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import unittest
from caffe2.python import brew, model_helper, workspace
from caffe2.python.modeling.initializers import (
Initializer, PseudoFP16Initializer)
class InitializerTest(unittest.TestCase):
def test_fc_initializer(self):
model = model_helper.ModelHelper(name="test")
data = model.net.AddExternalInput("data")
fc1 = brew.fc(model, data, "fc1", dim_in=1, dim_out=1)
# no operator name set, will use default
fc2 = brew.fc(model, fc1, "fc2", dim_in=1, dim_out=1,
WeightInitializer=Initializer)
# no operator name set, will use custom
fc3 = brew.fc(model, fc2, "fc3", dim_in=1, dim_out=1,
WeightInitializer=Initializer,
weight_init=("ConstantFill", {}),
)
# operator name set, no initializer class set
fc4 = brew.fc(model, fc3, "fc4", dim_in=1, dim_out=1,
WeightInitializer=None,
weight_init=("ConstantFill", {})
)
@unittest.skipIf(not workspace.has_gpu_support, 'No GPU support')
def test_fc_fp16_initializer(self):
model = model_helper.ModelHelper(name="test")
data = model.net.AddExternalInput("data")
fc1 = brew.fc(model, data, "fc1", dim_in=1, dim_out=1)
# default operator, PseudoFP16Initializer
fc2 = brew.fc(model, fc1, "fc2", dim_in=1, dim_out=1,
WeightInitializer=PseudoFP16Initializer
)
# specified operator, PseudoFP16Initializer
fc3 = brew.fc(model, fc2, "fc3", dim_in=1, dim_out=1,
weight_init=("ConstantFill", {}),
WeightInitializer=PseudoFP16Initializer
)
def test_fc_external_initializer(self):
model = model_helper.ModelHelper(name="test", init_params=False)
data = model.net.AddExternalInput("data")
fc1 = brew.fc(model, data, "fc1", dim_in=1, dim_out=1) # noqa
self.assertEqual(len(model.net.Proto().op), 1)
self.assertEqual(len(model.param_init_net.Proto().op), 0)
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