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 <cstddef> |
| 13 | #include <cstdlib> |
| 14 | #include <functional> |
| 15 | #include <random> |
| 16 | #include <vector> |
| 17 | |
| 18 | #include <xnnpack.h> |
| 19 | #include <xnnpack/AlignedAllocator.h> |
| 20 | #include <xnnpack/params.h> |
| 21 | |
| 22 | |
| 23 | class PackMicrokernelTester { |
| 24 | public: |
| 25 | inline PackMicrokernelTester& mr(size_t mr) { |
| 26 | assert(mr != 0); |
| 27 | this->mr_ = mr; |
| 28 | return *this; |
| 29 | } |
| 30 | |
| 31 | inline size_t mr() const { |
| 32 | return this->mr_; |
| 33 | } |
| 34 | |
| 35 | inline PackMicrokernelTester& m(size_t m) { |
| 36 | assert(m != 0); |
| 37 | this->m_ = m; |
| 38 | return *this; |
| 39 | } |
| 40 | |
| 41 | inline size_t m() const { |
| 42 | return this->m_; |
| 43 | } |
| 44 | |
| 45 | inline PackMicrokernelTester& k(size_t k) { |
| 46 | assert(k != 0); |
| 47 | this->k_ = k; |
| 48 | return *this; |
| 49 | } |
| 50 | |
| 51 | inline size_t k() const { |
| 52 | return this->k_; |
| 53 | } |
| 54 | |
| 55 | inline PackMicrokernelTester& x_stride(size_t x_stride) { |
| 56 | assert(x_stride != 0); |
| 57 | this->x_stride_ = x_stride; |
| 58 | return *this; |
| 59 | } |
| 60 | |
| 61 | inline size_t x_stride() const { |
| 62 | if (this->x_stride_ == 0) { |
| 63 | return k(); |
| 64 | } else { |
| 65 | assert(this->x_stride_ >= k()); |
| 66 | return this->x_stride_; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | inline PackMicrokernelTester& iterations(size_t iterations) { |
| 71 | this->iterations_ = iterations; |
| 72 | return *this; |
| 73 | } |
| 74 | |
| 75 | inline size_t iterations() const { |
| 76 | return this->iterations_; |
| 77 | } |
| 78 | |
| 79 | void Test(xnn_x32_packx_ukernel_function packx) const { |
| 80 | std::random_device random_device; |
| 81 | auto rng = std::mt19937(random_device()); |
| 82 | auto u32rng = std::bind(std::uniform_int_distribution<uint32_t>(), rng); |
| 83 | |
| 84 | const uint32_t c = u32rng(); |
| 85 | std::vector<uint32_t> x(k() + (m() - 1) * x_stride() + XNN_EXTRA_BYTES / sizeof(uint32_t)); |
Marat Dukhan | 9594db0 | 2019-12-05 14:32:37 -0800 | [diff] [blame] | 86 | std::vector<uint32_t, AlignedAllocator<uint32_t, 64>> y(mr() * k()); |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 87 | std::vector<uint32_t> y_ref(mr() * k()); |
| 88 | for (size_t iteration = 0; iteration < iterations(); iteration++) { |
| 89 | std::generate(x.begin(), x.end(), std::ref(u32rng)); |
| 90 | std::generate(y.begin(), y.end(), std::ref(u32rng)); |
| 91 | |
| 92 | // Compute reference results. |
| 93 | std::fill(y_ref.begin(), y_ref.end(), c); |
| 94 | for (size_t i = 0; i < mr(); i++) { |
| 95 | for (size_t j = 0; j < k(); j++) { |
| 96 | y_ref[j * mr() + i] = x[std::min(i, m() - 1) * x_stride() + j]; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | // Call optimized micro-kernel. |
| 101 | packx( |
| 102 | m(), k(), |
| 103 | x.data(), x_stride() * sizeof(uint32_t), |
| 104 | y.data()); |
| 105 | |
| 106 | // Verify results. |
| 107 | for (size_t i = 0; i < mr(); i++) { |
| 108 | for (size_t j = 0; j < k(); j++) { |
| 109 | ASSERT_EQ(y_ref[j * mr() + i], y[j * mr() + i]) |
| 110 | << "at pixel = " << i << ", channel = " << j << ", " |
| 111 | << "m = " << m() << ", k = " << k(); |
| 112 | } |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | private: |
| 118 | size_t mr_{1}; |
| 119 | size_t m_{1}; |
| 120 | size_t k_{1}; |
| 121 | size_t x_stride_{0}; |
| 122 | size_t iterations_{1}; |
| 123 | }; |