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367 lines (315 loc) · 13.6 KB
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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 operations in eager execution."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import numpy as np
from tensorflow.python.eager import context
from tensorflow.python.eager import execute
from tensorflow.python.eager import test
from tensorflow.python.framework import constant_op
from tensorflow.python.framework import dtypes
from tensorflow.python.framework import errors
from tensorflow.python.framework import ops
from tensorflow.python.framework import tensor_shape
from tensorflow.python.framework import test_util
from tensorflow.python.layers import core
from tensorflow.python.ops import array_ops
from tensorflow.python.ops import control_flow_ops
from tensorflow.python.ops import math_ops
from tensorflow.python.ops import random_ops
from tensorflow.python.ops import resource_variable_ops
from tensorflow.python.ops import sparse_ops
class OpsTest(test_util.TensorFlowTestCase):
def testExecuteBasic(self):
three = constant_op.constant(3)
five = constant_op.constant(5)
product = three * five
self.assertAllEqual(15, product)
def testMatMulGPU(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
three = constant_op.constant([[3.]]).gpu()
five = constant_op.constant([[5.]]).gpu()
product = math_ops.matmul(three, five)
self.assertEqual([[15.0]], product.numpy())
def testExecuteStringAttr(self):
three = constant_op.constant(3.0)
checked_three = array_ops.check_numerics(three,
message='just checking')
self.assertEqual([[3]], checked_three.numpy())
def testExecuteFloatAttr(self):
three = constant_op.constant(3.0)
almost_three = constant_op.constant(2.8)
almost_equal = math_ops.approximate_equal(
three, almost_three, tolerance=0.3)
self.assertTrue(almost_equal)
def testExecuteIntAttr(self):
three = constant_op.constant(3)
four = constant_op.constant(4)
total = math_ops.add_n([three, four])
self.assertAllEqual(7, total)
def testExecuteBoolAttr(self):
three = constant_op.constant([[3]])
five = constant_op.constant([[5]])
product = math_ops.matmul(three, five, transpose_a=True)
self.assertAllEqual([[15]], product)
def testExecuteOneListOutput(self):
split_dim = constant_op.constant(1)
value = constant_op.constant([[0, 1, 2], [3, 4, 5]])
x1, x2, x3 = array_ops.split(value, 3, axis=split_dim)
self.assertAllEqual([[0], [3]], x1)
self.assertAllEqual([[1], [4]], x2)
self.assertAllEqual([[2], [5]], x3)
def testGraphMode(self):
graph = ops.Graph()
with graph.as_default(), context.graph_mode():
array_ops.placeholder(dtypes.int32)
self.assertEqual(1, len(graph.get_operations()))
# See comments on handling of int32 tensors on GPU in
# EagerTensor.__init__.
def testInt32CPUDefault(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
with context.device('/gpu:0'):
r = constant_op.constant(1) + constant_op.constant(2)
self.assertAllEqual(r, 3)
def testExecuteListOutputLen1(self):
split_dim = constant_op.constant(1)
value = constant_op.constant([[0, 1, 2], [3, 4, 5]])
result = array_ops.split(value, 1, axis=split_dim)
self.assertTrue(isinstance(result, list))
self.assertEqual(1, len(result))
self.assertAllEqual([[0, 1, 2], [3, 4, 5]], result[0])
def testExecuteListOutputLen0(self):
empty = constant_op.constant([], dtype=dtypes.int32)
result = array_ops.unstack(empty, 0)
self.assertTrue(isinstance(result, list))
self.assertEqual(0, len(result))
def testExecuteMultipleNonListOutput(self):
x = constant_op.constant([1, 2, 3, 4, 5, 6])
y = constant_op.constant([1, 3, 5])
result = array_ops.listdiff(x, y)
out, idx = result
self.assertTrue(out is result.out)
self.assertTrue(idx is result.idx)
self.assertAllEqual([2, 4, 6], out)
self.assertAllEqual([1, 3, 5], idx)
def testExecuteMultipleListOutput(self):
split_dim = constant_op.constant(1, dtype=dtypes.int64)
indices = constant_op.constant([[0, 2], [0, 4], [0, 5], [1, 0], [1, 1]],
dtype=dtypes.int64)
values = constant_op.constant([2, 3, 5, 7, 11])
shape = constant_op.constant([2, 7], dtype=dtypes.int64)
result = sparse_ops.gen_sparse_ops._sparse_split( # pylint: disable=protected-access
split_dim, indices, values, shape, num_split=2)
output_indices, output_values, output_shape = result
self.assertEqual(2, len(output_indices))
self.assertEqual(2, len(output_values))
self.assertEqual(2, len(output_shape))
self.assertEqual(output_indices, result.output_indices)
self.assertEqual(output_values, result.output_values)
self.assertEqual(output_shape, result.output_shape)
self.assertAllEqual([[0, 2], [1, 0], [1, 1]], output_indices[0])
self.assertAllEqual([[0, 0], [0, 1]], output_indices[1])
self.assertAllEqual([2, 7, 11], output_values[0])
self.assertAllEqual([3, 5], output_values[1])
self.assertAllEqual([2, 4], output_shape[0])
self.assertAllEqual([2, 3], output_shape[1])
