test/hadamard_test.cc - aom - Git at Google

 /*
  *  Copyright (c) 2019, Alliance for Open Media. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */

 #include <algorithm>
 #include <ostream>

 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"

 #include "config/aom_dsp_rtcd.h"

 #include "test/acm_random.h"
 #include "test/register_state_check.h"
 #include "test/util.h"

 namespace {

 using libaom_test::ACMRandom;

 using HadamardFunc = void (*)(const int16_t *a, ptrdiff_t a_stride,
                               tran_low_t *b);
 // Low precision version of Hadamard Transform
 using HadamardLPFunc = void (*)(const int16_t *a, ptrdiff_t a_stride,
                                 int16_t *b);

 template <typename OutputType>
 void HadamardLoop(const OutputType *a, OutputType *out) {
   OutputType b[8];
   for (int i = 0; i < 8; i += 2) {
     b[i + 0] = a[i * 8] + a[(i + 1) * 8];
     b[i + 1] = a[i * 8] - a[(i + 1) * 8];
   }
   OutputType c[8];
   for (int i = 0; i < 8; i += 4) {
     c[i + 0] = b[i + 0] + b[i + 2];
     c[i + 1] = b[i + 1] + b[i + 3];
     c[i + 2] = b[i + 0] - b[i + 2];
     c[i + 3] = b[i + 1] - b[i + 3];
   }
   out[0] = c[0] + c[4];
   out[7] = c[1] + c[5];
   out[3] = c[2] + c[6];
   out[4] = c[3] + c[7];
   out[2] = c[0] - c[4];
   out[6] = c[1] - c[5];
   out[1] = c[2] - c[6];
   out[5] = c[3] - c[7];
 }

 template <typename OutputType>
 void ReferenceHadamard8x8(const int16_t *a, int a_stride, OutputType *b) {
   OutputType input[64];
   OutputType buf[64];
   for (int i = 0; i < 8; ++i) {
     for (int j = 0; j < 8; ++j) {
       input[i * 8 + j] = static_cast<OutputType>(a[i * a_stride + j]);
     }
   }
   for (int i = 0; i < 8; ++i) HadamardLoop(input + i, buf + i * 8);
   for (int i = 0; i < 8; ++i) HadamardLoop(buf + i, b + i * 8);
 }

 template <typename OutputType>
 void ReferenceHadamard16x16(const int16_t *a, int a_stride, OutputType *b) {
   /* The source is a 16x16 block. The destination is rearranged to 8x32.
    * Input is 9 bit. */
   ReferenceHadamard8x8(a + 0 + 0 * a_stride, a_stride, b + 0);
   ReferenceHadamard8x8(a + 8 + 0 * a_stride, a_stride, b + 64);
   ReferenceHadamard8x8(a + 0 + 8 * a_stride, a_stride, b + 128);
   ReferenceHadamard8x8(a + 8 + 8 * a_stride, a_stride, b + 192);

   /* Overlay the 8x8 blocks and combine. */
   for (int i = 0; i < 64; ++i) {
     /* 8x8 steps the range up to 15 bits. */
     const OutputType a0 = b[0];
     const OutputType a1 = b[64];
     const OutputType a2 = b[128];
     const OutputType a3 = b[192];

     /* Prevent the result from escaping int16_t. */
     const OutputType b0 = (a0 + a1) >> 1;
     const OutputType b1 = (a0 - a1) >> 1;
     const OutputType b2 = (a2 + a3) >> 1;
     const OutputType b3 = (a2 - a3) >> 1;

     /* Store a 16 bit value. */
     b[0] = b0 + b2;
     b[64] = b1 + b3;
     b[128] = b0 - b2;
     b[192] = b1 - b3;

     ++b;
   }
 }

 template <typename OutputType>
 void ReferenceHadamard32x32(const int16_t *a, int a_stride, OutputType *b) {
   ReferenceHadamard16x16(a + 0 + 0 * a_stride, a_stride, b + 0);
   ReferenceHadamard16x16(a + 16 + 0 * a_stride, a_stride, b + 256);
   ReferenceHadamard16x16(a + 0 + 16 * a_stride, a_stride, b + 512);
   ReferenceHadamard16x16(a + 16 + 16 * a_stride, a_stride, b + 768);

   for (int i = 0; i < 256; ++i) {
     const OutputType a0 = b[0];
     const OutputType a1 = b[256];
     const OutputType a2 = b[512];
     const OutputType a3 = b[768];

     const OutputType b0 = (a0 + a1) >> 2;
     const OutputType b1 = (a0 - a1) >> 2;
     const OutputType b2 = (a2 + a3) >> 2;
     const OutputType b3 = (a2 - a3) >> 2;

     b[0] = b0 + b2;
     b[256] = b1 + b3;
     b[512] = b0 - b2;
     b[768] = b1 - b3;

