| /* | 
 |  * Copyright (c) 2017, 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 "third_party/googletest/src/googletest/include/gtest/gtest.h" | 
 |  | 
 | #include "config/aom_config.h" | 
 | #include "config/aom_dsp_rtcd.h" | 
 | #include "config/av1_rtcd.h" | 
 |  | 
 | #include "aom/aom_codec.h" | 
 | #include "aom_ports/aom_timer.h" | 
 | #include "av1/encoder/encoder.h" | 
 | #include "av1/common/scan.h" | 
 | #include "test/acm_random.h" | 
 | #include "test/clear_system_state.h" | 
 | #include "test/register_state_check.h" | 
 | #include "test/util.h" | 
 |  | 
 | namespace { | 
 | using libaom_test::ACMRandom; | 
 |  | 
 | #define QUAN_PARAM_LIST                                                       \ | 
 |   const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,    \ | 
 |       const int16_t *round_ptr, const int16_t *quant_ptr,                     \ | 
 |       const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,                 \ | 
 |       tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr, \ | 
 |       const int16_t *scan, const int16_t *iscan | 
 |  | 
 | typedef void (*QuantizeFunc)(QUAN_PARAM_LIST); | 
 | typedef void (*QuantizeFuncHbd)(QUAN_PARAM_LIST, int log_scale); | 
 |  | 
 | #define HBD_QUAN_FUNC                                                      \ | 
 |   fn(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr, \ | 
 |      qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, log_scale) | 
 |  | 
 | #define LBD_QUAN_FUNC                                                      \ | 
 |   fn(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr, \ | 
 |      qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan) | 
 |  | 
 | template <QuantizeFuncHbd fn> | 
 | void highbd_quan16x16_wrapper(QUAN_PARAM_LIST) { | 
 |   const int log_scale = 0; | 
 |   HBD_QUAN_FUNC; | 
 | } | 
 |  | 
 | template <QuantizeFuncHbd fn> | 
 | void highbd_quan32x32_wrapper(QUAN_PARAM_LIST) { | 
 |   const int log_scale = 1; | 
 |   HBD_QUAN_FUNC; | 
 | } | 
 |  | 
 | template <QuantizeFuncHbd fn> | 
 | void highbd_quan64x64_wrapper(QUAN_PARAM_LIST) { | 
 |   const int log_scale = 2; | 
 |   HBD_QUAN_FUNC; | 
 | } | 
 |  | 
 | enum { TYPE_B, TYPE_DC, TYPE_FP } UENUM1BYTE(QuantType); | 
 |  | 
 | using ::testing::tuple; | 
 | typedef tuple<QuantizeFunc, QuantizeFunc, TX_SIZE, QuantType, aom_bit_depth_t> | 
 |     QuantizeParam; | 
 |  | 
 | typedef struct { | 
 |   QUANTS quant; | 
 |   Dequants dequant; | 
 | } QuanTable; | 
 |  | 
 | const int kTestNum = 1000; | 
 |  | 
 | class QuantizeTest : public ::testing::TestWithParam<QuantizeParam> { | 
 |  protected: | 
 |   QuantizeTest() | 
 |       : quant_ref_(GET_PARAM(0)), quant_(GET_PARAM(1)), tx_size_(GET_PARAM(2)), | 
 |         type_(GET_PARAM(3)), bd_(GET_PARAM(4)) {} | 
 |  | 
 |   virtual ~QuantizeTest() {} | 
 |  | 
 |   virtual void SetUp() { | 
 |     qtab_ = reinterpret_cast<QuanTable *>(aom_memalign(32, sizeof(*qtab_))); | 
 |     const int n_coeffs = coeff_num(); | 
 |     coeff_ = reinterpret_cast<tran_low_t *>( | 
 |         aom_memalign(32, 6 * n_coeffs * sizeof(tran_low_t))); | 
