1/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#include "pybind11/pybind11.h"
17#include "tensorflow/core/common_runtime/quantize_training.h"
18#include "tensorflow/python/lib/core/pybind11_lib.h"
19#include "tensorflow/python/lib/core/pybind11_status.h"
20
21namespace py = pybind11;
22
23namespace tensorflow {
24static PyObject* DoQuantizeTrainingOnGraphDefHelper(const string& input_graph,
25 int num_bits) {
26 string result;
27 // TODO(suharshs): Make the QuantizeAndDequantizeV2 configurable.
28 tensorflow::MaybeRaiseFromStatus(
29 tensorflow::DoQuantizeTrainingOnSerializedGraphDef(
30 input_graph, num_bits, "QuantizeAndDequantizeV2", &result));
31
32 PyObject* py_str = PyBytes_FromStringAndSize(result.data(), result.size());
33 if (!py_str) {
34 tensorflow::MaybeRaiseFromStatus(tensorflow::errors::Internal(
35 "Failed to generate serialized string of the rewritten graph."));
36 }
37 return py_str;
38}
39} // namespace tensorflow
40
41PYBIND11_MODULE(_pywrap_quantize_training, m) {
42 m.def("DoQuantizeTrainingOnGraphDefHelper",
43 [](const py::object input_graph, int num_bits) {
44 return tensorflow::PyoOrThrow(
45 tensorflow::DoQuantizeTrainingOnGraphDefHelper(
46 input_graph.cast<std::string>(), num_bits));
47 });
48};
49