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stack_ops_test.py
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stack_ops_test.py
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# Copyright 2017 The TensorFlow 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.
# ==============================================================================
"""Tests for tensorflow.ops.stack_ops."""
import numpy as np
from tensorflow.compiler.tests import xla_test
from tensorflow.python.compiler.xla import xla
from tensorflow.python.framework import dtypes
from tensorflow.python.framework import ops
from tensorflow.python.ops import array_ops
from tensorflow.python.ops import gen_data_flow_ops
from tensorflow.python.platform import test
class StackOpTest(xla_test.XLATestCase):
def testStackPushPop(self):
with self.session(), self.test_scope():
v = array_ops.placeholder(dtypes.float32)
def fn():
h = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
c = gen_data_flow_ops.stack_push_v2(h, v)
with ops.control_dependencies([c]):
c1 = gen_data_flow_ops.stack_pop_v2(h, dtypes.float32)
return c1
self.assertAllClose([[4.0, 5.0]],
xla.compile(fn)[0].eval({v: [[4.0, 5.0]]}))
def testStackPushPopSwap(self):
with self.session(), self.test_scope():
a = np.arange(2000)
x = array_ops.placeholder(dtypes.float32)
def fn():
h = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
c = gen_data_flow_ops.stack_push_v2(h, x, swap_memory=True)
with ops.control_dependencies([c]):
return gen_data_flow_ops.stack_pop_v2(h, dtypes.float32)
self.assertAllClose(a, xla.compile(fn)[0].eval({x: a}))
def testMultiStack(self):
with self.session(), self.test_scope():
v = array_ops.placeholder(dtypes.float32)
def fn():
h1 = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
c1 = gen_data_flow_ops.stack_push_v2(h1, v)
with ops.control_dependencies([c1]):
c1 = gen_data_flow_ops.stack_pop_v2(h1, dtypes.float32)
h2 = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="bar")
c2 = gen_data_flow_ops.stack_push_v2(h2, 5.0)
with ops.control_dependencies([c2]):
c2 = gen_data_flow_ops.stack_pop_v2(h2, dtypes.float32)
return c1 + c2
self.assertAllClose(9.0, xla.compile(fn)[0].eval({v: 4.0}))
def testSameNameStacks(self):
"""Different stacks with the same name do not interfere."""
with self.session() as sess, self.test_scope():
v1 = array_ops.placeholder(dtypes.float32)
v2 = array_ops.placeholder(dtypes.float32)
def fn():
h1 = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
h2 = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
c1 = gen_data_flow_ops.stack_push_v2(h1, v1)
with ops.control_dependencies([c1]):
c2 = gen_data_flow_ops.stack_push_v2(h2, v2)
with ops.control_dependencies([c2]):
pop1 = gen_data_flow_ops.stack_pop_v2(h1, dtypes.float32)
pop2 = gen_data_flow_ops.stack_pop_v2(h2, dtypes.float32)
return [pop1, pop2]
[pop1_compiled, pop2_compiled] = xla.compile(fn)
out1, out2 = sess.run([pop1_compiled, pop2_compiled], {v1: 4.0, v2: 5.0})
self.assertAllClose(out1, 4.0)
self.assertAllClose(out2, 5.0)
def testCloseStack(self):
with self.session() as sess, self.test_scope():
def fn():
h = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
gen_data_flow_ops.stack_close_v2(h)
sess.run(xla.compile(fn))
def testPushCloseStack(self):
with self.session() as sess, self.test_scope():
v = array_ops.placeholder(dtypes.float32)
def fn():
h = gen_data_flow_ops.stack_v2(5, dtypes.float32, stack_name="foo")
c = gen_data_flow_ops.stack_push_v2(h, v)
with ops.control_dependencies([c]):
gen_data_flow_ops.stack_close_v2(h)
sess.run(xla.compile(fn), {v: [[4.0, 5.0]]})
if __name__ == "__main__":
test.main()