Michalis Spyrou | 11d4918 | 2020-03-26 10:31:32 +0000 | [diff] [blame] | 1 | /* |
Georgios Pinitas | c6f9510 | 2021-03-30 10:03:01 +0100 | [diff] [blame] | 2 | * Copyright (c) 2020-2021 Arm Limited. |
Michalis Spyrou | 11d4918 | 2020-03-26 10:31:32 +0000 | [diff] [blame] | 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 ARM_COMPUTE_CLDEVICE_H |
| 25 | #define ARM_COMPUTE_CLDEVICE_H |
| 26 | |
| 27 | #include "arm_compute/core/CL/CLHelpers.h" |
| 28 | #include "arm_compute/core/CL/CLTypes.h" |
| 29 | #include "arm_compute/core/GPUTarget.h" |
| 30 | #include "arm_compute/core/IDevice.h" |
| 31 | |
| 32 | #include <set> |
Georgios Pinitas | c6f9510 | 2021-03-30 10:03:01 +0100 | [diff] [blame] | 33 | #include <sstream> |
Michalis Spyrou | 11d4918 | 2020-03-26 10:31:32 +0000 | [diff] [blame] | 34 | #include <string> |
| 35 | |
| 36 | namespace arm_compute |
| 37 | { |
| 38 | /** OpenCL device type class |
| 39 | * |
| 40 | * Initializes and stores all the information about a cl device, |
| 41 | * working mainly as a cache mechanism. |
| 42 | * */ |
| 43 | class CLDevice : public IDevice |
| 44 | { |
| 45 | public: |
| 46 | /** Default Constructor */ |
| 47 | CLDevice() |
| 48 | : _device(cl::Device()), _options() |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | /** Constructor |
| 53 | * |
| 54 | * @param[in] cl_device OpenCL device |
| 55 | */ |
| 56 | CLDevice(const cl::Device &cl_device) |
| 57 | : _device(), _options() |
| 58 | { |
| 59 | _device = cl_device; |
| 60 | |
| 61 | // Get device target |
| 62 | std::string device_name = _device.getInfo<CL_DEVICE_NAME>(); |
| 63 | _options.gpu_target = get_target_from_name(device_name); |
| 64 | |
| 65 | // Fill extensions |
| 66 | std::string extensions = _device.getInfo<CL_DEVICE_EXTENSIONS>(); |
| 67 | |
| 68 | std::istringstream iss(extensions); |
| 69 | for(std::string s; iss >> s;) |
| 70 | { |
| 71 | _options.extensions.insert(s); |
| 72 | } |
| 73 | |
| 74 | // SW workaround for G76 |
| 75 | if(_options.gpu_target == GPUTarget::G76) |
| 76 | { |
| 77 | _options.extensions.insert("cl_arm_integer_dot_product_int8"); |
| 78 | } |
| 79 | |
| 80 | // Get device version |
| 81 | _options.version = get_cl_version(_device); |
| 82 | |
| 83 | // Get compute units |
| 84 | _options.compute_units = _device.getInfo<CL_DEVICE_MAX_COMPUTE_UNITS>(); |
| 85 | |
| 86 | // Get device version |
| 87 | _options.device_version = _device.getInfo<CL_DEVICE_VERSION>(); |
| 88 | } |
| 89 | |
| 90 | /** Returns the GPU target of the cl device |
| 91 | * |
| 92 | * @return The GPU target |
| 93 | */ |
| 94 | const GPUTarget &target() const |
| 95 | { |
| 96 | return _options.gpu_target; |
| 97 | } |
| 98 | |
| 99 | /** Returns the number of compute units available |
| 100 | * |
| 101 | * @return Number of compute units |
| 102 | */ |
| 103 | size_t compute_units() const |
| 104 | { |
| 105 | return _options.compute_units; |
| 106 | } |
| 107 | |
| 108 | /** Returns the underlying cl device object |
| 109 | * |
| 110 | * @return A cl device |
| 111 | */ |
| 112 | const cl::Device &cl_device() const |
| 113 | { |
| 114 | return _device; |
| 115 | } |
| 116 | |
| 117 | /** Returns the device's CL version |
| 118 | * |
| 119 | * @return CLVersion of the device |
| 120 | */ |
| 121 | CLVersion version() const |
| 122 | { |
| 123 | return _options.version; |
| 124 | } |
| 125 | |
| 126 | /** Returns the device version as a string |
| 127 | * |
| 128 | * @return CLVersion of the device |
| 129 | */ |
| 130 | std::string device_version() const |
| 131 | { |
| 132 | return _options.device_version; |
| 133 | } |
| 134 | |
| 135 | // Inherrited methods |
| 136 | DeviceType type() const override |
| 137 | { |
| 138 | return DeviceType::CL; |
| 139 | } |
| 140 | |
| 141 | bool supported(const std::string &extension) const override |
| 142 | { |
| 143 | return _options.extensions.count(extension) != 0; |
| 144 | } |
| 145 | |
| 146 | private: |
| 147 | cl::Device _device; /**< OpenCL device. */ |
| 148 | struct CLDeviceOptions _options; /**< OpenCL device options */ |
| 149 | }; |
| 150 | |
| 151 | } // namespace arm_compute |
| 152 | |
| 153 | #endif /* ARM_COMPUTE_CLDEVICE_H */ |