PyTorch and Neural Nets Review Session CS285 Instructor: Vitchyr - PowerPoint PPT Presentation

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PyTorch and Neural Nets Review Session CS285 Instructor: Vitchyr Pong Goal of this course Train an agent to perform useful tasks common training paradigm this lecture train model agent data collect data How do we train a model? How do

PyTorch and Neural Nets Review Session CS285 Instructor: Vitchyr Pong
Goal of this course Train an agent to perform useful tasks
common training paradigm this lecture train model agent data collect data
How do we train a model?
How do we train a model? neural network
How do we train a model? gradient descent neural network
How do we train a model? gradient descent neural network
What is PyTorch? Python library for… ● Defining neural networks ● Automatically computing gradients gradient descent neural network
What is PyTorch? Python library for… ● Defining neural networks ● Automatically computing gradients ● And more (GPU, optimizers, etc.) gradient descent neural network
PyTorch Alternatives TensorFlow, JAX, Chainer, … Basically all do the same
How does Pytorch work?
PyTorch: forward pass [picture from Stanford’s CS231n]
PyTorch: backward pass You define PT computes [picture from Stanford’s CS231n]
PyTorch Tutorial (Colab) https://colab.research.google.com/drive/1r_-Ow0QYPN58cfuNjZDUy4O6HUvPDxyN?usp=sharing

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