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diff --git a/src/core/cpu/kernels/CpuActivationKernel.cpp b/src/core/cpu/kernels/CpuActivationKernel.cpp
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-/*
- * 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(ENABLE_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)
- },
-#endif /* defined(ENABLE_SVE) */
-#if defined(ENABLE_NEON)
- {
- "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(ENABLE_NEON) */
-#if 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 *src, const ITensorInfo *dst, const ActivationLayerInfo &activation_info)
-{
- ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(src);
- ARM_COMPUTE_RETURN_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(src, 1, DataType::QASYMM8_SIGNED, DataType::QASYMM8, DataType::QSYMM16, DataType::F16, DataType::F32);
-
- const auto *uk = get_implementation(ActivationSelectorData{ src->data_type() });
- ARM_COMPUTE_RETURN_ERROR_ON(uk == nullptr || uk->ukernel == nullptr);
-
- const DataType data_type = src->data_type();
- const QuantizationInfo &oq_info = (dst != nullptr) ? dst->quantization_info() : src->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 dst is configured
- if((dst != nullptr) && (dst->total_size() != 0))
- {
- ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_SHAPES(src, dst);
- ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst);
- }
-
- return Status{};
-}
-
-std::pair<Status, Window> validate_and_configure_window(const ITensorInfo *src, ITensorInfo *dst)
-{
- // Configure kernel window
- Window win = calculate_max_window(*src, Steps());
-
- if(dst != nullptr)
- {
- // dst auto inizialitation if not yet initialized
- auto_init_if_empty(*dst, *src->clone());
- }
-
- return std::make_pair(Status{}, win);
-}
-} // namespace
-
-void CpuActivationKernel::configure(const ITensorInfo *src, ITensorInfo *dst, ActivationLayerInfo activation_info)
-{
- ARM_COMPUTE_ERROR_ON_NULLPTR(src);
-
- _act_info = activation_info;
-
- ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, activation_info));
-
- // Configure kernel window
- auto win_config = validate_and_configure_window(src, dst);
- ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
- ICPPKernel::configure(win_config.second);
-}
-
-Status CpuActivationKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, const ActivationLayerInfo &act_info)
-{
- ARM_COMPUTE_UNUSED(act_info);
- ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, act_info));
- ARM_COMPUTE_RETURN_ON_ERROR(validate_and_configure_window(src->clone().get(), (dst != nullptr) ? dst->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