| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| /*! |
| * \file tvm/target/target_info.h |
| * \brief Various information about target. |
| */ |
| #ifndef TVM_TARGET_TARGET_INFO_H_ |
| #define TVM_TARGET_TARGET_INFO_H_ |
| |
| #include <tvm/ir/expr.h> |
| |
| #include <string> |
| |
| namespace tvm { |
| |
| /*! |
| * \brief Memory information of special memory region. |
| * Use MemoryInfo as its container type |
| */ |
| class MemoryInfoNode : public Object { |
| public: |
| /*! \brief The addressable unit */ |
| int64_t unit_bits; |
| /*! \brief Maximum number of bits supported in the memory */ |
| int64_t max_num_bits; |
| /*! \brief maximum number of bits to be used in simd op */ |
| int64_t max_simd_bits; |
| /*! |
| * \brief head address of the buffer, if visible to CPU |
| * This address can be None. |
| */ |
| PrimExpr head_address; |
| |
| void VisitAttrs(AttrVisitor* v) { |
| v->Visit("unit_bits", &unit_bits); |
| v->Visit("max_num_bits", &max_num_bits); |
| v->Visit("max_simd_bits", &max_simd_bits); |
| v->Visit("head_address", &head_address); |
| } |
| |
| static constexpr const char* _type_key = "MemoryInfo"; |
| TVM_DECLARE_FINAL_OBJECT_INFO(MemoryInfoNode, Object); |
| }; |
| |
| /*! \brief Defines memory info */ |
| class MemoryInfo : public ObjectRef { |
| public: |
| TVM_DEFINE_OBJECT_REF_METHODS(MemoryInfo, ObjectRef, MemoryInfoNode); |
| }; |
| |
| /*! |
| * \brief get memory info given scope |
| * \param scope The scope name. |
| * \return info The memory info. |
| */ |
| TVM_DLL MemoryInfo GetMemoryInfo(const std::string& scope); |
| |
| } // namespace tvm |
| #endif // TVM_TARGET_TARGET_INFO_H_ |