MXNet.jl <https://github.com/dmlc/MXNet.jl> is the dmlc/mxnet 
<https://github.com/dmlc/mxnet> Julia <http://julialang.org/> package. 
MXNet.jl brings flexible and efficient GPU computing and state-of-art deep 
learning to Julia. Some highlight of features include:

   - Efficient tensor/matrix computation across multiple devices, including 
   multiple CPUs, GPUs and distributed server nodes.
   - Flexible symbolic manipulation to composite and construct 
   state-of-the-art deep learning models.

Here is an exmple of how training a simple 3-layer MLP on MNIST looks like:

using MXNet

mlp = @mx.chain mx.Variable(:data)             =>
  mx.FullyConnected(name=:fc1, num_hidden=128) =>
  mx.Activation(name=:relu1, act_type=:relu)   =>
  mx.FullyConnected(name=:fc2, num_hidden=64)  =>
  mx.Activation(name=:relu2, act_type=:relu)   =>
  mx.FullyConnected(name=:fc3, num_hidden=10)  =>
  mx.Softmax(name=:softmax)
# data provider
batch_size = 100include(joinpath(Pkg.dir("MXNet"), 
"/examples/mnist/mnist-data.jl"))
train_provider, eval_provider = get_mnist_providers(batch_size)
# setup model
model = mx.FeedForward(mlp, context=mx.cpu())
# optimizer
optimizer = mx.SGD(lr=0.1, momentum=0.9, weight_decay=0.00001)
# fit parameters
mx.fit(model, optimizer, train_provider, n_epoch=20, eval_data=eval_provider)

For more details, please refer to the document 
<http://mxnetjl.readthedocs.org/> and examples 
<https://github.com/dmlc/MXNet.jl/blob/master/examples>.


Enjoy!

- pluskid

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