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*Add flag 'conversion_summary_dir' to tflite_converter. When user passes this flag and uses the new MLIR converter(via command-line), it will generate conversion logs under the specified folder.

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PiperOrigin-RevId: 278743450
Change-Id: Ic840a56642629514816582390a267b037b0bbb24
This commit is contained in:
Haoliang Zhang 2019-11-05 17:28:13 -08:00 committed by TensorFlower Gardener
parent 473223155e
commit 6b77079914
26 changed files with 1571 additions and 4 deletions
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7
tensorflow/lite/g3doc/r1/convert/cmdline_reference.md
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@ -155,3 +155,10 @@ graph transformations:
completed. completed.
* `--dump_graphviz_video`. Type: boolean. Outputs GraphViz after every graph * `--dump_graphviz_video`. Type: boolean. Outputs GraphViz after every graph
transformation. Requires `--dump_graphviz_dir` to be specified. transformation. Requires `--dump_graphviz_dir` to be specified.
The following flag controls generating the conversion logs. The conversion log
includes a protocol buffer of analytics collected during conversion, and an HTML
file where user can preview the conversion summary.
* `--conversion_summary_dir`. Type: string. Specifies the full path of the
directory to output conversion logs.

2
tensorflow/lite/python/BUILD
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@ -71,6 +71,8 @@ py_library(
visibility = ["//visibility:public"], visibility = ["//visibility:public"],
deps = [ deps = [
":lite", ":lite",
"//tensorflow/lite/toco/logging:gen_html",
"//tensorflow/lite/toco/logging:toco_conversion_log_proto_py",
"@six_archive//:six", "@six_archive//:six",
], ],
) )

6
tensorflow/lite/python/convert.py
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@ -230,7 +230,8 @@ def build_toco_convert_protos(input_tensors,
dump_graphviz_video=False, dump_graphviz_video=False,
target_ops=None, target_ops=None,
allow_nonexistent_arrays=False, allow_nonexistent_arrays=False,
debug_info=None): debug_info=None,
conversion_summary_dir=None):
"""Builds protocol buffers describing a conversion of a model using TOCO. """Builds protocol buffers describing a conversion of a model using TOCO.
Typically this is to convert from TensorFlow GraphDef to TFLite, in which Typically this is to convert from TensorFlow GraphDef to TFLite, in which
@ -294,6 +295,7 @@ def build_toco_convert_protos(input_tensors,
or are unused in the final graph. (default False) or are unused in the final graph. (default False)
debug_info: `GraphDebugInfo` proto containing the stack traces for the debug_info: `GraphDebugInfo` proto containing the stack traces for the
original nodes referred by the converted graph. original nodes referred by the converted graph.
conversion_summary_dir: A string, the path to the generated conversion logs.
Returns: Returns:
model_flags, toco_flags, debug_info: three protocol buffers describing the model_flags, toco_flags, debug_info: three protocol buffers describing the
@ -326,6 +328,8 @@ def build_toco_convert_protos(input_tensors,
if dump_graphviz_dir: if dump_graphviz_dir:
toco.dump_graphviz_dir = dump_graphviz_dir toco.dump_graphviz_dir = dump_graphviz_dir
toco.dump_graphviz_include_video = dump_graphviz_video toco.dump_graphviz_include_video = dump_graphviz_video
if conversion_summary_dir:
toco.conversion_summary_dir = conversion_summary_dir
if target_ops: if target_ops:
if set(target_ops) == set([OpsSet.TFLITE_BUILTINS, OpsSet.SELECT_TF_OPS]): if set(target_ops) == set([OpsSet.TFLITE_BUILTINS, OpsSet.SELECT_TF_OPS]):
toco.enable_select_tf_ops = True toco.enable_select_tf_ops = True

6
tensorflow/lite/python/lite.py
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@ -537,6 +537,8 @@ class TFLiteConverter(TFLiteConverterBase):
output file. (default None) output file. (default None)
dump_graphviz_video: Boolean indicating whether to dump the graph after dump_graphviz_video: Boolean indicating whether to dump the graph after
every graph transformation. (default False) every graph transformation. (default False)
conversion_summary_dir: A string indicating the path to the generated
conversion logs.
target_ops: Deprecated. Please specify `target_spec.supported_ops` instead. target_ops: Deprecated. Please specify `target_spec.supported_ops` instead.
Set of OpsSet options indicating which converter to use. Set of OpsSet options indicating which converter to use.
(default set([OpsSet.TFLITE_BUILTINS])) (default set([OpsSet.TFLITE_BUILTINS]))
@ -621,6 +623,7 @@ class TFLiteConverter(TFLiteConverterBase):
self._post_training_quantize = False self._post_training_quantize = False
self.dump_graphviz_dir = None self.dump_graphviz_dir = None
self.dump_graphviz_video = False self.dump_graphviz_video = False
self.conversion_summary_dir = None
self._debug_info_func = experimental_debug_info_func self._debug_info_func = experimental_debug_info_func
# Attributes are used by models that cannot be loaded into TensorFlow. # Attributes are used by models that cannot be loaded into TensorFlow.
@ -991,7 +994,8 @@ class TFLiteConverter(TFLiteConverterBase):
"reorder_across_fake_quant": self.reorder_across_fake_quant, "reorder_across_fake_quant": self.reorder_across_fake_quant,
"change_concat_input_ranges": self.change_concat_input_ranges, "change_concat_input_ranges": self.change_concat_input_ranges,
"dump_graphviz_dir": self.dump_graphviz_dir, "dump_graphviz_dir": self.dump_graphviz_dir,
"dump_graphviz_video": self.dump_graphviz_video "dump_graphviz_video": self.dump_graphviz_video,
"conversion_summary_dir": self.conversion_summary_dir
}) })
# Converts model. # Converts model.

38
tensorflow/lite/python/lite_test.py
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@ -502,6 +502,44 @@ class FromSessionTest(TestModels, parameterized.TestCase):
num_items_graphviz_video = len(os.listdir(graphviz_dir)) num_items_graphviz_video = len(os.listdir(graphviz_dir))
self.assertGreater(num_items_graphviz_video, num_items_graphviz) self.assertGreater(num_items_graphviz_video, num_items_graphviz)
def testDumpConversionSummary(self):
with ops.Graph().as_default():
in_tensor = array_ops.placeholder(
shape=[1, 16, 16, 3], dtype=dtypes.float32)
out_tensor = in_tensor + in_tensor
sess = session.Session()
# Convert model and ensure model is not None.
converter = lite.TFLiteConverter.from_session(sess, [in_tensor],
[out_tensor])
log_dir = self.get_temp_dir()
converter.conversion_summary_dir = log_dir
# Conversion logs will only be generated when the mlir converter is enabled.
converter.experimental_new_converter = True
tflite_model = converter.convert()
self.assertTrue(tflite_model)
num_items_conversion_summary = len(os.listdir(log_dir))
self.assertTrue(num_items_conversion_summary)
def testDumpConversionSummaryWithOldConverter(self):
with ops.Graph().as_default():
in_tensor = array_ops.placeholder(
shape=[1, 16, 16, 3], dtype=dtypes.float32)
out_tensor = in_tensor + in_tensor
sess = session.Session()
# Convert model and ensure model is not None.
converter = lite.TFLiteConverter.from_session(sess, [in_tensor],
[out_tensor])
log_dir = self.get_temp_dir()
converter.conversion_summary_dir = log_dir
tflite_model = converter.convert()
self.assertTrue(tflite_model)
# Check nothing is generated under the conversion summary path.
num_items_conversion_summary = len(os.listdir(log_dir))
self.assertEqual(num_items_conversion_summary, 0)
@parameterized.named_parameters( @parameterized.named_parameters(
('EnableMlirConverter', True), # enable mlir ('EnableMlirConverter', True), # enable mlir
('DisableMlirConverter', False)) # disable mlir ('DisableMlirConverter', False)) # disable mlir

