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Paddle/python/paddle/fluid/tests/unittests/test_program.py

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# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import print_function
import unittest
from paddle.fluid.framework import Program, default_main_program, program_guard, grad_var_name
import paddle.fluid.layers as layers
import paddle.fluid as fluid
main_program = default_main_program()
class TestProgram(unittest.TestCase):
def test_program(self):
b = main_program.current_block()
self.assertEqual(-1, b.parent_idx)
self.assertEqual(0, b.idx)
b = main_program._create_block()
self.assertEqual(1, b.idx)
self.assertEqual(0, b.parent_idx)
b = main_program._create_block()
self.assertEqual(2, b.idx)
self.assertEqual(1, b.parent_idx)
main_program._rollback()
b = main_program.current_block()
self.assertEqual(1, b.idx)
self.assertEqual(0, b.parent_idx)
b = main_program._create_block()
self.assertEqual(3, b.idx)
self.assertEqual(1, b.parent_idx)
main_program._rollback()
b = main_program.current_block()
self.assertEqual(1, b.idx)
self.assertEqual(0, b.parent_idx)
def test_program_clone(self):
prog = Program()
x = prog.global_block().create_var(
name='X', shape=[1000, 784], dtype='float32')
y = prog.global_block().create_var(
name='Y', shape=[784, 100], dtype='float32')
out = prog.global_block().create_var(name='Out', dtype='float32')
prog.global_block().append_op(
type="mul", inputs={'X': [x],
'Y': [y]}, outputs={'Out': [out]})
# FIXME(yuyang18): We manual compare the output string, since the order
# of variable could be changed.
print(prog)
print(prog.clone())
def test_parse_program_from_string(self):
prog = Program()
x = prog.global_block().create_var(
name='X', shape=[1000, 784], dtype='float32')
y = prog.global_block().create_var(
name='Y', shape=[784, 100], dtype='float32')
out = prog.global_block().create_var(name='Out', dtype='float32')
prog.global_block().append_op(
type="mul", inputs={'X': [x],
'Y': [y]}, outputs={'Out': [out]})
binary_str = prog.desc.serialize_to_string()
prog_restored = Program.parse_from_string(binary_str)
print(prog)
print(prog_restored)
def test_program_clone_with_parameter(self):
main_program = Program()
startup_program = Program()
with program_guard(main_program, startup_program):
d = layers.data(name='x', shape=[784], dtype='float32')
hidden = layers.fc(input=d, size=100)
layers.fc(input=hidden, size=100)
new_program = main_program.clone()
self.assertNotEqual(0, len(new_program.blocks[0].all_parameters()))
def test_program_inference_optimize(self):
def net():
reader = fluid.layers.py_reader(
capacity=10,
shapes=[[-1, 10], [-1, 1]],
lod_levels=[0, 0],
dtypes=['float32', 'int64'],
use_double_buffer=True)
in_data, label = fluid.layers.read_file(reader)
predict_label = fluid.layers.fc(in_data, size=2, act='softmax')
loss = fluid.layers.mean(
fluid.layers.cross_entropy(
input=predict_label, label=label))
optimizer = fluid.optimizer.Adam()
optimizer.minimize(loss)
startup_program = fluid.Program()
main_program = fluid.Program()
with fluid.program_guard(main_program, startup_program):
net()
no_read_program = main_program._inference_optimize()
keep_read_program = main_program._inference_optimize(
prune_read_op=False)
no_read_ops = no_read_program.global_block().ops
keep_read_ops = keep_read_program.global_block().ops
self.assertEqual(len(keep_read_ops) - len(no_read_ops), 2)
self.assertEqual(keep_read_ops[0].type, 'create_double_buffer_reader')
self.assertEqual(keep_read_ops[1].type, 'read')
for i in range(len(no_read_ops)):
self.assertEqual(no_read_ops[i].type, keep_read_ops[i + 2].type)
if __name__ == '__main__':
unittest.main()