     ++b;
   }
 }

 template <typename OutputType>
 void ReferenceHadamard(const int16_t *a, int a_stride, OutputType *b, int bwh) {
   if (bwh == 32)
     ReferenceHadamard32x32(a, a_stride, b);
   else if (bwh == 16)
     ReferenceHadamard16x16(a, a_stride, b);
   else if (bwh == 8) {
     ReferenceHadamard8x8(a, a_stride, b);
   } else {
     GTEST_FAIL() << "Invalid Hadamard transform size " << bwh << std::endl;
   }
 }

 template <typename HadamardFuncType>
 struct FuncWithSize {
   FuncWithSize(HadamardFuncType f, int s) : func(f), block_size(s) {}
   HadamardFuncType func;
   int block_size;
 };

 using HadamardFuncWithSize = FuncWithSize<HadamardFunc>;
 using HadamardLPFuncWithSize = FuncWithSize<HadamardLPFunc>;

 template <typename HadamardFuncType>
 std::ostream &operator<<(std::ostream &os,
                          const FuncWithSize<HadamardFuncType> &hfs) {
   return os << "block size: " << hfs.block_size;
 }

 template <typename OutputType, typename HadamardFuncType>
 class HadamardTestBase
     : public ::testing::TestWithParam<FuncWithSize<HadamardFuncType>> {
  public:
   explicit HadamardTestBase(const FuncWithSize<HadamardFuncType> &func_param) {
     h_func_ = func_param.func;
     bwh_ = func_param.block_size;
     block_size_ = bwh_ * bwh_;
   }

   virtual void SetUp() { rnd_.Reset(ACMRandom::DeterministicSeed()); }

   virtual int16_t Rand() = 0;

   void CompareReferenceRandom() {
     const int kMaxBlockSize = 32 * 32;
     DECLARE_ALIGNED(16, int16_t, a[kMaxBlockSize]);
     DECLARE_ALIGNED(16, OutputType, b[kMaxBlockSize]);
     memset(a, 0, sizeof(a));
     memset(b, 0, sizeof(b));

     OutputType b_ref[kMaxBlockSize];
     memset(b_ref, 0, sizeof(b_ref));

     for (int i = 0; i < block_size_; ++i) a[i] = Rand();

     ReferenceHadamard(a, bwh_, b_ref, bwh_);
     API_REGISTER_STATE_CHECK(h_func_(a, bwh_, b));

     // The order of the output is not important. Sort before checking.
     std::sort(b, b + block_size_);
     std::sort(b_ref, b_ref + block_size_);
     EXPECT_EQ(memcmp(b, b_ref, sizeof(b)), 0);
   }

   void VaryStride() {
     const int kMaxBlockSize = 32 * 32;
     DECLARE_ALIGNED(16, int16_t, a[kMaxBlockSize * 8]);
     DECLARE_ALIGNED(16, OutputType, b[kMaxBlockSize]);
     memset(a, 0, sizeof(a));
     for (int i = 0; i < block_size_ * 8; ++i) a[i] = Rand();

     OutputType b_ref[kMaxBlockSize];
     for (int i = 8; i < 64; i += 8) {
       memset(b, 0, sizeof(b));
       memset(b_ref, 0, sizeof(b_ref));

       ReferenceHadamard(a, i, b_ref, bwh_);
       API_REGISTER_STATE_CHECK(h_func_(a, i, b));