23
tensorflow/lite/python/tflite_convert.py
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@ -22,6 +22,7 @@ from __future__ import print_function
import argparse import argparse
import os import os
import sys import sys
import warnings
import six import six
from six.moves import zip from six.moves import zip
@ -29,6 +30,7 @@ from six.moves import zip
from tensorflow.lite.python import lite from tensorflow.lite.python import lite
from tensorflow.lite.python import lite_constants from tensorflow.lite.python import lite_constants
from tensorflow.lite.toco import toco_flags_pb2 as _toco_flags_pb2 from tensorflow.lite.toco import toco_flags_pb2 as _toco_flags_pb2
from tensorflow.lite.toco.logging import gen_html
from tensorflow.python import keras from tensorflow.python import keras
from tensorflow.python import tf2 from tensorflow.python import tf2
from tensorflow.python.platform import app from tensorflow.python.platform import app
@ -198,6 +200,8 @@ def _convert_tf1_model(flags):
converter.dump_graphviz_dir = flags.dump_graphviz_dir converter.dump_graphviz_dir = flags.dump_graphviz_dir
if flags.dump_graphviz_video: if flags.dump_graphviz_video:
converter.dump_graphviz_vode = flags.dump_graphviz_video converter.dump_graphviz_vode = flags.dump_graphviz_video
if flags.conversion_summary_dir:
converter.conversion_summary_dir = flags.conversion_summary_dir
if flags.experimental_new_converter: if flags.experimental_new_converter:
converter.experimental_new_converter = True converter.experimental_new_converter = True
@ -479,6 +483,13 @@ def _get_tf1_flags(parser):
action="store_true", action="store_true",
help=("Boolean indicating whether to dump the graph after every graph " help=("Boolean indicating whether to dump the graph after every graph "
"transformation")) "transformation"))
parser.add_argument(
"--conversion_summary_dir",
type=str,
help=("Full filepath to store the conversion logs, which inclues graphviz"
" of the model before/after the conversion, an HTML report and the "
"conversion proto buffers. This will only be generated when passing"
" --experimental_new_converter"))
def _get_tf2_flags(parser): def _get_tf2_flags(parser):
@ -565,7 +576,17 @@ def run_main(_):
if use_v2_converter: if use_v2_converter:
_convert_tf2_model(tflite_flags) _convert_tf2_model(tflite_flags)
else: else:
_convert_tf1_model(tflite_flags) try:
_convert_tf1_model(tflite_flags)
finally:
if tflite_flags.conversion_summary_dir:
if tflite_flags.experimental_new_converter:
gen_html.gen_conversion_log_html(tflite_flags.conversion_summary_dir,
tflite_flags.post_training_quantize)
else:
warnings.warn(
"Conversion summary will only be generated when enabling"
" the new converter via --experimental_new_converter. ")
def main(): def main():

24
tensorflow/lite/python/tflite_convert_test.py
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@ -147,6 +147,30 @@ class TfLiteConvertV1Test(TestModels):
self._run(flags_str, should_succeed=True) self._run(flags_str, should_succeed=True)
os.remove(keras_file) os.remove(keras_file)
def testConversionSummary(self):
keras_file = self._getKerasModelFile()
log_dir = self.get_temp_dir()
flags_str = ('--keras_model_file={} --experimental_new_converter '
'--conversion_summary_dir={}'.format(keras_file, log_dir))
self._run(flags_str, should_succeed=True)
os.remove(keras_file)
num_items_conversion_summary = len(os.listdir(log_dir))
self.assertTrue(num_items_conversion_summary)
def testConversionSummaryWithOldConverter(self):
keras_file = self._getKerasModelFile()
log_dir = self.get_temp_dir()
flags_str = ('--keras_model_file={} '
'--conversion_summary_dir={}'.format(keras_file, log_dir))
self._run(flags_str, should_succeed=True)
os.remove(keras_file)
num_items_conversion_summary = len(os.listdir(log_dir))
self.assertEqual(num_items_conversion_summary, 0)
class TfLiteConvertV2Test(TestModels): class TfLiteConvertV2Test(TestModels):

1
tensorflow/lite/toco/args.h
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@ -146,6 +146,7 @@ struct ParsedModelFlags {
Arg<string> graphviz_last_array; Arg<string> graphviz_last_array;
Arg<string> dump_graphviz; Arg<string> dump_graphviz;
Arg<bool> dump_graphviz_video = Arg<bool>(false); Arg<bool> dump_graphviz_video = Arg<bool>(false);
Arg<string> conversion_summary_dir;
Arg<bool> allow_nonexistent_arrays = Arg<bool>(false); Arg<bool> allow_nonexistent_arrays = Arg<bool>(false);
Arg<bool> allow_nonascii_arrays = Arg<bool>(false); Arg<bool> allow_nonascii_arrays = Arg<bool>(false);
Arg<string> arrays_extra_info_file; Arg<string> arrays_extra_info_file;

97
tensorflow/lite/toco/logging/BUILD Normal file
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@ -0,0 +1,97 @@
load(
"//tensorflow/core/platform:default/build_config.bzl",
"tf_proto_library_cc",
"tf_proto_library_py",
)
load(
"//tensorflow:tensorflow.bzl",
"tf_cc_test",
)
package(
default_visibility = ["//visibility:public"],
licenses = ["notice"], # Apache 2.0
)
tf_proto_library_cc(
name = "toco_conversion_log_proto",
srcs = ["toco_conversion_log.proto"],
visibility = ["//visibility:public"],
)
tf_proto_library_py(
name = "toco_conversion_log_proto",
srcs = ["toco_conversion_log.proto"],
visibility = ["//visibility:public"],
)
cc_library(
name = "conversion_log_util",
srcs = ["conversion_log_util.cc"],
hdrs = ["conversion_log_util.h"],
visibility = ["//visibility:public"],
deps = [
":toco_conversion_log_proto_cc",
"//tensorflow/core:protos_all",
"//tensorflow/lite:version",
"//tensorflow/lite/toco:model",
"//tensorflow/lite/toco:tooling_util",
"//tensorflow/lite/toco/tflite:export",
"//tensorflow/lite/toco/tflite:operator",
"@com_google_absl//absl/strings",
"@com_google_absl//absl/time",
],
)
tf_cc_test(
name = "conversion_log_util_test",
srcs = ["conversion_log_util_test.cc"],
visibility = ["//visibility:public"],
deps = [
":conversion_log_util",
"//tensorflow/core:ops",
"//tensorflow/core:protos_all",
"//tensorflow/lite/toco:model",
"//tensorflow/lite/toco:model_flags_proto",
"@com_google_absl//absl/memory",
"@com_google_googletest//:gtest",
"@com_google_googletest//:gtest_main",
],
)
filegroup(
name = "html_template",
srcs = [
"template.html",
],
)
py_library(
name = "gen_html",
srcs = ["gen_html.py"],
data = [
"html_template",
],
srcs_version = "PY2AND3",
visibility = ["//visibility:public"],
)
py_test(
name = "gen_html_test",
srcs = ["gen_html_test.py"],
data = [
"//tensorflow/lite/toco/logging:template.html",
"//tensorflow/lite/toco/logging/testdata:generated.html",
"//tensorflow/lite/toco/logging/testdata:toco_log_after.pb",
"//tensorflow/lite/toco/logging/testdata:toco_log_before.pb",
"//tensorflow/lite/toco/logging/testdata:toco_tf_graph.dot",
"//tensorflow/lite/toco/logging/testdata:toco_tflite_graph.dot",
],
python_version = "PY2",
srcs_version = "PY2AND3",
deps = [
":gen_html",
":toco_conversion_log_proto_py",
"//tensorflow/python:client_testlib",
],
)

