|  | /* | 
|  | * Copyright (c) 2021, Alliance for Open Media. All rights reserved | 
|  | * | 
|  | * This source code is subject to the terms of the BSD 3-Clause Clear License | 
|  | * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear | 
|  | * License was not distributed with this source code in the LICENSE file, you | 
|  | * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/.  If the | 
|  | * Alliance for Open Media Patent License 1.0 was not distributed with this | 
|  | * source code in the PATENTS file, you can obtain it at | 
|  | * aomedia.org/license/patent-license/. | 
|  | */ | 
|  |  | 
|  | #include <cstdlib> | 
|  | #include <string> | 
|  | #include <tuple> | 
|  |  | 
|  | #include "third_party/googletest/src/googletest/include/gtest/gtest.h" | 
|  |  | 
|  | #include "config/aom_config.h" | 
|  | #include "config/av1_rtcd.h" | 
|  |  | 
|  | #include "aom_ports/aom_timer.h" | 
|  | #include "av1/common/cdef_block.h" | 
|  | #include "test/acm_random.h" | 
|  | #include "test/clear_system_state.h" | 
|  | #include "test/register_state_check.h" | 
|  | #include "test/util.h" | 
|  |  | 
|  | using libaom_test::ACMRandom; | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | typedef std::tuple<cdef_filter_block_func, cdef_filter_block_func, BLOCK_SIZE, | 
|  | int, int> | 
|  | cdef_dir_param_t; | 
|  |  | 
|  | class CDEFBlockTest : public ::testing::TestWithParam<cdef_dir_param_t> { | 
|  | public: | 
|  | virtual ~CDEFBlockTest() {} | 
|  | virtual void SetUp() { | 
|  | cdef = GET_PARAM(0); | 
|  | ref_cdef = GET_PARAM(1); | 
|  | bsize = GET_PARAM(2); | 
|  | boundary = GET_PARAM(3); | 
|  | depth = GET_PARAM(4); | 
|  | } | 
|  |  | 
|  | virtual void TearDown() { libaom_test::ClearSystemState(); } | 
|  |  | 
|  | protected: | 
|  | BLOCK_SIZE bsize; | 
|  | int boundary; | 
|  | int depth; | 
|  | cdef_filter_block_func cdef; | 
|  | cdef_filter_block_func ref_cdef; | 
|  | }; | 
|  | GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CDEFBlockTest); | 
|  |  | 
|  | typedef CDEFBlockTest CDEFSpeedTest; | 
|  | GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CDEFSpeedTest); | 
|  |  | 
|  | void test_cdef(BLOCK_SIZE bsize, int iterations, cdef_filter_block_func cdef, | 
|  | cdef_filter_block_func ref_cdef, int boundary, int depth) { | 
|  | const int size = 8; | 
|  | const int ysize = size + 2 * CDEF_VBORDER; | 
|  | ACMRandom rnd(ACMRandom::DeterministicSeed()); | 
|  | DECLARE_ALIGNED(16, uint16_t, s[ysize * CDEF_BSTRIDE]); | 
|  | DECLARE_ALIGNED(16, static uint16_t, d[size * size]); | 
|  | DECLARE_ALIGNED(16, static uint16_t, ref_d[size * size]); | 
|  | memset(ref_d, 0, sizeof(ref_d)); | 
|  | memset(d, 0, sizeof(d)); | 
|  |  | 
|  | int error = 0, pristrength = 0, secstrength, dir; | 
|  | int pridamping, secdamping, bits, level, count, | 
|  | errdepth = 0, errpristrength = 0, errsecstrength = 0, errboundary = 0, | 
|  | errpridamping = 0, errsecdamping = 0; | 
|  | unsigned int pos = 0; | 
|  |  | 
|  | const unsigned int max_pos = size * size >> static_cast<int>(depth == 8); | 
|  | for (pridamping = 3 + depth - 8; pridamping < 7 - 3 * !!boundary + depth - 8; | 
|  | pridamping++) { | 
|  | for (secdamping = 3 + depth - 8; | 
|  | secdamping < 7 - 3 * !!boundary + depth - 8; secdamping++) { | 
|  | for (count = 0; count < iterations; count++) { | 
|  | for (level = 0; level < (1 << depth) && !error; | 
|  | level += (2 + 6 * !!boundary) << (depth - 8)) { | 
|  | for (bits = 1; bits <= depth && !error; bits += 1 + 3 * !!boundary) { | 
|  | for (unsigned int i = 0; i < sizeof(s) / sizeof(*s); i++) | 
|  | s[i] = clamp((rnd.Rand16() & ((1 << bits) - 1)) + level, 0, | 
|  | (1 << depth) - 1); | 
|  | if (boundary) { | 
|  | if (boundary & 1) {  // Left | 
|  | for (int i = 0; i < ysize; i++) | 
|  | for (int j = 0; j < CDEF_HBORDER; j++) | 
