| /* |
| * 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 "Globals.h" |
| #include "NEON/NEAccessor.h" |
| #include "TensorLibrary.h" |
| #include "TypePrinter.h" |
| #include "Utils.h" |
| #include "validation/Datasets.h" |
| #include "validation/ReferenceCPP.h" |
| #include "validation/Validation.h" |
| |
| #include "arm_compute/core/Helpers.h" |
| #include "arm_compute/core/NEON/NEFixedPoint.h" |
| #include "arm_compute/core/Types.h" |
| #include "arm_compute/runtime/Tensor.h" |
| #include "arm_compute/runtime/TensorAllocator.h" |
| |
| #include "boost_wrapper.h" |
| |
| #include <random> |
| #include <string> |
| |
| using namespace arm_compute; |
| using namespace arm_compute::test; |
| using namespace arm_compute::test::neon; |
| using namespace arm_compute::test::validation; |
| |
| namespace |
| { |
| const float tolerance = 1.0f; /**< Tolerance value for comparing reference's output against implementation's output */ |
| |
| /** Compute Neon exponential function for signed 16 bit fixed point. |
| * |
| * @param[in] shape Shape of the input and output tensors. |
| * |
| * @return Computed output tensor. |
| */ |
| Tensor compute_exp_qs16(const TensorShape &shape, int fixed_point_position) |
| { |
| // Create tensors |
| Tensor src = create_tensor<Tensor>(shape, DataType::QS16, 1, fixed_point_position); |
| Tensor dst = create_tensor<Tensor>(shape, DataType::QS16, 1, fixed_point_position); |
| |
| constexpr unsigned int num_elems_processed_per_iteration = 8; |
| Window window = calculate_max_window(*src.info(), Steps(num_elems_processed_per_iteration)); |
| AccessWindowHorizontal input_access(src.info(), 0, num_elems_processed_per_iteration); |
| AccessWindowHorizontal output_access(dst.info(), 0, num_elems_processed_per_iteration); |
| |
| update_window_and_padding(window, input_access, output_access); |
| output_access.set_valid_region(window, src.info()->valid_region()); |
| |
| // Allocate tensors |
| src.allocator()->allocate(); |
| dst.allocator()->allocate(); |
| |
| BOOST_TEST(!src.info()->is_resizable()); |
| BOOST_TEST(!dst.info()->is_resizable()); |
| |
| // Fill tensors. Keep the range between [-1.0, 1.0) so the result won't |
| // overflow. |
| std::uniform_int_distribution<> distribution(-(1 << (fixed_point_position - 1)), (1 << (fixed_point_position - 1))); |
| library->fill(NEAccessor(src), distribution, 0); |
| |
| Iterator input(&src, window); |
| Iterator output(&dst, window); |
| |
| execute_window_loop(window, [&](const Coordinates & id) |
| { |
| qint16x8_t in = vld1q_qs16(reinterpret_cast<const qint16_t *>(input.ptr())); |
| // Use saturated exp |
| vst1q_qs16(reinterpret_cast<qint16_t *>(output.ptr()), vqexpq_qs16(in, fixed_point_position)); |
| }, |
| input, output); |
| |
| return dst; |
| } |
| } // namespace |
| |
| #ifndef DOXYGEN_SKIP_THIS |
| BOOST_AUTO_TEST_SUITE(NEON) |
| BOOST_AUTO_TEST_SUITE(FixedPoint) |
| BOOST_AUTO_TEST_SUITE(QS16) |
| BOOST_AUTO_TEST_SUITE(Exp) |
| |
| BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly")) |
| BOOST_DATA_TEST_CASE(RunSmall, Small1DShape() * boost::unit_test::data::xrange(1, 15), shape, fixed_point_position) |
| { |
| // Compute function |
| Tensor dst = compute_exp_qs16(shape, fixed_point_position); |
| |
| // Compute reference |
| RawTensor ref_dst = Reference::compute_reference_fixed_point_operation(shape, DataType::QS16, DataType::QS16, FixedPointOp::EXP, fixed_point_position); |
| |
| // Validate output |
| validate(NEAccessor(dst), ref_dst, tolerance, 0); |
| } |
| |
| BOOST_AUTO_TEST_SUITE_END() |
| BOOST_AUTO_TEST_SUITE_END() |
| BOOST_AUTO_TEST_SUITE_END() |
| BOOST_AUTO_TEST_SUITE_END() |
| #endif /* DOXYGEN_SKIP_THIS */ |