241
tensorflow/lite/toco/logging/conversion_log_util.cc Normal file
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@ -0,0 +1,241 @@
/* Copyright 2019 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.
==============================================================================*/
#include "tensorflow/lite/toco/logging/conversion_log_util.h"
#include <sys/utsname.h>
#include <vector>
#include "absl/strings/str_cat.h"
#include "absl/time/clock.h"
#include "absl/time/time.h"
#include "tensorflow/core/framework/node_def.pb.h"
#include "tensorflow/lite/toco/model.h"
#include "tensorflow/lite/toco/tflite/export.h"
#include "tensorflow/lite/toco/tflite/operator.h"
#include "tensorflow/lite/toco/tooling_util.h"
#include "tensorflow/lite/version.h"
namespace toco {
namespace {
string TryGetOperatorName(const Operator& op) {
string op_name;
if (!op.tensorflow_node_def.empty()) {
// Parse op name from serialized NodeDef.
tensorflow::NodeDef node_def;
if (!node_def.ParseFromString(op.tensorflow_node_def)) {
LOG(ERROR) << "Failed to parse Tensorflow NodeDef";
} else {
op_name = node_def.op();
if (!op_name.empty()) return op_name;
}
}
if (op.type == OperatorType::kUnsupported) {
// If we failed to get op name from serialized NodeDef (either because
// the tensorflow_node_def is an empty string, or we failed to parse
// from it), fall back to use 'tensorflow_op' field if this op is a
// TensorflowUnsupportedOperator.
const TensorFlowUnsupportedOperator& unsupported_op =
static_cast<const TensorFlowUnsupportedOperator&>(op);
if (!unsupported_op.tensorflow_op.empty()) {
op_name = unsupported_op.tensorflow_op;
return op_name;
}
}
// If this is a built-in op.
op_name = OperatorTypeName(op.type);
return op_name;
}
string GetOSVersion() {
utsname info;
if (uname(&info)) {
// Failed
LOG(ERROR) << "Cannot get OS info.";
return "";
}
string os_info =
string(info.sysname) + ";OSVer=" + string(info.release) + ";";
return os_info;
}
string ShapeToStringNoSpace(const Shape& shape) {
if (shape.dimensions_count() == 0) {
return "[]";
}
return absl::StrCat("[", absl::StrJoin(shape.dims(), ","), "]");
}
string GetOperatorSignature(
const Model& model, const Operator& op,
const std::map<OperatorType, std::unique_ptr<tflite::BaseOperator>>&
op_types_map) {
// The signature of an op has the following schema:
// INPUT:SHAPE::TYPE::OUTPUT:SHAPE::TYPE::NAME:VERSION:
string op_signature;
constexpr char delimiter[] = "::";
// Get input shapes and types.
op_signature.append("INPUT:");
for (const auto& input : op.inputs) {
const auto& array = model.GetArray(input);
if (array.has_shape()) {
op_signature.append(ShapeToStringNoSpace(array.shape()));
} else {
op_signature.append("None");
}
op_signature.append(delimiter);
op_signature.append(ArrayDataTypeName(array.data_type) + delimiter);
}
// Get output shapes and types.
op_signature.append("OUTPUT:");
for (const auto& output : op.outputs) {
const auto& array = model.GetArray(output);
if (array.has_shape()) {
op_signature.append(ShapeToStringNoSpace(array.shape()));
} else {
op_signature.append("None");
}
op_signature.append(delimiter);
op_signature.append(ArrayDataTypeName(array.data_type) + delimiter);
}
// Append Op name.
op_signature.append("NAME:");
op_signature.append(TryGetOperatorName(op) + delimiter);
// Append Op version.
op_signature.append("VERSION:");
OperatorSignature toco_op_signature;
toco_op_signature.op = &op;
toco_op_signature.model = &model;
if (op_types_map.find(op.type) != op_types_map.end()) {
const int version = op_types_map.at(op.type)->GetVersion(toco_op_signature);
op_signature.append(std::to_string(version));
} else {
op_signature.append("None");
}
return op_signature;
}
} // namespace
std::vector<string> GetOperatorNames(const Model& model) {
std::vector<string> op_names;
for (const auto& op : model.operators) {
op_names.push_back(TryGetOperatorName(*op));
}
return op_names;
}
void CountOperatorsByType(const Model& model,
std::map<string, int>* built_in_ops,
std::map<string, int>* custom_ops,
std::map<string, int>* select_ops) {
for (const auto& op : model.operators) {
OperatorSignature op_signature = {op.get(), &model};
const auto ops_by_type =
tflite::BuildOperatorByTypeMap(true /*enable_select_tf_ops*/);
tflite::details::OperatorKey op_key(op_signature, ops_by_type,
true /*enable_select_tf_ops*/);
const string op_name = TryGetOperatorName(*op);
if (op_key.is_custom_op()) {
(*custom_ops)[op_name]++;
} else if (op_key.is_flex_op()) {
(*select_ops)[op_name]++;
} else {
(*built_in_ops)[op_name]++;
}
}
}
void GetInputAndOutputTypes(
const Model& model, TFLITE_PROTO_NS::RepeatedPtrField<string>* input_types,
TFLITE_PROTO_NS::RepeatedPtrField<string>* output_types) {
for (const auto& input_array : model.flags.input_arrays()) {
const Array& array = model.GetArray(input_array.name());
input_types->Add(ArrayDataTypeName(array.data_type));
}
for (const auto& output_array : model.flags.output_arrays()) {
const Array& array = model.GetArray(output_array);
output_types->Add(ArrayDataTypeName(array.data_type));
}
}
string GetTfLiteVersion() { return TFLITE_VERSION_STRING; }
string GetCachedOSVersion() {
static string* version = new string(GetOSVersion());
return *version;
}
void GetOpSignatures(const Model& model,
TFLITE_PROTO_NS::RepeatedPtrField<string>* op_signatures) {
const auto& op_types_map =
tflite::BuildOperatorByTypeMap(true /*enable_select_tf_ops*/);
for (const auto& op : model.operators) {
op_signatures->Add(GetOperatorSignature(model, *op, op_types_map));
}
}
string GetModelHash(const Model& model) {
// TODO(b/123519920): Implement the hash function for Model.
// Need to consider different implementations for public/private models.
return "";
}
void PopulateConversionLog(const Model& model, TocoConversionLog* log) {
// Get the list of ops after conversion.
const std::vector<string> op_names = GetOperatorNames(model);
for (const auto& op_name : op_names) {
log->add_op_list(op_name);
}
// Get op signatures.
TFLITE_PROTO_NS::RepeatedPtrField<string> op_signatures;
GetOpSignatures(model, &op_signatures);
log->mutable_op_signatures()->CopyFrom(op_signatures);
// Get op counts by category: custom, built-in or select.
std::map<string, int> custom_ops, select_ops, built_in_ops;
CountOperatorsByType(model, &built_in_ops, &custom_ops, &select_ops);
log->mutable_custom_ops()->insert(custom_ops.cbegin(), custom_ops.cend());
log->mutable_built_in_ops()->insert(built_in_ops.cbegin(),
built_in_ops.cend());
log->mutable_select_ops()->insert(select_ops.cbegin(), select_ops.cend());
// Get the model's input and output types.
TFLITE_PROTO_NS::RepeatedPtrField<string> input_types, output_types;
GetInputAndOutputTypes(model, &input_types, &output_types);
log->mutable_input_tensor_types()->CopyFrom(input_types);
log->mutable_output_tensor_types()->CopyFrom(output_types);
log->set_log_generation_ts(absl::ToUnixMicros(absl::Now()));
log->set_model_size(model.operators.size());
log->set_tf_lite_version(GetTfLiteVersion());
log->set_os_version(GetCachedOSVersion());
log->set_model_hash(GetModelHash(model));
// TODO(b/123519920): Populate TOCO error logs.
// Currently we will focus on external installation of TOCO via pip, where
// the C++ TOCO binary is invoked via subprocess command, this will make our
// life easier collecting the error logs emitted by TOCO. However, note that
// if a user directly invokes the C++ TOCO binary, this log might not be
// available.
}
} // namespace toco

58
tensorflow/lite/toco/logging/conversion_log_util.h Normal file
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@ -0,0 +1,58 @@
/* Copyright 2019 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.
==============================================================================*/
#ifndef TENSORFLOW_LITE_TOCO_LOGGING_CONVERSION_LOG_UTIL_H_
#define TENSORFLOW_LITE_TOCO_LOGGING_CONVERSION_LOG_UTIL_H_
#include <map>
#include <vector>
#include "tensorflow/lite/toco/logging/toco_conversion_log.pb.h"
#include "tensorflow/lite/toco/model.h"
namespace toco {
// Populates the TocoConversionLog proto after analyzing the model.
void PopulateConversionLog(const Model& model, TocoConversionLog* log);
// Returns the names of the operators in the model.
std::vector<string> GetOperatorNames(const Model& model);
// Counts the number of different types of operators in the model:
// Built-in ops, custom ops and select ops.
// Each map is mapping from the name of the operator (such as 'Conv') to its
// total number of occurences in the model.
void CountOperatorsByType(const Model& model,
std::map<string, int>* built_in_ops,
std::map<string, int>* custom_ops,
std::map<string, int>* select_ops);
// Gets the input and output types of the model. The input and output is
// specified by model.flags.input_arrays and model.flags.output_arrays.
void GetInputAndOutputTypes(
const Model& model, TFLITE_PROTO_NS::RepeatedPtrField<string>* input_types,
TFLITE_PROTO_NS::RepeatedPtrField<string>* output_types);
// Calculates signatures for all the ops in the model. An op signature is
// defined by its input/output shapes and types, op name and its version.
void GetOpSignatures(const Model& model,
TFLITE_PROTO_NS::RepeatedPtrField<string>* op_signatures);
// TODO(b/123519920): Implement this.
// Calculates a unique hash for the model.
string GetModelHash(const Model& model);
} // namespace toco
#endif // TENSORFLOW_LITE_TOCO_LOGGING_CONVERSION_LOG_UTIL_H_

