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/*
* Copyright (c) 2019 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 "ManualScheduler.h"
#include "ir/OpCode.h"
#include "ir/Operations.Include.h"
#include "backend/Backend.h"
#include "backend/IConfig.h"
#include "compiler/BackendManager.h"
#include "util/ConfigSource.h"
#include "util/logging.h"
#include "misc/string_helpers.h"
namespace onert
{
namespace compiler
{
ManualScheduler::ManualScheduler(const compiler::ManualSchedulerOptions &options)
: _options{options}
{
}
std::unique_ptr<BackendResolver> ManualScheduler::schedule(const ir::Graph &graph)
{
auto backend_resolver = std::make_unique<compiler::BackendResolver>();
// 1. Backend for All operations
const backend::Backend *backend_all = BackendManager::get().get(_options.backend_for_all);
if (!backend_all)
{
backend_all = BackendManager::get().getAll().at(0);
}
VERBOSE(ManualScheduler) << "Default backend for all ops: " << _options.backend_for_all
<< std::endl;
graph.operations().iterate([&](const ir::OperationIndex &index, const ir::Operation &) {
backend_resolver->setBackend(index, backend_all);
});
// 2. Backend per operation type
std::unordered_map<ir::OpCode, backend::Backend *> op_type_map;
for (auto &pair : _options.opcode_to_backend)
{
op_type_map.emplace(pair.first, BackendManager::get().get(pair.second));
}
// By default, Custom uses cpu backend
op_type_map[ir::OpCode::Custom] = BackendManager::get().get("cpu");
graph.operations().iterate([&](const ir::OperationIndex &index, const ir::Operation &operation) {
auto itr = op_type_map.find(operation.opcode());
if (itr != op_type_map.end())
{
backend_resolver->setBackend(index, itr->second);
}
});
// 3. Backend per operation
for (auto &pair : _options.index_to_backend)
{
const auto &key = pair.first;
const auto &val = pair.second;
try
{
graph.operations().at(key); // Check if exist, or this will throw
backend_resolver->setBackend(key, BackendManager::get().get(val));
}
catch (...)
{
VERBOSE(ManualScheduler) << "Invalid value while OperationIndex to Backend mapping : @"
<< key.value() << " -> \"" << val << "\"" << std::endl;
}
}
// 4. Operations that are specially handled
// All configuration above will be ignored(overwritten)
op_type_map[ir::OpCode::Permute] = BackendManager::get().get("cpu");
// Dump final assignment
backend_resolver->iterate([&](const ir::OperationIndex &index, const backend::Backend &backend) {
VERBOSE(ManualScheduler) << "backend for operation #" << index.value() << ": "
<< backend.config()->id() << std::endl;
});
return backend_resolver;
}
} // namespace compiler
} // namespace onert
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