pytorch/caffe2/python/modeling/initializers_test.py
Andrey Malevich e05173a476 Create ExternalInitializer to simplify logic around init_params = False
Summary:
This diff is creating new type of Initializer - ExternalInitializer. This
initializer is supposed to be used in cases when the parameter blob is already
expected to exist in the workspace.

Reviewed By: dzhulgakov

Differential Revision: D5171322

fbshipit-source-id: d27861f0f80afdea93c235d49f63da19adccc92c
2017-06-02 18:22:50 -07:00

51 lines
1.9 KiB
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import unittest
from caffe2.python import brew, model_helper
from caffe2.python.modeling.initializers import (
Initializer, pFP16Initializer)
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", {})
)
# default operator, pFP16Initializer
fc5 = brew.fc(model, fc4, "fc5", dim_in=1, dim_out=1,
WeightInitializer=pFP16Initializer
)
# specified operator, pFP16Initializer
fc6 = brew.fc(model, fc4, "fc5", dim_in=1, dim_out=1,
weight_init=("ConstantFill", {}),
WeightInitializer=pFP16Initializer
)
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)