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/* Copyright 2019 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.
==============================================================================*/
#include "tensorflow/lite/toco/logging/conversion_log_util.h"
#include <memory>
#include <utility>
#include <vector>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include "absl/memory/memory.h"
#include "tensorflow/core/framework/node_def.pb.h"
#include "tensorflow/lite/toco/model.h"
#include "tensorflow/lite/toco/model_flags.pb.h"
namespace toco {
namespace {
using ::testing::ElementsAre;
using ::testing::UnorderedElementsAre;
TEST(ConversionLogUtilTest, TestGetOperatorNames) {
Model model;
// Built-in ops.
model.operators.push_back(absl::make_unique<ConvOperator>());
model.operators.push_back(absl::make_unique<MeanOperator>());
model.operators.push_back(absl::make_unique<NegOperator>());
// Flex ops.
auto avg_pool_3d = absl::make_unique<TensorFlowUnsupportedOperator>();
avg_pool_3d->tensorflow_op = "AvgPool3D";
tensorflow::NodeDef node_def;
node_def.set_op("AvgPool3D");
node_def.SerializeToString(&avg_pool_3d->tensorflow_node_def);
model.operators.push_back(std::move(avg_pool_3d));
// Custom ops.
auto my_custom_op = absl::make_unique<TensorFlowUnsupportedOperator>();
my_custom_op->tensorflow_op = "MyAwesomeCustomOp";
model.operators.push_back(std::move(my_custom_op));
const auto& output = GetOperatorNames(model);
EXPECT_THAT(output, ElementsAre("Conv", "Mean", "Neg", "AvgPool3D",
"MyAwesomeCustomOp"));
}
TEST(ConversionLogUtilTest, TestCountOperatorsByType) {
Model model;
// 1st Conv operator.
std::unique_ptr<ConvOperator> conv1(new ConvOperator());
const string conv1_input_name = "conv_input1";
const string conv1_filter_name = "conv_filter1";
const string conv1_output_name = "conv_output1";
conv1->inputs.push_back(conv1_input_name);
conv1->inputs.push_back(conv1_filter_name);
conv1->outputs.push_back(conv1_output_name);
auto& array_map = model.GetMutableArrayMap();
array_map[conv1_input_name] = std::unique_ptr<Array>(new Array);
array_map[conv1_filter_name] = std::unique_ptr<Array>(new Array);
array_map[conv1_output_name] = std::unique_ptr<Array>(new Array);
// 2nd Conv operator.
std::unique_ptr<ConvOperator> conv2(new ConvOperator());
const string conv2_input_name = "conv_input2";
const string conv2_filter_name = "conv_filter2";
const string conv2_output_name = "conv_output2";
conv2->inputs.push_back(conv2_input_name);
conv2->inputs.push_back(conv2_filter_name);
conv2->outputs.push_back(conv2_output_name);
array_map[conv2_input_name] = std::unique_ptr<Array>(new Array);
array_map[conv2_filter_name] = std::unique_ptr<Array>(new Array);
array_map[conv2_output_name] = std::unique_ptr<Array>(new Array);
// Mean operator.
std::unique_ptr<MeanOperator> mean(new MeanOperator());
const string mean_input_name = "mean_input";
mean->inputs.push_back(mean_input_name);
array_map[mean_input_name] = std::unique_ptr<Array>(new Array);
// 1st flex operator 'AvgPool3D'.
auto avg_pool_3d = absl::make_unique<TensorFlowUnsupportedOperator>();
avg_pool_3d->tensorflow_op = "AvgPool3D";
tensorflow::NodeDef node_def;
node_def.set_op("AvgPool3D");
node_def.SerializeToString(&avg_pool_3d->tensorflow_node_def);
// 2nd flex operator 'EluGrad'.
auto elu_grad = absl::make_unique<TensorFlowUnsupportedOperator>();
elu_grad->tensorflow_op = "EluGrad";
node_def.set_op("EluGrad");
node_def.SerializeToString(&elu_grad->tensorflow_node_def);
// 1st custom operator 'MyAwesomeCustomOp'.
auto my_custom_op = absl::make_unique<TensorFlowUnsupportedOperator>();
my_custom_op->tensorflow_op = "MyAwesomeCustomOp";
model.operators.push_back(std::move(conv1));
model.operators.push_back(std::move(conv2));
model.operators.push_back(std::move(mean));
model.operators.push_back(std::move(avg_pool_3d));
model.operators.push_back(std::move(elu_grad));
model.operators.push_back(std::move(my_custom_op));
std::map<string, int> built_in_ops, select_ops, custom_ops;
CountOperatorsByType(model, &built_in_ops, &custom_ops, &select_ops);
EXPECT_THAT(built_in_ops,
UnorderedElementsAre(std::pair<string, int>("Conv", 2),
std::pair<string, int>("Mean", 1)));
EXPECT_THAT(select_ops,
UnorderedElementsAre(std::pair<string, int>("AvgPool3D", 1),
std::pair<string, int>("EluGrad", 1)));
EXPECT_THAT(custom_ops, UnorderedElementsAre(
std::pair<string, int>("MyAwesomeCustomOp", 1)));
}
TEST(ConversionLogUtilTest, TestGetInputAndOutputTypes) {
Model model;
auto& array_map = model.GetMutableArrayMap();
const string input1 = "conv_input";
const string input2 = "conv_filter";
const string input3 = "feature";
const string output = "softmax";
array_map[input1] = std::unique_ptr<Array>(new Array);
array_map[input1]->data_type = ArrayDataType::kFloat;
array_map[input2] = std::unique_ptr<Array>(new Array);
array_map[input2]->data_type = ArrayDataType::kFloat;
array_map[input3] = std::unique_ptr<Array>(new Array);
array_map[input3]->data_type = ArrayDataType::kInt16;
array_map[output] = std::unique_ptr<Array>(new Array);
array_map[output]->data_type = ArrayDataType::kFloat;
InputArray input_arrays[3];
input_arrays[0].set_name(input1);
input_arrays[1].set_name(input2);
input_arrays[2].set_name(input3);
*model.flags.add_input_arrays() = input_arrays[0];
*model.flags.add_input_arrays() = input_arrays[1];
*model.flags.add_input_arrays() = input_arrays[2];
model.flags.add_output_arrays(output);
TFLITE_PROTO_NS::RepeatedPtrField<string> input_types, output_types;
GetInputAndOutputTypes(model, &input_types, &output_types);
EXPECT_THAT(input_types, ElementsAre("float", "float", "int16"));
EXPECT_THAT(output_types, ElementsAre("float"));
}
TEST(ConversionLogUtilTest, TestGetOpSignatures) {
Model model;
auto& array_map = model.GetMutableArrayMap();
std::unique_ptr<ConvOperator> conv(new ConvOperator());
const string conv_input_name = "conv_input";
const string conv_filter_name = "conv_filter";
const string conv_output_name = "conv_output";
conv->inputs.push_back(conv_input_name);
conv->inputs.push_back(conv_filter_name);
conv->outputs.push_back(conv_output_name);
array_map[conv_input_name] = std::unique_ptr<Array>(new Array);
array_map[conv_input_name]->data_type = ArrayDataType::kFloat;
array_map[conv_input_name]->copy_shape({4, 4, 3});
array_map[conv_filter_name] = std::unique_ptr<Array>(new Array);
array_map[conv_filter_name]->data_type = ArrayDataType::kFloat;
array_map[conv_filter_name]->copy_shape({2, 2});
array_map[conv_output_name] = std::unique_ptr<Array>(new Array);
array_map[conv_output_name]->data_type = ArrayDataType::kFloat;
array_map[conv_output_name]->copy_shape({4, 4, 2});
const string mean_input_name = "mean_input";
const string mean_output_name = "mean_output";
std::unique_ptr<MeanOperator> mean(new MeanOperator());
mean->inputs.push_back(mean_input_name);
mean->outputs.push_back(mean_output_name);
array_map[mean_input_name] = std::unique_ptr<Array>(new Array);
array_map[mean_output_name] = std::unique_ptr<Array>(new Array);
const string avg_pool_3d_output_name = "avg_pool_output";
auto avg_pool_3d = absl::make_unique<TensorFlowUnsupportedOperator>();
avg_pool_3d->tensorflow_op = "AvgPool3D";
tensorflow::NodeDef node_def;
node_def.set_op("AvgPool3D");
node_def.SerializeToString(&avg_pool_3d->tensorflow_node_def);
avg_pool_3d->inputs.push_back(conv_output_name);
avg_pool_3d->outputs.push_back(avg_pool_3d_output_name);
array_map[avg_pool_3d_output_name] = std::unique_ptr<Array>(new Array);
array_map[avg_pool_3d_output_name]->data_type = ArrayDataType::kInt32;
array_map[avg_pool_3d_output_name]->copy_shape({2, 2});
const string custom_op_output_name = "custom_op_output";
auto my_custom_op = absl::make_unique<TensorFlowUnsupportedOperator>();
my_custom_op->tensorflow_op = "MyAwesomeCustomOp";
my_custom_op->inputs.push_back(avg_pool_3d_output_name);
my_custom_op->outputs.push_back(custom_op_output_name);
array_map[custom_op_output_name] = std::unique_ptr<Array>(new Array);
array_map[custom_op_output_name]->data_type = ArrayDataType::kFloat;
array_map[custom_op_output_name]->copy_shape({3});
model.operators.push_back(std::move(conv));
model.operators.push_back(std::move(mean));
model.operators.push_back(std::move(avg_pool_3d));
model.operators.push_back(std::move(my_custom_op));
TFLITE_PROTO_NS::RepeatedPtrField<string> op_signatures;
GetOpSignatures(model, &op_signatures);
EXPECT_THAT(op_signatures,
UnorderedElementsAre(
"INPUT:[4,4,3]::float::[2,2]::float::OUTPUT:[4,4,2]::float::"
"NAME:Conv::VERSION:1",
"INPUT:None::None::OUTPUT:None::None::NAME:Mean::VERSION:1",
"INPUT:[4,4,2]::float::OUTPUT:[2,2]::int32::NAME:AvgPool3D::"
"VERSION:1",
"INPUT:[2,2]::int32::OUTPUT:[3]::float::NAME:"
"MyAwesomeCustomOp::VERSION:1"));
}
} // namespace
} // namespace toco

