298 lines
11 KiB
C++
298 lines
11 KiB
C++
// Copyright 2019 Google LLC
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//
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree.
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#pragma once
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <cassert>
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#include <cstddef>
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#include <cstdlib>
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#include <functional>
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#include <random>
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#include <vector>
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#include <xnnpack.h>
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#include <xnnpack/AlignedAllocator.h>
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#include <xnnpack/params-init.h>
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#include <xnnpack/params.h>
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class ArgMaxPoolMicrokernelTester {
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public:
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enum class Variant {
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Native,
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Scalar,
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};
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inline ArgMaxPoolMicrokernelTester& output_pixels(size_t output_pixels) {
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assert(output_pixels != 0);
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this->output_pixels_ = output_pixels;
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return *this;
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}
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inline size_t output_pixels() const {
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return this->output_pixels_;
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}
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inline ArgMaxPoolMicrokernelTester& step(size_t step) {
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assert(step != 0);
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this->step_ = step;
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return *this;
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}
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inline size_t step() const {
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return this->step_;
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}
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inline ArgMaxPoolMicrokernelTester& input_offset(size_t input_offset) {
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assert(input_offset != 0);
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this->input_offset_ = input_offset;
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return *this;
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}
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inline size_t input_offset() const {
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return this->input_offset_;
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}
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inline ArgMaxPoolMicrokernelTester& pooling_elements(size_t pooling_elements) {
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assert(pooling_elements != 0);
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this->pooling_elements_ = pooling_elements;
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return *this;
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}
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inline size_t pooling_elements() const {
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return this->pooling_elements_;
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}
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inline size_t packed_pooling_elements() const {
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if (pooling_elements() <= primary_pooling_tile()) {
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return primary_pooling_tile();
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} else {
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return (pooling_elements() - primary_pooling_tile()) % incremental_pooling_tile() == 0 ? pooling_elements() : ((pooling_elements() - primary_pooling_tile()) / incremental_pooling_tile() + 1) * incremental_pooling_tile() + primary_pooling_tile();
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}
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}
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inline ArgMaxPoolMicrokernelTester& pooling_tile(size_t primary_tile) {
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assert(primary_tile != 0);
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this->primary_pooling_tile_ = primary_tile;
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this->incremental_pooling_tile_ = 0;
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return *this;
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}
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inline ArgMaxPoolMicrokernelTester& pooling_tile(size_t primary_tile, size_t incremental_tile) {
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assert(primary_tile != 0);
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this->primary_pooling_tile_ = primary_tile;
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this->incremental_pooling_tile_ = incremental_tile;
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return *this;
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}
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inline ArgMaxPoolMicrokernelTester& primary_pooling_tile(size_t primary_pooling_tile) {
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assert(primary_pooling_tile != 0);
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this->primary_pooling_tile_ = primary_pooling_tile;
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return *this;
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}
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inline size_t primary_pooling_tile() const {
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return this->primary_pooling_tile_;
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}
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inline ArgMaxPoolMicrokernelTester& incremental_pooling_tile(size_t incremental_pooling_tile) {
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assert(incremental_pooling_tile != 0);
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this->incremental_pooling_tile_ = incremental_pooling_tile;
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return *this;
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}
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inline size_t incremental_pooling_tile() const {
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return this->incremental_pooling_tile_;
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}
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inline ArgMaxPoolMicrokernelTester& channels(size_t channels) {
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assert(channels != 0);
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this->channels_ = channels;
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return *this;
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}
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inline size_t channels() const {
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return this->channels_;
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}
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inline ArgMaxPoolMicrokernelTester& output_stride(size_t output_stride) {
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assert(output_stride != 0);
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this->output_stride_ = output_stride;
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return *this;
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}
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inline size_t output_stride() const {
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if (this->output_stride_ == 0) {
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return channels();
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} else {
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assert(this->output_stride_ >= channels());
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return this->output_stride_;
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}
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}
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inline ArgMaxPoolMicrokernelTester& iterations(size_t iterations) {
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this->iterations_ = iterations;
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return *this;
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}
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inline size_t iterations() const {
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return this->iterations_;
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}
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void Test(xnn_f32_argmaxpool_unipass_ukernel_function argmaxpool, Variant variant = Variant::Native) const {
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std::random_device random_device;
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auto rng = std::mt19937(random_device());
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auto f32rng = std::bind(std::uniform_real_distribution<float>(0.0f, 1.0f), rng);
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std::vector<const float*> indirect_input((output_pixels() - 1) * step() + packed_pooling_elements());
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std::vector<float> input(XNN_EXTRA_BYTES / sizeof(float) +
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((output_pixels() - 1) * step() + pooling_elements()) * channels());
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std::vector<float> output((output_pixels() - 1) * output_stride() + channels());
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std::vector<uint32_t> index(output_pixels() * channels());
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std::vector<float> output_ref(output_pixels() * channels());
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std::vector<uint32_t> index_ref(output_pixels() * channels());
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for (size_t iteration = 0; iteration < iterations(); iteration++) {
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std::generate(input.begin(), input.end(), std::ref(f32rng));
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std::fill(output.begin(), output.end(), nanf(""));
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for (size_t i = 0; i < (output_pixels() - 1) * step() + pooling_elements(); i++) {
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indirect_input[i] = input.data() + i * channels() - input_offset();
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}
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std::shuffle(indirect_input.begin(),
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indirect_input.begin() + (output_pixels() - 1) * step() + pooling_elements(), rng);
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// Compute reference results, without clamping.
