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/*
* Copyright (c) 2018-2021, 2023 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/NEON/kernels/NERangeKernel.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Helpers.h"
#include "arm_compute/core/ITensor.h"
#include "arm_compute/core/TensorInfo.h"
#include "arm_compute/core/Utils.h"
#include "arm_compute/core/Validate.h"
#include "src/core/common/Registrars.h"
#include "src/core/helpers/AutoConfiguration.h"
#include "src/core/helpers/WindowHelpers.h"
#include "src/core/NEON/NEAsymm.h"
#include "src/core/NEON/wrapper/wrapper.h"
#include "src/cpu/kernels/range/list.h"
namespace arm_compute
{
namespace
{
struct RangeSelectorData
{
DataType dt;
};
using RangeSelectorPtr = std::add_pointer<bool(const RangeSelectorData &data)>::type;
using RangeUKernelPtr = std::add_pointer<void(ITensor *, float, float, const Window &)>::type;
struct RangeUKernel
{
const char *name;
const RangeSelectorPtr is_selected;
RangeUKernelPtr ukernel;
};
static const RangeUKernel available_kernels[] = {
{"fp16_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::F16; },
REGISTER_FP16_NEON(arm_compute::cpu::fp16_neon_range_function)},
{"f32_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::F32; },
REGISTER_FP32_NEON(arm_compute::cpu::fp32_neon_range_function)},
{"u8_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::U8; },
REGISTER_INTEGER_NEON(arm_compute::cpu::u8_neon_range_function)},
{"u16_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::U16; },
REGISTER_INTEGER_NEON(arm_compute::cpu::u16_neon_range_function)},
{"u32_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::U32; },
REGISTER_INTEGER_NEON(arm_compute::cpu::u32_neon_range_function)},
{"s8_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::S8; },
REGISTER_INTEGER_NEON(arm_compute::cpu::s8_neon_range_function)},
{"s16_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::S16; },
REGISTER_INTEGER_NEON(arm_compute::cpu::s16_neon_range_function)},
{"s32_neon_range", [](const RangeSelectorData &data) { return data.dt == DataType::S32; },
REGISTER_INTEGER_NEON(arm_compute::cpu::s32_neon_range_function)},
};
/** Micro-kernel selector
*
* @param[in] data Selection data passed to help pick the appropriate micro-kernel
*
* @return A matching micro-kernel else nullptr
*/
const RangeUKernel *get_implementation(const RangeSelectorData &data)
{
for (const auto &uk : available_kernels)
{
if (uk.is_selected(data))
{
return &uk;
}
}
return nullptr;
}
Status validate_arguments(const ITensorInfo &output, const float start, const float end, const float step)
{
const auto *uk = get_implementation(RangeSelectorData{output.data_type()});
ARM_COMPUTE_RETURN_ERROR_ON(uk == nullptr || uk->ukernel == nullptr);
ARM_COMPUTE_RETURN_ERROR_ON_MSG((start == end), "start of the requested sequence must not be equal to the end");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(((start < end) && (step <= 0)), "step must be greater than 0 when start < end");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(((start > end) && (step >= 0)), "step must be less than 0 when start > end");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(!check_value_range(start, output.data_type(), output.quantization_info()),
"start value is outside the range of the data type");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(!check_value_range(end, output.data_type(), output.quantization_info()),
"end value is outside the range of the data type");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(!check_value_range(step, output.data_type(), output.quantization_info()),
"step value is outside the range of the data type");
ARM_COMPUTE_RETURN_ERROR_ON_MSG((start == end), "start of the requested sequence must not be equal to the end");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(output.num_dimensions() != 1, "Output has to be a 1-D tensor");
ARM_COMPUTE_RETURN_ERROR_ON_MSG(output.tensor_shape().total_size() < num_of_elements_in_range(start, end, step),
"Output tensor size is incorrect");
return Status{};
}
} // namespace
NERangeKernel::NERangeKernel() : _start(0), _end(1), _step(1), _output(nullptr)
{
}
void NERangeKernel::configure(ITensor *output, float start, float end, float step)
{
ARM_COMPUTE_ERROR_ON_NULLPTR(output);
ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(*(output->info()), start, end, step));
// Auto initialize output if not initialized
auto_init_if_empty(*output->info(), TensorShape(num_of_elements_in_range(start, end, step)), 1,
output->info()->data_type(), output->info()->quantization_info());
// Configure kernel window
Window win = calculate_max_window(*output->info(), Steps());
_start = start;
_end = end;
_step = step;
_output = output;
INEKernel::configure(win);
}
Status NERangeKernel::validate(const ITensorInfo *output, float start, float end, float step)
{
ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(output);
ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(*output, start, end, step));
return Status{};
}
void NERangeKernel::run(const Window &window, const ThreadInfo &info)
{
ARM_COMPUTE_UNUSED(info);
ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(INEKernel::window(), window);
const auto *uk = get_implementation(RangeSelectorData{_output->info()->data_type()});
uk->ukernel(_output, _start, _step, window);
}
} // namespace arm_compute
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