       // The order of the output is not important. Sort before checking.
       std::sort(b, b + block_size_);
       std::sort(b_ref, b_ref + block_size_);
       EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
     }
   }

   void SpeedTest(int times) {
     const int kMaxBlockSize = 32 * 32;
     DECLARE_ALIGNED(16, int16_t, input[kMaxBlockSize]);
     DECLARE_ALIGNED(16, OutputType, output[kMaxBlockSize]);
     memset(input, 1, sizeof(input));
     memset(output, 0, sizeof(output));

     aom_usec_timer timer;
     aom_usec_timer_start(&timer);
     for (int i = 0; i < times; ++i) {
       h_func_(input, bwh_, output);
     }
     aom_usec_timer_mark(&timer);

     const int elapsed_time = static_cast<int>(aom_usec_timer_elapsed(&timer));
     printf("Hadamard%dx%d[%12d runs]: %d us\n", bwh_, bwh_, times,
            elapsed_time);
   }

   ACMRandom rnd_;

  private:
   int bwh_;
   int block_size_;
   HadamardFuncType h_func_;
 };

 class HadamardLowbdTest : public HadamardTestBase<tran_low_t, HadamardFunc> {
  public:
   HadamardLowbdTest() : HadamardTestBase(GetParam()) {}
   virtual int16_t Rand() { return rnd_.Rand9Signed(); }
 };

 TEST_P(HadamardLowbdTest, CompareReferenceRandom) { CompareReferenceRandom(); }

 TEST_P(HadamardLowbdTest, VaryStride) { VaryStride(); }

 TEST_P(HadamardLowbdTest, DISABLED_SpeedTest) { SpeedTest(1000000); }

 INSTANTIATE_TEST_SUITE_P(
     C, HadamardLowbdTest,
     ::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_c, 8),
                       HadamardFuncWithSize(&aom_hadamard_16x16_c, 16),
                       HadamardFuncWithSize(&aom_hadamard_32x32_c, 32)));

 #if HAVE_SSE2
 INSTANTIATE_TEST_SUITE_P(
     SSE2, HadamardLowbdTest,
     ::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_sse2, 8),
                       HadamardFuncWithSize(&aom_hadamard_16x16_sse2, 16),
                       HadamardFuncWithSize(&aom_hadamard_32x32_sse2, 32)));
 #endif  // HAVE_SSE2

 #if HAVE_AVX2
 INSTANTIATE_TEST_SUITE_P(
     AVX2, HadamardLowbdTest,
     ::testing::Values(HadamardFuncWithSize(&aom_hadamard_16x16_avx2, 16),
                       HadamardFuncWithSize(&aom_hadamard_32x32_avx2, 32)));
 #endif  // HAVE_AVX2

 #if HAVE_NEON
 INSTANTIATE_TEST_SUITE_P(
     NEON, HadamardLowbdTest,
     ::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_neon, 8),
                       HadamardFuncWithSize(&aom_hadamard_16x16_neon, 16)));
 #endif  // HAVE_NEON

 // Tests for low precision
 class HadamardLowbdLPTest : public HadamardTestBase<int16_t, HadamardLPFunc> {
  public:
   HadamardLowbdLPTest() : HadamardTestBase(GetParam()) {}
   virtual int16_t Rand() { return rnd_.Rand9Signed(); }
 };

 TEST_P(HadamardLowbdLPTest, CompareReferenceRandom) {
   CompareReferenceRandom();
 }

 TEST_P(HadamardLowbdLPTest, VaryStride) { VaryStride(); }

 TEST_P(HadamardLowbdLPTest, DISABLED_SpeedTest) { SpeedTest(1000000); }

 INSTANTIATE_TEST_SUITE_P(
     C, HadamardLowbdLPTest,
     ::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_c, 8),
                       HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_c, 16)));

 #if HAVE_SSE2
 INSTANTIATE_TEST_SUITE_P(
     SSE2, HadamardLowbdLPTest,
     ::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_sse2, 8),
                       HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_sse2, 16)));
 #endif  // HAVE_SSE2

 #if HAVE_AVX2
 INSTANTIATE_TEST_SUITE_P(
     AVX2, HadamardLowbdLPTest,
     ::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_avx2, 16)));
 #endif  // HAVE_AVX2

 #if HAVE_NEON
 INSTANTIATE_TEST_SUITE_P(
     NEON, HadamardLowbdLPTest,
     ::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_neon, 8),
                       HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_neon, 16)));
 #endif  // HAVE_NEON

 }  // namespace
	/*
	* Copyright (c) 2019, Alliance for Open Media. All Rights Reserved.
	*
	* Use of this source code is governed by a BSD-style license
	* that can be found in the LICENSE file in the root of the source
	* tree. An additional intellectual property rights grant can be found
	* in the file PATENTS. All contributing project authors may
	* be found in the AUTHORS file in the root of the source tree.
	*/

