pytorch-examples | Simple examples to introduce PyTorch | Machine Learning library

 by   jcjohnson Python Version: Current License: MIT

kandi X-RAY | pytorch-examples Summary

kandi X-RAY | pytorch-examples Summary

pytorch-examples is a Python library typically used in Artificial Intelligence, Machine Learning, Deep Learning, Pytorch, Numpy applications. pytorch-examples has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. However pytorch-examples build file is not available. You can download it from GitHub.

This repository introduces the fundamental concepts of PyTorch through self-contained examples.
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            kandi-support Support

              pytorch-examples has a medium active ecosystem.
              It has 4427 star(s) with 939 fork(s). There are 147 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 7 open issues and 22 have been closed. On average issues are closed in 146 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of pytorch-examples is current.

            kandi-Quality Quality

              pytorch-examples has 0 bugs and 0 code smells.

            kandi-Security Security

              pytorch-examples has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              pytorch-examples code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              pytorch-examples is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              pytorch-examples releases are not available. You will need to build from source code and install.
              pytorch-examples has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions are not available. Examples and code snippets are available.
              pytorch-examples saves you 136 person hours of effort in developing the same functionality from scratch.
              It has 342 lines of code, 8 functions and 10 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed pytorch-examples and discovered the below as its top functions. This is intended to give you an instant insight into pytorch-examples implemented functionality, and help decide if they suit your requirements.
            • Reads the readme in the given in file and writes it to the output file .
            • Perform a backward reduction
            • Initialize parameters .
            • Perform a forward reduction on the given data point
            • Build the readme .
            Get all kandi verified functions for this library.

            pytorch-examples Key Features

            No Key Features are available at this moment for pytorch-examples.

            pytorch-examples Examples and Code Snippets

            Maintenance Instructions,Testing the binaries,Testing a set of binaries
            Shelldot img1Lines of Code : 105dot img1License : Permissive (MIT)
            copy iconCopy
            for torchver in 1.3.1; do 
                for cuversion in 92 100 101; do 
                    for pyversion in 3.5 3.6 3.7; do 
                        conda env remove -n torch${torchver}_${cuversion}_py${pyversion} ; 
                        conda create -n torch${torchver}_${cuversion}_py${py  
            HyperSched,Advanced Usage
            Pythondot img2Lines of Code : 68dot img2no licencesLicense : No License
            copy iconCopy
            # trainable.metric = "mean_accuracy"
            sched = HyperSched(
                num_atoms,
                scaling_dict=get_scaling(
                    args.trainable_id, args.model_string, args.data
                ),  # optional model for scaling
                deadline=args.global_deadline,
                resource_policy=  
            default
            Pythondot img3Lines of Code : 56dot img3no licencesLicense : No License
            copy iconCopy
              resnet18 : 0.004030
               alexnet : 0.001395
                 vgg16 : 0.002310
            squeezenet : 0.009848
             mobilenet : 0.073611
            
              resnet18 : 0.003688
               alexnet : 0.001179
                 vgg16 : 0.002055
            squeezenet : 0.003385
             mobilenet : 0.076977
            
            class Net(nn.Module):
                de  
            cleverhans - mnist tutorial-torch
            Pythondot img4Lines of Code : 38dot img4License : Permissive (MIT License)
            copy iconCopy
            from absl import app, flags
            from easydict import EasyDict
            import numpy as np
            import torch
            import torch.nn as nn
            import torch.nn.functional as F
            import torchvision
            from datasets import MNISTDataset
            
            from cleverhans.torch.attacks.fast_gradient_method i  

            Community Discussions

            QUESTION

            PyTorch : predict single example
            Asked 2018-Jun-27 at 08:28

            Following the example from:

            https://github.com/jcjohnson/pytorch-examples

            This code trains successfully:

            ...

            ANSWER

            Answered 2018-Jun-27 at 08:28

            The code you posted is a simple demo trying to reveal the inner mechanism of such deep learning frameworks. These frameworks, including PyTorch, Keras, Tensorflow and many more automatically handle the forward calculation, the tracking and applying gradients for you as long as you defined the network structure. However, the code you showed still try to do these stuff manually. That's the reason why you feel cumbersome when predicting one example, because you are still doing it from scratch.

            In practice, we will define a model class inherited from torch.nn.Module and initialize all the network components (like neural layer, GRU, LSTM layer etc.) in the __init__ function, and define how these components interact with the network input in the forward function.

            Taken the example from the page you've provided:

            Source https://stackoverflow.com/questions/51041128

            QUESTION

            PyTorch replace torch.nn.Conv2d with torch.nn.functional.conv2d
            Asked 2018-Apr-18 at 12:00

            So I have this MNIST example for PyTorch. I wanted to replace conv2d with functional method. But got unexpected error.

            I replace self.conv1 = nn.Conv2d(1, 32, 5, padding=2) with self.w_conv1 = Variable(torch.randn(1, 32, 5))

            In the forward method I replace x = F.max_pool2d(F.relu(self.conv1(x)), 2) with x = F.max_pool2d(F.relu(F.conv2d(x, self.w_conv1, padding=2),2))

            And then it will give me an error:

            Expected 4-dimensional input for 4-dimensional weight [1, 32, 5], but got input of size [50, 1, 28, 28] instead

            The code worked before, and I thought I'd replace the class with it's functional equivalent.

            ...

            ANSWER

            Answered 2018-Apr-18 at 12:00

            albanD answerd the question in https://discuss.pytorch.org/t/pytorch-replace-torch-nn-conv2d-with-torch-nn-functional-conv2d/16596

            Hi,

            The error message is not very clear I’m afraid because it comes from deep within the C backend. The problem here is that when you do a convolution on a 2D image with size (batch, in_chan, width, height), and you want an output of size (batch, out_chan, width’, height’), your weights for the convolution should be (out_chan, in_chan, width_kern_size, height_kern_size), basically when you use a kernel size of 5 for the Conv2d function, it is the same as having a kernel of width 5 and height 5. Thus you should have self.w_conv1 = Variable(torch.randn(32, 1, 5, 5)). See the doc for more details.

            Source https://stackoverflow.com/questions/49896987

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install pytorch-examples

            You can download it from GitHub.
            You can use pytorch-examples like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.

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            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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