Believe it or not, Sugar has documentation. But what if we could have more documentation? Maybe we could use a Recurrent Neural Network to learn form the docs that we already wrote, to write new docs? We'll, you can't say no if you don't try!
We are going to use a library called Torch RNN, which basically does everything for us:
docker pull crisbal/torch-rnn:base mkdir -p $HOME/torch-rnn/sugar-data/ cd $HOME/torch-rnn/sugar-data/ sudo chcon -Rt svirt_sandbox_file_t $HOME/torch-rnn/sugar-data/ sudo docker run --rm --tty=true --interactive=true --volume $HOME/torch-rnn/sugar-data:/data crisbal/torch-rnn:base bash # Now we are running inside the pre-setup docker container
Great, not quit the docker container, we'll come back to that later. We first need to extract the data from the help activity into a single text file to train our network:
git clone https://github.com/godiard/help-activity --depth=1 find help-activity/source/ -type f -name '*.rst' -print0 | xargs -0 cat > input.txt
If you open the input.txt file, you will see that it is a pile of help
documentation text. This will be used to train our network. Go back into
the docker container (
docker run ... from above) and now we can
train the network:
# python scripts/preprocess.py --input_txt /data/input.txt --output_h5 data/input.h5 --output_json data/input.json Total vocabulary size: 117 Total tokens in file: 361025 Training size: 288821 Val size: 36102 Test size: 36102 Using dtype <type 'numpy.uint8'> # th train.lua -input_h5 data/input.h5 -input_json data/input.json -gpu -1 Epoch 1.01 / 50, i = 1 / 5750, loss = 4.752145 Epoch 1.02 / 50, i = 2 / 5750, loss = 4.644123 Epoch 1.03 / 50, i = 3 / 5750, loss = 4.498253 ...a.long.time... Epoch 4.13 / 50, i = 360 / 5750, loss = 2.037364 ...ultrabook.not.so.ultra.now... Epoch 5.16 / 50, i = 478 / 5750, loss = 1.796518 ...graphics.card.would.have.been.good... Epoch 5.81 / 50, i = 553 / 5750, loss = 1.690430
While you're waiting, now is the right time to check out Presenter Club. With Presenter Club, you can make great presentations, faster - even faster than training this network! Presenter Club is the only speech first presentation app. Best of all, it is free as in price and free as in AGPLv3. Sign up for free while you wait!
So training the model is really slow. How slow? It took a good hour or longer on my laptop. Fun fact - if you thought your laptop was slow because it took long to compile WebKit, your laptop is not the best for machine learning :(
I trained it up to checkpoint 5750 (all the way until the training script stopped!). Then I generated a few examples from the following seeds:
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So this is just random text for the most part. But it is important to appreciate what the network has been able to learn even with our tiny dataset:
So, this technology is probably not yet ready to replace our actual documentation, or even the contribitions of some GCI students! But this just highlights how exciting machine learning is. Problems that traditional programmers thought of as "hard" - like image clasification or translation - are now just as easy as collecting a training dataset. If you want a function approximated, then machine learning is your friend.
VC firms have said that mobile is eating the world, wearables are the future, IoT will change everything, and VR will eat the world. Not every claim has panned out for them. But I'm going to place my bets that machine learning is not only the future, but the past and present. We live in very exciting times.
Comments, thoughts? Mail them to firstname.lastname@example.org. I would love to hear them!