	#include <algorithm>
	#include <ostream>

	#include "third_party/googletest/src/googletest/include/gtest/gtest.h"

	#include "config/aom_dsp_rtcd.h"

	#include "test/acm_random.h"
	#include "test/register_state_check.h"
	#include "test/util.h"

	namespace {

	using libaom_test::ACMRandom;

	using HadamardFunc = void ()(const int16_t a, ptrdiff_t a_stride,
	tran_low_t *b);
	// Low precision version of Hadamard Transform
	using HadamardLPFunc = void ()(const int16_t a, ptrdiff_t a_stride,
	int16_t *b);

	template <typename OutputType>
	void HadamardLoop(const OutputType a, OutputType out) {
	OutputType b[8];
	for (int i = 0; i < 8; i += 2) {
	b[i + 0] = a[i * 8] + a[(i + 1) * 8];
	b[i + 1] = a[i * 8] - a[(i + 1) * 8];
	}
	OutputType c[8];
	for (int i = 0; i < 8; i += 4) {
	c[i + 0] = b[i + 0] + b[i + 2];
	c[i + 1] = b[i + 1] + b[i + 3];
	c[i + 2] = b[i + 0] - b[i + 2];
	c[i + 3] = b[i + 1] - b[i + 3];
	}
	out[0] = c[0] + c[4];
	out[7] = c[1] + c[5];
	out[3] = c[2] + c[6];
	out[4] = c[3] + c[7];
	out[2] = c[0] - c[4];
	out[6] = c[1] - c[5];
	out[1] = c[2] - c[6];
	out[5] = c[3] - c[7];
	}

	template <typename OutputType>
	void ReferenceHadamard8x8(const int16_t a, int a_stride, OutputType b) {
	OutputType input[64];
	OutputType buf[64];
	for (int i = 0; i < 8; ++i) {
	for (int j = 0; j < 8; ++j) {
	input[i * 8 + j] = static_cast<OutputType>(a[i * a_stride + j]);
	}
	}
	for (int i = 0; i < 8; ++i) HadamardLoop(input + i, buf + i * 8);
	for (int i = 0; i < 8; ++i) HadamardLoop(buf + i, b + i * 8);
	}

	template <typename OutputType>
	void ReferenceHadamard16x16(const int16_t a, int a_stride, OutputType b) {
	/* The source is a 16x16 block. The destination is rearranged to 8x32.
	* Input is 9 bit. */
	ReferenceHadamard8x8(a + 0 + 0 * a_stride, a_stride, b + 0);
	ReferenceHadamard8x8(a + 8 + 0 * a_stride, a_stride, b + 64);
	ReferenceHadamard8x8(a + 0 + 8 * a_stride, a_stride, b + 128);
	ReferenceHadamard8x8(a + 8 + 8 * a_stride, a_stride, b + 192);

	/* Overlay the 8x8 blocks and combine. */
	for (int i = 0; i < 64; ++i) {
	/* 8x8 steps the range up to 15 bits. */
	const OutputType a0 = b[0];
	const OutputType a1 = b[64];
	const OutputType a2 = b[128];
	const OutputType a3 = b[192];

	/* Prevent the result from escaping int16_t. */
	const OutputType b0 = (a0 + a1) >> 1;
	const OutputType b1 = (a0 - a1) >> 1;
	const OutputType b2 = (a2 + a3) >> 1;
	const OutputType b3 = (a2 - a3) >> 1;

	/* Store a 16 bit value. */
	b[0] = b0 + b2;
	b[64] = b1 + b3;
	b[128] = b0 - b2;
	b[192] = b1 - b3;

	++b;
	}
	}

	template <typename OutputType>
	void ReferenceHadamard32x32(const int16_t a, int a_stride, OutputType b) {
	ReferenceHadamard16x16(a + 0 + 0 * a_stride, a_stride, b + 0);
	ReferenceHadamard16x16(a + 16 + 0 * a_stride, a_stride, b + 256);
	ReferenceHadamard16x16(a + 0 + 16 * a_stride, a_stride, b + 512);
	ReferenceHadamard16x16(a + 16 + 16 * a_stride, a_stride, b + 768);

	for (int i = 0; i < 256; ++i) {
	const OutputType a0 = b[0];
	const OutputType a1 = b[256];
	const OutputType a2 = b[512];
	const OutputType a3 = b[768];

	const OutputType b0 = (a0 + a1) >> 2;
	const OutputType b1 = (a0 - a1) >> 2;
	const OutputType b2 = (a2 + a3) >> 2;
	const OutputType b3 = (a2 - a3) >> 2;

	b[0] = b0 + b2;
	b[256] = b1 + b3;
	b[512] = b0 - b2;
	b[768] = b1 - b3;