# TODO(josh11b): Test an op that has multiple outputs, some but not
# all of which are lists. Examples: barrier_take_many (currently
# unsupported since it uses a type list) or sdca_optimizer (I don't
# have an example of legal inputs & outputs).
def testComposition(self):
x = constant_op.constant(1, dtype=dtypes.int32)
three_x = x + x + x
self.assertEquals(dtypes.int32, three_x.dtype)
self.assertAllEqual(3, three_x)
def testOperatorOverrides(self):
# TODO(henrytan): test with negative number.
a = constant_op.constant([1])
b = constant_op.constant([2])
self.assertAllEqual((-a), [-1])
self.assertAllEqual(abs(b), [2])
self.assertAllEqual((a + b), [3])
self.assertAllEqual((a - b), [-1])
self.assertAllEqual((a * b), [2])
self.assertAllEqual((a * a), [1])
self.assertAllEqual((a**b), [1])
self.assertAllEqual((a / b), [1 / 2])
self.assertAllEqual((a / a), [1])
self.assertAllEqual((a % b), [1])
self.assertAllEqual((a < b), [True])
self.assertAllEqual((a <= b), [True])
self.assertAllEqual((a > b), [False])
self.assertAllEqual((a >= b), [False])
self.assertAllEqual((a == b), False)
self.assertAllEqual((a != b), True)
self.assertAllEqual(1, a[constant_op.constant(0)])
def test_basic_slice(self):
npt = np.arange(1, 19, dtype=np.float32).reshape(3, 2, 3)
t = constant_op.constant(npt)
self.assertAllEqual(npt[:, :, :], t[:, :, :])
self.assertAllEqual(npt[::, ::, ::], t[::, ::, ::])
self.assertAllEqual(npt[::1, ::1, ::1], t[::1, ::1, ::1])
self.assertAllEqual(npt[::1, ::5, ::2], t[::1, ::5, ::2])
self.assertAllEqual(npt[::-1, :, :], t[::-1, :, :])
self.assertAllEqual(npt[:, ::-1, :], t[:, ::-1, :])
self.assertAllEqual(npt[:, :, ::-1], t[:, :, ::-1])
self.assertAllEqual(npt[-2::-1, :, ::1], t[-2::-1, :, ::1])
self.assertAllEqual(npt[-2::-1, :, ::2], t[-2::-1, :, ::2])
def testDegenerateSlices(self):
npt = np.arange(1, 19, dtype=np.float32).reshape(3, 2, 3)
t = constant_op.constant(npt)
# degenerate by offering a forward interval with a negative stride
self.assertAllEqual(npt[0:-1:-1, :, :], t[0:-1:-1, :, :])
# degenerate with a reverse interval with a positive stride
self.assertAllEqual(npt[-1:0, :, :], t[-1:0, :, :])
# empty interval in every dimension
self.assertAllEqual(npt[-1:0, 2:2, 2:3:-1], t[-1:0, 2:2, 2:3:-1])
def testEllipsis(self):
npt = np.array(
[[[[[1, 2], [3, 4], [5, 6]]], [[[7, 8], [9, 10], [11, 12]]]]])
t = constant_op.constant(npt)
self.assertAllEqual(npt[0:], t[0:])
# implicit ellipsis
self.assertAllEqual(npt[0:, ...], t[0:, ...])
# ellipsis alone
self.assertAllEqual(npt[...], t[...])
# ellipsis at end
self.assertAllEqual(npt[0:1, ...], t[0:1, ...])
# ellipsis at begin
self.assertAllEqual(npt[..., 0:1], t[..., 0:1])
# ellipsis at middle
self.assertAllEqual(npt[0:1, ..., 0:1], t[0:1, ..., 0:1])
def testShrink(self):
npt = np.array([[[[[1, 2, 4, 5], [5, 6, 7, 8], [9, 10, 11, 12]]],
[[[13, 14, 15, 16], [17, 18, 19, 20], [21, 22, 23, 24]]]]])
t = constant_op.constant(npt)
self.assertAllEqual(npt[:, :, :, :, 3], t[:, :, :, :, 3])
self.assertAllEqual(npt[..., 3], t[..., 3])
self.assertAllEqual(npt[:, 0], t[:, 0])
self.assertAllEqual(npt[:, :, 0], t[:, :, 0])
def testOpWithInputsOnDifferentDevices(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
