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/*******************************************************************************
* Copyright 2021 Intel Corporation
*
* 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 "oneapi/dnnl/dnnl_graph.h"
#include "graph/interface/backend.hpp"
#include "graph/utils/utils.hpp"
namespace dnnl {
namespace impl {
namespace graph {
std::pair<size_t, size_t> backend_registry_t::decode_layout_id(
size_t layout_id) {
size_t backend_id = layout_id & (size_t)((1 << BACKEND_ID_LENGTH) - 1);
size_t layout_idx = layout_id >> BACKEND_ID_LENGTH;
return {layout_idx, backend_id};
}
size_t backend_registry_t::encode_layout_id(
size_t layout_idx, size_t backend_id) {
size_t layout_id = (layout_idx << BACKEND_ID_LENGTH)
| (backend_id & (size_t)((1 << BACKEND_ID_LENGTH) - 1));
return layout_id;
}
size_t backend_registry_t::extract_layout_id(size_t layout_id) {
return layout_id >> BACKEND_ID_LENGTH;
}
size_t backend_registry_t::extract_backend_id(size_t layout_id) {
return layout_id & (size_t)((1 << BACKEND_ID_LENGTH) - 1);
}
void backend_registry_t::invoke_backend_registration() {
// Note: `std::call_once` should be kept in a single translation unit since
// GCC 11.
std::call_once(register_flag_, []() {
register_dnnl_backend();
register_fake_backend();
#ifdef DNNL_ENABLE_COMPILER_BACKEND
register_compiler_backend();
#endif
});
}
} // namespace graph
} // namespace impl
} // namespace dnnl