|  | s[i * CDEF_BSTRIDE + j] = CDEF_VERY_LARGE; | 
|  | } | 
|  | if (boundary & 2) {  // Right | 
|  | for (int i = 0; i < ysize; i++) | 
|  | for (int j = CDEF_HBORDER + size; j < CDEF_BSTRIDE; j++) | 
|  | s[i * CDEF_BSTRIDE + j] = CDEF_VERY_LARGE; | 
|  | } | 
|  | if (boundary & 4) {  // Above | 
|  | for (int i = 0; i < CDEF_VBORDER; i++) | 
|  | for (int j = 0; j < CDEF_BSTRIDE; j++) | 
|  | s[i * CDEF_BSTRIDE + j] = CDEF_VERY_LARGE; | 
|  | } | 
|  | if (boundary & 8) {  // Below | 
|  | for (int i = CDEF_VBORDER + size; i < ysize; i++) | 
|  | for (int j = 0; j < CDEF_BSTRIDE; j++) | 
|  | s[i * CDEF_BSTRIDE + j] = CDEF_VERY_LARGE; | 
|  | } | 
|  | } | 
|  | for (dir = 0; dir < 8; dir++) { | 
|  | for (pristrength = 0; pristrength <= 19 << (depth - 8) && !error; | 
|  | pristrength += (1 + 4 * !!boundary) << (depth - 8)) { | 
|  | if (pristrength == 16) pristrength = 19; | 
|  | for (secstrength = 0; secstrength <= 4 << (depth - 8) && !error; | 
|  | secstrength += 1 << (depth - 8)) { | 
|  | if (secstrength == 3 << (depth - 8)) continue; | 
|  | ref_cdef(depth == 8 ? (uint8_t *)ref_d : 0, ref_d, size, | 
|  | s + CDEF_HBORDER + CDEF_VBORDER * CDEF_BSTRIDE, | 
|  | pristrength, secstrength, dir, pridamping, | 
|  | secdamping, bsize, depth - 8); | 
|  | // If cdef and ref_cdef are the same, we're just testing | 
|  | // speed | 
|  | if (cdef != ref_cdef) | 
|  | ASM_REGISTER_STATE_CHECK( | 
|  | cdef(depth == 8 ? (uint8_t *)d : 0, d, size, | 
|  | s + CDEF_HBORDER + CDEF_VBORDER * CDEF_BSTRIDE, | 
|  | pristrength, secstrength, dir, pridamping, | 
|  | secdamping, bsize, depth - 8)); | 
|  | if (ref_cdef != cdef) { | 
|  | for (pos = 0; pos < max_pos && !error; pos++) { | 
|  | error = ref_d[pos] != d[pos]; | 
|  | errdepth = depth; | 
|  | errpristrength = pristrength; | 
|  | errsecstrength = secstrength; | 
|  | errboundary = boundary; | 
|  | errpridamping = pridamping; | 
|  | errsecdamping = secdamping; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | pos--; | 
|  | EXPECT_EQ(0, error) << "Error: CDEFBlockTest, SIMD and C mismatch." | 
|  | << std::endl | 
|  | << "First error at " << pos % size << "," << pos / size | 
|  | << " (" << (int16_t)ref_d[pos] << " : " << (int16_t)d[pos] | 
|  | << ") " << std::endl | 
|  | << "pristrength: " << errpristrength << std::endl | 
|  | << "pridamping: " << errpridamping << std::endl | 
|  | << "secstrength: " << errsecstrength << std::endl | 
|  | << "secdamping: " << errsecdamping << std::endl | 
|  | << "depth: " << errdepth << std::endl | 
|  | << "size: " << bsize << std::endl | 
|  | << "boundary: " << errboundary << std::endl | 
|  | << std::endl; | 
|  | } | 
|  |  | 
|  | void test_cdef_speed(BLOCK_SIZE bsize, int iterations, | 
|  | cdef_filter_block_func cdef, | 
|  | cdef_filter_block_func ref_cdef, int boundary, int depth) { | 
|  | aom_usec_timer ref_timer; | 
|  | aom_usec_timer timer; | 
|  |  | 
|  | aom_usec_timer_start(&ref_timer); | 
|  | test_cdef(bsize, iterations, ref_cdef, ref_cdef, boundary, depth); | 
|  | aom_usec_timer_mark(&ref_timer); | 
|  | int ref_elapsed_time = (int)aom_usec_timer_elapsed(&ref_timer); | 
|  |  | 
|  | aom_usec_timer_start(&timer); | 
|  | test_cdef(bsize, iterations, cdef, cdef, boundary, depth); | 
|  | aom_usec_timer_mark(&timer); | 
|  | int elapsed_time = (int)aom_usec_timer_elapsed(&timer); | 
|  |  | 
|  | EXPECT_GT(ref_elapsed_time, elapsed_time) | 
|  | << "Error: CDEFSpeedTest, SIMD slower than C." << std::endl | 
|  | << "C time: " << ref_elapsed_time << " us" << std::endl | 
|  | << "SIMD time: " << elapsed_time << " us" << std::endl; | 
|  | } | 
|  |  | 
|  | typedef int (*find_dir_t)(const uint16_t *img, int stride, int32_t *var, | 
|  | int coeff_shift); | 
|  |  | 
|  | typedef std::tuple<find_dir_t, find_dir_t> find_dir_param_t; | 
|  |  | 
