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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/test/hash_test.cc | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/third_party/aom/test/hash_test.cc b/third_party/aom/test/hash_test.cc new file mode 100644 index 0000000000..a1de9323db --- /dev/null +++ b/third_party/aom/test/hash_test.cc @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2018, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. + */ + +#include <cstdlib> +#include <new> +#include <tuple> + +#include "config/aom_config.h" +#include "config/av1_rtcd.h" + +#include "aom_ports/aom_timer.h" +#include "av1/encoder/hash.h" +#include "test/acm_random.h" +#include "test/util.h" +#include "third_party/googletest/src/googletest/include/gtest/gtest.h" + +namespace { + +typedef uint32_t (*get_crc32c_value_func)(void *calculator, uint8_t *p, + size_t length); + +typedef std::tuple<get_crc32c_value_func, int> HashParam; + +class AV1Crc32cHashTest : public ::testing::TestWithParam<HashParam> { + public: + ~AV1Crc32cHashTest() override; + void SetUp() override; + + void TearDown() override; + + protected: + void RunCheckOutput(get_crc32c_value_func test_impl); + void RunSpeedTest(get_crc32c_value_func test_impl); + + void RunZeroTest(get_crc32c_value_func test_impl); + + libaom_test::ACMRandom rnd_; + CRC32C calc_; + uint8_t *buffer_; + int bsize_; + size_t length_; +}; + +AV1Crc32cHashTest::~AV1Crc32cHashTest() = default; + +void AV1Crc32cHashTest::SetUp() { + rnd_.Reset(libaom_test::ACMRandom::DeterministicSeed()); + av1_crc32c_calculator_init(&calc_); + + bsize_ = GET_PARAM(1); + length_ = bsize_ * bsize_ * sizeof(uint16_t); + buffer_ = new uint8_t[length_]; + ASSERT_NE(buffer_, nullptr); + for (size_t i = 0; i < length_; ++i) { + buffer_[i] = rnd_.Rand8(); + } +} + +void AV1Crc32cHashTest::TearDown() { delete[] buffer_; } + +void AV1Crc32cHashTest::RunCheckOutput(get_crc32c_value_func test_impl) { + get_crc32c_value_func ref_impl = av1_get_crc32c_value_c; + // for the same buffer crc should be the same + uint32_t crc0 = test_impl(&calc_, buffer_, length_); + uint32_t crc1 = test_impl(&calc_, buffer_, length_); + uint32_t crc2 = ref_impl(&calc_, buffer_, length_); + ASSERT_EQ(crc0, crc1); + ASSERT_EQ(crc0, crc2); // should equal to software version + // modify buffer + buffer_[0] += 1; + uint32_t crc3 = test_impl(&calc_, buffer_, length_); + uint32_t crc4 = ref_impl(&calc_, buffer_, length_); + ASSERT_NE(crc0, crc3); // crc shoud not equal to previous one + ASSERT_EQ(crc3, crc4); +} + +void AV1Crc32cHashTest::RunSpeedTest(get_crc32c_value_func test_impl) { + get_crc32c_value_func impls[] = { av1_get_crc32c_value_c, test_impl }; + const int repeat = 10000000 / (bsize_ + bsize_); + + aom_usec_timer timer; + double time[2]; + for (int i = 0; i < 2; ++i) { + aom_usec_timer_start(&timer); + for (int j = 0; j < repeat; ++j) { + impls[i](&calc_, buffer_, length_); + } + aom_usec_timer_mark(&timer); + time[i] = static_cast<double>(aom_usec_timer_elapsed(&timer)); + } + printf("hash %3dx%-3d:%7.2f/%7.2fus", bsize_, bsize_, time[0], time[1]); + printf("(%3.2f)\n", time[0] / time[1]); +} + +void AV1Crc32cHashTest::RunZeroTest(get_crc32c_value_func test_impl) { + uint8_t buffer0[1024] = { 0 }; + // for buffer with different size the crc should not be the same + const uint32_t crc0 = test_impl(&calc_, buffer0, 32); + const uint32_t crc1 = test_impl(&calc_, buffer0, 128); + const uint32_t crc2 = test_impl(&calc_, buffer0, 1024); + ASSERT_NE(crc0, crc1); + ASSERT_NE(crc0, crc2); + ASSERT_NE(crc1, crc2); +} + +TEST_P(AV1Crc32cHashTest, CheckOutput) { RunCheckOutput(GET_PARAM(0)); } + +TEST_P(AV1Crc32cHashTest, CheckZero) { RunZeroTest(GET_PARAM(0)); } + +TEST_P(AV1Crc32cHashTest, DISABLED_Speed) { RunSpeedTest(GET_PARAM(0)); } + +const int kValidBlockSize[] = { 64, 32, 8, 4 }; + +INSTANTIATE_TEST_SUITE_P( + C, AV1Crc32cHashTest, + ::testing::Combine(::testing::Values(&av1_get_crc32c_value_c), + ::testing::ValuesIn(kValidBlockSize))); + +#if HAVE_SSE4_2 +INSTANTIATE_TEST_SUITE_P( + SSE4_2, AV1Crc32cHashTest, + ::testing::Combine(::testing::Values(&av1_get_crc32c_value_sse4_2), + ::testing::ValuesIn(kValidBlockSize))); +#endif + +#if HAVE_ARM_CRC32 +INSTANTIATE_TEST_SUITE_P( + ARM_CRC32, AV1Crc32cHashTest, + ::testing::Combine(::testing::Values(&av1_get_crc32c_value_arm_crc32), + ::testing::ValuesIn(kValidBlockSize))); +#endif + +} // namespace |