Tag：dimension
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Time：2021-12-24
Introduction: application high availability service (AHAs) is a cloud product precipitated by Alibaba’s high availability system for many years. It takes traffic and fault tolerance as the starting point to help ensure the stability of the service from multiple dimensions such as traffic control, unstable call isolation, fuse degradation, hot spot traffic protection, system adaptive […]
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Time：2021-12-24
Best practice of Flink + Clickhouse real-time data warehouse in Guangzhou Investment Group 1、 Business background Due to historical reasons, large group enterprises often coexist with multiple A / C systems, including the financial systems provided by domestic well-known ERP manufacturers Inspur, UFIDA, Kingdee and Suda. When checking the financial voucher data, the financial personnel […]
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Time：2021-12-16
This article is from abroadtableauOriginal articles of great God,TableauThe exchange Q & a group is the only exclusive authorized organization in China and cannot be reproduced without permission! Toan Hoang: famous tableau God, data visualization freelancer andTableau MagicFounder, salsa dance coach, piano player, technology enthusiast and programmer. In addition, he Feng, a tableau fan of […]
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Time：2021-12-6
Article source|Hengyuan cloud community Original address|Dataset practice Original author | mathor To tell you the truth, Xiaobian, I admire mathor, the big man in the platform community! No, today I’ll share with you the notes of the big man’s paper. Let’s see if the next content has the knowledge you need! Start of text: If […]
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Time：2021-12-4
GCN code practice The GCN code in section 5.6 of the book does the classification on the most classic Cora data set. The appropriate and inappropriate analogy of Cora to GNN is equivalent to MNIST to machine learning. I won’t repeat the introduction of Cora after searching a lot on the Internet. Here is the […]
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Time：2021-12-3
introduction In recent years, enterprises have an increasing demand for real-time data services. This paper sorts out the performance characteristics and application scenarios of common real-time data components, and introduces how meituan constructs a real-time data warehouse through Flink engine, so as to provide efficient and robust real-time data services. Previously, our meituan technology blog […]
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Time：2021-12-1
This article is reprinted, This article mainly introduces how to use pytorch to reproduce transformer to realize simple machine translation tasks. For a detailed introduction to transformer, please refer to this articleTransformer details。 Transformer structure Data preprocessing I did not use any large data set here, but manually input two pairs of German → English […]
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Time：2021-11-30
Channel wise convolution slides on the channel dimension to skillfully solve the complex full connection characteristics of input and output in convolution operation, but it will not be as rigid as packet convolution. It is a very good idea Source: Xiaofei’s algorithm Engineering Notes official account Thesis: channelnetworks: compact and efficient revolutionary neural networks via […]
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Time：2021-11-24
catalogue 1、 Transformer introduction 2、 Detailed explanation of encoder 2.1 input part 2.1.1 Embedding 2.1.2 position embedding 2.2 attention mechanism 2.2.1 human attention mechanism 2.2.2 attention calculation 2.2.3 multi head attention calculation 3、 Residuals and their effects 4、 Batchnorm and layernorm 5、 Feedforward neural network 6、 Decoder details 7、 Transformer final output 8、 TRM interview […]
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Time：2021-11-22
1. Overall matrix of order management Population matrix 2. Order transaction Order transaction fact table Fact table normalization Some designers prefer to further standardize the fact table and retain a single and common fact quantity and dimension to distinguish measurement types. In this scenario, the fact table granularity is one line per measurement per order […]
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Time：2021-11-21
Since the outbreak of multiple related and clustered epidemics on October 17, in only seven days, the current round of epidemics has affected 11 provinces, autonomous regions and cities such as Shaanxi, Ningxia, Inner Mongolia and Beijing, and the current round of epidemics in Beijing has affected three districts. Most of the infected people have […]
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Time：2021-10-31
This paper proposes a dynamic relu, which can dynamically adjust the corresponding piecewise activation function according to the input. Compared with relu and its variants, it can bring significant performance improvement with only a small amount of additional calculation, and can be seamlessly embedded into the current mainstream model Source: Xiaofei’s algorithm Engineering Notes official […]
