From 0a8334cb78dae66fdc31257a96ba15f7c41bde50 Mon Sep 17 00:00:00 2001 From: Michalis Spyrou Date: Wed, 14 Jun 2017 18:00:05 +0100 Subject: COMPMID-400 Add support for 16 bit fixed point arithmetic. Change-Id: Iebfaef1b219d80d6362b7fd4b1357612b31e43cb Reviewed-on: http://mpd-gerrit.cambridge.arm.com/77749 Reviewed-by: Moritz Pflanzer Tested-by: Kaizen --- tests/validation/NEON/Fixedpoint/Log_QS16.cpp | 123 ++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 tests/validation/NEON/Fixedpoint/Log_QS16.cpp (limited to 'tests/validation/NEON/Fixedpoint/Log_QS16.cpp') diff --git a/tests/validation/NEON/Fixedpoint/Log_QS16.cpp b/tests/validation/NEON/Fixedpoint/Log_QS16.cpp new file mode 100644 index 0000000000..c23d12725b --- /dev/null +++ b/tests/validation/NEON/Fixedpoint/Log_QS16.cpp @@ -0,0 +1,123 @@ +/* + * 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/Helper.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 +#include + +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 = 7.0f; /**< Tolerance value for comparing reference's output against implementation's output */ + +/** Compute Neon logarithm function for signed 16 bit fixed point. + * + * @param[in] shape Shape of the input and output tensors. + * + * @return Computed output tensor. + */ +Tensor compute_log_qs16(const TensorShape &shape, int fixed_point_position) +{ + // Create tensors + Tensor src = create_tensor(shape, DataType::QS16, 1, fixed_point_position); + Tensor dst = create_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 << (fixed_point_position - 1), 0x3FFF) so the result won't + // overflow. + std::uniform_int_distribution<> distribution((1 << (fixed_point_position - 1)), 0x3FFF); + 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(input.ptr())); + vst1q_qs16(reinterpret_cast(output.ptr()), vlogq_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(Log) + +BOOST_TEST_DECORATOR(*boost::unit_test::label("precommit") * boost::unit_test::label("nightly")) +BOOST_DATA_TEST_CASE(RunSmall, Small1DShape() * boost::unit_test::data::xrange(4, 14), shape, fixed_point_position) +{ + // Compute function + Tensor dst = compute_log_qs16(shape, fixed_point_position); + + // Compute reference + RawTensor ref_dst = Reference::compute_reference_fixed_point_operation(shape, DataType::QS16, DataType::QS16, FixedPointOp::LOG, 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 -- cgit v1.2.1