|  | class CDEFFindDirTest : public ::testing::TestWithParam<find_dir_param_t> { | 
|  | public: | 
|  | virtual ~CDEFFindDirTest() {} | 
|  | virtual void SetUp() { | 
|  | finddir = GET_PARAM(0); | 
|  | ref_finddir = GET_PARAM(1); | 
|  | } | 
|  |  | 
|  | virtual void TearDown() { libaom_test::ClearSystemState(); } | 
|  |  | 
|  | protected: | 
|  | find_dir_t finddir; | 
|  | find_dir_t ref_finddir; | 
|  | }; | 
|  | GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CDEFFindDirTest); | 
|  |  | 
|  | typedef CDEFFindDirTest CDEFFindDirSpeedTest; | 
|  | GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(CDEFFindDirSpeedTest); | 
|  |  | 
|  | void test_finddir(int (*finddir)(const uint16_t *img, int stride, int32_t *var, | 
|  | int coeff_shift), | 
|  | int (*ref_finddir)(const uint16_t *img, int stride, | 
|  | int32_t *var, int coeff_shift)) { | 
|  | const int size = 8; | 
|  | ACMRandom rnd(ACMRandom::DeterministicSeed()); | 
|  | DECLARE_ALIGNED(16, uint16_t, s[size * size]); | 
|  |  | 
|  | int error = 0; | 
|  | int depth, bits, level, count, errdepth = 0; | 
|  | int ref_res = 0, res = 0; | 
|  | int32_t ref_var = 0, var = 0; | 
|  |  | 
|  | for (depth = 8; depth <= 12 && !error; depth += 2) { | 
|  | for (count = 0; count < 512 && !error; count++) { | 
|  | for (level = 0; level < (1 << depth) && !error; | 
|  | level += 1 << (depth - 8)) { | 
|  | for (bits = 1; bits <= depth && !error; bits++) { | 
|  | for (unsigned int i = 0; i < sizeof(s) / sizeof(*s); i++) | 
|  | s[i] = clamp((rnd.Rand16() & ((1 << bits) - 1)) + level, 0, | 
|  | (1 << depth) - 1); | 
|  | for (int c = 0; c < 1 + 9 * (finddir == ref_finddir); c++) | 
|  | ref_res = ref_finddir(s, size, &ref_var, depth - 8); | 
|  | if (finddir != ref_finddir) | 
|  | ASM_REGISTER_STATE_CHECK(res = finddir(s, size, &var, depth - 8)); | 
|  | if (ref_finddir != finddir) { | 
|  | if (res != ref_res || var != ref_var) error = 1; | 
|  | errdepth = depth; | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | EXPECT_EQ(0, error) << "Error: CDEFFindDirTest, SIMD and C mismatch." | 
|  | << std::endl | 
|  | << "return: " << res << " : " << ref_res << std::endl | 
|  | << "var: " << var << " : " << ref_var << std::endl | 
|  | << "depth: " << errdepth << std::endl | 
|  | << std::endl; | 
|  | } | 
|  |  | 
|  | void test_finddir_speed(int (*finddir)(const uint16_t *img, int stride, | 
|  | int32_t *var, int coeff_shift), | 
|  | int (*ref_finddir)(const uint16_t *img, int stride, | 
|  | int32_t *var, int coeff_shift)) { | 
|  | aom_usec_timer ref_timer; | 
|  | aom_usec_timer timer; | 
|  |  | 
|  | aom_usec_timer_start(&ref_timer); | 
|  | test_finddir(ref_finddir, ref_finddir); | 
|  | aom_usec_timer_mark(&ref_timer); | 
|  | int ref_elapsed_time = (int)aom_usec_timer_elapsed(&ref_timer); | 
|  |  | 
|  | aom_usec_timer_start(&timer); | 
|  | test_finddir(finddir, finddir); | 
|  | aom_usec_timer_mark(&timer); | 
|  | int elapsed_time = (int)aom_usec_timer_elapsed(&timer); | 
|  |  | 
|  | EXPECT_GT(ref_elapsed_time, elapsed_time) | 
|  | << "Error: CDEFFindDirSpeedTest, SIMD slower than C." << std::endl | 
|  | << "C time: " << ref_elapsed_time << " us" << std::endl | 
|  | << "SIMD time: " << elapsed_time << " us" << std::endl; | 
|  | } | 
|  |  | 
|  | TEST_P(CDEFBlockTest, TestSIMDNoMismatch) { | 
|  | test_cdef(bsize, 1, cdef, ref_cdef, boundary, depth); | 
|  | } | 
|  |  | 
|  | TEST_P(CDEFSpeedTest, DISABLED_TestSpeed) { | 
|  | test_cdef_speed(bsize, 4, cdef, ref_cdef, boundary, depth); | 
|  | } | 
|  |  | 
|  | TEST_P(CDEFFindDirTest, TestSIMDNoMismatch) { | 
|  | test_finddir(finddir, ref_finddir); | 
|  | } | 
|  |  | 
|  | TEST_P(CDEFFindDirSpeedTest, DISABLED_TestSpeed) { | 
|  | test_finddir_speed(finddir, ref_finddir); | 
|  | } | 
|  |  | 
|  | using std::make_tuple; | 
|  |  | 
