Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
Michalis Spyrou | 84f3ae8 | 2018-01-15 11:15:26 +0000 | [diff] [blame] | 2 | * Copyright (c) 2016-2018 ARM Limited. |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [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 | #include "arm_compute/runtime/CL/CLScheduler.h" |
| 25 | |
| 26 | #include "arm_compute/core/CL/ICLKernel.h" |
Gian Marco | de691f0 | 2017-09-08 16:13:11 +0100 | [diff] [blame] | 27 | #include "arm_compute/runtime/CL/CLTuner.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 28 | |
| 29 | using namespace arm_compute; |
| 30 | |
Georgios Pinitas | df473ea | 2018-05-31 18:53:52 +0100 | [diff] [blame^] | 31 | #if defined(ARM_COMPUTE_DEBUG_ENABLED) |
| 32 | namespace |
| 33 | { |
| 34 | void printf_callback(const char *buffer, unsigned int len, size_t complete, void *user_data) |
| 35 | { |
| 36 | printf("%.*s", len, buffer); |
| 37 | } |
| 38 | } // namespace |
| 39 | #endif /* defined(ARM_COMPUTE_DEBUG_ENABLED) */ |
| 40 | |
Ioan-Cristian Szabo | 77eb21f | 2017-12-22 17:32:17 +0000 | [diff] [blame] | 41 | std::once_flag CLScheduler::_initialize_symbols; |
| 42 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 43 | CLScheduler::CLScheduler() |
Anthony Barbier | 4dcb583 | 2018-05-08 11:29:05 +0100 | [diff] [blame] | 44 | : _queue(), _target(GPUTarget::MIDGARD), _is_initialised(false), _cl_tuner() |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 45 | { |
| 46 | } |
| 47 | |
| 48 | CLScheduler &CLScheduler::get() |
| 49 | { |
Ioan-Cristian Szabo | 77eb21f | 2017-12-22 17:32:17 +0000 | [diff] [blame] | 50 | std::call_once(_initialize_symbols, opencl_is_available); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 51 | static CLScheduler scheduler; |
| 52 | return scheduler; |
| 53 | } |
| 54 | |
Georgios Pinitas | df473ea | 2018-05-31 18:53:52 +0100 | [diff] [blame^] | 55 | void CLScheduler::default_init(ICLTuner *cl_tuner) |
| 56 | { |
| 57 | if(!_is_initialised) |
| 58 | { |
| 59 | cl::Context ctx = cl::Context::getDefault(); |
| 60 | auto queue_properties = cl::CommandQueue::getDefault().getInfo<CL_QUEUE_PROPERTIES>(nullptr); |
| 61 | #if defined(ARM_COMPUTE_DEBUG_ENABLED) |
| 62 | // Query devices in the context for cl_arm_printf support |
| 63 | std::vector<cl::Device> def_platform_devices; |
| 64 | cl::Platform::getDefault().getDevices(CL_DEVICE_TYPE_DEFAULT, &def_platform_devices); |
| 65 | |
| 66 | if(device_supports_extension(def_platform_devices[0], "cl_arm_printf")) |
| 67 | { |
| 68 | // Create a cl_context with a printf_callback and user specified buffer size. |
| 69 | cl_context_properties properties[] = |
| 70 | { |
| 71 | CL_CONTEXT_PLATFORM, reinterpret_cast<cl_context_properties>(cl::Platform::get()()), |
| 72 | // Enable a printf callback function for this context. |
| 73 | CL_PRINTF_CALLBACK_ARM, reinterpret_cast<cl_context_properties>(printf_callback), |
| 74 | // Request a minimum printf buffer size of 4MB for devices in the |
| 75 | // context that support this extension. |
| 76 | CL_PRINTF_BUFFERSIZE_ARM, 0x1000, |
| 77 | 0 |
| 78 | }; |
| 79 | ctx = cl::Context(CL_DEVICE_TYPE_DEFAULT, properties); |
| 80 | } |
| 81 | #endif // defined(ARM_COMPUTE_DEBUG_ENABLED) |
| 82 | |
| 83 | cl::CommandQueue queue = cl::CommandQueue(ctx, cl::Device::getDefault(), queue_properties); |
| 84 | CLKernelLibrary::get().init("./cl_kernels/", ctx, cl::Device::getDefault()); |
| 85 | init(ctx, queue, cl::Device::getDefault(), cl_tuner); |
| 86 | } |
| 87 | else |
| 88 | { |
| 89 | _cl_tuner = cl_tuner; |
| 90 | } |
| 91 | } |
| 92 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 93 | void CLScheduler::enqueue(ICLKernel &kernel, bool flush) |
| 94 | { |
steniu01 | 3470247 | 2017-07-11 09:22:58 +0100 | [diff] [blame] | 95 | ARM_COMPUTE_ERROR_ON_MSG(!_is_initialised, |
| 96 | "The CLScheduler is not initialised yet! Please call the CLScheduler::get().default_init(), \ |
| 97 | or CLScheduler::get()::init() and CLKernelLibrary::get()::init() function before running functions!"); |
| 98 | |
Gian Marco | de691f0 | 2017-09-08 16:13:11 +0100 | [diff] [blame] | 99 | // Tune the kernel if the CLTuner has been provided |
| 100 | if(_cl_tuner != nullptr) |
| 101 | { |
| 102 | // Tune the OpenCL kernel |
Georgios Pinitas | c0d1c86 | 2018-03-23 15:13:15 +0000 | [diff] [blame] | 103 | _cl_tuner->tune_kernel_dynamic(kernel); |
Gian Marco | de691f0 | 2017-09-08 16:13:11 +0100 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | // Run kernel |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 107 | kernel.run(kernel.window(), _queue); |
| 108 | |
| 109 | if(flush) |
| 110 | { |
| 111 | _queue.flush(); |
| 112 | } |
Ioan-Cristian Szabo | 77eb21f | 2017-12-22 17:32:17 +0000 | [diff] [blame] | 113 | } |