| /* |
| * Copyright (c) 2017-2021 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 "src/core/cpu/kernels/CpuActivationKernel.h" |
| |
| #include "arm_compute/core/ITensor.h" |
| #include "arm_compute/core/TensorInfo.h" |
| #include "arm_compute/core/Utils.h" |
| #include "src/core/CPP/Validate.h" |
| #include "src/core/helpers/AutoConfiguration.h" |
| #include "src/core/helpers/WindowHelpers.h" |
| |
| #include "src/core/common/Registrars.h" |
| #include "src/core/cpu/kernels/activation/list.h" |
| |
| #include <array> |
| |
| namespace arm_compute |
| { |
| namespace cpu |
| { |
| namespace kernels |
| { |
| namespace |
| { |
| struct ActivationSelectorData |
| { |
| DataType dt; |
| }; |
| |
| using ActivationSelectorPtr = std::add_pointer<bool(const ActivationSelectorData &data)>::type; |
| using ActivationKernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const ActivationLayerInfo &, const Window &)>::type; |
| |
| struct ActivationKernel |
| { |
| const char *name; |
| const ActivationSelectorPtr is_selected; |
| ActivationKernelPtr ukernel; |
| }; |
| |
| static const ActivationKernel available_kernels[] = |
| { |
| #if defined(__ARM_FEATURE_SVE) |
| { |
| "fp16_sve_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::F16; }, |
| REGISTER_FP16_SVE(arm_compute::cpu::fp16_sve_activation) |
| }, |
| { |
| "fp32_sve_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::F32; }, |
| REGISTER_FP32_SVE(arm_compute::cpu::fp32_sve_activation) |
| }, |
| #else /* !defined(__ARM_FEATURE_SVE) */ |
| { |
| "fp16_neon_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::F16; }, |
| REGISTER_FP16_NEON(arm_compute::cpu::fp16_neon_activation) |
| }, |
| { |
| "fp32_neon_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::F32; }, |
| REGISTER_FP32_NEON(arm_compute::cpu::fp32_neon_activation) |
| }, |
| #endif /* defined(__ARM_FEATURE_SVE) */ |
| |
| #if defined(__ARM_FEATURE_SVE2) /* defined(__ARM_FEATURE_SVE2) */ |
| { |
| "qasymm8_sve_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QASYMM8; }, |
| REGISTER_QASYMM8_SVE(arm_compute::cpu::qasymm8_sve_activation) |
| }, |
| { |
| "qasymm8_signed_sve_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QASYMM8_SIGNED; }, |
| REGISTER_QASYMM8_SIGNED_SVE(arm_compute::cpu::qasymm8_signed_sve_activation) |
| }, |
| { |
| "qsymm16_sve_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QSYMM16; }, |
| REGISTER_QSYMM16_SVE(arm_compute::cpu::qsymm16_sve_activation) |
| }, |
| #else /* !defined(__ARM_FEATURE_SVE2) */ |
| { |
| "qasymm8_neon_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QASYMM8; }, |
| REGISTER_QASYMM8_NEON(arm_compute::cpu::qasymm8_neon_activation) |
| }, |
| { |
| "qasymm8_signed_neon_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QASYMM8_SIGNED; }, |
| REGISTER_QASYMM8_SIGNED_NEON(arm_compute::cpu::qasymm8_signed_neon_activation) |
| }, |
| { |
| "qsymm16_neon_activation", |
| [](const ActivationSelectorData & data) { return data.dt == DataType::QSYMM16; }, |
| REGISTER_QSYMM16_NEON(arm_compute::cpu::qsymm16_neon_activation) |
| }, |
| #endif /* defined(__ARM_FEATURE_SVE2) */ |
| }; |
| |
| const ActivationKernel *get_implementation(const ActivationSelectorData &data) |
| { |
| for(const auto &uk : available_kernels) |
| { |
| if(uk.is_selected(data)) |
| { |
| return &uk; |
| } |
| } |
| return nullptr; |
| } |
| |
| /* Supported activation in the 8-bit integer domain */ |
| static const std::array<ActivationLayerInfo::ActivationFunction, 7> qasymm8_activations = |
| { |
| ActivationLayerInfo::ActivationFunction::RELU, |
| ActivationLayerInfo::ActivationFunction::LU_BOUNDED_RELU, |
| ActivationLayerInfo::ActivationFunction::BOUNDED_RELU, |
| ActivationLayerInfo::ActivationFunction::LOGISTIC, |
| ActivationLayerInfo::ActivationFunction::TANH, |
| ActivationLayerInfo::ActivationFunction::HARD_SWISH, |
| ActivationLayerInfo::ActivationFunction::LEAKY_RELU, |
| }; |
| /* Supported activation in the 16-bit integer domain */ |
| static const std::array<ActivationLayerInfo::ActivationFunction, 3> qsymm16_activations = |
| { |
| ActivationLayerInfo::ActivationFunction::LOGISTIC, |
| ActivationLayerInfo::ActivationFunction::TANH, |
| ActivationLayerInfo::ActivationFunction::HARD_SWISH |
| }; |
| |
| Status validate_arguments(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &activation_info) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(input); |
| ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::QSYMM16, DataType::F16, DataType::F32); |
| |
| const auto *uk = get_implementation(ActivationSelectorData{ input->data_type() }); |
| ARM_COMPUTE_RETURN_ERROR_ON(uk == nullptr || uk->ukernel == nullptr); |
