| /* |
| * Copyright (c) 2016-2018 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. |
| */ |
| #ifndef __ARM_COMPUTE_ICLKERNEL_H__ |
| #define __ARM_COMPUTE_ICLKERNEL_H__ |
| |
| #include "arm_compute/core/CL/CLKernelLibrary.h" |
| #include "arm_compute/core/CL/CLTypes.h" |
| #include "arm_compute/core/CL/OpenCL.h" |
| #include "arm_compute/core/IKernel.h" |
| |
| #include <string> |
| |
| namespace arm_compute |
| { |
| template <typename T> |
| class ICLArray; |
| class ICLTensor; |
| class Window; |
| |
| /** Common interface for all the OpenCL kernels */ |
| class ICLKernel : public IKernel |
| { |
| private: |
| /** Returns the number of arguments enqueued per array object. |
| * |
| * @return The number of arguments enqueued per array object. |
| */ |
| template <unsigned int dimension_size> |
| constexpr static unsigned int num_arguments_per_array() |
| { |
| return num_arguments_per_tensor<dimension_size>(); |
| } |
| /** Returns the number of arguments enqueued per tensor object. |
| * |
| * @return The number of arguments enqueued per tensor object. |
| */ |
| template <unsigned int dimension_size> |
| constexpr static unsigned int num_arguments_per_tensor() |
| { |
| return 2 + 2 * dimension_size; |
| } |
| |
| public: |
| /** Constructor */ |
| ICLKernel() |
| : _kernel(nullptr), _lws_hint(CLKernelLibrary::get().default_ndrange()), _target(GPUTarget::MIDGARD), _config_id(arm_compute::default_config_id), _max_workgroup_size(0) |
| { |
| } |
| /** Returns a reference to the OpenCL kernel of this object. |
| * |
| * @return A reference to the OpenCL kernel of this object. |
| */ |
| cl::Kernel &kernel() |
| { |
| return _kernel; |
| } |
| /** Add the passed 1D array's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the array's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] array Array to set as an argument of the object's kernel. |
| * @param[in] strides @ref Strides object containing stride of each dimension in bytes. |
| * @param[in] num_dimensions Number of dimensions of the @p array. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| template <typename T> |
| void add_1D_array_argument(unsigned int &idx, const ICLArray<T> *array, const Strides &strides, unsigned int num_dimensions, const Window &window) |
| { |
| add_array_argument<T, 1>(idx, array, strides, num_dimensions, window); |
| } |
| /** Add the passed 1D tensor's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] tensor Tensor to set as an argument of the object's kernel. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| void add_1D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window) |
| { |
| add_tensor_argument<1>(idx, tensor, window); |
| } |
| /** Add the passed 2D tensor's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] tensor Tensor to set as an argument of the object's kernel. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| void add_2D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window) |
| { |
| add_tensor_argument<2>(idx, tensor, window); |
| } |
| /** Add the passed 3D tensor's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] tensor Tensor to set as an argument of the object's kernel. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| void add_3D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window) |
| { |
| add_tensor_argument<3>(idx, tensor, window); |
| } |
| /** Add the passed 4D tensor's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] tensor Tensor to set as an argument of the object's kernel. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| void add_4D_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window) |
| { |
| add_tensor_argument<4>(idx, tensor, window); |
| } |
| /** Returns the number of arguments enqueued per 1D array object. |
| * |
| * @return The number of arguments enqueues per 1D array object. |
| */ |
| constexpr static unsigned int num_arguments_per_1D_array() |
| { |
| return num_arguments_per_array<1>(); |
| } |
| /** Returns the number of arguments enqueued per 1D tensor object. |
| * |
| * @return The number of arguments enqueues per 1D tensor object. |
| */ |
| constexpr static unsigned int num_arguments_per_1D_tensor() |
| { |
| return num_arguments_per_tensor<1>(); |
| } |
| /** Returns the number of arguments enqueued per 2D tensor object. |
| * |
| * @return The number of arguments enqueues per 2D tensor object. |
| */ |
| constexpr static unsigned int num_arguments_per_2D_tensor() |
| { |
| return num_arguments_per_tensor<2>(); |
| } |
| /** Returns the number of arguments enqueued per 3D tensor object. |
| * |
| * @return The number of arguments enqueues per 3D tensor object. |
| */ |
| constexpr static unsigned int num_arguments_per_3D_tensor() |
| { |
| return num_arguments_per_tensor<3>(); |
| } |
| /** Returns the number of arguments enqueued per 4D tensor object. |
| * |
| * @return The number of arguments enqueues per 4D tensor object. |
| */ |
| constexpr static unsigned int num_arguments_per_4D_tensor() |
| { |
| return num_arguments_per_tensor<4>(); |
| } |
| /** Enqueue the OpenCL kernel to process the given window on the passed OpenCL command queue. |
| * |
| * @note The queue is *not* flushed by this method, and therefore the kernel will not have been executed by the time this method returns. |
| * |
| * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()). |
| * @param[in,out] queue Command queue on which to enqueue the kernel. |
| */ |
| virtual void run(const Window &window, cl::CommandQueue &queue) = 0; |
