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Activation Functions in PyTorch

Machine Learning Mastery

Last Updated on May 3, 2023 As neural networks become increasingly popular in the field of machine learning, it is important to understand the role that activation functions play in their implementation.

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Using Activation Functions in Deep Learning Models

Machine Learning Mastery

Without any activation functions, they are just matrix multiplications with limited power, regardless how many of them. Activation is the magic why neural network can be an approximation to a wide variety of non-linear function. A deep learning model in its simplest form are layers of perceptrons connected in tandem.

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How to Grid Search Hyperparameters for PyTorch Models

Flipboard

The “weights” of a neural network is referred as “parameters” in PyTorch code and it is fine-tuned by optimizer during training. On the contrary, hyperparameters are the parameters of a neural network that is fixed by design and not tuned by training.

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6 AI tools revolutionizing data analysis: Unleashing the best in business

Data Science Dojo

It has a large and active community of users and developers. PyTorch PyTorch is another open-source software library for numerical computation using data flow graphs. Some of the benefits of using PyTorch for data analysis include: It is a powerful and flexible tool that can be used for a variety of tasks.

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Amazon SageMaker model parallel library now accelerates PyTorch FSDP workloads by up to 20%

AWS Machine Learning Blog

In particular, we cover the SMP library’s new simplified user experience that builds on open source PyTorch Fully Sharded Data Parallel (FSDP) APIs, expanded tensor parallel functionality that enables training models with hundreds of billions of parameters, and performance optimizations that reduce model training time and cost by up to 20%.

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How to Visualize Deep Learning Models

The MLOps Blog

Understanding and teaching concepts: Deep learning is mostly based on fairly simple activation functions and mathematical operations like matrix multiplication. Each neuron is described through a small number of weights and an activation function. This is where visualizations in ML come in.

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Accelerate Mixtral 8x7B pre-training with expert parallelism on Amazon SageMaker

AWS Machine Learning Blog

billion (two experts, for this model architecture) are activated for any given input token; this results in improved computational efficiency relative to a dense model of the same total size. You can keep using your PyTorch FSDP training code as is and activate SMP expert parallelism for training MoE models.