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protoget / pg-pong.py
Created October 20, 2016 20:10 — forked from karpathy/pg-pong.py
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward
@protoget
protoget / min-char-rnn.py
Created October 20, 2016 20:10 — forked from karpathy/min-char-rnn.py
Minimal character-level language model with a Vanilla Recurrent Neural Network, in Python/numpy
"""
Minimal character-level Vanilla RNN model. Written by Andrej Karpathy (@karpathy)
BSD License
"""
import numpy as np
# data I/O
data = open('input.txt', 'r').read() # should be simple plain text file
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)
@protoget
protoget / tensorflow-distributed-experiment.md
Created March 25, 2017 22:42 — forked from codingneo/tensorflow-distributed-experiment.md
Experiment with Distributed Tensorflow

ps server

import tensorflow as tf

cluster = tf.train.ClusterSpec({"ps": ['localhost:2222'], "worker": ['localhost:2224','localhost:2225']})
server = tf.train.Server(cluster.as_cluster_def(), job_name='ps', task_index=0)

server.join()