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# Copyright 2019 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.
# ==============================================================================
"""A utility class to generate the report HTML based on a common template."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import io
import os
from tensorflow.lite.toco.logging import toco_conversion_log_pb2 as _toco_conversion_log_pb2
from tensorflow.python.lib.io import file_io as _file_io
from tensorflow.python.platform import resource_loader as _resource_loader
html_escape_table = {
"&": "&amp;",
'"': "&quot;",
"'": "&apos;",
">": "&gt;",
"<": "&lt;",
}
def html_escape(text):
return "".join(html_escape_table.get(c, c) for c in text)
def get_input_type_from_signature(op_signature):
"""Parses op_signature and returns a string denoting the input tensor type.
Args:
op_signature: a string specifying the signature of a particular operator.
The signature of an operator contains the input tensor's shape and type,
output tensor's shape and type, operator's name and its version. It has
the following schema:
INPUT:input_1_shape::input_1_type::input_2_shape::input_2_type::..
::OUTPUT:output_1_shape::output_1_type::output_2_shape::output_2_type::
..::NAME:operator_name ::VERSION:operator_version
An example of an operator signature is:
INPUT:[1,73,73,160]::float::[64,1,1,160]::float::[64]::float::
OUTPUT:[1,73,73,64]::float::NAME:Conv::VERSION:1
Returns:
A string denoting the input tensors' type. In the form of shape/type
separated
by comma. For example:
shape:[1,73,73,160],type:float,shape:[64,1,1,160],type:float,shape:[64],
type:float
"""
start = op_signature.find(":")
end = op_signature.find("::OUTPUT")
inputs = op_signature[start + 1:end]
lst = inputs.split("::")
out_str = ""
for i in range(len(lst)):
if i % 2 == 0:
out_str += "shape:"
else:
out_str += "type:"
out_str += lst[i]
out_str += ","
return out_str[:-1]
def get_operator_type(op_name, conversion_log):
if op_name in conversion_log.built_in_ops:
return "BUILT-IN"
elif op_name in conversion_log.custom_ops:
return "CUSTOM OP"
else:
return "SELECT OP"
class HTMLGenerator(object):
"""Utility class to generate an HTML report."""
def __init__(self, html_template_path, export_report_path):
"""Reads the HTML template content.
Args:
html_template_path: A string, path to the template HTML file.
export_report_path: A string, path to the generated HTML report. This path
should point to a '.html' file with date and time in its name.
e.g. 2019-01-01-10:05.toco_report.html.
Raises:
IOError: File doesn't exist.
"""
# Load the template HTML.
if not _file_io.file_exists(html_template_path):
raise IOError("File '{0}' does not exist.".format(html_template_path))
with _file_io.FileIO(html_template_path, "r") as f:
self.html_template = f.read()
_file_io.recursive_create_dir(os.path.dirname(export_report_path))
self.export_report_path = export_report_path
def generate(self,
toco_conversion_log_before,
toco_conversion_log_after,
post_training_quant_enabled,
dot_before,
dot_after,
toco_err_log=""):
"""Generates the HTML report and writes it to local directory.
This function uses the fields in `toco_conversion_log_before` and
`toco_conversion_log_after` to populate the HTML content. Certain markers
(placeholders) in the HTML template are then substituted with the fields
from the protos. Once finished it will write the HTML file to the specified
local file path.
Args:
toco_conversion_log_before: A `TocoConversionLog` protobuf generated
before the model is converted by TOCO.
toco_conversion_log_after: A `TocoConversionLog` protobuf generated after
the model is converted by TOCO.
post_training_quant_enabled: A boolean, whether post-training quantization
is enabled.
dot_before: A string, the dot representation of the model
before the conversion.
dot_after: A string, the dot representation of the model after
the conversion.
toco_err_log: A string, the logs emitted by TOCO during conversion. Caller
need to ensure that this string is properly anoynimized (any kind of
user data should be eliminated).
Raises:
RuntimeError: When error occurs while generating the template.
"""
html_dict = {}
html_dict["<!--CONVERSION_STATUS-->"] = (
r'<span class="label label-danger">Fail</span>'
) if toco_err_log else r'<span class="label label-success">Success</span>'
html_dict["<!--TOTAL_OPS_BEFORE_CONVERT-->"] = str(
toco_conversion_log_before.model_size)
html_dict["<!--TOTAL_OPS_AFTER_CONVERT-->"] = str(
toco_conversion_log_after.model_size)
html_dict["<!--BUILT_IN_OPS_COUNT-->"] = str(
sum(toco_conversion_log_after.built_in_ops.values()))
html_dict["<!--SELECT_OPS_COUNT-->"] = str(
sum(toco_conversion_log_after.select_ops.values()))
html_dict["<!--CUSTOM_OPS_COUNT-->"] = str(
sum(toco_conversion_log_after.custom_ops.values()))
html_dict["<!--POST_TRAINING_QUANT_ENABLED-->"] = (
"is" if post_training_quant_enabled else "isn't")
pre_op_profile = ""
post_op_profile = ""
# Generate pre-conversion op profiles as a list of HTML table rows.
for i in range(len(toco_conversion_log_before.op_list)):
# Append operator name column.
pre_op_profile += "<tr><td>" + toco_conversion_log_before.op_list[
i] + "</td>"
# Append input type column.
if i < len(toco_conversion_log_before.op_signatures):
pre_op_profile += "<td>" + get_input_type_from_signature(
toco_conversion_log_before.op_signatures[i]) + "</td></tr>"
else:
pre_op_profile += "<td></td></tr>"
# Generate post-conversion op profiles as a list of HTML table rows.
for op in toco_conversion_log_after.op_list:
supported_type = get_operator_type(op, toco_conversion_log_after)
post_op_profile += ("<tr><td>" + op + "</td><td>" + supported_type +
"</td></tr>")
html_dict["<!--REPEAT_TABLE1_ROWS-->"] = pre_op_profile
html_dict["<!--REPEAT_TABLE2_ROWS-->"] = post_op_profile
html_dict["<!--DOT_BEFORE_CONVERT-->"] = dot_before
html_dict["<!--DOT_AFTER_CONVERT-->"] = dot_after
html_dict["<!--TOCO_ERROR_LOG-->"] = html_escape(toco_err_log)
# Replace each marker (as keys of html_dict) with the actual text (as values
# of html_dict) in the HTML template string.
template = self.html_template
for marker in html_dict:
template = template.replace(marker, html_dict[marker], 1)
# Check that the marker text is replaced.
if template.find(marker) != -1:
raise RuntimeError("Could not populate marker text %r" % marker)
with _file_io.FileIO(self.export_report_path, "w") as f:
f.write(template)
def gen_conversion_log_html(conversion_log_dir, quantization_enabled):
"""Generates an HTML report about the conversion process.
Args:
conversion_log_dir: A string specifying the file directory of the conversion
logs. It's required that before calling this function, the
`conversion_log_dir`
already contains the following files: `toco_log_before.pb`,
`toco_log_after.pb`, `toco_tf_graph.dot`,
`toco_tflite_graph.dot`.
quantization_enabled: A boolean, passed from the tflite converter to
indicate whether post-training quantization is enabled during conversion.
Raises:
IOError: When any of the required files doesn't exist.
"""
template_filename = _resource_loader.get_path_to_datafile("template.html")
if not os.path.exists(template_filename):
raise IOError("Failed to generate HTML: file '{0}' doesn't exist.".format(
template_filename))
toco_log_before_path = os.path.join(conversion_log_dir, "toco_log_before.pb")
toco_log_after_path = os.path.join(conversion_log_dir, "toco_log_after.pb")
dot_before_path = os.path.join(conversion_log_dir, "toco_tf_graph.dot")
dot_after_path = os.path.join(conversion_log_dir, "toco_tflite_graph.dot")
if not os.path.exists(toco_log_before_path):
raise IOError("Failed to generate HTML: file '{0}' doesn't exist.".format(
toco_log_before_path))
if not os.path.exists(toco_log_after_path):
raise IOError("Failed to generate HTML: file '{0}' doesn't exist.".format(
toco_log_after_path))
if not os.path.exists(dot_before_path):
raise IOError("Failed to generate HTML: file '{0}' doesn't exist.".format(
dot_before_path))
if not os.path.exists(dot_after_path):
raise IOError("Failed to generate HTML: file '{0}' doesn't exist.".format(
dot_after_path))
html_generator = HTMLGenerator(
template_filename,
os.path.join(conversion_log_dir, "toco_conversion_summary.html"))
# Parse the generated `TocoConversionLog`.
toco_conversion_log_before = _toco_conversion_log_pb2.TocoConversionLog()
toco_conversion_log_after = _toco_conversion_log_pb2.TocoConversionLog()
with open(toco_log_before_path, "rb") as f:
toco_conversion_log_before.ParseFromString(f.read())
with open(toco_log_after_path, "rb") as f:
toco_conversion_log_after.ParseFromString(f.read())
# Read the dot file before/after the conversion.
with io.open(dot_before_path, "r", encoding="utf-8") as f:
dot_before = f.read().rstrip()
with io.open(dot_after_path, "r", encoding="utf-8") as f:
dot_after = f.read().rstrip()
html_generator.generate(toco_conversion_log_before, toco_conversion_log_after,
quantization_enabled, dot_before, dot_after,
toco_conversion_log_after.toco_err_logs)