| /** Add the passed parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] value Value to set as an argument of the object's kernel. |
| */ |
| template <typename T> |
| void add_argument(unsigned int &idx, T value) |
| { |
| _kernel.setArg(idx++, value); |
| } |
| |
| /** Set the Local-Workgroup-Size hint |
| * |
| * @note This method should be called after the configuration of the kernel |
| * |
| * @param[in] lws_hint Local-Workgroup-Size to use |
| */ |
| void set_lws_hint(cl::NDRange &lws_hint) |
| { |
| _lws_hint = lws_hint; |
| } |
| |
| /** Get the configuration ID |
| * |
| * @note The configuration ID can be used by the caller to distinguish different calls of the same OpenCL kernel |
| * In particular, this method can be used by CLScheduler to keep track of the best LWS for each configuration of the same kernel. |
| * The configuration ID should be provided only for the kernels potentially affected by the LWS geometry |
| * |
| * @note This method should be called after the configuration of the kernel |
| * |
| * @return configuration id string |
| */ |
| const std::string &config_id() const |
| { |
| return _config_id; |
| } |
| |
| /** Set the targeted GPU architecture |
| * |
| * @param[in] target The targeted GPU architecture |
| */ |
| void set_target(GPUTarget target) |
| { |
| _target = target; |
| } |
| |
| /** Set the targeted GPU architecture according to the CL device |
| * |
| * @param[in] device A CL device |
| */ |
| void set_target(cl::Device &device); |
| |
| /** Get the targeted GPU architecture |
| * |
| * @return The targeted GPU architecture. |
| */ |
| GPUTarget get_target() const |
| { |
| return _target; |
| } |
| |
| /** Get the maximum workgroup size for the device the CLKernelLibrary uses. |
| * |
| * @return The maximum workgroup size value. |
| */ |
| size_t get_max_workgroup_size(); |
| /** Get the global work size given an execution window |
| * |
| * @param[in] window Execution window |
| * |
| * @return Global work size of the given execution window |
| */ |
| static cl::NDRange gws_from_window(const Window &window); |
| |
| private: |
| /** Add the passed array's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the array's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] array Array to set as an argument of the object's kernel. |
| * @param[in] strides @ref Strides object containing stride of each dimension in bytes. |
| * @param[in] num_dimensions Number of dimensions of the @p array. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| template <typename T, unsigned int dimension_size> |
| void add_array_argument(unsigned int &idx, const ICLArray<T> *array, const Strides &strides, unsigned int num_dimensions, const Window &window); |
| /** Add the passed tensor's parameters to the object's kernel's arguments starting from the index idx. |
| * |
| * @param[in,out] idx Index at which to start adding the tensor's arguments. Will be incremented by the number of kernel arguments set. |
| * @param[in] tensor Tensor to set as an argument of the object's kernel. |
| * @param[in] window Window the kernel will be executed on. |
| */ |
| template <unsigned int dimension_size> |
| void add_tensor_argument(unsigned int &idx, const ICLTensor *tensor, const Window &window); |
| |
| protected: |
| cl::Kernel _kernel; /**< OpenCL kernel to run */ |
| cl::NDRange _lws_hint; /**< Local workgroup size hint for the OpenCL kernel */ |
| GPUTarget _target; /**< The targeted GPU */ |
| std::string _config_id; /**< Configuration ID */ |
| size_t _max_workgroup_size; /**< The maximum workgroup size for this kernel */ |
| }; |
| |
| /** Add the kernel to the command queue with the given window. |
| * |
| * @note Depending on the size of the window, this might translate into several jobs being enqueued. |
| * |
| * @note If kernel->kernel() is empty then the function will return without adding anything to the queue. |
| * |
| * @param[in,out] queue OpenCL command queue. |
| * @param[in] kernel Kernel to enqueue |
| * @param[in] window Window the kernel has to process. |
| * @param[in] lws_hint Local workgroup size requested, by default (128,1). |
| * |
| * @note If any dimension of the lws is greater than the global workgroup size then no lws will be passed. |
| */ |
| void enqueue(cl::CommandQueue &queue, ICLKernel &kernel, const Window &window, const cl::NDRange &lws_hint = CLKernelLibrary::get().default_ndrange()); |
| |
| template <typename T, unsigned int dimension_size> |
| void ICLKernel::add_array_argument(unsigned &idx, const ICLArray<T> *array, const Strides &strides, unsigned int num_dimensions, const Window &window) |
| { |
| ARM_COMPUTE_ERROR_ON(array == nullptr); |
| |
| // Calculate offset to the start of the window |
| unsigned int offset_first_element = 0; |
| |
| for(unsigned int n = 0; n < num_dimensions; ++n) |
| { |
| offset_first_element += window[n].start() * strides[n]; |
| } |
| |
| unsigned int idx_start = idx; |
| _kernel.setArg(idx++, array->cl_buffer()); |
| |
| for(unsigned int dimension = 0; dimension < dimension_size; dimension++) |
| { |
| _kernel.setArg<cl_uint>(idx++, strides[dimension]); |
| _kernel.setArg<cl_uint>(idx++, strides[dimension] * window[dimension].step()); |
| } |
| |
| _kernel.setArg<cl_uint>(idx++, offset_first_element); |
| |
| ARM_COMPUTE_ERROR_ON_MSG(idx_start + num_arguments_per_array<dimension_size>() != idx, |
| "add_%dD_array_argument() is supposed to add exactly %d arguments to the kernel", dimension_size, num_arguments_per_array<dimension_size>()); |
| ARM_COMPUTE_UNUSED(idx_start); |
| } |
| } |
| #endif /*__ARM_COMPUTE_ICLKERNEL_H__ */ |