disflow_test.cc (4546B)
1 /* 2 * Copyright (c) 2023, Alliance for Open Media. All rights reserved. 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #include "aom_dsp/flow_estimation/disflow.h" 13 14 #include "gtest/gtest.h" 15 16 #include "config/aom_dsp_rtcd.h" 17 #include "test/acm_random.h" 18 #include "test/register_state_check.h" 19 #include "test/util.h" 20 #include "test/yuv_video_source.h" 21 22 namespace { 23 24 using ComputeFlowAtPointFunc = void (*)(const uint8_t *src, const uint8_t *ref, 25 int x, int y, int width, int height, 26 int stride, double *u, double *v); 27 28 class ComputeFlowTest 29 : public ::testing::TestWithParam<ComputeFlowAtPointFunc> { 30 public: 31 ComputeFlowTest() 32 : target_func_(GetParam()), 33 rnd_(libaom_test::ACMRandom::DeterministicSeed()) {} 34 35 protected: 36 void RunCheckOutput(int run_times); 37 ComputeFlowAtPointFunc target_func_; 38 39 libaom_test::ACMRandom rnd_; 40 }; 41 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(ComputeFlowTest); 42 43 void ComputeFlowTest::RunCheckOutput(int run_times) { 44 constexpr int kWidth = 352; 45 constexpr int kHeight = 288; 46 47 ::libaom_test::YUVVideoSource video("bus_352x288_420_f20_b8.yuv", 48 AOM_IMG_FMT_I420, kWidth, kHeight, 30, 1, 49 0, 2); 50 // Use Y (Luminance) plane. 51 video.Begin(); 52 uint8_t *src = video.img()->planes[0]; 53 ASSERT_NE(src, nullptr); 54 video.Next(); 55 uint8_t *ref = video.img()->planes[0]; 56 ASSERT_NE(ref, nullptr); 57 58 // Pick a random value between -5 and 5. The range was chosen arbitrarily as 59 // u and v can take any kind of value in practise, but it shouldn't change the 60 // outcome of the tests. 61 const double u_rand = (static_cast<double>(rnd_.Rand8()) / 255) * 10 - 5; 62 double u_ref = u_rand; 63 double u_test = u_rand; 64 65 const double v_rand = (static_cast<double>(rnd_.Rand8()) / 255) * 10 - 5; 66 double v_ref = v_rand; 67 double v_test = v_rand; 68 69 // Pick a random point in the frame. If the frame is 352x288, that means we 70 // can call the function on all values of x comprised between 8 and 344, and 71 // all values of y comprised between 8 and 280. 72 const int x = rnd_((kWidth - 8) - 8 + 1) + 8; 73 const int y = rnd_((kHeight - 8) - 8 + 1) + 8; 74 75 aom_usec_timer ref_timer, test_timer; 76 77 aom_compute_flow_at_point_c(src, ref, x, y, kWidth, kHeight, kWidth, &u_ref, 78 &v_ref); 79 80 target_func_(src, ref, x, y, kWidth, kHeight, kWidth, &u_test, &v_test); 81 82 if (run_times > 1) { 83 aom_usec_timer_start(&ref_timer); 84 for (int i = 0; i < run_times; ++i) { 85 aom_compute_flow_at_point_c(src, ref, x, y, kWidth, kHeight, kWidth, 86 &u_ref, &v_ref); 87 } 88 aom_usec_timer_mark(&ref_timer); 89 const double elapsed_time_c = 90 static_cast<double>(aom_usec_timer_elapsed(&ref_timer)); 91 92 aom_usec_timer_start(&test_timer); 93 for (int i = 0; i < run_times; ++i) { 94 target_func_(src, ref, x, y, kWidth, kHeight, kWidth, &u_test, &v_test); 95 } 96 aom_usec_timer_mark(&test_timer); 97 const double elapsed_time_simd = 98 static_cast<double>(aom_usec_timer_elapsed(&test_timer)); 99 100 printf("c_time=%fns \t simd_time=%fns \t speedup=%.2f\n", elapsed_time_c, 101 elapsed_time_simd, (elapsed_time_c / elapsed_time_simd)); 102 } else { 103 ASSERT_EQ(u_ref, u_test); 104 ASSERT_EQ(v_ref, v_test); 105 } 106 } 107 108 TEST_P(ComputeFlowTest, CheckOutput) { RunCheckOutput(1); } 109 110 TEST_P(ComputeFlowTest, DISABLED_Speed) { RunCheckOutput(10000000); } 111 112 #if HAVE_SSE4_1 113 INSTANTIATE_TEST_SUITE_P(SSE4_1, ComputeFlowTest, 114 ::testing::Values(aom_compute_flow_at_point_sse4_1)); 115 #endif 116 117 #if HAVE_AVX2 118 INSTANTIATE_TEST_SUITE_P(AVX2, ComputeFlowTest, 119 ::testing::Values(aom_compute_flow_at_point_avx2)); 120 #endif 121 122 #if HAVE_NEON 123 INSTANTIATE_TEST_SUITE_P(NEON, ComputeFlowTest, 124 ::testing::Values(aom_compute_flow_at_point_neon)); 125 #endif 126 127 #if HAVE_SVE 128 INSTANTIATE_TEST_SUITE_P(SVE, ComputeFlowTest, 129 ::testing::Values(aom_compute_flow_at_point_sve)); 130 #endif 131 132 } // namespace