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# Copyright 2018 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 gen_html.py."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import shutil
from tensorflow.lite.toco.logging import gen_html
from tensorflow.lite.toco.logging import toco_conversion_log_pb2 as _toco_conversion_log_pb2
from tensorflow.python.framework import test_util
from tensorflow.python.lib.io import file_io as _file_io
from tensorflow.python.platform import resource_loader
from tensorflow.python.platform import test
class GenHtmlTest(test_util.TensorFlowTestCase):
def test_generate_html(self):
toco_conversion_log_before = _toco_conversion_log_pb2.TocoConversionLog()
toco_conversion_log_after = _toco_conversion_log_pb2.TocoConversionLog()
toco_conversion_log_before.op_list.extend([
"Conv1", "Conv2", "Identity", "Reshape", "Dense", "Dense", "CustomOp",
"AvgPool3D", "Softmax"
])
toco_conversion_log_before.model_size = 9
toco_conversion_log_after.op_list.extend([
"Conv1", "Conv2", "Dense", "Dense", "CustomOp", "AvgPool3D", "Softmax"
])
toco_conversion_log_after.built_in_ops["Conv1"] = 1
toco_conversion_log_after.built_in_ops["Conv2"] = 1
toco_conversion_log_after.built_in_ops["Dense"] = 2
toco_conversion_log_after.built_in_ops["Softmax"] = 1
toco_conversion_log_after.custom_ops["CustomOp"] = 1
toco_conversion_log_after.select_ops["AvgPool3D"] = 1
toco_conversion_log_after.model_size = 7
export_path = os.path.join(self.get_temp_dir(), "generated.html")
html_generator = gen_html.HTMLGenerator(
html_template_path=resource_loader.get_path_to_datafile(
"template.html"),
export_report_path=export_path)
html_generator.generate(toco_conversion_log_before,
toco_conversion_log_after, True,
"digraph {a -> b}", "digraph {a -> b}")
with _file_io.FileIO(export_path, "r") as f_export, _file_io.FileIO(
resource_loader.get_path_to_datafile("testdata/generated.html"),
"r") as f_expect:
expected = f_expect.read()
exported = f_export.read()
self.assertEqual(exported, expected)
def test_gen_conversion_log_html(self):
# Copies all required data files into a temporary folder for testing.
export_path = self.get_temp_dir()
toco_log_before_path = resource_loader.get_path_to_datafile(
"testdata/toco_log_before.pb")
toco_log_after_path = resource_loader.get_path_to_datafile(
"testdata/toco_log_after.pb")
dot_before = resource_loader.get_path_to_datafile(
"testdata/toco_tf_graph.dot")
dot_after = resource_loader.get_path_to_datafile(
"testdata/toco_tflite_graph.dot")
shutil.copy(toco_log_before_path, export_path)
shutil.copy(toco_log_after_path, export_path)
shutil.copy(dot_before, export_path)
shutil.copy(dot_after, export_path)
# Generate HTML content based on files in the test folder.
gen_html.gen_conversion_log_html(export_path, True)
result_html = os.path.join(export_path, "toco_conversion_summary.html")
with _file_io.FileIO(result_html, "r") as f_export, _file_io.FileIO(
resource_loader.get_path_to_datafile("testdata/generated.html"),
"r") as f_expect:
expected = f_expect.read()
exported = f_export.read()
self.assertEqual(exported, expected)
def test_get_input_type_from_signature(self):
op_signatures = [
("INPUT:[1,73,73,160]::float::[64,1,1,160]::float::[64]::float::"
"OUTPUT:[1,73,73,64]::float::NAME:Conv::VERSION:1")
]
expect_input_types = [
("shape:[1,73,73,160],type:float,shape:[64,1,1,160],type:float,"
"shape:[64],type:float")
]
for i in range(len(op_signatures)):
self.assertEqual(
gen_html.get_input_type_from_signature(op_signatures[i]),
expect_input_types[i])
if __name__ == "__main__":
test.main()

163
tensorflow/lite/toco/logging/template.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- If IE use the latest rendering engine -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- Set the page to the width of the device and set the zoon level -->
<meta name="viewport" content="width = device-width, initial-scale = 1">
<title>Tensorflow Conversion Tooling & Logging</title>
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<style>
.jumbotron{
background-color:#2E2D88;
color:white;
}
/* Adds borders for tabs */
.tab-content {
border-left: 1px solid #ddd;
border-right: 1px solid #ddd;
border-bottom: 1px solid #ddd;
padding: 10px;
}
.nav-tabs {
margin-bottom: 0;
}
</style>
</head>
<body>
<!-- CONTAINERS -->
<!-- container puts padding around itself while container-fluid fills the whole screen. Bootstap grids require a container. -->
<div class="container">
<!-- page-header adds space aroundtext and enlarges it. It also adds an underline at the end -->
<div class="page-header">
<h1>Tensorflow Conversion Tooling & Logging</h1>
</div>
<!-- jumbotron enlarges fonts and puts everything in a gray box with rounded corners. If jumbotron is outside a container it fills the total width. You can change the styles by placing the changes after the Bootstrap CDN link -->
<div class="container">
<div class="input-group mb-3" style="display: none;">
<div class="input-group-prepend">
<div class="input-group-text">
<label>
<input type="checkbox" aria-label="Checkbox for following text input"> I&apos;ve reviewed the <a href="https://www.tensorflow.org/">data collection policy</a> and agree to submit this data to Google.
<button type="button" class="btn btn-primary">Submit Conversion Log</button>
</label>
</div>
</div>
</div>
<h2>Conversion Summary
<!--CONVERSION_STATUS-->
</h2>
<ul class="list-group">
<li class="list-group-item">Total ops used before conversion: <!--TOTAL_OPS_BEFORE_CONVERT--></li>
<li class="list-group-item">Total ops used post conversion: <!--TOTAL_OPS_AFTER_CONVERT-->
<span class="badge badge-pill badge-primary"><!--BUILT_IN_OPS_COUNT--> Built-in Ops</span>
<span class="badge badge-pill badge-primary"><!--SELECT_OPS_COUNT--> Select Ops</span>
<span class="badge badge-pill badge-primary"><!--CUSTOM_OPS_COUNT--> Custom Ops</span>
</li>
<li class="list-group-item">Post-training quantization <!--POST_TRAINING_QUANT_ENABLED--> applied.</li>
</ul>
<h2>Operator Profile</h2>
<div class="container">
<!-- You can constrain the columns if you want -->
<div class="row">
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Pre-conversion Op Profile</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Operations Used</td>
<th class="text-center">Input Types</td>
</tr>
<!--REPEAT_TABLE1_ROWS-->
</tbody>
</table>
</div>
</div>
<div class="container">
<div class="row">
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Post-conversion Op Profile</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Operations Used</td>
<th class="text-center">Supported</td>
</tr>
<!--REPEAT_TABLE2_ROWS-->
</tbody>
</table>
</div>
</div>
<h2>Graph Visualization</h2>
<div class="container">
<div class="row">
<div>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://unpkg.com/viz.js@1.8.1/viz.js" type="javascript/worker"></script>
<script src="https://unpkg.com/d3-graphviz@2.6.1/build/d3-graphviz.js"></script>
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Compare the model before/after conversion</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Before Conversion <button class="btn btn-default" type="button">Open</button></td>
<th class="text-center">After Conversion <button class="btn btn-default" type="button">Open</button></td>
</tr>
<tr>
<td><div id="graph1" style="text-align: center;"></div></td>
<td><div id="graph2" style="text-align: center;"></div></td>
<script>d3.select("#graph1").graphviz().fade(false).width(500).height(600).zoomScaleExtent([0.1,100]).fit(true).renderDot(`<!--DOT_BEFORE_CONVERT-->`);</script>
<script>d3.select("#graph2").graphviz().fade(false).width(500).height(600).zoomScaleExtent([0.1,100]).fit(true).renderDot(`<!--DOT_AFTER_CONVERT-->`);</script>
</tr>
</tbody>
</table>
</div>
</div>
<h2>Conversion Log</h2>
<div>
<pre class="pre-scrollable">
<code><!--TOCO_ERROR_LOG--></code>
</pre>
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</body>
</html>

