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Gluon - Serialization / saving&loading model, params #11

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miroblog opened this issue Dec 8, 2017 · 0 comments

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miroblog commented Dec 8, 2017 •

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# define custom block

num_hidden = 256
num_outputs = 1
net = gluon.nn.Sequential()
with net.name_scope():
    net.add(gluon.nn.Dense(num_hidden, activation="relu"))
    net.add(gluon.nn.Dense(num_hidden, activation="relu"))
    net.add(gluon.nn.Dense(num_outputs))

# collect params defined in the blocks

net.collect_params().initialize(mx.init.Normal(sigma=1.), ctx=ctx)
net(nd.ones((1, 100), ctx=ctx))

#save and load params

filename = "checkpoints/testnet.params"
net.save_params(filename)
net2 = gluon.nn.Sequential()
with net2.name_scope():
    net2.add(gluon.nn.Dense(num_hidden, activation="relu"))
    net2.add(gluon.nn.Dense(num_hidden, activation="relu"))
    net2.add(gluon.nn.Dense(num_outputs))
net2.load_params(filename, ctx=ctx)
net2(nd.ones((1, 100), ctx=ctx))

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