192 lines
7.7 KiB
Python
192 lines
7.7 KiB
Python
# Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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"""Tests for device function for replicated training."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from tensorflow.python.framework import ops
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from tensorflow.python.framework import test_util
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from tensorflow.python.ops import resource_variable_ops
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from tensorflow.python.ops import variables
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from tensorflow.python.platform import test
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from tensorflow.python.training import device_setter
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from tensorflow.python.training import server_lib
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class DeviceSetterTest(test.TestCase):
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_cluster_spec = server_lib.ClusterSpec({
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"ps": ["ps0:2222", "ps1:2222"],
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"worker": ["worker0:2222", "worker1:2222", "worker2:2222"]
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})
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@test_util.run_deprecated_v1
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def testCPUOverride(self):
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with ops.device(
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device_setter.replica_device_setter(cluster=self._cluster_spec)):
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with ops.device("/cpu:0"):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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with ops.device("/cpu:0"):
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a = v + w
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self.assertDeviceEqual("/job:ps/task:0/cpu:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0/cpu:0", v.initializer.device)
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self.assertDeviceEqual("/job:ps/task:1", w.device)
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self.assertDeviceEqual("/job:ps/task:1", w.initializer.device)
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self.assertDeviceEqual("/job:worker/cpu:0", a.device)
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@test_util.run_deprecated_v1
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def testResource(self):
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with ops.device(
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device_setter.replica_device_setter(cluster=self._cluster_spec)):
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v = resource_variable_ops.ResourceVariable([1, 2])
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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@test_util.run_deprecated_v1
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def testPS2TasksWithClusterSpecClass(self):
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with ops.device(
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device_setter.replica_device_setter(cluster=self._cluster_spec)):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:ps/task:1", w.device)
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self.assertDeviceEqual("/job:ps/task:1", w.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksPinVariableToJob(self):
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with ops.device(
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device_setter.replica_device_setter(cluster=self._cluster_spec)):
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v = variables.Variable([1, 2])
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with ops.device("/job:moon"):
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w = variables.Variable([2, 1])
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with ops.device("/job:ps"): # Explicit PS job will get task set.
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x = variables.Variable([0, 1])
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a = v + w + x
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:moon", w.device)
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self.assertDeviceEqual("/job:moon", w.initializer.device)
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self.assertDeviceEqual("/job:ps/task:1", x.device)
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self.assertDeviceEqual("/job:ps/task:1", x.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksUseCpuForPS(self):
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with ops.device(
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device_setter.replica_device_setter(ps_tasks=1, ps_device="/cpu:0")):
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v = variables.Variable([1, 2])
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with ops.device("/job:moon"):
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/cpu:0", v.device)
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self.assertDeviceEqual("/cpu:0", v.initializer.device)
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self.assertDeviceEqual("/job:moon/cpu:0", w.device)
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self.assertDeviceEqual("/job:moon/cpu:0", w.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksNoMerging(self):
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with ops.device(
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device_setter.replica_device_setter(
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cluster=self._cluster_spec, merge_devices=False)):
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v = variables.Variable([1, 2])
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with ops.device("/job:ps"): # Won't assign task when merge_devices=False.
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:ps", w.device)
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self.assertDeviceEqual("/job:ps", w.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksWithClusterSpecDict(self):
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with ops.device(
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device_setter.replica_device_setter(cluster=self._cluster_spec.as_dict(
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))):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:ps/task:1", w.device)
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self.assertDeviceEqual("/job:ps/task:1", w.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksWithClusterDef(self):
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with ops.device(
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device_setter.replica_device_setter(
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cluster=self._cluster_spec.as_cluster_def())):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:ps/task:0", v.device)
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self.assertDeviceEqual("/job:ps/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:ps/task:1", w.device)
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self.assertDeviceEqual("/job:ps/task:1", w.initializer.device)
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self.assertDeviceEqual("/job:worker", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksWithDevice(self):
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cluster_spec = server_lib.ClusterSpec({
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"sun": ["sun0:2222", "sun1:2222", "sun2:2222"],
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"moon": ["moon0:2222", "moon1:2222"]
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})
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with ops.device(
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device_setter.replica_device_setter(
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ps_device="/job:moon",
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worker_device="/job:sun",
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cluster=cluster_spec.as_cluster_def())):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:moon/task:0", v.device)
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self.assertDeviceEqual("/job:moon/task:0", v.initializer.device)
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self.assertDeviceEqual("/job:moon/task:1", w.device)
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self.assertDeviceEqual("/job:moon/task:1", w.initializer.device)
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self.assertDeviceEqual("/job:sun", a.device)
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@test_util.run_deprecated_v1
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def testPS2TasksWithCPUConstraint(self):
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cluster_spec = server_lib.ClusterSpec({
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"sun": ["sun0:2222", "sun1:2222", "sun2:2222"],
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"moon": ["moon0:2222", "moon1:2222"]
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})
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with ops.device(
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device_setter.replica_device_setter(
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ps_device="/job:moon/cpu:0",
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worker_device="/job:sun",
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cluster=cluster_spec.as_cluster_def())):
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v = variables.Variable([1, 2])
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w = variables.Variable([2, 1])
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a = v + w
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self.assertDeviceEqual("/job:moon/task:0/cpu:0", v.device)
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self.assertDeviceEqual("/job:moon/task:0/cpu:0", v.initializer.device)
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self.assertDeviceEqual("/job:moon/task:1/cpu:0", w.device)
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self.assertDeviceEqual("/job:moon/task:1/cpu:0", w.initializer.device)
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self.assertDeviceEqual("/job:sun", a.device)
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if __name__ == "__main__":
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test.main()
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