6
tensorflow/lite/toco/logging/testdata/BUILD vendored Normal file
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@ -0,0 +1,6 @@
package(
default_visibility = ["//tensorflow:internal"],
licenses = ["notice"], # Apache 2.0
)
exports_files(glob(["*.html"]) + glob(["*.pb"]) + glob(["*.dot"]))

163
tensorflow/lite/toco/logging/testdata/generated.html vendored Normal file
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@ -0,0 +1,163 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<!-- If IE use the latest rendering engine -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- Set the page to the width of the device and set the zoon level -->
<meta name="viewport" content="width = device-width, initial-scale = 1">
<title>Tensorflow Conversion Tooling & Logging</title>
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<style>
.jumbotron{
background-color:#2E2D88;
color:white;
}
/* Adds borders for tabs */
.tab-content {
border-left: 1px solid #ddd;
border-right: 1px solid #ddd;
border-bottom: 1px solid #ddd;
padding: 10px;
}
.nav-tabs {
margin-bottom: 0;
}
</style>
</head>
<body>
<!-- CONTAINERS -->
<!-- container puts padding around itself while container-fluid fills the whole screen. Bootstap grids require a container. -->
<div class="container">
<!-- page-header adds space aroundtext and enlarges it. It also adds an underline at the end -->
<div class="page-header">
<h1>Tensorflow Conversion Tooling & Logging</h1>
</div>
<!-- jumbotron enlarges fonts and puts everything in a gray box with rounded corners. If jumbotron is outside a container it fills the total width. You can change the styles by placing the changes after the Bootstrap CDN link -->
<div class="container">
<div class="input-group mb-3" style="display: none;">
<div class="input-group-prepend">
<div class="input-group-text">
<label>
<input type="checkbox" aria-label="Checkbox for following text input"> I&apos;ve reviewed the <a href="https://www.tensorflow.org/">data collection policy</a> and agree to submit this data to Google.
<button type="button" class="btn btn-primary">Submit Conversion Log</button>
</label>
</div>
</div>
</div>
<h2>Conversion Summary
<span class="label label-success">Success</span>
</h2>
<ul class="list-group">
<li class="list-group-item">Total ops used before conversion: 9</li>
<li class="list-group-item">Total ops used post conversion: 7
<span class="badge badge-pill badge-primary">5 Built-in Ops</span>
<span class="badge badge-pill badge-primary">1 Select Ops</span>
<span class="badge badge-pill badge-primary">1 Custom Ops</span>
</li>
<li class="list-group-item">Post-training quantization is applied.</li>
</ul>
<h2>Operator Profile</h2>
<div class="container">
<!-- You can constrain the columns if you want -->
<div class="row">
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Pre-conversion Op Profile</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Operations Used</td>
<th class="text-center">Input Types</td>
</tr>
<tr><td>Conv1</td><td></td></tr><tr><td>Conv2</td><td></td></tr><tr><td>Identity</td><td></td></tr><tr><td>Reshape</td><td></td></tr><tr><td>Dense</td><td></td></tr><tr><td>Dense</td><td></td></tr><tr><td>CustomOp</td><td></td></tr><tr><td>AvgPool3D</td><td></td></tr><tr><td>Softmax</td><td></td></tr>
</tbody>
</table>
</div>
</div>
<div class="container">
<div class="row">
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Post-conversion Op Profile</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Operations Used</td>
<th class="text-center">Supported</td>
</tr>
<tr><td>Conv1</td><td>BUILT-IN</td></tr><tr><td>Conv2</td><td>BUILT-IN</td></tr><tr><td>Dense</td><td>BUILT-IN</td></tr><tr><td>Dense</td><td>BUILT-IN</td></tr><tr><td>CustomOp</td><td>CUSTOM OP</td></tr><tr><td>AvgPool3D</td><td>SELECT OP</td></tr><tr><td>Softmax</td><td>BUILT-IN</td></tr>
</tbody>
</table>
</div>
</div>
<h2>Graph Visualization</h2>
<div class="container">
<div class="row">
<div>
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://unpkg.com/viz.js@1.8.1/viz.js" type="javascript/worker"></script>
<script src="https://unpkg.com/d3-graphviz@2.6.1/build/d3-graphviz.js"></script>
<!-- The table class adds nice spacing and the other classes add additional style -->
<table class="table table-bordered table-striped table-hover">
<thead>
<tr>
<td colspan="4"><b>Compare the model before/after conversion</b></td>
</tr>
</thead>
<tbody>
<tr>
<!-- Use text alignment like text-center or text-right -->
<th class="text-center">Before Conversion <button class="btn btn-default" type="button">Open</button></td>
<th class="text-center">After Conversion <button class="btn btn-default" type="button">Open</button></td>
</tr>
<tr>
<td><div id="graph1" style="text-align: center;"></div></td>
<td><div id="graph2" style="text-align: center;"></div></td>
<script>d3.select("#graph1").graphviz().fade(false).width(500).height(600).zoomScaleExtent([0.1,100]).fit(true).renderDot(`digraph {a -> b}`);</script>
<script>d3.select("#graph2").graphviz().fade(false).width(500).height(600).zoomScaleExtent([0.1,100]).fit(true).renderDot(`digraph {a -> b}`);</script>
</tr>
</tbody>
</table>
</div>
</div>
<h2>Conversion Log</h2>
<div>
<pre class="pre-scrollable">
<code></code>
</pre>
</div>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
</body>
</html>

14
tensorflow/lite/toco/logging/testdata/toco_log_after.pb vendored Normal file
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@ -0,0 +1,14 @@
Conv1
Conv2
Dense
Dense
CustomOp
AvgPool3D
Softmax
Softmax
Conv2
Conv1
Dense
CustomOp"
AvgPool3DH

10
tensorflow/lite/toco/logging/testdata/toco_log_before.pb vendored Normal file
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@ -0,0 +1,10 @@
Conv1
Conv2
Identity
Reshape
Dense
Dense
CustomOp
AvgPool3D
SoftmaxH

1
tensorflow/lite/toco/logging/testdata/toco_tf_graph.dot vendored Normal file
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@ -0,0 +1 @@
digraph {a -> b}

1
tensorflow/lite/toco/logging/testdata/toco_tflite_graph.dot vendored Normal file
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@ -0,0 +1 @@
digraph {a -> b}

50
tensorflow/lite/toco/logging/toco_conversion_log.proto Normal file
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@ -0,0 +1,50 @@
// Copyright 2019 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.
syntax = "proto2";
package toco;
// TocoConversionLog contains the analytics to be gathered when user converts
// a model to TF Lite using TOCO.
// Next ID to USE: 14.
message TocoConversionLog {
// Total ops listed by name.
repeated string op_list = 1;
// Counts of built-in ops.
// Key is op name and value is the count.
map<string, int32> built_in_ops = 2;
// Counts of custom ops.
map<string, int32> custom_ops = 3;
// Counts of select ops.
map<string, int32> select_ops = 4;
// The signature of operators. Including ops input/output types and shapes,
// op name and version.
repeated string op_signatures = 5;
// Input tensor types.
repeated string input_tensor_types = 6;
// Output tensor types.
repeated string output_tensor_types = 7;
// Log generation time in micro-seconds.
optional int64 log_generation_ts = 8;
// Total number of ops in the model.
optional int32 model_size = 9;
// Tensorflow Lite runtime version.
optional string tf_lite_version = 10;
// Operating System info.
optional string os_version = 11;
// Model hash string.
optional string model_hash = 12;
// Error messages emitted by TOCO during conversion.
optional string toco_err_logs = 13;
}