 |     InitQuantizer(); | 
 |   } | 
 |  | 
 |   virtual void TearDown() { | 
 |     aom_free(qtab_); | 
 |     qtab_ = NULL; | 
 |     aom_free(coeff_); | 
 |     coeff_ = NULL; | 
 |     libaom_test::ClearSystemState(); | 
 |   } | 
 |  | 
 |   void InitQuantizer() { | 
 |     av1_build_quantizer(bd_, 0, 0, 0, 0, 0, &qtab_->quant, &qtab_->dequant); | 
 |   } | 
 |  | 
 |   void QuantizeRun(bool is_loop, int q = 0, int test_num = 1) { | 
 |     tran_low_t *coeff_ptr = coeff_; | 
 |     const intptr_t n_coeffs = coeff_num(); | 
 |  | 
 |     tran_low_t *qcoeff_ref = coeff_ptr + n_coeffs; | 
 |     tran_low_t *dqcoeff_ref = qcoeff_ref + n_coeffs; | 
 |  | 
 |     tran_low_t *qcoeff = dqcoeff_ref + n_coeffs; | 
 |     tran_low_t *dqcoeff = qcoeff + n_coeffs; | 
 |     uint16_t *eob = (uint16_t *)(dqcoeff + n_coeffs); | 
 |  | 
 |     // Testing uses 2-D DCT scan order table | 
 |     const SCAN_ORDER *const sc = get_default_scan(tx_size_, DCT_DCT); | 
 |  | 
 |     // Testing uses luminance quantization table | 
 |     const int16_t *zbin = qtab_->quant.y_zbin[q]; | 
 |  | 
 |     const int16_t *round = 0; | 
 |     const int16_t *quant = 0; | 
 |     if (type_ == TYPE_B) { | 
 |       round = qtab_->quant.y_round[q]; | 
 |       quant = qtab_->quant.y_quant[q]; | 
 |     } else if (type_ == TYPE_FP) { | 
 |       round = qtab_->quant.y_round_fp[q]; | 
 |       quant = qtab_->quant.y_quant_fp[q]; | 
 |     } | 
 |  | 
 |     const int16_t *quant_shift = qtab_->quant.y_quant_shift[q]; | 
 |     const int16_t *dequant = qtab_->dequant.y_dequant_QTX[q]; | 
 |  | 
 |     for (int i = 0; i < test_num; ++i) { | 
 |       if (is_loop) FillCoeffRandom(); | 
 |  | 
 |       memset(qcoeff_ref, 0, 5 * n_coeffs * sizeof(*qcoeff_ref)); | 
 |  | 
 |       quant_ref_(coeff_ptr, n_coeffs, zbin, round, quant, quant_shift, | 
 |                  qcoeff_ref, dqcoeff_ref, dequant, &eob[0], sc->scan, | 
 |                  sc->iscan); | 
 |  | 
 |       ASM_REGISTER_STATE_CHECK(quant_(coeff_ptr, n_coeffs, zbin, round, quant, | 
 |                                       quant_shift, qcoeff, dqcoeff, dequant, | 
 |                                       &eob[1], sc->scan, sc->iscan)); | 
 |  | 
 |       for (int j = 0; j < n_coeffs; ++j) { | 
 |         ASSERT_EQ(qcoeff_ref[j], qcoeff[j]) | 
 |             << "Q mismatch on test: " << i << " at position: " << j | 
 |             << " Q: " << q << " coeff: " << coeff_ptr[j]; | 
 |       } | 
 |  | 
 |       for (int j = 0; j < n_coeffs; ++j) { | 
 |         ASSERT_EQ(dqcoeff_ref[j], dqcoeff[j]) | 
 |             << "Dq mismatch on test: " << i << " at position: " << j | 
 |             << " Q: " << q << " coeff: " << coeff_ptr[j]; | 
 |       } | 
 |  | 
 |       ASSERT_EQ(eob[0], eob[1]) | 
 |           << "eobs mismatch on test: " << i << " Q: " << q; | 
 |     } | 
 |   } | 
 |  | 
 |   void CompareResults(const tran_low_t *buf_ref, const tran_low_t *buf, | 
 |                       int size, const char *text, int q, int number) { | 
 |     int i; | 
 |     for (i = 0; i < size; ++i) { | 
