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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. 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 "pass/PassData.h"
#include "passes/transformations/DataFormatSwitcher.h"
#include "passes/transformations/LowerConv2D.h"
#include "backends/interpreter/InterpreterBackend.h"
#include "backends/soft_backend/CPPGenerator.h"
#include "passes/dot_dumper/DumperPass.h"
#include "backends/acl_soft_backend/AclCppGenerator.h"
#include "passes/optimizations/CombineTransposes.h"
#include "passes/optimizations/ConstantFoldTranspose.h"
#include "passes/optimizations/DeadCodeElimination.h"
#include "passes/optimizations/FuseArithmeticOps.h"
#include "passes/optimizations/SinkRelu.h"
#include "passes/optimizations/SinkTranspose.h"
#include "support/CommandLine.h"
#include "Definitions.h"
#include "Options.h"
#include "Driver.h"
#ifdef NNC_FRONTEND_CAFFE2_ENABLED
#include <caffe2_importer.h>
#endif // NNC_FRONTEND_CAFFE2_ENABLED
#ifdef NNC_FRONTEND_CAFFE_ENABLED
#include <caffe_importer.h>
#endif // NNC_FRONTEND_CAFFE_ENABLED
#ifdef NNC_FRONTEND_TFLITE_ENABLED
#include <tflite_importer.h>
#endif // NNC_FRONTEND_TFLITE_ENABLED
#ifdef NNC_FRONTEND_ONNX_ENABLED
#include <ONNXImporterImpl.h>
#endif // NNC_FRONTEND_ONNX_ENABLED
#include <memory>
namespace nnc
{
static std::string getFrontendOptionsString()
{
std::string res;
if (!cli::caffeFrontend.isDisabled())
res += "'" + cli::caffeFrontend.getNames()[0] + "' ";
if (!cli::caffe2Frontend.isDisabled())
res += "'" + cli::caffe2Frontend.getNames()[0] + "' ";
if (!cli::onnxFrontend.isDisabled())
res += "'" + cli::onnxFrontend.getNames()[0] + "' ";
if (!cli::tflFrontend.isDisabled())
res += "'" + cli::tflFrontend.getNames()[0] + "'";
return res;
}
static std::unique_ptr<mir::Graph> importModel()
{
// For bool, the value false is converted to zero and the value true is converted to one
if (cli::caffeFrontend + cli::caffe2Frontend + cli::tflFrontend + cli::onnxFrontend != 1)
throw DriverException("One and only one of the following options are allowed and have to be set"
"in the same time: " +
getFrontendOptionsString());
if (cli::caffeFrontend)
{
#ifdef NNC_FRONTEND_CAFFE_ENABLED
return mir_caffe::loadModel(cli::inputFile.getRawValue());
#endif // NNC_FRONTEND_CAFFE_ENABLED
}
else if (cli::caffe2Frontend)
{
#ifdef NNC_FRONTEND_CAFFE2_ENABLED
// FIXME: caffe2 input shapes are not provided by model and must be set from cli
// current 'inputShapes' could provide only one shape, while model could has several inputs
return mir_caffe2::loadModel(cli::inputFile.getRawValue(), cli::initNet.getRawValue(),
{cli::inputShapes.getRawValue()});
#endif // NNC_FRONTEND_CAFFE2_ENABLED
}
else if (cli::onnxFrontend)
{
#ifdef NNC_FRONTEND_ONNX_ENABLED
return mir_onnx::loadModel(cli::inputFile.getRawValue());
#endif // NNC_FRONTEND_ONNX_ENABLED
}
else if (cli::tflFrontend)
{
#ifdef NNC_FRONTEND_TFLITE_ENABLED
return mir_tflite::loadModel(cli::inputFile.getRawValue());
#endif // NNC_FRONTEND_TFLITE_ENABLED
}
assert(false);
return nullptr;
}
static void backend(mir::Graph *graph)
{
if (cli::target == NNC_TARGET_ARM_CPP || cli::target == NNC_TARGET_X86_CPP)
{
CPPCodeGenerator(cli::artifactDir, cli::artifactName).run(graph);
}
else if (cli::target == NNC_TARGET_ARM_GPU_CPP)
{
AclCppCodeGenerator(cli::artifactDir, cli::artifactName).run(graph);
}
else if (cli::target == NNC_TARGET_INTERPRETER)
{
InterpreterBackend(cli::interInputDataDir, cli::artifactDir).run(graph);
}
else
{
assert(false && "invalid option value");
}
}
/**
* @brief run all registered passes
* @throw PassException, if errors occured
*/
void Driver::runPasses()
{
auto graph = importModel();
PassData pass_data(graph.get());
for (const auto &pass : _passManager.getPasses())
{
pass_data = pass->run(pass_data);
if (cli::dumpGraph && static_cast<mir::Graph *>(pass_data))
{
DumperPass d(pass->getName());
d.run(pass_data);
}
}
backend(pass_data);
// NOTE. Now we destroy data of all passes when PassManager is destroyed.
// In future to reduce memory consumption we can destory it when passes are being performed
} // runPasses
/**
* @brief Register backend specific passes
* @throw DriverException if errors occurred
*/
void Driver::registerBackendSpecificPasses()
{
std::unique_ptr<Pass> data_format_pass;
if (cli::target == NNC_TARGET_ARM_CPP || cli::target == NNC_TARGET_X86_CPP)
{
_passManager.registerPass(std::make_unique<LowerConv2D>());
_passManager.registerPass(std::make_unique<DataFormatSwitcher>(mir::DataFormat::NHWC));
}
else if (cli::target == NNC_TARGET_ARM_GPU_CPP)
{
_passManager.registerPass(std::make_unique<LowerConv2D>());
_passManager.registerPass(std::make_unique<ConstantFoldTranspose>());
// TODO Change to DataFormat::NCHW when fix it in ACL
_passManager.registerPass(std::make_unique<DataFormatSwitcher>(mir::DataFormat::NHWC));
}
else if (cli::target == NNC_TARGET_INTERPRETER)
{
_passManager.registerPass(std::make_unique<DataFormatSwitcher>(mir::DataFormat::NHWC));
}
else
{
assert(false && "invalid option value");
}
}
void Driver::registerOptimizationPass()
{
if (cli::doOptimizationPass)
{
// TODO: maybe we should start managing the optimizations more intelligently?
_passManager.registerPass(std::unique_ptr<Pass>(new CombineTransposes()));
_passManager.registerPass(std::unique_ptr<Pass>(new SinkTranspose()));
_passManager.registerPass(std::unique_ptr<Pass>(new SinkRelu()));
#if 0
// TODO Support broadcasting.
_passManager.registerPass(std::unique_ptr<Pass>(new FuseArithmeticOps()));
#endif
_passManager.registerPass(std::unique_ptr<Pass>(new DeadCodeElimination()));
}
} // registerOptimizationPass
void Driver::runDriver()
{
registerOptimizationPass();
registerBackendSpecificPasses();
runPasses();
}
} // namespace nnc
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