1 /* 2 * Copyright (c) 2021 Arm Limited. 3 * 4 * SPDX-License-Identifier: MIT 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to 8 * deal in the Software without restriction, including without limitation the 9 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10 * sell copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in all 14 * copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 */ 24 #ifndef SRC_CPU_CPUCONTEXT_H 25 #define SRC_CPU_CPUCONTEXT_H 26 27 #include "src/common/AllocatorWrapper.h" 28 #include "src/common/IContext.h" 29 #include "src/common/cpuinfo/CpuInfo.h" 30 31 namespace arm_compute 32 { 33 namespace cpu 34 { 35 /** Structure that encodes the CPU capabilities to be used */ 36 struct CpuCapabilities 37 { 38 cpuinfo::CpuInfo cpu_info{}; 39 int32_t max_threads{ -1 }; 40 }; 41 42 /** CPU context implementation class */ 43 class CpuContext final : public IContext 44 { 45 public: 46 /** Default Constructor 47 * 48 * @param[in] options Creational options 49 */ 50 explicit CpuContext(const AclContextOptions *options); 51 /** Cpu Capabilities accessor 52 * 53 * @return The ISA capabilities to be used by the CPU 54 */ 55 const CpuCapabilities &capabilities() const; 56 /** Backing memory allocator accessor 57 * 58 * @return Allocator that allocates CPU memory 59 */ 60 AllocatorWrapper &allocator(); 61 62 // Inherrited methods overridden 63 ITensorV2 *create_tensor(const AclTensorDescriptor &desc, bool allocate) override; 64 IQueue *create_queue(const AclQueueOptions *options) override; 65 std::tuple<IOperator *, StatusCode> create_activation(const AclTensorDescriptor &src, 66 const AclTensorDescriptor &dst, 67 const AclActivationDescriptor &act, 68 bool is_validate) override; 69 70 private: 71 AllocatorWrapper _allocator; 72 CpuCapabilities _caps; 73 }; 74 } // namespace cpu 75 } // namespace arm_compute 76 77 #endif /* SRC_CPU_CPUCONTEXT_H */