111 lines
4.3 KiB
Python
111 lines
4.3 KiB
Python
# Copyright 2016 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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"""Debugger Wrapper Session Consisting of a Local Curses-based CLI."""
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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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import os
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import tempfile
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from tensorflow.python.client import session
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from tensorflow.python.debug.wrappers import dumping_wrapper
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from tensorflow.python.debug.wrappers import hooks
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from tensorflow.python.framework import constant_op
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from tensorflow.python.framework import dtypes
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from tensorflow.python.framework import test_util
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from tensorflow.python.ops import state_ops
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from tensorflow.python.ops import variables
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from tensorflow.python.platform import googletest
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from tensorflow.python.training import monitored_session
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@test_util.run_v1_only("Sessions are not available in TF 2.x")
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class DumpingDebugWrapperDiskUsageLimitTest(test_util.TensorFlowTestCase):
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@classmethod
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def setUpClass(cls):
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# For efficient testing, set the disk usage bytes limit to a small
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# number (10).
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os.environ["TFDBG_DISK_BYTES_LIMIT"] = "10"
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def setUp(self):
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self.session_root = tempfile.mkdtemp()
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self.v = variables.Variable(10.0, dtype=dtypes.float32, name="v")
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self.delta = constant_op.constant(1.0, dtype=dtypes.float32, name="delta")
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self.eta = constant_op.constant(-1.4, dtype=dtypes.float32, name="eta")
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self.inc_v = state_ops.assign_add(self.v, self.delta, name="inc_v")
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self.dec_v = state_ops.assign_add(self.v, self.eta, name="dec_v")
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self.sess = session.Session()
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self.sess.run(self.v.initializer)
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def testWrapperSessionNotExceedingLimit(self):
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def _watch_fn(fetches, feeds):
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del fetches, feeds
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return "DebugIdentity", r"(.*delta.*|.*inc_v.*)", r".*"
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sess = dumping_wrapper.DumpingDebugWrapperSession(
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self.sess, session_root=self.session_root,
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watch_fn=_watch_fn, log_usage=False)
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sess.run(self.inc_v)
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def testWrapperSessionExceedingLimit(self):
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def _watch_fn(fetches, feeds):
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del fetches, feeds
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return "DebugIdentity", r".*delta.*", r".*"
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sess = dumping_wrapper.DumpingDebugWrapperSession(
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self.sess, session_root=self.session_root,
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watch_fn=_watch_fn, log_usage=False)
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# Due to the watch function, each run should dump only 1 tensor,
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# which has a size of 4 bytes, which corresponds to the dumped 'delta:0'
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# tensor of scalar shape and float32 dtype.
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# 1st run should pass, after which the disk usage is at 4 bytes.
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sess.run(self.inc_v)
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# 2nd run should also pass, after which 8 bytes are used.
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sess.run(self.inc_v)
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# 3rd run should fail, because the total byte count (12) exceeds the
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# limit (10)
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with self.assertRaises(ValueError):
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sess.run(self.inc_v)
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def testHookNotExceedingLimit(self):
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def _watch_fn(fetches, feeds):
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del fetches, feeds
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return "DebugIdentity", r".*delta.*", r".*"
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dumping_hook = hooks.DumpingDebugHook(
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self.session_root, watch_fn=_watch_fn, log_usage=False)
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mon_sess = monitored_session._HookedSession(self.sess, [dumping_hook])
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mon_sess.run(self.inc_v)
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def testHookExceedingLimit(self):
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def _watch_fn(fetches, feeds):
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del fetches, feeds
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return "DebugIdentity", r".*delta.*", r".*"
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dumping_hook = hooks.DumpingDebugHook(
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self.session_root, watch_fn=_watch_fn, log_usage=False)
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mon_sess = monitored_session._HookedSession(self.sess, [dumping_hook])
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# Like in `testWrapperSessionExceedingLimit`, the first two calls
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# should be within the byte limit, but the third one should error
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# out due to exceeding the limit.
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mon_sess.run(self.inc_v)
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mon_sess.run(self.inc_v)
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with self.assertRaises(ValueError):
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mon_sess.run(self.inc_v)
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if __name__ == "__main__":
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googletest.main()
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