 |       ASSERT_EQ(buf_ref[i], buf[i]) << text << " mismatch on test: " << number | 
 |                                     << " at position: " << i << " Q: " << q; | 
 |     } | 
 |   } | 
 |  | 
 |   int coeff_num() const { return av1_get_max_eob(tx_size_); } | 
 |  | 
 |   void FillCoeff(tran_low_t c) { | 
 |     const int n_coeffs = coeff_num(); | 
 |     for (int i = 0; i < n_coeffs; ++i) { | 
 |       coeff_[i] = c; | 
 |     } | 
 |   } | 
 |  | 
 |   void FillCoeffRandom() { | 
 |     const int n_coeffs = coeff_num(); | 
 |     FillCoeffZero(); | 
 |     int num = rnd_.Rand16() % n_coeffs; | 
 |     for (int i = 0; i < num; ++i) { | 
 |       coeff_[i] = GetRandomCoeff(); | 
 |     } | 
 |   } | 
 |  | 
 |   void FillCoeffZero() { FillCoeff(0); } | 
 |  | 
 |   void FillCoeffConstant() { | 
 |     tran_low_t c = GetRandomCoeff(); | 
 |     FillCoeff(c); | 
 |   } | 
 |  | 
 |   void FillDcOnly() { | 
 |     FillCoeffZero(); | 
 |     coeff_[0] = GetRandomCoeff(); | 
 |   } | 
 |  | 
 |   void FillDcLargeNegative() { | 
 |     FillCoeffZero(); | 
 |     // Generate a qcoeff which contains 512/-512 (0x0100/0xFE00) to catch issues | 
 |     // like BUG=883 where the constant being compared was incorrectly | 
 |     // initialized. | 
 |     coeff_[0] = -8191; | 
 |   } | 
 |  | 
 |   tran_low_t GetRandomCoeff() { | 
 |     tran_low_t coeff; | 
 |     if (bd_ == AOM_BITS_8) { | 
 |       coeff = | 
 |           clamp(static_cast<int16_t>(rnd_.Rand16()), INT16_MIN + 1, INT16_MAX); | 
 |     } else { | 
 |       tran_low_t min = -(1 << (7 + bd_)); | 
 |       tran_low_t max = -min - 1; | 
 |       coeff = clamp(static_cast<tran_low_t>(rnd_.Rand31()), min, max); | 
 |     } | 
 |     return coeff; | 
 |   } | 
 |  | 
 |   ACMRandom rnd_; | 
 |   QuanTable *qtab_; | 
 |   tran_low_t *coeff_; | 
 |   QuantizeFunc quant_ref_; | 
 |   QuantizeFunc quant_; | 
 |   TX_SIZE tx_size_; | 
 |   QuantType type_; | 
 |   aom_bit_depth_t bd_; | 
 | }; | 
 |  | 
 | TEST_P(QuantizeTest, ZeroInput) { | 
 |   FillCoeffZero(); | 
 |   QuantizeRun(false); | 
 | } | 
 |  | 
 | TEST_P(QuantizeTest, LargeNegativeInput) { | 
 |   FillDcLargeNegative(); | 
 |   QuantizeRun(false, 0, 1); | 
 | } | 
 |  | 
 | TEST_P(QuantizeTest, DcOnlyInput) { | 
 |   FillDcOnly(); | 
 |   QuantizeRun(false, 0, 1); | 
 | } | 
 |  | 
 | TEST_P(QuantizeTest, RandomInput) { QuantizeRun(true, 0, kTestNum); } | 
 |  | 
 | TEST_P(QuantizeTest, MultipleQ) { | 
 |   for (int q = 0; q < QINDEX_RANGE; ++q) { | 
 |     QuantizeRun(true, q, kTestNum); | 
 |   } | 
 | } | 
 |  | 
 | // Force the coeff to be half the value of the dequant.  This exposes a | 
 | // mismatch found in av1_quantize_fp_sse2(). | 
 | TEST_P(QuantizeTest, CoeffHalfDequant) { | 
 |   FillCoeff(16); | 
 |   QuantizeRun(false, 25, 1); | 
 | } | 
 |  | 
 | TEST_P(QuantizeTest, DISABLED_Speed) { | 
 |   tran_low_t *coeff_ptr = coeff_; | 
 |   const intptr_t n_coeffs = coeff_num(); | 
 |  | 
 |   tran_low_t *qcoeff_ref = coeff_ptr + n_coeffs; | 
 |   tran_low_t *dqcoeff_ref = qcoeff_ref + n_coeffs; | 
 |  | 
 |   tran_low_t *qcoeff = dqcoeff_ref + n_coeffs; | 