	++b;
	}
	}

	template <typename OutputType>
	void ReferenceHadamard(const int16_t a, int a_stride, OutputType b, int bwh) {
	if (bwh == 32)
	ReferenceHadamard32x32(a, a_stride, b);
	else if (bwh == 16)
	ReferenceHadamard16x16(a, a_stride, b);
	else if (bwh == 8) {
	ReferenceHadamard8x8(a, a_stride, b);
	} else {
	GTEST_FAIL() << "Invalid Hadamard transform size " << bwh << std::endl;
	}
	}

	template <typename HadamardFuncType>
	struct FuncWithSize {
	FuncWithSize(HadamardFuncType f, int s) : func(f), block_size(s) {}
	HadamardFuncType func;
	int block_size;
	};

	using HadamardFuncWithSize = FuncWithSize<HadamardFunc>;
	using HadamardLPFuncWithSize = FuncWithSize<HadamardLPFunc>;

	template <typename HadamardFuncType>
	std::ostream &operator<<(std::ostream &os,
	const FuncWithSize<HadamardFuncType> &hfs) {
	return os << "block size: " << hfs.block_size;
	}

	template <typename OutputType, typename HadamardFuncType>
	class HadamardTestBase
	: public ::testing::TestWithParam<FuncWithSize<HadamardFuncType>> {
	public:
	explicit HadamardTestBase(const FuncWithSize<HadamardFuncType> &func_param) {
	h_func_ = func_param.func;
	bwh_ = func_param.block_size;
	block_size_ = bwh_ * bwh_;
	}

	virtual void SetUp() { rnd_.Reset(ACMRandom::DeterministicSeed()); }

	virtual int16_t Rand() = 0;

	void CompareReferenceRandom() {
	const int kMaxBlockSize = 32 * 32;
	DECLARE_ALIGNED(16, int16_t, a[kMaxBlockSize]);
	DECLARE_ALIGNED(16, OutputType, b[kMaxBlockSize]);
	memset(a, 0, sizeof(a));
	memset(b, 0, sizeof(b));

	OutputType b_ref[kMaxBlockSize];
	memset(b_ref, 0, sizeof(b_ref));

	for (int i = 0; i < block_size_; ++i) a[i] = Rand();

	ReferenceHadamard(a, bwh_, b_ref, bwh_);
	API_REGISTER_STATE_CHECK(h_func_(a, bwh_, b));

	// The order of the output is not important. Sort before checking.
	std::sort(b, b + block_size_);
	std::sort(b_ref, b_ref + block_size_);
	EXPECT_EQ(memcmp(b, b_ref, sizeof(b)), 0);
	}

	void VaryStride() {
	const int kMaxBlockSize = 32 * 32;
	DECLARE_ALIGNED(16, int16_t, a[kMaxBlockSize * 8]);
	DECLARE_ALIGNED(16, OutputType, b[kMaxBlockSize]);
	memset(a, 0, sizeof(a));
	for (int i = 0; i < block_size_ * 8; ++i) a[i] = Rand();

	OutputType b_ref[kMaxBlockSize];
	for (int i = 8; i < 64; i += 8) {
	memset(b, 0, sizeof(b));
	memset(b_ref, 0, sizeof(b_ref));

	ReferenceHadamard(a, i, b_ref, bwh_);
	API_REGISTER_STATE_CHECK(h_func_(a, i, b));

