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Machine abnormity processing method, learning rate adjusting method and device

A technology of learning rate and processing method, applied in the Internet field, can solve problems such as high training cost, slow calculation or communication speed, machine abnormality processing method, learning rate, etc., and achieve the effect of solving high training cost and reducing training cost.

Active Publication Date: 2017-07-28
ZHEJIANG TMALL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a method for processing machine abnormalities, a method and a device for adjusting the learning rate, so as to at least solve the technical problem of high training costs due to the slow calculation or communication speed of some machines in the cluster

Method used

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  • Machine abnormity processing method, learning rate adjusting method and device
  • Machine abnormity processing method, learning rate adjusting method and device
  • Machine abnormity processing method, learning rate adjusting method and device

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Experimental program
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Embodiment 1

[0026] According to the embodiment of the present application, a method embodiment of a method for processing machine exceptions is also provided. It should be noted that the steps shown in the flow charts of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions , and, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0027] The method embodiment provided in Embodiment 1 of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Take running on a computer terminal as an example, figure 1 It is a block diagram of the hardware structure of a computer terminal according to a method for processing machine abnormality in the embodiment of the present application. Such as figure 1 As shown, the computer terminal 10 may include one or more (only...

Embodiment 2

[0058] According to the embodiment of the present application, a method embodiment of a method for adjusting the learning rate is also provided. It should be noted that the steps shown in the flow chart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions , and, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0059] This application provides Figure 4 The tuning method for the learning rate is shown. Figure 4 It is a flow chart of the learning rate adjustment method according to Embodiment 2 of the present application.

[0060] Step S402, obtaining the gradient calculated by the target machine.

[0061] In step S402 of this application, the gradient is the value obtained after deriving the loss function. The loss function is a method that maps an event (an element in a sample space) to an...

Embodiment 3

[0076] According to the embodiment of the present application, a device embodiment for implementing the above embodiment of the processing method for machine abnormality is also provided, and the device provided by the above embodiment of the present application can be run on a computer terminal.

[0077] Figure 5 is a schematic structural diagram of a machine abnormality processing device according to an embodiment of the present application.

[0078] Such as Figure 5 As shown, the device for processing machine abnormalities may include a first acquiring unit 502 , a judging unit 504 and a detecting unit 506 .

[0079] Wherein, the first acquiring unit 502 is configured to acquire the gradient consumption time of the target machine, wherein the gradient consumption time is used to represent the gradient-related time consumed by the target machine during the training process; the judging unit 504 is configured to Judging whether the gradient consumption time satisfies a pr...

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Abstract

The invention discloses a machine abnormity processing method, and a learning rate adjusting method and device. The machine abnormity processing method comprises obtaining the gradient consumption time of a target machine, wherein the gradient consumption time is used for representing time spent in the training process by the target machine and related to the gradient; judging whether the gradient consumption time satisfies a predetermined condition or not when being compared with a consumed time mean value obtained in advance, wherein the consumed time mean value is used for representing the mean value of time consumed in the training process by all machines in the cluster except the target machine and related to the gradient; and determining that the target machine is abnormal when the gradient consumption time satisfies the predetermined condition when being compared with the consumed time mean value. According to the invention, the technical problem that because a part of machines in the cluster are low in calculating or communication speed, the training cost is relatively-high is solved.

Description

technical field [0001] The present application relates to the Internet field, and in particular, relates to a method for processing machine abnormalities, a method and a device for adjusting a learning rate. Background technique [0002] Internet companies have a large amount of user behavior data, and usually use machine learning methods to mine useful information from these data, such as user preferences, etc., and improve user experience and Internet company revenue by mining this information. [0003] The core practice of machine learning is to find the minimum value of the loss function (the loss function is a function that measures the degree of loss and error, taking search ads as an example, that is to say, the smaller the loss function, the more likely the user will click on the search advertise). The gradient descent method (gradient, which is a vector, is the derivative of the loss function to the weight) is the most widely used method for solving the minimum val...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/2465G06Q10/04G06N20/00G06F11/3419G06F11/3495
Inventor 周俊
Owner ZHEJIANG TMALL TECH CO LTD