/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ #include "nr_modulation.h" #include "PHY/NR_REFSIG/nr_mod_table.h" #include "executables/softmodem-common.h" #include // Lacking declaration in present simde external package, will be detected as compilation error when they will add it #define simde_mm512_extracti64x2_epi64(a...) _mm512_extracti64x2_epi64(a) // #define DEBUG_DLSCH_PRECODING_PRINT_WITH_TRIVIAL // TODO: For debug, to be removed if want to merge to develop // #define DEBUG_LAYER_MAPPING #define USE_NEON // #define USE_GATHER // Table 6.3.1.5-1 Precoding Matrix W 1 layer 2 antenna ports 'n' = -1 and 'o' = -j const char nr_W_1l_2p[6][2][1] = { {{'1'}, {'0'}}, // pmi 0 {{'0'}, {'1'}}, {{'1'}, {'1'}}, {{'1'}, {'n'}}, {{'1'}, {'j'}}, {{'1'}, {'o'}} // pmi 5 }; // Table 6.3.1.5-3 Precoding Matrix W 1 layer 4 antenna ports 'n' = -1 and 'o' = -j const char nr_W_1l_4p[28][4][1] = { {{'1'}, {'0'}, {'0'}, {'0'}}, // pmi 0 {{'0'}, {'1'}, {'0'}, {'0'}}, {{'0'}, {'0'}, {'1'}, {'0'}}, {{'0'}, {'0'}, {'0'}, {'1'}}, {{'1'}, {'0'}, {'1'}, {'0'}}, {{'1'}, {'0'}, {'n'}, {'0'}}, {{'1'}, {'0'}, {'j'}, {'0'}}, {{'1'}, {'0'}, {'o'}, {'0'}}, // pmi 7 {{'0'}, {'1'}, {'0'}, {'1'}}, // pmi 8 {{'0'}, {'1'}, {'0'}, {'n'}}, {{'0'}, {'1'}, {'0'}, {'j'}}, {{'0'}, {'1'}, {'0'}, {'o'}}, {{'1'}, {'1'}, {'1'}, {'1'}}, {{'1'}, {'1'}, {'j'}, {'j'}}, {{'1'}, {'1'}, {'n'}, {'n'}}, {{'1'}, {'1'}, {'o'}, {'o'}}, {{'1'}, {'j'}, {'1'}, {'j'}}, // pmi // 16 {{'1'}, {'j'}, {'j'}, {'n'}}, {{'1'}, {'j'}, {'n'}, {'o'}}, {{'1'}, {'j'}, {'o'}, {'1'}}, {{'1'}, {'n'}, {'1'}, {'n'}}, {{'1'}, {'n'}, {'j'}, {'o'}}, {{'1'}, {'n'}, {'n'}, {'1'}}, {{'1'}, {'n'}, {'o'}, {'j'}}, // pmi 23 {{'1'}, {'o'}, {'1'}, {'o'}}, // pmi 24 {{'1'}, {'o'}, {'j'}, {'1'}}, {{'1'}, {'o'}, {'n'}, {'j'}}, {{'1'}, {'o'}, {'o'}, {'n'}} // pmi 27 }; // Table 6.3.1.5-4 Precoding Matrix W 2 antenna ports layers 2 'n' = -1 and 'o' = -j const char nr_W_2l_2p[3][2][2] = { {{'1', '0'}, {'0', '1'}}, // pmi 0 {{'1', '1'}, {'1', 'n'}}, {{'1', '1'}, {'j', 'o'}} // pmi 2 }; // Table 6.3.1.5-5 Precoding Matrix W 2 layers 4 antenna ports 'n' = -1 and 'o' = -j const char nr_W_2l_4p[22][4][2] = { {{'1', '0'}, {'0', '1'}, {'0', '0'}, {'0', '0'}}, // pmi 0 {{'1', '0'}, {'0', '0'}, {'0', '1'}, {'0', '0'}}, {{'1', '0'}, {'0', '0'}, {'0', '0'}, {'0', '1'}}, {{'0', '0'}, {'1', '0'}, {'0', '1'}, {'0', '0'}}, // pmi 3 {{'0', '0'}, {'1', '0'}, {'0', '0'}, {'0', '1'}}, // pmi 4 {{'0', '0'}, {'0', '0'}, {'1', '0'}, {'0', '1'}}, {{'1', '0'}, {'0', '1'}, {'1', '0'}, {'0', 'o'}}, {{'1', '0'}, {'0', '1'}, {'1', '0'}, {'0', 'j'}}, {{'1', '0'}, {'0', '1'}, {'o', '0'}, {'0', '1'}}, // pmi 8 {{'1', '0'}, {'0', '1'}, {'o', '0'}, {'0', 'n'}}, {{'1', '0'}, {'0', '1'}, {'n', '0'}, {'0', 'o'}}, {{'1', '0'}, {'0', '1'}, {'n', '0'}, {'0', 'j'}}, // pmi 11 {{'1', '0'}, {'0', '1'}, {'j', '0'}, {'0', '1'}}, // pmi 12 {{'1', '0'}, {'0', '1'}, {'j', '0'}, {'0', 'n'}}, {{'1', '1'}, {'1', '1'}, {'1', 'n'}, {'1', 'n'}}, {{'1', '1'}, {'1', '1'}, {'j', 'o'}, {'j', 'o'}}, // pmi 15 {{'1', '1'}, {'j', 'j'}, {'1', 'n'}, {'j', 'o'}}, // pmi 16 {{'1', '1'}, {'j', 'j'}, {'j', 'o'}, {'n', '1'}}, {{'1', '1'}, {'n', 'n'}, {'1', 'n'}, {'n', '1'}}, {{'1', '1'}, {'n', 'n'}, {'j', 'o'}, {'o', 'j'}}, // pmi 19 {{'1', '1'}, {'o', 'o'}, {'1', 'n'}, {'o', 'j'}}, {{'1', '1'}, {'o', 'o'}, {'j', 'o'}, {'1', 'n'}} // pmi 21 }; // Table 6.3.1.5-6 Precoding Matrix W 3 