	// The order of the output is not important. Sort before checking.
	std::sort(b, b + block_size_);
	std::sort(b_ref, b_ref + block_size_);
	EXPECT_EQ(0, memcmp(b, b_ref, sizeof(b)));
	}
	}

	void SpeedTest(int times) {
	const int kMaxBlockSize = 32 * 32;
	DECLARE_ALIGNED(16, int16_t, input[kMaxBlockSize]);
	DECLARE_ALIGNED(16, OutputType, output[kMaxBlockSize]);
	memset(input, 1, sizeof(input));
	memset(output, 0, sizeof(output));

	aom_usec_timer timer;
	aom_usec_timer_start(&timer);
	for (int i = 0; i < times; ++i) {
	h_func_(input, bwh_, output);
	}
	aom_usec_timer_mark(&timer);

	const int elapsed_time = static_cast<int>(aom_usec_timer_elapsed(&timer));
	printf("Hadamard%dx%d[%12d runs]: %d us\n", bwh_, bwh_, times,
	elapsed_time);
	}

	ACMRandom rnd_;

	private:
	int bwh_;
	int block_size_;
	HadamardFuncType h_func_;
	};

	class HadamardLowbdTest : public HadamardTestBase<tran_low_t, HadamardFunc> {
	public:
	HadamardLowbdTest() : HadamardTestBase(GetParam()) {}
	virtual int16_t Rand() { return rnd_.Rand9Signed(); }
	};

	TEST_P(HadamardLowbdTest, CompareReferenceRandom) { CompareReferenceRandom(); }

	TEST_P(HadamardLowbdTest, VaryStride) { VaryStride(); }

	TEST_P(HadamardLowbdTest, DISABLED_SpeedTest) { SpeedTest(1000000); }

	INSTANTIATE_TEST_SUITE_P(
	C, HadamardLowbdTest,
	::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_c, 8),
	HadamardFuncWithSize(&aom_hadamard_16x16_c, 16),
	HadamardFuncWithSize(&aom_hadamard_32x32_c, 32)));

	#if HAVE_SSE2
	INSTANTIATE_TEST_SUITE_P(
	SSE2, HadamardLowbdTest,
	::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_sse2, 8),
	HadamardFuncWithSize(&aom_hadamard_16x16_sse2, 16),
	HadamardFuncWithSize(&aom_hadamard_32x32_sse2, 32)));
	#endif // HAVE_SSE2

	#if HAVE_AVX2
	INSTANTIATE_TEST_SUITE_P(
	AVX2, HadamardLowbdTest,
	::testing::Values(HadamardFuncWithSize(&aom_hadamard_16x16_avx2, 16),
	HadamardFuncWithSize(&aom_hadamard_32x32_avx2, 32)));
	#endif // HAVE_AVX2

	#if HAVE_NEON
	INSTANTIATE_TEST_SUITE_P(
	NEON, HadamardLowbdTest,
	::testing::Values(HadamardFuncWithSize(&aom_hadamard_8x8_neon, 8),
	HadamardFuncWithSize(&aom_hadamard_16x16_neon, 16)));
	#endif // HAVE_NEON

	// Tests for low precision
	class HadamardLowbdLPTest : public HadamardTestBase<int16_t, HadamardLPFunc> {
	public:
	HadamardLowbdLPTest() : HadamardTestBase(GetParam()) {}
	virtual int16_t Rand() { return rnd_.Rand9Signed(); }
	};

	TEST_P(HadamardLowbdLPTest, CompareReferenceRandom) {
	CompareReferenceRandom();
	}

	TEST_P(HadamardLowbdLPTest, VaryStride) { VaryStride(); }

	TEST_P(HadamardLowbdLPTest, DISABLED_SpeedTest) { SpeedTest(1000000); }

	INSTANTIATE_TEST_SUITE_P(
	C, HadamardLowbdLPTest,
	::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_c, 8),
	HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_c, 16)));

	#if HAVE_SSE2
	INSTANTIATE_TEST_SUITE_P(
	SSE2, HadamardLowbdLPTest,
	::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_sse2, 8),
	HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_sse2, 16)));
	#endif // HAVE_SSE2

	#if HAVE_AVX2
	INSTANTIATE_TEST_SUITE_P(
	AVX2, HadamardLowbdLPTest,
	::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_avx2, 16)));
	#endif // HAVE_AVX2

	#if HAVE_NEON
	INSTANTIATE_TEST_SUITE_P(
	NEON, HadamardLowbdLPTest,
	::testing::Values(HadamardLPFuncWithSize(&aom_hadamard_lp_8x8_neon, 8),
	HadamardLPFuncWithSize(&aom_hadamard_lp_16x16_neon, 16)));
	#endif // HAVE_NEON

	} // namespace