Files
paddlepaddle--paddle/paddle/phi/kernels/funcs/jit/kernel_key.h
T
2026-07-13 12:40:42 +08:00

50 lines
1.6 KiB
C++

/* Copyright (c) 2023 PaddlePaddle 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. */
#pragma once
#include "paddle/phi/common/place.h"
#include "paddle/phi/kernels/funcs/jit/kernel_base.h"
namespace phi {
namespace jit {
struct KernelKey {
struct Hash {
size_t operator()(const KernelKey& key) const {
int place = static_cast<int>(key.place_.GetType()); // less than 2^8
int type = static_cast<int>(key.type_) << 8; // less than 2^(32-8)
std::hash<int> hasher;
return hasher(place + type);
}
};
KernelType type_;
phi::Place place_;
KernelKey(KernelType type, phi::Place place) : type_(type), place_(place) {}
size_t hash_key() const { return Hash()(*this); }
bool operator==(const KernelKey& o) const {
return place_ == o.place_ && type_ == o.type_;
}
bool operator!=(const KernelKey& o) const { return !(*this == o); }
};
// Every JitCode should have a method to get the key from attribution
template <typename Attr>
int64_t JitCodeKey(const Attr& attr);
} // namespace jit
} // namespace phi