1 /*
2 * Copyright (c) 2018, 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 <math.h>
13 #include <stdio.h>
14 #include <stdlib.h>
15 #include <tuple>
16
17 #include "config/av1_rtcd.h"
18
19 #include "aom_mem/aom_mem.h"
20 #include "aom_ports/aom_timer.h"
21 #include "aom_ports/mem.h"
22 #include "gtest/gtest.h"
23 #include "test/acm_random.h"
24 #include "test/util.h"
25
26 namespace AV1CompRoundShift {
27
28 typedef void (*comp_round_shift_array_func)(int32_t *arr, int size, int bit);
29
30 #if HAVE_SSE4_1 || HAVE_NEON
31 const int kValidBitCheck[] = {
32 -4, -3, -2, -1, 0, 1, 2, 3, 4,
33 };
34 #endif // HAVE_SSE4_1 || HAVE_NEON
35
36 typedef std::tuple<comp_round_shift_array_func, BLOCK_SIZE, int>
37 CompRoundShiftParam;
38
39 class AV1CompRoundShiftTest
40 : public ::testing::TestWithParam<CompRoundShiftParam> {
41 public:
42 ~AV1CompRoundShiftTest() override;
43
SetUp()44 void SetUp() override {
45 rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed());
46 }
47
48 protected:
49 void RunCheckOutput(comp_round_shift_array_func test_impl, BLOCK_SIZE bsize,
50 int bit);
51 void RunSpeedTest(comp_round_shift_array_func test_impl, BLOCK_SIZE bsize,
52 int bit);
53
54 libaom_test::ACMRandom rnd_;
55 };
56 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AV1CompRoundShiftTest);
57
58 AV1CompRoundShiftTest::~AV1CompRoundShiftTest() = default;
59
RunCheckOutput(comp_round_shift_array_func test_impl,BLOCK_SIZE bsize,int bit)60 void AV1CompRoundShiftTest::RunCheckOutput(
61 comp_round_shift_array_func test_impl, BLOCK_SIZE bsize, int bit) {
62 const int w = block_size_wide[bsize];
63 const int h = block_size_high[bsize];
64 const int blk_wd = 64;
65 DECLARE_ALIGNED(32, int32_t, pred_[blk_wd]);
66 DECLARE_ALIGNED(32, int32_t, ref_buffer_[blk_wd]);
67 for (int i = 0; i < (blk_wd); ++i) {
68 ref_buffer_[i] = pred_[i] = rnd_.Rand31() / 16;
69 }
70 av1_round_shift_array_c(ref_buffer_, w, bit);
71 test_impl(pred_, w, bit);
72 for (int x = 0; x < w; ++x) {
73 ASSERT_EQ(ref_buffer_[x], pred_[x]) << w << "x" << h << "mismatch @"
74 << "(" << x << ")";
75 }
76 }
77
RunSpeedTest(comp_round_shift_array_func test_impl,BLOCK_SIZE bsize,int bit)78 void AV1CompRoundShiftTest::RunSpeedTest(comp_round_shift_array_func test_impl,
79 BLOCK_SIZE bsize, int bit) {
80 const int w = block_size_wide[bsize];
81 const int h = block_size_high[bsize];
82 const int blk_wd = 64;
83 DECLARE_ALIGNED(32, int32_t, ref_buffer_[blk_wd]);
84 for (int i = 0; i < (blk_wd); ++i) {
85 ref_buffer_[i] = rnd_.Rand31();
86 }
87
88 const int num_loops = 1000000000 / (w + h);
89 comp_round_shift_array_func funcs[2] = { av1_round_shift_array_c, test_impl };
90 double elapsed_time[2] = { 0 };
91 for (int i = 0; i < 2; ++i) {
92 aom_usec_timer timer;
93 aom_usec_timer_start(&timer);
94 comp_round_shift_array_func func = funcs[i];
95 for (int j = 0; j < num_loops; ++j) {
96 func(ref_buffer_, w, bit);
97 }
98 aom_usec_timer_mark(&timer);
99 double time = static_cast<double>(aom_usec_timer_elapsed(&timer));
100 elapsed_time[i] = 1000.0 * time / num_loops;
101 }
102 printf("av1_round_shift_array %3dx%-3d: bit : %d %7.2f/%7.2fns", w, h, bit,
103 elapsed_time[0], elapsed_time[1]);
104 printf("(%3.2f)\n", elapsed_time[0] / elapsed_time[1]);
105 }
106
TEST_P(AV1CompRoundShiftTest,CheckOutput)107 TEST_P(AV1CompRoundShiftTest, CheckOutput) {
108 RunCheckOutput(GET_PARAM(0), GET_PARAM(1), GET_PARAM(2));
109 }
110
TEST_P(AV1CompRoundShiftTest,DISABLED_Speed)111 TEST_P(AV1CompRoundShiftTest, DISABLED_Speed) {
112 RunSpeedTest(GET_PARAM(0), GET_PARAM(1), GET_PARAM(2));
113 }
114
115 #if HAVE_SSE4_1
116 INSTANTIATE_TEST_SUITE_P(
117 SSE4_1, AV1CompRoundShiftTest,
118 ::testing::Combine(::testing::Values(&av1_round_shift_array_sse4_1),
119 ::testing::ValuesIn(txsize_to_bsize),
120 ::testing::ValuesIn(kValidBitCheck)));
121 #endif
122
123 #if HAVE_NEON
124 INSTANTIATE_TEST_SUITE_P(
125 NEON, AV1CompRoundShiftTest,
126 ::testing::Combine(::testing::Values(&av1_round_shift_array_neon),
127 ::testing::ValuesIn(txsize_to_bsize),
128 ::testing::ValuesIn(kValidBitCheck)));
129 #endif
130
131 } // namespace AV1CompRoundShift
132