 |   tran_low_t *dqcoeff = qcoeff + n_coeffs; | 
 |   uint16_t *eob = (uint16_t *)(dqcoeff + n_coeffs); | 
 |  | 
 |   // Testing uses 2-D DCT scan order table | 
 |   const SCAN_ORDER *const sc = get_default_scan(tx_size_, DCT_DCT); | 
 |  | 
 |   // Testing uses luminance quantization table | 
 |   const int q = 22; | 
 |   const int16_t *zbin = qtab_->quant.y_zbin[q]; | 
 |   const int16_t *round_fp = qtab_->quant.y_round_fp[q]; | 
 |   const int16_t *quant_fp = qtab_->quant.y_quant_fp[q]; | 
 |   const int16_t *quant_shift = qtab_->quant.y_quant_shift[q]; | 
 |   const int16_t *dequant = qtab_->dequant.y_dequant_QTX[q]; | 
 |   const int kNumTests = 5000000; | 
 |   aom_usec_timer timer, simd_timer; | 
 |  | 
 |   FillCoeffRandom(); | 
 |  | 
 |   aom_usec_timer_start(&timer); | 
 |   for (int n = 0; n < kNumTests; ++n) { | 
 |     quant_ref_(coeff_ptr, n_coeffs, zbin, round_fp, quant_fp, quant_shift, | 
 |                qcoeff, dqcoeff, dequant, eob, sc->scan, sc->iscan); | 
 |   } | 
 |   aom_usec_timer_mark(&timer); | 
 |  | 
 |   aom_usec_timer_start(&simd_timer); | 
 |   for (int n = 0; n < kNumTests; ++n) { | 
 |     quant_(coeff_ptr, n_coeffs, zbin, round_fp, quant_fp, quant_shift, qcoeff, | 
 |            dqcoeff, dequant, eob, sc->scan, sc->iscan); | 
 |   } | 
 |   aom_usec_timer_mark(&simd_timer); | 
 |  | 
 |   const int elapsed_time = static_cast<int>(aom_usec_timer_elapsed(&timer)); | 
 |   const int simd_elapsed_time = | 
 |       static_cast<int>(aom_usec_timer_elapsed(&simd_timer)); | 
 |   printf("c_time = %d \t simd_time = %d \t Gain = %d \n", elapsed_time, | 
 |          simd_elapsed_time, (elapsed_time / simd_elapsed_time)); | 
 | } | 
 |  | 
 | using ::testing::make_tuple; | 
 |  | 
 | #if HAVE_AVX2 | 
 | const QuantizeParam kQParamArrayAvx2[] = { | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_16X16, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_4X16, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_16X4, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_32X8, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_avx2, TX_8X32, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_32X32, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_16X64, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_32x32_c, &av1_quantize_fp_32x32_avx2, TX_64X16, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_64x64_c, &av1_quantize_fp_64x64_avx2, TX_64X64, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16, | 
 |              TYPE_FP, AOM_BITS_10), | 
 |   make_tuple(&highbd_quan16x16_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan16x16_wrapper<av1_highbd_quantize_fp_avx2>, TX_16X16, | 
 |              TYPE_FP, AOM_BITS_12), | 
 |   make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32, | 
 |              TYPE_FP, AOM_BITS_10), | 
 |   make_tuple(&highbd_quan32x32_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan32x32_wrapper<av1_highbd_quantize_fp_avx2>, TX_32X32, | 
 |              TYPE_FP, AOM_BITS_12), | 
 |   make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64, | 
