XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Copyright 2019 Google LLC |
| 2 | // |
| 3 | // This source code is licensed under the BSD-style license found in the |
| 4 | // LICENSE file in the root directory of this source tree. |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <gtest/gtest.h> |
| 9 | |
| 10 | #include <algorithm> |
| 11 | #include <cassert> |
| 12 | #include <cmath> |
| 13 | #include <cstddef> |
| 14 | #include <cstdlib> |
| 15 | #include <functional> |
| 16 | #include <random> |
| 17 | #include <vector> |
| 18 | |
| 19 | #include <xnnpack.h> |
| 20 | #include <xnnpack/AlignedAllocator.h> |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 21 | #include <xnnpack/params-init.h> |
Frank Barchard | e0601b5 | 2019-10-25 17:43:34 -0700 | [diff] [blame] | 22 | #include <xnnpack/params.h> |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 23 | |
| 24 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 25 | class GAvgPoolCWMicrokernelTester { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 26 | public: |
| 27 | enum class Variant { |
| 28 | Native, |
| 29 | Scalar, |
| 30 | }; |
| 31 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 32 | inline GAvgPoolCWMicrokernelTester& elements(size_t elements) { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 33 | assert(elements != 0); |
| 34 | this->elements_ = elements; |
| 35 | return *this; |
| 36 | } |
| 37 | |
| 38 | inline size_t elements() const { |
| 39 | return this->elements_; |
| 40 | } |
| 41 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 42 | inline GAvgPoolCWMicrokernelTester& channels(size_t channels) { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 43 | assert(channels != 0); |
| 44 | this->channels_ = channels; |
| 45 | return *this; |
| 46 | } |
| 47 | |
| 48 | inline size_t channels() const { |
| 49 | return this->channels_; |
| 50 | } |
| 51 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 52 | inline GAvgPoolCWMicrokernelTester& qmin(uint8_t qmin) { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 53 | this->qmin_ = qmin; |
| 54 | return *this; |
| 55 | } |
| 56 | |
| 57 | inline uint8_t qmin() const { |
| 58 | return this->qmin_; |
| 59 | } |
| 60 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 61 | inline GAvgPoolCWMicrokernelTester& qmax(uint8_t qmax) { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 62 | this->qmax_ = qmax; |
| 63 | return *this; |
| 64 | } |
| 65 | |
| 66 | inline uint8_t qmax() const { |
| 67 | return this->qmax_; |
| 68 | } |
| 69 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 70 | inline GAvgPoolCWMicrokernelTester& iterations(size_t iterations) { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 71 | this->iterations_ = iterations; |
| 72 | return *this; |
| 73 | } |
| 74 | |
| 75 | inline size_t iterations() const { |
| 76 | return this->iterations_; |
| 77 | } |
| 78 | |
| 79 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 80 | void Test(xnn_f32_gavgpool_cw_ukernel_function gavgpool, Variant variant = Variant::Native) const { |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 81 | std::random_device random_device; |
| 82 | auto rng = std::mt19937(random_device()); |
| 83 | auto f32rng = std::bind(std::uniform_real_distribution<float>(), rng); |
| 84 | |
| 85 | std::vector<float> x(elements() * channels() + XNN_EXTRA_BYTES / sizeof(float)); |
| 86 | std::vector<float> y(channels()); |
| 87 | std::vector<float> y_ref(channels()); |
| 88 | for (size_t iteration = 0; iteration < iterations(); iteration++) { |
| 89 | std::generate(x.begin(), x.end(), std::ref(f32rng)); |
| 90 | std::fill(y.begin(), y.end(), std::nanf("")); |
| 91 | |
| 92 | // Compute reference results, without clamping. |
| 93 | for (size_t i = 0; i < channels(); i++) { |
| 94 | float acc = 0.0f; |
| 95 | for (size_t j = 0; j < elements(); j++) { |
| 96 | acc += x[i * elements() + j]; |
| 97 | } |
| 98 | y_ref[i] = acc / float(elements()); |
| 99 | } |
| 100 | |
| 101 | // Compute clamping parameters. |
| 102 | const float accumulated_min = *std::min_element(y_ref.cbegin(), y_ref.cend()); |
| 103 | const float accumulated_max = *std::max_element(y_ref.cbegin(), y_ref.cend()); |
| 104 | const float accumulated_range = accumulated_max - accumulated_min; |
| 105 | const float y_min = accumulated_min + float(qmin()) / 255.0f * accumulated_range; |
| 106 | const float y_max = accumulated_max - float(255 - qmax()) / 255.0f * accumulated_range; |
| 107 | |
Frank Barchard | 9f3a843 | 2020-06-02 13:59:35 -0700 | [diff] [blame] | 108 | // Prepare parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 109 | union xnn_f32_gavgpool_params params = { }; |
| 110 | switch (variant) { |
| 111 | case Variant::Native: |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 112 | params = xnn_init_f32_gavgpool_params( |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 113 | 1.0f / float(elements()), y_min, y_max, elements()); |
| 114 | break; |
| 115 | case Variant::Scalar: |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 116 | params = xnn_init_scalar_f32_gavgpool_params( |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 117 | 1.0f / float(elements()), y_min, y_max, elements()); |
| 118 | break; |
| 119 | } |
| 120 | |
| 121 | // Clamp reference results. |
| 122 | for (float& y_value : y_ref) { |
| 123 | y_value = std::max(std::min(y_value, y_max), y_min); |
| 124 | } |
| 125 | |
| 126 | // Call optimized micro-kernel. |
| 127 | gavgpool(elements() * sizeof(float), channels(), x.data(), y.data(), ¶ms); |
| 128 | |
| 129 | // Verify results. |
| 130 | for (size_t i = 0; i < channels(); i++) { |
| 131 | ASSERT_LE(y[i], y_max) |
| 132 | << "at position " << i << ", elements = " << elements() << ", channels = " << channels(); |
| 133 | ASSERT_GE(y[i], y_min) |
| 134 | << "at position " << i << ", elements = " << elements() << ", channels = " << channels(); |
| 135 | ASSERT_NEAR(y[i], y_ref[i], std::abs(y_ref[i]) * 1.0e-6f) |
| 136 | << "at position " << i << ", elements = " << elements() << ", channels = " << channels(); |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | private: |
| 142 | size_t elements_{1}; |
| 143 | size_t channels_{1}; |
| 144 | uint8_t qmin_{0}; |
| 145 | uint8_t qmax_{255}; |
| 146 | size_t iterations_{15}; |
| 147 | }; |