wehub-resource-sync
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
// Copyright (c) 2021 CINN 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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#include <functional>
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#include <ostream>
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#include <string>
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#include <variant>
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#include "paddle/common/overloaded.h"
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namespace cinn {
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namespace common {
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struct UnknownArch {};
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#define CINN_ARCH_CLASS_NAMES(_macro) \
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_macro(X86Arch) _macro(ARMArch) _macro(NVGPUArch) _macro(HygonDCUArchHIP) \
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_macro(HygonDCUArchSYCL)
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#define DEFINE_CINN_ARCH(class_name) \
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struct class_name {};
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CINN_ARCH_CLASS_NAMES(DEFINE_CINN_ARCH);
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#undef DEFINE_CINN_ARCH
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struct CustomDeviceArch {
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std::string device_type{"unknown_custom_device"};
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int device_id{0};
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};
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/**
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* The architecture used by the target. Determines the instruction set to use.
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*/
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using ArchBase = std::variant<
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#define LIST_CINN_ARCH_ALTERNATIVE(class_name) class_name,
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CINN_ARCH_CLASS_NAMES(LIST_CINN_ARCH_ALTERNATIVE)
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#undef LIST_CINN_ARCH_ALTERNATIVE
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CustomDeviceArch,
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UnknownArch>;
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struct Arch final : public ArchBase {
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using ArchBase::ArchBase;
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template <typename VisitorT>
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decltype(auto) Visit(VisitorT&& visitor) const {
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return std::visit(visitor, variant());
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}
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const ArchBase& variant() const {
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return static_cast<const ArchBase&>(*this);
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}
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DEFINE_MATCH_METHOD();
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bool operator==(const auto& other) const {
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return this->index() == other.index();
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}
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bool operator!=(const auto& other) const { return !(*this == other); }
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};
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inline bool IsDefined(Arch arch) {
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return !std::holds_alternative<UnknownArch>(arch);
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}
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} // namespace common
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} // namespace cinn
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namespace std {
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template <>
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struct hash<::cinn::common::Arch> {
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std::size_t operator()(const ::cinn::common::Arch& arch) const {
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return arch.index();
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}
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};
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} // namespace std
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