOGLE LLC

assignment · 546640590

Assignors

SILAS, SHASHWAT, SHAHIDI, NARGES, GONG, TAO, BENITEZ, MANUEL

On an employer assignment, the assignors are typically the inventors.

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