# The GPU kernel for the Reshape op requires that the
# shape input be on CPU.
value = constant_op.constant([1., 2.]).gpu()
shape = constant_op.constant([2, 1])
reshaped = array_ops.reshape(value, shape)
self.assertAllEqual([[1], [2]], reshaped.cpu())
# And if the shape is in device memory, it should complain
# TODO(ashankar): Revisit this - perhaps instead of complaining,
# it should implicitly copy the tensor to host memory?
with self.assertRaisesRegexp(
errors.InvalidArgumentError,
'cannot compute Reshape as input #1 was expected to be on.*'
'using.*DEVICE_PLACEMENT_SILENT'):
reshaped = array_ops.reshape(value, shape.gpu())
def testInt64(self):
# Fill requires the first input to be an int32 tensor.
self.assertAllEqual(
[1.0, 1.0],
array_ops.fill(constant_op.constant([2], dtype=dtypes.int64),
constant_op.constant(1)))
def testOutputOnHostMemory(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
# The Shape op kernel on GPU places the output in host memory.
value = constant_op.constant([1.]).gpu()
shape = array_ops.shape(value)
self.assertEqual([1], shape.numpy())
def testSilentCopy(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
# Temporarily replace the context
# pylint: disable=protected-access
del context._context
try:
context._context = context.Context(
device_policy=context.DEVICE_PLACEMENT_SILENT)
cpu_tensor = constant_op.constant(1.0)
gpu_tensor = cpu_tensor.gpu()
self.assertAllEqual(cpu_tensor + gpu_tensor, 2.0)
finally:
del context._context
context._context = context.Context()
# pylint: enable=protected-access
def testRandomUniform(self):
scalar_shape = constant_op.constant([], dtype=dtypes.int32)
x = random_ops.random_uniform(scalar_shape)
self.assertEquals(0, x.shape.ndims)
self.assertEquals(dtypes.float32, x.dtype)
x = random_ops.random_uniform(
scalar_shape, minval=constant_op.constant(5.),
maxval=constant_op.constant(6.))
self.assertLess(x, 6)
self.assertGreaterEqual(x, 5)
def testArgsToMatchingEagerDefault(self):
# Uses default
ctx = context.context()
t, r = execute.args_to_matching_eager([[3, 4]], ctx, dtypes.int32)
self.assertEquals(t, dtypes.int32)
self.assertEquals(r[0].dtype, dtypes.int32)
t, r = execute.args_to_matching_eager([[3, 4]], ctx, dtypes.int64)
self.assertEquals(t, dtypes.int64)
self.assertEquals(r[0].dtype, dtypes.int64)
# Doesn't use default
t, r = execute.args_to_matching_eager(
[['string', 'arg']], ctx, dtypes.int32)
self.assertEquals(t, dtypes.string)
self.assertEquals(r[0].dtype, dtypes.string)
def testFlattenLayer(self):
flatten_layer = core.Flatten()
x = constant_op.constant([[[-10, -20], [-30, -40]], [[10, 20], [30, 40]]])
y = flatten_layer(x)
self.assertAllEqual([[-10, -20, -30, -40], [10, 20, 30, 40]], y)
def testIdentity(self):
self.assertAllEqual(2, array_ops.identity(2))
def testIdentityOnVariable(self):
if not context.context().num_gpus():
self.skipTest('No GPUs found')
with context.device('/gpu:0'):
v = resource_variable_ops.ResourceVariable(True)
self.assertAllEqual(True, array_ops.identity(v))
def testIncompatibleSetShape(self):
x = constant_op.constant(1)
with self.assertRaises(ValueError):
x.set_shape((1, 2))
def testCompatibleSetShape(self):
x = constant_op.constant([[1, 2]])
x.set_shape(tensor_shape.TensorShape([None, 2]))
self.assertEqual(x.get_shape(), (1, 2))
def testCastScalarToPrimitiveTypes(self):
x = constant_op.constant(1.3)
self.assertIsInstance(int(x), int)
self.assertEqual(int(x), 1)
self.assertIsInstance(float(x), float)
self.assertAllClose(float(x), 1.3)
def testCastNonScalarToPrimitiveTypesFails(self):
x = constant_op.constant([1.3, 2])
with self.assertRaises(TypeError):
int(x)
with self.assertRaises(TypeError):
float(x)
def testFormatString(self):
x = constant_op.constant(3.1415)
self.assertEqual('3.14', '{:.2f}'.format(x))
def testNoOpIsNone(self):
self.assertTrue(control_flow_ops.no_op() is None)
if __name__ == '__main__':
test.main()