tflite-micro/python/tflite_micro/_runtime.cc
Ryan Kuester 9664901486
feat(python): add alt decompression memory parameter to interpreter (#3614)
Add alt_decompression_memory_size parameter to the Python interpreter
API. When non-zero, allocates a separate memory region for DECODE
operator outputs and calls SetDecompressionMemory before AllocateTensors.

BUG=part of #3256
2026-07-06 16:38:39 +00:00

77 lines
3.1 KiB
C++

/* Copyright 2022 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 <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include "python/tflite_micro/interpreter_wrapper.h"
#include "python/tflite_micro/pybind11_lib.h"
namespace py = pybind11;
using tflite::InterpreterWrapper;
PYBIND11_MODULE(_runtime, m) {
m.doc() = "TFLite Micro Runtime Extension";
py::enum_<tflite::InterpreterConfig>(m, "PythonInterpreterConfig")
.value("kAllocationRecording",
tflite::InterpreterConfig::kAllocationRecording)
.value("kPreserveAllTensors",
tflite::InterpreterConfig::kPreserveAllTensors);
py::class_<InterpreterWrapper>(m, "InterpreterWrapper")
.def(py::init([](const py::bytes& data,
const std::vector<std::string>& registerers_by_name,
size_t arena_size, int num_resource_variables,
tflite::InterpreterConfig config,
size_t alt_decompression_memory_size) {
return std::unique_ptr<InterpreterWrapper>(new InterpreterWrapper(
data.ptr(), registerers_by_name, arena_size, num_resource_variables,
config, alt_decompression_memory_size));
}))
.def("PrintAllocations", &InterpreterWrapper::PrintAllocations)
.def("Invoke", &InterpreterWrapper::Invoke)
.def("Reset", &InterpreterWrapper::Reset)
.def(
"SetInputTensor",
[](InterpreterWrapper& self, py::handle& x, size_t index) {
self.SetInputTensor(x.ptr(), index);
},
py::arg("x"), py::arg("index"))
.def(
"GetOutputTensor",
[](InterpreterWrapper& self, size_t index) {
return tflite::PyoOrThrow(self.GetOutputTensor(index));
},
py::arg("index"))
.def(
"GetInputTensorDetails",
[](InterpreterWrapper& self, size_t index) {
return tflite::PyoOrThrow(self.GetInputTensorDetails(index));
},
py::arg("index"))
.def(
"GetTensor",
[](InterpreterWrapper& self, size_t tensor_index,
size_t subgraph_index = 0) {
return tflite::PyoOrThrow(
self.GetTensor(tensor_index, subgraph_index));
},
py::arg("tensor_index"), py::arg("subgraph_index"))
.def(
"GetOutputTensorDetails",
[](InterpreterWrapper& self, size_t index) {
return tflite::PyoOrThrow(self.GetOutputTensorDetails(index));
},
py::arg("index"));
}