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50 lines
1.5 KiB
50 lines
1.5 KiB
6 years ago
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/* Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License. */
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#pragma once
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6 years ago
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#include "paddle/fluid/operators/jit/kernel_base.h"
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6 years ago
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#include "paddle/fluid/platform/place.h"
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namespace paddle {
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namespace operators {
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6 years ago
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namespace jit {
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6 years ago
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struct KernelKey {
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struct Hash {
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size_t operator()(const KernelKey& key) const {
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int place = key.place_.which(); // less than 2^8
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int type = static_cast<int>(key.type_) << 8; // less than 2^(32-8)
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std::hash<int> hasher;
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return hasher(place + type);
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}
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};
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KernelType type_;
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platform::Place place_;
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KernelKey(KernelType type, platform::Place place)
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: type_(type), place_(place) {}
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size_t hash_key() const { return Hash()(*this); }
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bool operator==(const KernelKey& o) const {
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return platform::places_are_same_class(place_, o.place_) &&
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type_ == o.type_;
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}
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bool operator!=(const KernelKey& o) const { return !(*this == o); }
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};
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6 years ago
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} // namespace jit
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6 years ago
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} // namespace operators
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} // namespace paddle
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