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Programmable mixed-precision arithmetic unit

A computing unit, precision technology, applied in the field of electronic information, to achieve the effect of high energy efficiency ratio

Active Publication Date: 2020-01-14
上海燧原科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a programmable mixed-precision arithmetic unit, aiming to solve the problem of being compatible with fixed-point and floating-point operations and having a higher energy-efficiency ratio

Method used

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Embodiment Construction

[0062] The programmable mixed-precision computing unit disclosed in the embodiment of the present application can be applied to, but not limited to, deep neural networks. In terms of computing types, it is suitable for training and inference processes; in terms of hardware, it can be set on a general-purpose central processing unit. (CPU, such as Intel / AMD x86 CPU), graphics processor (GPU, such as NVidia V100), neuron processor (such as Google TPU), field programmable gate array (FPGA and application-specific integrated circuit (ASIC).

[0063] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts ...

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Abstract

The invention provides a programmable hybrid precision operation unit which can support floating point or fixed-point multiplication and / or addition operation with various precisions, can realize multi-path concurrent low-precision operation, and can also integrally realize high-precision operation, so that the programmable hybrid precision operation unit has a relatively high energy efficiency ratio.

Description

technical field [0001] The present application relates to the field of electronic information, in particular to a programmable mixed-precision arithmetic unit. Background technique [0002] Deep neural networks are widely used in the field of artificial intelligence, and their application scenarios can be roughly divided into two types: training and inference. Among them, the inference algorithm has relatively low requirements for operation precision, and 8-bit and 16-bit fixed-point precision are mostly used; most training algorithms require 16-bit or 32-bit floating-point precision. [0003] However, the existing computing units either only support 8-bit or 16-bit fixed-point operations and are only suitable for inference; or they support floating-point operations and are suitable for training and inference, but the hardware costs are high and energy consumption is high, so they are used in inference scenarios The energy efficiency ratio is low. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F7/53G06F7/505
CPCG06F7/505G06F7/53G06F2207/3824
Inventor 刘彦赵立东
Owner 上海燧原科技有限公司
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