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/*
* Copyright (c) 2016, 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 <string>
#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
#include "./aom_config.h"
#include "./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::tr1::tuple<cdef_filter_block_func, cdef_filter_block_func, 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);
}
virtual void TearDown() { libaom_test::ClearSystemState(); }
protected:
int bsize;
cdef_filter_block_func cdef;
cdef_filter_block_func ref_cdef;
};
typedef CDEFBlockTest CDEFSpeedTest;
void test_cdef(int bsize, int iterations, cdef_filter_block_func cdef,
cdef_filter_block_func ref_cdef) {
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 boundary, pridamping, secdamping, depth, bits, level, count,
errdepth = 0, errpristrength = 0, errsecstrength = 0, errboundary = 0,
errpridamping = 0, errsecdamping = 0;
unsigned int pos = 0;
for (boundary = 0; boundary < 16; boundary++) {
for (depth = 8; depth <= 12; depth += 2) {
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, (1 << depth) - 1, 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, (1 << depth) - 1, 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(int bsize, int iterations, cdef_filter_block_func cdef,
cdef_filter_block_func ref_cdef) {
aom_usec_timer ref_timer;
aom_usec_timer timer;
aom_usec_timer_start(&ref_timer);
test_cdef(bsize, iterations, ref_cdef, ref_cdef);
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);
aom_usec_timer_mark(&timer);
int elapsed_time = (int)aom_usec_timer_elapsed(&timer);
#if 0
std::cout << "[ ] C time = " << ref_elapsed_time / 1000
<< " ms, SIMD time = " << elapsed_time / 1000 << " ms" << std::endl;
#endif
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::tr1::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;
};
typedef CDEFFindDirTest 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);
#if 0
std::cout << "[ ] C time = " << ref_elapsed_time / 1000
<< " ms, SIMD time = " << elapsed_time / 1000 << " ms" << std::endl;
#endif
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);
}
TEST_P(CDEFSpeedTest, DISABLED_TestSpeed) {
test_cdef_speed(bsize, 4, cdef, ref_cdef);
}
TEST_P(CDEFFindDirTest, TestSIMDNoMismatch) {
test_finddir(finddir, ref_finddir);
}
TEST_P(CDEFFindDirSpeedTest, DISABLED_TestSpeed) {
test_finddir_speed(finddir, ref_finddir);
}
using std::tr1::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_CASE_P(
SSE2, CDEFBlockTest,
::testing::Values(
make_tuple(&cdef_filter_block_sse2, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_sse2, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSE2, CDEFFindDirTest,
::testing::Values(make_tuple(&cdef_find_dir_sse2,
&cdef_find_dir_c)));
#endif
#if HAVE_SSSE3
INSTANTIATE_TEST_CASE_P(
SSSE3, CDEFBlockTest,
::testing::Values(
make_tuple(&cdef_filter_block_ssse3, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_ssse3, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSSE3, CDEFFindDirTest,
::testing::Values(make_tuple(&cdef_find_dir_ssse3,
&cdef_find_dir_c)));
#endif
#if HAVE_SSE4_1
INSTANTIATE_TEST_CASE_P(
SSE4_1, CDEFBlockTest,
::testing::Values(make_tuple(&cdef_filter_block_sse4_1,
&cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_sse4_1,
&cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSE4_1, CDEFFindDirTest,
::testing::Values(make_tuple(&cdef_find_dir_sse4_1,
&cdef_find_dir_c)));
#endif
#if HAVE_AVX2
INSTANTIATE_TEST_CASE_P(
AVX2, CDEFBlockTest,
::testing::Values(
make_tuple(&cdef_filter_block_avx2, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_avx2, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(AVX2, CDEFFindDirTest,
::testing::Values(make_tuple(&cdef_find_dir_avx2,
&cdef_find_dir_c)));
#endif
#if HAVE_NEON
INSTANTIATE_TEST_CASE_P(
NEON, CDEFBlockTest,
::testing::Values(
make_tuple(&cdef_filter_block_neon, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_neon, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_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_CASE_P(
SSE2, CDEFSpeedTest,
::testing::Values(
make_tuple(&cdef_filter_block_sse2, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_sse2, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSE2, CDEFFindDirSpeedTest,
::testing::Values(make_tuple(&cdef_find_dir_sse2,
&cdef_find_dir_c)));
#endif
#if HAVE_SSSE3
INSTANTIATE_TEST_CASE_P(
SSSE3, CDEFSpeedTest,
::testing::Values(
make_tuple(&cdef_filter_block_ssse3, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_ssse3, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSSE3, CDEFFindDirSpeedTest,
::testing::Values(make_tuple(&cdef_find_dir_ssse3,
&cdef_find_dir_c)));
#endif
#if HAVE_SSE4_1
INSTANTIATE_TEST_CASE_P(
SSE4_1, CDEFSpeedTest,
::testing::Values(make_tuple(&cdef_filter_block_sse4_1,
&cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_sse4_1,
&cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(SSE4_1, CDEFFindDirSpeedTest,
::testing::Values(make_tuple(&cdef_find_dir_sse4_1,
&cdef_find_dir_c)));
#endif
#if HAVE_AVX2
INSTANTIATE_TEST_CASE_P(
AVX2, CDEFSpeedTest,
::testing::Values(
make_tuple(&cdef_filter_block_avx2, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_avx2, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(AVX2, CDEFFindDirSpeedTest,
::testing::Values(make_tuple(&cdef_find_dir_avx2,
&cdef_find_dir_c)));
#endif
#if HAVE_NEON
INSTANTIATE_TEST_CASE_P(
NEON, CDEFSpeedTest,
::testing::Values(
make_tuple(&cdef_filter_block_neon, &cdef_filter_block_c, BLOCK_4X4),
make_tuple(&cdef_filter_block_neon, &cdef_filter_block_c, BLOCK_8X8)));
INSTANTIATE_TEST_CASE_P(NEON, CDEFFindDirSpeedTest,
::testing::Values(make_tuple(&cdef_find_dir_neon,
&cdef_find_dir_c)));
#endif
#endif // defined(_WIN64) || !defined(_MSC_VER)
} // namespace