diff options
Diffstat (limited to 'src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp')
-rw-r--r-- | src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp b/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp new file mode 100644 index 0000000000..42433cf076 --- /dev/null +++ b/src/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.cpp @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2017 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/core/GLES_COMPUTE/kernels/GCActivationLayerKernel.h" + +#include "arm_compute/core/GLES_COMPUTE/GCHelpers.h" +#include "arm_compute/core/GLES_COMPUTE/GCKernelLibrary.h" +#include "arm_compute/core/GLES_COMPUTE/IGCTensor.h" +#include "arm_compute/core/Helpers.h" +#include "arm_compute/core/IAccessWindow.h" +#include "arm_compute/core/TensorInfo.h" +#include "arm_compute/core/Utils.h" +#include "arm_compute/core/Validate.h" +#include "arm_compute/core/Window.h" +#include "support/ToolchainSupport.h" + +#include <set> +#include <string> + +using namespace arm_compute; + +GCActivationLayerKernel::GCActivationLayerKernel() + : _input(nullptr), _output(nullptr) +{ +} + +void GCActivationLayerKernel::configure(IGCTensor *input, IGCTensor *output, ActivationLayerInfo act_info) +{ + ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::F16, DataType::F32); + + // Make sure _kernel is initialized before calling the parent's configure + _input = input; + _output = input; + + if(output != nullptr) + { + // Output auto inizialitation if not yet initialized + auto_init_if_empty(*output->info(), input->info()->tensor_shape(), 1, input->info()->data_type(), input->info()->fixed_point_position()); + + ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); + ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); + ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, output); + + _output = output; + } + + unsigned int num_elems_processed_per_iteration = 4 / input->info()->element_size(); + + // Set build options + std::set<std::string> build_opts; + std::string dt_name = (input->info()->data_type() == DataType::F32) ? "DATA_TYPE_FP32" : "DATA_TYPE_FP16"; + build_opts.emplace(("#define " + string_from_activation_func(act_info.activation()))); + build_opts.emplace(("#define " + dt_name)); + build_opts.emplace(("#define A_VAL " + float_to_string_with_full_precision(act_info.a()))); + build_opts.emplace(("#define B_VAL " + float_to_string_with_full_precision(act_info.b()))); + build_opts.emplace(("#define LOCAL_SIZE_X " + support::cpp11::to_string(1))); + build_opts.emplace(("#define LOCAL_SIZE_Y " + support::cpp11::to_string(1))); + build_opts.emplace(("#define LOCAL_SIZE_Z " + support::cpp11::to_string(1))); + + // Create kernel + _kernel = static_cast<GCKernel>(GCKernelLibrary::get().create_kernel("activation_layer", build_opts)); + + // Configure kernel window + Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); + + if(output != nullptr) + { + AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); + + update_window_and_padding(win, + AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration), + output_access); + + output_access.set_valid_region(win, input->info()->valid_region()); + } + else + { + update_window_and_padding(win, + AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration)); + } + + _kernel.clear_params(); + + _kernel.set_shader_params_binding_point(0); + + IGCKernel::configure(win); +} + +void GCActivationLayerKernel::run(const Window &window) +{ + ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); + ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IGCKernel::window(), window); + + _kernel.use(); + + Window slice = window.first_slice_window_3D(); + + do + { + unsigned int idx = 0; + unsigned int binding = 1; + add_3D_tensor_argument(idx, _input, binding++, slice); + add_3D_tensor_argument(idx, _output, binding++, slice); + _kernel.update_shader_params(); + enqueue(*this, slice); + } + while(window.slide_window_slice_3D(slice)); +} |