112 lines
3.9 KiB
Python
112 lines
3.9 KiB
Python
# 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.
|
|
# ==============================================================================
|
|
"""Scalar summaries and TensorFlow operations to create them.
|
|
|
|
A scalar summary stores a single floating-point value, as a rank-0
|
|
tensor.
|
|
"""
|
|
|
|
|
|
import numpy as np
|
|
|
|
from tensorboard.plugins.scalar import metadata
|
|
from tensorboard.plugins.scalar import summary_v2
|
|
|
|
|
|
# Export V2 versions.
|
|
scalar = summary_v2.scalar
|
|
scalar_pb = summary_v2.scalar_pb
|
|
|
|
|
|
def op(name, data, display_name=None, description=None, collections=None):
|
|
"""Create a legacy scalar summary op.
|
|
|
|
Arguments:
|
|
name: A unique name for the generated summary node.
|
|
data: A real numeric rank-0 `Tensor`. Must have `dtype` castable
|
|
to `float32`.
|
|
display_name: Optional name for this summary in TensorBoard, as a
|
|
constant `str`. Defaults to `name`.
|
|
description: Optional long-form description for this summary, as a
|
|
constant `str`. Markdown is supported. Defaults to empty.
|
|
collections: Optional list of graph collections keys. The new
|
|
summary op is added to these collections. Defaults to
|
|
`[Graph Keys.SUMMARIES]`.
|
|
|
|
Returns:
|
|
A TensorFlow summary op.
|
|
"""
|
|
# TODO(nickfelt): remove on-demand imports once dep situation is fixed.
|
|
import tensorflow.compat.v1 as tf
|
|
|
|
if display_name is None:
|
|
display_name = name
|
|
summary_metadata = metadata.create_summary_metadata(
|
|
display_name=display_name, description=description
|
|
)
|
|
with tf.name_scope(name):
|
|
with tf.control_dependencies([tf.assert_scalar(data)]):
|
|
return tf.summary.tensor_summary(
|
|
name="scalar_summary",
|
|
tensor=tf.cast(data, tf.float32),
|
|
collections=collections,
|
|
summary_metadata=summary_metadata,
|
|
)
|
|
|
|
|
|
def pb(name, data, display_name=None, description=None):
|
|
"""Create a legacy scalar summary protobuf.
|
|
|
|
Arguments:
|
|
name: A unique name for the generated summary, including any desired
|
|
name scopes.
|
|
data: A rank-0 `np.array` or array-like form (so raw `int`s and
|
|
`float`s are fine, too).
|
|
display_name: Optional name for this summary in TensorBoard, as a
|
|
`str`. Defaults to `name`.
|
|
description: Optional long-form description for this summary, as a
|
|
`str`. Markdown is supported. Defaults to empty.
|
|
|
|
Returns:
|
|
A `tf.Summary` protobuf object.
|
|
"""
|
|
# TODO(nickfelt): remove on-demand imports once dep situation is fixed.
|
|
import tensorflow.compat.v1 as tf
|
|
|
|
data = np.array(data)
|
|
if data.shape != ():
|
|
raise ValueError(
|
|
"Expected scalar shape for data, saw shape: %s." % data.shape
|
|
)
|
|
if data.dtype.kind not in ("b", "i", "u", "f"): # bool, int, uint, float
|
|
raise ValueError("Cast %s to float is not supported" % data.dtype.name)
|
|
tensor = tf.make_tensor_proto(data.astype(np.float32))
|
|
|
|
if display_name is None:
|
|
display_name = name
|
|
summary_metadata = metadata.create_summary_metadata(
|
|
display_name=display_name, description=description
|
|
)
|
|
tf_summary_metadata = tf.SummaryMetadata.FromString(
|
|
summary_metadata.SerializeToString()
|
|
)
|
|
summary = tf.Summary()
|
|
summary.value.add(
|
|
tag="%s/scalar_summary" % name,
|
|
metadata=tf_summary_metadata,
|
|
tensor=tensor,
|
|
)
|
|
return summary
|