 |              TYPE_FP, AOM_BITS_8), | 
 |   make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64, | 
 |              TYPE_FP, AOM_BITS_10), | 
 |   make_tuple(&highbd_quan64x64_wrapper<av1_highbd_quantize_fp_c>, | 
 |              &highbd_quan64x64_wrapper<av1_highbd_quantize_fp_avx2>, TX_64X64, | 
 |              TYPE_FP, AOM_BITS_12), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_8), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_10), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_avx2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_12), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(AVX2, QuantizeTest, | 
 |                         ::testing::ValuesIn(kQParamArrayAvx2)); | 
 | #endif  // HAVE_AVX2 | 
 |  | 
 | #if HAVE_SSE2 | 
 | const QuantizeParam kQParamArraySSE2[] = { | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_16X16, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_4X16, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_16X4, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_8X32, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&av1_quantize_fp_c, &av1_quantize_fp_sse2, TX_32X8, TYPE_FP, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&aom_quantize_b_c, &aom_quantize_b_sse2, TX_16X16, TYPE_B, | 
 |              AOM_BITS_8), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_8), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_10), | 
 |   make_tuple(&aom_highbd_quantize_b_c, &aom_highbd_quantize_b_sse2, TX_16X16, | 
 |              TYPE_B, AOM_BITS_12), | 
 |   make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2, | 
 |              TX_32X32, TYPE_B, AOM_BITS_8), | 
 |   make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2, | 
 |              TX_32X32, TYPE_B, AOM_BITS_10), | 
 |   make_tuple(&aom_highbd_quantize_b_32x32_c, &aom_highbd_quantize_b_32x32_sse2, | 
 |              TX_32X32, TYPE_B, AOM_BITS_12), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(SSE2, QuantizeTest, | 
 |                         ::testing::ValuesIn(kQParamArraySSE2)); | 
 | #endif | 
 |  | 
 | #if HAVE_SSSE3 && ARCH_X86_64 | 
 | INSTANTIATE_TEST_CASE_P( | 
 |     SSSE3, QuantizeTest, | 
 |     ::testing::Values(make_tuple(&aom_quantize_b_c, &aom_quantize_b_ssse3, | 
 |                                  TX_16X16, TYPE_B, AOM_BITS_8), | 
 |                       make_tuple(&aom_quantize_b_32x32_c, | 
 |                                  &aom_quantize_b_32x32_ssse3, TX_32X32, TYPE_B, | 
 |                                  AOM_BITS_8))); | 
 |  | 
 | #endif  // HAVE_SSSE3 && ARCH_X86_64 | 
 |  | 
 | #if HAVE_AVX && ARCH_X86_64 | 
 | INSTANTIATE_TEST_CASE_P( | 
 |     AVX, QuantizeTest, | 
 |     ::testing::Values(make_tuple(&aom_quantize_b_c, &aom_quantize_b_avx, | 
 |                                  TX_16X16, TYPE_B, AOM_BITS_8), | 
 |                       make_tuple(&aom_quantize_b_32x32_c, | 
 |                                  &aom_quantize_b_32x32_avx, TX_32X32, TYPE_B, | 
 |                                  AOM_BITS_8))); | 
 |  | 
 | #endif  // HAVE_AVX && ARCH_X86_64 | 
 | }  // namespace |