Speeding up a sklearn model pipeline to serve single predictions with very low latency

Speeding up a sklearn model pipeline to serve single predictions with very low latency

Speeding up a sklearn model pipeline to serve single predictions with very low latency. Writing your own sklearn functions, (for now final)

If you have worked with sklearn before you certainly came across the struggles between using dataframes or arrays as inputs to your transformers and estimators. Both bring their advantages and disadvantages. But once you deploy your model, for example as a service, in many cases it will serve single predictions. Max Halford has shown some great examples on how to improve various sklearn transformers and estimators to serve single predictions with an extra performance boost and potential responses in low millisecond range! In this short post we will advance these tricks and develop a full pipeline.

A few months ago Max Halford wrote an awesome blogpost where he described how we can modify sklearn transformers and estimators to handle single data points at a higher speed, essentially using one-dimensional arrays. When you build sklearn model pipelines they usually work with numpy arrays and pandas dataframes at the same time. Arrays often provide better performance, because the numpy implementations for many computations are high performant and often vectorized. But it also gets trickier to control your transformations using column names, which the arrays do not have. If you use pandas dataframes you might get worse performance, but your code might get more readable and column names (i.e. feature names) stick with the data for most transformers. During data exploration and model training you are mostly interested in batch transformations and predictions, but once you deploy your trained model pipeline as a service, you might also be interested in single predictions. In both cases service users will send a payload like below.

machine-learning python sklearn pipeline performance

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Pipelines in Machine Learning | Data Science | Machine Learning | Python

Machine Learning Pipelines performs a complete workflow with an ordered sequence of the process involved in a Machine Learning task. The Pipelines can also

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Machine Learning Pipelines With Scikit-Learn

A Step by Step Tutorial for Building Machine Learning Pipelines - ​ ![Image for post](https://miro.medium.com/max/619/1*86suKCX7I7v0SJNxUJmYlg.png) ​ (Image by author) ​ ### Why Pipelines? ​ The machine learning workflow consists of many steps from data preparation (e.g., dealing with missing values, scaling/encoding, feature extraction). When first learning this workflow, we perform the data preparation one step at a time. This can become time consuming since we need to perform the preparation steps to both the training and testing data. Pipelines allow us to streamline this process by compiling the preparation steps while easing the task of model tuning and monitoring. Scikit-Learn’s Pipeline class provides a structure for applying a series of data transformations followed by an estimator (Mayo, 2017). For a more detailed overview, take a look over the [**documentation**](https://scikit-learn.org/stable/modules/generated/sklearn.pipeline.Pipeline.html). There are many benefits when implementing a Pipeline: This post will serve as a step by step guide to build pipelines that streamline the machine learning workflow. I will be using the infamous Titanic dataset for this tutorial. The dataset was obtained from Kaggle.

Pipelines in Machine Learning

Machine Learning Pipelines performs a complete workflow with an ordered sequence of the process involved in a Machine Learning task.

Everything About Pipelines In Machine Learning and How Are They Used?

We will explore pipelines in machine learning and will also see how to implement these for a better understanding of all the transformations steps.