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for (size_t x = 0; x < output_pixels(); x++) {
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for (size_t c = 0; c < channels(); c++) {
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float max_value = indirect_input[x * step()][c + input_offset()];
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uint32_t max_index = 0;
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for (size_t p = 0; p < pooling_elements(); p++) {
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const float value = indirect_input[x * step() + p][c + input_offset()];
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if (value > max_value) {
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max_value = value;
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max_index = p;
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}
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}
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output_ref[x * channels() + c] = max_value;
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index_ref[x * channels() + c] = max_index;
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}
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}
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// Call optimized micro-kernel.
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argmaxpool(output_pixels(), pooling_elements(), channels(),
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indirect_input.data(), input_offset() * sizeof(float), output.data(), index.data(),
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step() * sizeof(void*),
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(output_stride() - channels()) * sizeof(float));
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// Verify results.
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for (size_t x = 0; x < output_pixels(); x++) {
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for (size_t c = 0; c < channels(); c++) {
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ASSERT_EQ(output_ref[x * channels() + c], output[x * output_stride() + c])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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ASSERT_EQ(
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indirect_input[x * step() + index_ref[x * channels() + c]][c + input_offset()],
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indirect_input[x * step() + index[x * channels() + c]][c + input_offset()])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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ASSERT_EQ(index_ref[x * channels() + c], index[x * channels() + c])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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}
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}
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}
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}
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void Test(xnn_f32_argmaxpool_multipass_ukernel_function argmaxpool, Variant variant = Variant::Native) const {
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std::random_device random_device;
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auto rng = std::mt19937(random_device());
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auto f32rng = std::bind(std::uniform_real_distribution<float>(0.0f, 1.0f), rng);
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std::vector<const float*> indirect_input((output_pixels() - 1) * step() + packed_pooling_elements());
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std::vector<float> input(XNN_EXTRA_BYTES / sizeof(float) +
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((output_pixels() - 1) * step() + pooling_elements()) * channels());
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std::vector<float> output((output_pixels() - 1) * output_stride() + channels());
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std::vector<uint32_t> index(output_pixels() * channels());
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std::vector<uint32_t, AlignedAllocator<uint32_t, 64>> index_buffer(
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channels() + XNN_EXTRA_BYTES / sizeof(uint32_t));
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std::vector<float, AlignedAllocator<float, 64>> output_buffer(
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channels() + XNN_EXTRA_BYTES / sizeof(float));
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std::vector<float> output_ref(output_pixels() * channels());
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std::vector<uint32_t> index_ref(output_pixels() * channels());
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for (size_t iteration = 0; iteration < iterations(); iteration++) {
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std::generate(input.begin(), input.end(), std::ref(f32rng));
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std::fill(output.begin(), output.end(), nanf(""));
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for (size_t i = 0; i < (output_pixels() - 1) * step() + pooling_elements(); i++) {
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indirect_input[i] = input.data() + i * channels() - input_offset();
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}
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std::shuffle(indirect_input.begin(),
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indirect_input.begin() + (output_pixels() - 1) * step() + pooling_elements(), rng);
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// Compute reference results, without clamping.
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for (size_t x = 0; x < output_pixels(); x++) {
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for (size_t c = 0; c < channels(); c++) {
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float max_value = indirect_input[x * step()][c + input_offset()];
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uint32_t max_index = 0;
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for (size_t p = 0; p < pooling_elements(); p++) {
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const float value = indirect_input[x * step() + p][c + input_offset()];
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if (value > max_value) {
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max_value = value;
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max_index = p;
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}
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}
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output_ref[x * channels() + c] = max_value;
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index_ref[x * channels() + c] = max_index;
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}
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}
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// Call optimized micro-kernel.
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argmaxpool(output_pixels(), pooling_elements(), channels(),
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indirect_input.data(), input_offset() * sizeof(float),
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output_buffer.data(), index_buffer.data(),
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output.data(), index.data(),
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(step() - (packed_pooling_elements() - incremental_pooling_tile())) * sizeof(void*),
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(output_stride() - channels()) * sizeof(float));
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// Verify results.
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for (size_t x = 0; x < output_pixels(); x++) {
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for (size_t c = 0; c < channels(); c++) {
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ASSERT_EQ(output_ref[x * channels() + c], output[x * output_stride() + c])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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ASSERT_EQ(
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indirect_input[x * step() + index_ref[x * channels() + c]][c + input_offset()],
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indirect_input[x * step() + index[x * channels() + c]][c + input_offset()])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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ASSERT_EQ(index_ref[x * channels() + c], index[x * channels() + c])
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<< "at pixel " << x << " / " << output_pixels() << ", channel " << c << " / " << channels()
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<< ", pooling elements = " << pooling_elements() << ", step = " << step()
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<< ", input offset = " << input_offset();
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}
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}
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}
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}
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private:
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size_t output_pixels_{1};
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size_t pooling_elements_{1};
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size_t channels_{1};
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size_t input_offset_{0};
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size_t step_{1};
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size_t primary_pooling_tile_{1};
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size_t incremental_pooling_tile_{1};
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size_t output_stride_{0};
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size_t iterations_{3};
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};
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