| /* |
| * Copyright (c) 2016-2021 Arm Limited. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to |
| * deal in the Software without restriction, including without limitation the |
| * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| #include "arm_compute/runtime/CL/CLScheduler.h" |
| |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/runtime/CL/CLHelpers.h" |
| #include "arm_compute/runtime/CL/CLTuner.h" |
| #include "arm_compute/runtime/CL/tuners/Tuners.h" |
| #include "src/core/CL/ICLKernel.h" |
| |
| namespace arm_compute |
| { |
| cl::Context &CLScheduler::context() |
| { |
| ARM_COMPUTE_ERROR_ON(!_is_initialised); |
| _context = CLKernelLibrary::get().context(); |
| return _context; |
| } |
| |
| cl::CommandQueue &CLScheduler::queue() |
| { |
| ARM_COMPUTE_ERROR_ON(!_is_initialised); |
| return _queue; |
| } |
| |
| GPUTarget CLScheduler::target() const |
| { |
| return _target; |
| } |
| |
| CLGEMMHeuristicsHandle *CLScheduler::gemm_heuristics() const |
| { |
| return _gemm_heuristics; |
| } |
| |
| void CLScheduler::set_queue(cl::CommandQueue queue) |
| { |
| _queue = std::move(queue); |
| } |
| |
| void CLScheduler::set_target(GPUTarget target) |
| { |
| _target = target; |
| } |
| |
| void CLScheduler::set_tuner(ICLTuner *tuner) |
| { |
| _cl_tuner = tuner; |
| } |
| |
| void CLScheduler::sync() |
| { |
| _queue.finish(); |
| } |
| |
| cl::Event CLScheduler::enqueue_sync_event() |
| { |
| cl::Event event; |
| _queue.enqueueMarker(&event); |
| return event; |
| } |
| |
| void CLScheduler::tune_kernel_static(ICLKernel &kernel) |
| { |
| if(_cl_tuner != nullptr) |
| { |
| _cl_tuner->tune_kernel_static(kernel); |
| } |
| } |
| |
| bool CLScheduler::is_initialised() const |
| { |
| return _is_initialised; |
| } |
| |
| std::once_flag CLScheduler::_initialize_symbols; |
| |
| CLScheduler::CLScheduler() |
| : _context(), _queue(), _target(GPUTarget::MIDGARD), _is_initialised(false), _cl_tuner(nullptr), _cl_default_static_tuner(nullptr), _gemm_heuristics(nullptr) |
| { |
| } |
| |
| CLScheduler &CLScheduler::get() |
| { |
| std::call_once(_initialize_symbols, opencl_is_available); |
| static CLScheduler scheduler; |
| return scheduler; |
| } |
| |
| void CLScheduler::default_init_with_context(cl::Device &device, cl::Context &ctx, ICLTuner *cl_tuner, CLGEMMHeuristicsHandle *gemm_h) |
| { |
| if(!_is_initialised) |
| { |
| const std::string cl_kernels_folder("./cl_kernels/"); |
| cl::CommandQueue queue = cl::CommandQueue(ctx, device); |
| CLKernelLibrary::get().init(cl_kernels_folder, ctx, device); |
| init(ctx, queue, device, cl_tuner, gemm_h); |
| _cl_default_static_tuner = tuners::TunerFactory::create_tuner(_target); |
| _cl_tuner = (cl_tuner == nullptr) ? _cl_default_static_tuner.get() : cl_tuner; |
| } |
| } |
| |
| void CLScheduler::default_init(ICLTuner *cl_tuner, CLGEMMHeuristicsHandle *gemm_h) |
| { |
| if(!_is_initialised) |
| { |
| cl::Context ctx; |
| cl::Device dev; |
| cl_int err; |
| std::tie(ctx, dev, err) = create_opencl_context_and_device(); |
| ARM_COMPUTE_ERROR_ON_MSG(err != CL_SUCCESS, "Failed to create OpenCL context"); |
| cl::CommandQueue queue = cl::CommandQueue(ctx, dev); |
| CLKernelLibrary::get().init("./cl_kernels/", ctx, dev); |
| init(ctx, queue, dev, cl_tuner, gemm_h); |
| // Create a default static tuner and set if none was provided |
| _cl_default_static_tuner = tuners::TunerFactory::create_tuner(_target); |
| } |
| |
| // Set CL tuner |
| _cl_tuner = (cl_tuner == nullptr) ? _cl_default_static_tuner.get() : cl_tuner; |
| } |
| |
| void CLScheduler::set_context(cl::Context context) |
| { |
| _context = std::move(context); |
| CLKernelLibrary::get().set_context(_context); |
| } |
| |
| void CLScheduler::init(cl::Context context, cl::CommandQueue queue, const cl::Device &device, ICLTuner *cl_tuner, CLGEMMHeuristicsHandle *gemm_h) |
| { |
| set_context(std::move(context)); |
| _queue = std::move(queue); |
| _target = get_target_from_device(device); |
| _is_initialised = true; |
| _cl_tuner = cl_tuner; |
| _gemm_heuristics = gemm_h; |
| } |
| |
| void CLScheduler::enqueue_common(ICLKernel &kernel, ITensorPack &tensors, bool flush) |
| { |
| ARM_COMPUTE_ERROR_ON_MSG(!_is_initialised, |
| "The CLScheduler is not initialised yet! Please call the CLScheduler::get().default_init(), \ |
| or CLScheduler::get()::init() and CLKernelLibrary::get()::init() function before running functions!"); |
| |
| const bool inject_memory = !tensors.empty(); |
| |
| // Tune the kernel if the CLTuner has been provided |
| if(_cl_tuner != nullptr) |
| { |
| inject_memory ? _cl_tuner->tune_kernel_dynamic(kernel, tensors) : _cl_tuner->tune_kernel_dynamic(kernel); |
| } |
| |
| // Run kernel |
| inject_memory ? kernel.run_op(tensors, kernel.window(), _queue) : kernel.run(kernel.window(), _queue); |
| |
| if(flush) |
| { |
| _queue.flush(); |
| } |
| } |
| |
| void CLScheduler::enqueue(ICLKernel &kernel, bool flush) |
| { |
| ITensorPack pack; |
| enqueue_common(kernel, pack, flush); |
| } |
| |
| void CLScheduler::enqueue_op(ICLKernel &kernel, ITensorPack &tensors, bool flush) |
| { |
| enqueue_common(kernel, tensors, flush); |
| } |
| } // namespace arm_compute |