3
tensorflow/lite/toco/model_cmdline_flags.cc
View File

@ -132,6 +132,9 @@ bool ParseModelFlagsFromCommandLineFlags(
parsed_flags.dump_graphviz_video.default_value(), parsed_flags.dump_graphviz_video.default_value(),
"If true, will dump graphviz at each " "If true, will dump graphviz at each "
"graph transformation, which may be used to generate a video."), "graph transformation, which may be used to generate a video."),
Flag("conversion_summary_dir", parsed_flags.conversion_summary_dir.bind(),
parsed_flags.conversion_summary_dir.default_value(),
"Local file directory to store the conversion logs."),
Flag("allow_nonexistent_arrays", Flag("allow_nonexistent_arrays",
parsed_flags.allow_nonexistent_arrays.bind(), parsed_flags.allow_nonexistent_arrays.bind(),
parsed_flags.allow_nonexistent_arrays.default_value(), parsed_flags.allow_nonexistent_arrays.default_value(),

4
tensorflow/lite/toco/python/BUILD
View File

@ -34,15 +34,19 @@ cc_library(
"//tensorflow/python:__subpackages__", "//tensorflow/python:__subpackages__",
], ],
deps = [ deps = [
"@com_google_protobuf//:protobuf_headers",
"//third_party/python_runtime:headers", "//third_party/python_runtime:headers",
"//tensorflow/core:lib", "//tensorflow/core:lib",
"//tensorflow/lite/python/interpreter_wrapper:python_utils", "//tensorflow/lite/python/interpreter_wrapper:python_utils",
"//tensorflow/lite/toco/logging:conversion_log_util",
"//tensorflow/lite/toco:model_flags_proto", "//tensorflow/lite/toco:model_flags_proto",
"//tensorflow/lite/toco:toco_convert", "//tensorflow/lite/toco:toco_convert",
"//tensorflow/lite/toco/logging:toco_conversion_log_proto_cc",
"//tensorflow/lite/toco:toco_flags_proto", "//tensorflow/lite/toco:toco_flags_proto",
"//tensorflow/lite/toco:toco_graphviz_dump_options", "//tensorflow/lite/toco:toco_graphviz_dump_options",
"//tensorflow/lite/toco:toco_port", "//tensorflow/lite/toco:toco_port",
"//tensorflow/lite/toco:toco_tooling", "//tensorflow/lite/toco:toco_tooling",
"//tensorflow/lite/toco:tooling_util",
"//tensorflow/core:protos_all", "//tensorflow/core:protos_all",
"//tensorflow/compiler/mlir/lite/python:graphdef_to_tfl_flatbuffer", "//tensorflow/compiler/mlir/lite/python:graphdef_to_tfl_flatbuffer",
] + select({ ] + select({

48
tensorflow/lite/toco/python/toco_python_api.cc
View File

@ -14,14 +14,18 @@ limitations under the License.
==============================================================================*/ ==============================================================================*/
#include "tensorflow/lite/toco/python/toco_python_api.h" #include "tensorflow/lite/toco/python/toco_python_api.h"
#include <fstream>
#include <map> #include <map>
#include <string> #include <string>
#include <vector> #include <vector>
#include "google/protobuf/text_format.h"
#include "tensorflow/compiler/mlir/lite/python/graphdef_to_tfl_flatbuffer.h" #include "tensorflow/compiler/mlir/lite/python/graphdef_to_tfl_flatbuffer.h"
#include "tensorflow/core/platform/logging.h" #include "tensorflow/core/platform/logging.h"
#include "tensorflow/lite/python/interpreter_wrapper/python_utils.h" #include "tensorflow/lite/python/interpreter_wrapper/python_utils.h"
#include "tensorflow/lite/toco/import_tensorflow.h" #include "tensorflow/lite/toco/import_tensorflow.h"
#include "tensorflow/lite/toco/logging/conversion_log_util.h"
#include "tensorflow/lite/toco/logging/toco_conversion_log.pb.h"
#include "tensorflow/lite/toco/model_flags.pb.h" #include "tensorflow/lite/toco/model_flags.pb.h"
#include "tensorflow/lite/toco/toco_convert.h" #include "tensorflow/lite/toco/toco_convert.h"
#include "tensorflow/lite/toco/toco_flags.pb.h" #include "tensorflow/lite/toco/toco_flags.pb.h"
@ -29,9 +33,48 @@ limitations under the License.
#include "tensorflow/lite/toco/toco_port.h" #include "tensorflow/lite/toco/toco_port.h"
#include "tensorflow/lite/toco/toco_tooling.h" #include "tensorflow/lite/toco/toco_tooling.h"
#include "tensorflow/lite/toco/toco_types.h" #include "tensorflow/lite/toco/toco_types.h"
#include "tensorflow/lite/toco/tooling_util.h"
namespace toco { namespace toco {
void PopulateConversionLogHelper(const toco::ModelFlags& model_flags,
toco::TocoFlags* toco_flags,
const string& input_contents_txt,
const string& output_file_contents_txt,
const string& error_message,
GraphVizDumpOptions* dump_options) {
// Make sure the graphviz file will be dumped under the same folder.
dump_options->dump_graphviz = toco_flags->conversion_summary_dir();
// Here we construct the `toco::Model` class based on the input graph def,
// it will then be used to populate the conversion log.
// TODO(haoliang): Don't depend on `toco::Model`.
std::unique_ptr<toco::Model> imported_model =
toco::Import(*toco_flags, model_flags, input_contents_txt);
// Dump pre-conversion toco logs.
TocoConversionLog toco_log_before;
PopulateConversionLog(*imported_model, &toco_log_before);
std::ofstream osstream_before(toco_flags->conversion_summary_dir() +
"/toco_log_before.pb");
toco_log_before.SerializeToOstream(&osstream_before);
osstream_before.close();
toco::LogDump(toco::kLogLevelModelChanged, "tf_graph", *imported_model);
// Populate the post-conversion log, for convenient initiate the
// `toco::Model` class from the generated flatbuffer.
toco_flags->set_input_format(toco::FileFormat::TFLITE);
std::unique_ptr<toco::Model> flatbuffer_model =
toco::Import(*toco_flags, model_flags, output_file_contents_txt);
// Dump post-conversion toco logs.
TocoConversionLog toco_log_after;
PopulateConversionLog(*flatbuffer_model, &toco_log_after);
toco_log_after.set_toco_err_logs(error_message);
std::ofstream ostream_after(toco_flags->conversion_summary_dir() +
"/toco_log_after.pb");
toco_log_after.SerializeToOstream(&ostream_after);
ostream_after.close();
toco::LogDump(toco::kLogLevelModelChanged, "tflite_graph", *flatbuffer_model);
}
// NOTE(aselle): We are using raw PyObject's here because we want to make // NOTE(aselle): We are using raw PyObject's here because we want to make
// sure we input and output bytes rather than unicode strings for Python3. // sure we input and output bytes rather than unicode strings for Python3.
PyObject* TocoConvert(PyObject* model_flags_proto_txt_raw, PyObject* TocoConvert(PyObject* model_flags_proto_txt_raw,
@ -124,6 +167,11 @@ PyObject* TocoConvert(PyObject* model_flags_proto_txt_raw,
status = tensorflow::ConvertGraphDefToTFLiteFlatBuffer( status = tensorflow::ConvertGraphDefToTFLiteFlatBuffer(
model_flags, toco_flags, debug_info, graph_def, model_flags, toco_flags, debug_info, graph_def,
&output_file_contents_txt); &output_file_contents_txt);
if (!toco_flags.conversion_summary_dir().empty()) {
PopulateConversionLogHelper(model_flags, &toco_flags, input_contents_txt,
output_file_contents_txt,
status.error_message(), &dump_options);
}
} else { } else {
status = Convert(input_contents_txt, toco_flags, model_flags, status = Convert(input_contents_txt, toco_flags, model_flags,
&output_file_contents_txt, &arithmetic_ops_count); &output_file_contents_txt, &arithmetic_ops_count);

6
tensorflow/lite/toco/toco_flags.proto
View File

@ -38,7 +38,7 @@ enum FileFormat {
// of as properties of models, instead describing how models are to be // of as properties of models, instead describing how models are to be
// processed in the context of the present tooling job. // processed in the context of the present tooling job.
// //
// Next ID to use: 31. // Next ID to use: 32.
message TocoFlags { message TocoFlags {
// Input file format // Input file format
optional FileFormat input_format = 1; optional FileFormat input_format = 1;
@ -218,4 +218,8 @@ message TocoFlags {
// runtime memory offsets for activation Tensors (with 128 bits alignment) // runtime memory offsets for activation Tensors (with 128 bits alignment)
// and error out on models with undetermined Tensor shape. (Default: True) // and error out on models with undetermined Tensor shape. (Default: True)
optional bool allow_dynamic_tensors = 30 [default = true]; optional bool allow_dynamic_tensors = 30 [default = true];
// Full filepath of the folder to dump conversion logs. This includes a global
// view of the conversion process, and user can choose to submit those logs.
optional string conversion_summary_dir = 31;
} }