| |
| const DataType data_type = input->data_type(); |
| const QuantizationInfo &oq_info = (output != nullptr) ? output->quantization_info() : input->quantization_info(); |
| const ActivationLayerInfo::ActivationFunction f_act = activation_info.activation(); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(is_data_type_quantized_asymmetric(data_type) && (std::find(std::begin(qasymm8_activations), std::end(qasymm8_activations), f_act) == std::end(qasymm8_activations)), |
| "For QASYMM8 only hard swish, leaky relu, tanh, logistic, relu and lower/upper bounded relu are supported"); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON_MSG(is_data_type_quantized_symmetric(data_type) && (std::find(std::begin(qsymm16_activations), std::end(qsymm16_activations), f_act) == std::end(qsymm16_activations)), |
| "For QSYMM16 only tanh and logistic are supported"); |
| ARM_COMPUTE_RETURN_ERROR_ON((data_type == DataType::QASYMM8 || data_type == DataType::QASYMM16) && (f_act == ActivationLayerInfo::ActivationFunction::TANH) |
| && (oq_info != QuantizationInfo(1.f / 128.f, 128))); |
| ARM_COMPUTE_RETURN_ERROR_ON((data_type == DataType::QASYMM8 || data_type == DataType::QASYMM16) && (f_act == ActivationLayerInfo::ActivationFunction::LOGISTIC) |
| && (oq_info != QuantizationInfo(1.f / 256.f, 0))); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON(data_type == DataType::QASYMM8_SIGNED && (f_act == ActivationLayerInfo::ActivationFunction::TANH) && (oq_info != QuantizationInfo(1.f / 128.f, 0))); |
| ARM_COMPUTE_RETURN_ERROR_ON(data_type == DataType::QASYMM8_SIGNED && (f_act == ActivationLayerInfo::ActivationFunction::LOGISTIC) && (oq_info != QuantizationInfo(1.f / 256.f, -128))); |
| |
| ARM_COMPUTE_RETURN_ERROR_ON(is_data_type_quantized_symmetric(data_type) && (f_act == ActivationLayerInfo::ActivationFunction::TANH) && (oq_info != QuantizationInfo(1.f / 32768.f, 0))); |
| ARM_COMPUTE_RETURN_ERROR_ON(is_data_type_quantized_symmetric(data_type) && (f_act == ActivationLayerInfo::ActivationFunction::LOGISTIC) && (oq_info != QuantizationInfo(1.f / 32768.f, 0))); |
| |
| // Checks performed when output is configured |
| if((output != nullptr) && (output->total_size() != 0)) |
| { |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| } |
| |
| return Status{}; |
| } |
| |
| std::pair<Status, Window> validate_and_configure_window(const ITensorInfo *input, ITensorInfo *output) |
| { |
| // Configure kernel window |
| Window win = calculate_max_window(*input, Steps()); |
| |
| if(output != nullptr) |
| { |
| // Output auto inizialitation if not yet initialized |
| auto_init_if_empty(*output, *input->clone()); |
| |
| Coordinates coord; |
| coord.set_num_dimensions(output->num_dimensions()); |
| output->set_valid_region(ValidRegion(coord, output->tensor_shape())); |
| } |
| |
| return std::make_pair(Status{}, win); |
| } |
| } // namespace |
| |
| void CpuActivationKernel::configure(const ITensorInfo *input, ITensorInfo *output, ActivationLayerInfo activation_info) |
| { |
| ARM_COMPUTE_ERROR_ON_NULLPTR(input, output); |
| |
| _act_info = activation_info; |
| |
| ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(input, output, activation_info)); |
| |
| // Configure kernel window |
| auto win_config = validate_and_configure_window(input, output); |
| ARM_COMPUTE_ERROR_THROW_ON(win_config.first); |
| ICPPKernel::configure(win_config.second); |
| } |
| |
| Status CpuActivationKernel::validate(const ITensorInfo *input, const ITensorInfo *output, const ActivationLayerInfo &act_info) |
| { |
| ARM_COMPUTE_UNUSED(act_info); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(input, output, act_info)); |
| ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(input->clone().get(), (output != nullptr) ? output->clone().get() : nullptr).first); |
| |
| return Status{}; |
| } |
| |
| void CpuActivationKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) |
| { |
| // Early exit on disabled activation |
| if(!_act_info.enabled()) |
| { |
| return; |
| } |
| |
| ARM_COMPUTE_UNUSED(info); |
| ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
| |
| ARM_COMPUTE_ERROR_ON(tensors.empty()); |
| |
| const ITensor *src = tensors.get_const_tensor(TensorType::ACL_SRC); |
| ITensor *dst = tensors.get_tensor(TensorType::ACL_DST); |
| |
| const auto *uk = get_implementation(ActivationSelectorData{ src->info()->data_type() }); |
| |
| uk->ukernel(src, dst, _act_info, window); |
| } |
| |
| const char *CpuActivationKernel::name() const |
| { |
| return "CpuActivationKernel"; |
| } |
| } // namespace kernels |
| } // namespace cpu |
| } // namespace arm_compute |