2 * Copyright (c) 2016, 2017 ARM Limited.
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24 #include "arm_compute/core/CL/kernels/CLActivationLayerKernel.h"
26 #include "arm_compute/core/CL/CLHelpers.h"
27 #include "arm_compute/core/CL/CLKernelLibrary.h"
28 #include "arm_compute/core/CL/ICLTensor.h"
29 #include "arm_compute/core/Helpers.h"
30 #include "arm_compute/core/IAccessWindow.h"
31 #include "arm_compute/core/TensorInfo.h"
32 #include "arm_compute/core/Utils.h"
33 #include "arm_compute/core/Validate.h"
34 #include "arm_compute/core/Window.h"
36 using namespace arm_compute;
38 void CLActivationLayerKernel::configure(const ICLTensor *input, ICLTensor *output, ActivationLayerInfo act_info)
40 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::S16, DataType::U16, DataType::F16, DataType::F32);
41 ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(output, 1, DataType::S16, DataType::U16, DataType::F16, DataType::F32);
42 ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output);
45 std::set<std::string> build_opts;
46 build_opts.insert(("-D" + string_from_activation_func(act_info.activation())));
47 build_opts.insert(("-D" + ((is_data_type_float(input->info()->data_type())) ? std::string("TYPE_FP") : std::string("TYPE_INT"))));
48 build_opts.insert(("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type())));
49 build_opts.insert(("-DA=" + val_to_string(act_info.a())));
50 build_opts.insert(("-DB=" + val_to_string(act_info.b())));
53 _kernel = static_cast<cl::Kernel>(CLKernelLibrary::get().create_kernel("activation_layer", build_opts));
55 // Make sure _kernel is initialized before calling the parent's configure
56 constexpr unsigned int num_elems_processed_per_iteration = 16;
57 ICLSimple2DKernel::configure(input, output, num_elems_processed_per_iteration);