In-memory computing circuit chip based on magnetic cache and computing device

A computing circuit and magnetic technology, applied in the computer field, to achieve the effect of increasing data storage capacity, high density, and large capacity

Pending Publication Date: 2021-10-22
NANJING HOUMO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the reading of weight data can be avoided, the input and output

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  • In-memory computing circuit chip based on magnetic cache and computing device
  • In-memory computing circuit chip based on magnetic cache and computing device
  • In-memory computing circuit chip based on magnetic cache and computing device

Examples

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Example Embodiment

[0028] Next, an exemplary embodiment according to the present disclosure will be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely a part of the embodiments of the present disclosure, not that the embodiments of the present disclosure, to be understood, and the present disclosure is not limited by the example embodiments described herein.

[0029] It should be noted that the relative arrangement of the components and steps set forth in these embodiments, unless otherwise specified, the digital expression and the numerical value are not limited to the scope of the disclosure.

[0030] Those skilled in the art will appreciate that "first", "second" in the present disclosure is only used to distinguish different steps, devices or modules, etc., neither represent any particular technical meanings, nor Inevitable logic order.

[0031] It should also be understood that in the present disclosure embodiment, "multiple" may ref...

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Abstract

The embodiment of the invention discloses an in-memory computing circuit based on a magnetic cache, and the circuit comprises at least one magnetic cache unit, at least one in-memory computing unit, and a timer. The magnetic cache unit in the at least one magnetic cache unit is used for caching data output by the corresponding in-memory computing unit as to-be-processed data within the corresponding data retention time; the timer is used for respectively setting data retention time for the at least one magnetic cache unit; and the in-memory computing unit in the at least one in-memory computing unit is used for extracting the data to be processed from the corresponding magnetic cache unit for calculation and outputting the computed data to other magnetic cache units. According to the embodiment of the invention, the invention achieves the flexible adjustment of the data retention time of the magnetic cache unit in various in-memory calculation scenes, and achieves the provision of a high-capacity cache for the data needed by in-memory computing under the lower power consumption.

Description

technical field [0001] The disclosure relates to the technical field of computers, in particular to an in-memory computing circuit, chip and computing device based on a magnetic cache. Background technique [0002] With the rapid development of artificial intelligence (AI) and Internet of Things (IoT) applications, frequent and massive communication between the central processing unit (CPU) and the memory circuit (Memory) is required via limited bus bandwidth. Data transmission is also recognized as the biggest bottleneck in the current traditional von Neumann architecture. As one of the most successful algorithms applied to image recognition in the field of artificial intelligence, deep neural network needs to do a lot of reading and writing, multiplication and addition operations on input data and weight data. This also means that a larger number of data transfers and more power consumption are required. It is worth noting that under different AI tasks, the energy consum...

Claims

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Application Information

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IPC IPC(8): G11C11/16G06N3/04G06N3/063
CPCG11C11/1675G06N3/063G06N3/045
Inventor 吴强常亮司鑫陈亮沈朝晖
Owner NANJING HOUMO TECH CO LTD
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