|  | // VS compiling for 32 bit targets does not support vector types in | 
|  | // structs as arguments, which makes the v256 type of the intrinsics | 
|  | // hard to support, so optimizations for this target are disabled. | 
|  | #if defined(_WIN64) || !defined(_MSC_VER) || defined(__clang__) | 
|  | #if HAVE_SSE2 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSE2, CDEFBlockTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_sse2), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSE2, CDEFFindDirTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_sse2, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  | #if HAVE_SSSE3 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSSE3, CDEFBlockTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_ssse3), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSSE3, CDEFFindDirTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_ssse3, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_SSE4_1 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSE4_1, CDEFBlockTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_sse4_1), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSE4_1, CDEFFindDirTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_sse4_1, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_AVX2 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | AVX2, CDEFBlockTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_avx2), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(AVX2, CDEFFindDirTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_avx2, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_NEON | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | NEON, CDEFBlockTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_neon), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(NEON, CDEFFindDirTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_neon, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | // Test speed for all supported architectures | 
|  | #if HAVE_SSE2 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSE2, CDEFSpeedTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_sse2), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSE2, CDEFFindDirSpeedTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_sse2, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_SSSE3 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSSE3, CDEFSpeedTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_ssse3), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSSE3, CDEFFindDirSpeedTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_ssse3, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_SSE4_1 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | SSE4_1, CDEFSpeedTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_sse4_1), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(SSE4_1, CDEFFindDirSpeedTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_sse4_1, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_AVX2 | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | AVX2, CDEFSpeedTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_avx2), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(AVX2, CDEFFindDirSpeedTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_avx2, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #if HAVE_NEON | 
|  | INSTANTIATE_TEST_SUITE_P( | 
|  | NEON, CDEFSpeedTest, | 
|  | ::testing::Combine(::testing::Values(&cdef_filter_block_neon), | 
|  | ::testing::Values(&cdef_filter_block_c), | 
|  | ::testing::Values(BLOCK_4X4, BLOCK_4X8, BLOCK_8X4, | 
|  | BLOCK_8X8), | 
|  | ::testing::Range(0, 16), ::testing::Range(8, 13, 2))); | 
|  | INSTANTIATE_TEST_SUITE_P(NEON, CDEFFindDirSpeedTest, | 
|  | ::testing::Values(make_tuple(&cdef_find_dir_neon, | 
|  | &cdef_find_dir_c))); | 
|  | #endif | 
|  |  | 
|  | #endif  // defined(_WIN64) || !defined(_MSC_VER) | 
|  | }  // namespace |