layers 4 antenna ports 'n' = -1 and 'o' = -j const char nr_W_3l_4p[7][4][3] = {{{'1', '0', '0'}, {'0', '1', '0'}, {'0', '0', '1'}, {'0', '0', '0'}}, // pmi 0 {{'1', '0', '0'}, {'0', '1', '0'}, {'1', '0', '0'}, {'0', '0', '1'}}, {{'1', '0', '0'}, {'0', '1', '0'}, {'n', '0', '0'}, {'0', '0', '1'}}, {{'1', '1', '1'}, {'1', 'n', '1'}, {'1', '1', 'n'}, {'1', 'n', 'n'}}, // pmi 3 {{'1', '1', '1'}, {'1', 'n', '1'}, {'j', 'j', 'o'}, {'j', 'o', 'o'}}, // pmi 4 {{'1', '1', '1'}, {'n', '1', 'n'}, {'1', '1', 'n'}, {'n', '1', '1'}}, {{'1', '1', '1'}, {'n', '1', 'n'}, {'j', 'j', 'o'}, {'o', 'j', 'j'}}}; // Table 6.3.1.5-7 Precoding Matrix W 4 layers 4 antenna ports 'n' = -1 and 'o' = -j const char nr_W_4l_4p[5][4][4] = { {{'1', '0', '0', '0'}, {'0', '1', '0', '0'}, {'0', '0', '1', '0'}, {'0', '0', '0', '1'}}, // pmi 0 {{'1', '1', '0', '0'}, {'0', '0', '1', '1'}, {'1', 'n', '0', '0'}, {'0', '0', '1', 'n'}}, {{'1', '1', '0', '0'}, {'0', '0', '1', '1'}, {'j', 'o', '0', '0'}, {'0', '0', 'j', 'o'}}, {{'1', '1', '1', '1'}, {'1', 'n', '1', 'n'}, {'1', '1', 'n', 'n'}, {'1', 'n', 'n', '1'}}, // pmi 3 {{'1', '1', '1', '1'}, {'1', 'n', '1', 'n'}, {'j', 'j', 'o', 'o'}, {'j', 'o', 'o', 'j'}} // pmi 4 }; void nr_modulation(const uint32_t *in, uint32_t length, uint16_t mod_order, int16_t *out) { const uint16_t mask = ((1 << mod_order) - 1); int32_t *out32 = (int32_t *)out; const uint8_t *in_bytes = (const uint8_t *)in; const uint64_t *in64 = (const uint64_t *)in; int64_t *out64 = (int64_t *)out; uint32_t i = 0; LOG_D(PHY, "nr_modulation: length %d, mod_order %d\n", length, mod_order); switch (mod_order) { case 2: { simde__m128i *nr_mod_table128 = (simde__m128i *)nr_qpsk_byte_mod_table; simde__m128i *out128 = (simde__m128i *)out; for (i = 0; i < length / 8; i++) out128[i] = nr_mod_table128[in_bytes[i]]; // the bits that are left out i = i * 8 / 2; int32_t *nr_mod_table32 = (int32_t *)nr_qpsk_mod_table; while (i < length / 2) { const int idx = ((in_bytes[(i * 2) / 8] >> ((i * 2) & 0x7)) & mask); out32[i] = nr_mod_table32[idx]; i++; } } return; case 4: for (i = 0; i < length / 8; i++) out64[i] = nr_16qam_byte_mod_table[in_bytes[i]]; // the bits that are left out i = i * 8 / 4; while (i < length / 4) { const int idx = ((in_bytes[(i * 4) / 8] >> ((i * 4) & 0x7)) & mask); out32[i] = nr_16qam_mod_table[idx]; i++; } return; case 6: if (length > (3 * 64)) for (i = 0; i < length - 3 * 64; i += 3 * 64) { uint64_t x = *in64++; uint64_t x1 = x & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x >> 12) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x >> 24) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x >> 36) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x >> 48) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; uint64_t x2 = (x >> 60); x = *in64++; x2 |= x << 4; x1 = x2 & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 12) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 24) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 36) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 48) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x2 = ((x >> 56) & 0xf0) | (x2 >> 60); x = *in64++; x2 |= x << 8; x1 = x2 & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 12) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 24) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 36) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (x2 >> 48) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x2 = ((x >> 52) & 0xff0) | (x2 >> 60); *out64++ = nr_64qam_mod_table[x2]; } while (i + 24 <= length) { uint32_t xx = 0; memcpy(&xx, in_bytes + i / 8, 3); uint64_t x1 = xx & 0xfff; *out64++ = nr_64qam_mod_table[x1]; x1 = (xx >> 12) & 0xfff; *out64++ = nr_64qam_mod_table[x1]; i += 24; } if (i != length) { uint32_t xx = 0; memcpy(&xx, in_bytes + i / 8, 2); uint64_t x1 = xx & 0xfff; *out64++ = nr_64qam_mod_table[x1]; } return; case 8: { int32_t *nr_mod_table32 = (int32_t *)nr_256qam_mod_table; for (i = 0; i < length / 8; i++) out32[i] = nr_mod_table32[in_bytes[i]]; } return; default: break; } AssertFatal(false, "Invalid or unsupported modulation order %d\n", mod_order); } void nr_layer_mapping(int nbCodes, int encoded_len, c16_t mod_symbs[nbCodes][encoded_len], uint8_t n_layers, int layerSz, uint32_t n_symbs, c16_t tx_layers[][layerSz]) { LOG_D(PHY, "Doing layer mapping for %d layers, %d symbols\n", n_layers, n_symbs); c16_t *mod = mod_symbs[0]; switch (n_layers) { case 1: memcpy(tx_layers[0], mod, n_symbs * sizeof(**mod_symbs)); break; case 2: { int i = 0; c16_t *tx0 = tx_layers[0]; c16_t *tx1 = tx_layers[1]; #if defined(__AVX512BW__) simde__m512i perm2a = simde_mm512_set_epi32(30, 28, 26, 24, 22, 20, 18, 16, 14, 12, 10, 8, 6, 4, 2, 0); simde__m512i perm2b = simde_mm512_set_epi32(31, 29, 27, 25, 23, 21, 19, 17, 15, 13, 11, 9, 7, 5, 3, 1); for (; i < (n_symbs & ~31); i += 32) { simde__m512i a = *(simde__m512i *)(mod + i); simde__m512i b = *(simde__m512i *)(mod + i + 16); *(simde__m512i *)tx0 = simde_mm512_permutex2var_epi32(a, perm2a, b); *(simde__m512i *)tx1 = simde_mm512_permutex2var_epi32(a, perm2b, b); tx0 += 16; tx1 += 16; } #endif #ifdef __AVX2__ simde__m256i perm2 = simde_mm256_set_epi32(7, 5, 3, 1, 6, 4, 2, 0); for (; i < (n_symbs & ~7); i += 8) { simde__m256i d = simde_mm256_permutevar8x32_epi32(*(simde__m256i *)(mod + i), perm2); *(simde__m128i *)tx0 = simde_mm256_extractf128_si256(d, 0); *(simde__m128i *)tx1 = simde_mm256_extractf128_si256(d, 1); tx0 += 4; tx1 += 4; } #endif #if defined(__aarch64__) && defined(USE_NEON) // SIMDe doesn't handle this properly, gcc up to 14.2 neither uint8_t const perm0[16] = {0, 1, 2, 3, 8, 9, 10, 11, 4, 5, 6, 7, 12, 13, 14, 15}; uint8x16_t perm = vld1q_u8(perm0); uint8x16_t d; for (; i < (n_symbs & (~3)); i += 4) { d = vqtbl1q_u8(*(uint8x16_t *)(mod + i), perm); *(int64_t *)tx0 = vgetq_lane_u64((uint64x2_t)d, 0); *(int64_t *)tx1 = vgetq_lane_u64((uint64x2_t)d, 1); tx0 += 2; tx1 += 2; } #endif for (; i < n_symbs; i += 2) { *tx0++ = mod[i]; *tx1++ = mod[i + 1]; } } break; case 3: { int i = 0; c16_t *tx0 = tx_layers[0]; c16_t *tx1 = tx_layers[1]; c16_t *tx2 = tx_layers[2]; #if defined(__AVX512F) && defined(__AVX512VBMI__) simde__m512i perm3_0 = simde_mm512_set_epi32(13 + 16, 10 + 16, 7 + 16, 4 + 16, 1 + 16, 14 + 16, 11 + 16, 8 + 16, 5 + 16, 2 + 16, 15, 12, 9, 6, 3, 0); simde__m512i perm3_0b = simde_mm512_set_epi32(13 + 16, 10 + 16, 7 + 16, 4 + 16, 1 + 16, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); simde__m512i perm3_1 = simde_mm512_set_epi32(14 + 16, 11 + 16, 8 + 16, 5 + 16, 2 + 16, 15 + 16, 12 + 16, 9 + 16, 6 + 16, 3 + 16, 0 + 16, 13, 10, 7, 4, 1); simde__m512i perm3_1b = simde_mm512_set_epi32(14 + 16, 11 + 16, 8 + 16, 5 + 16, 2 + 16, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); simde__m512i perm3_2 = simde_mm512_set_epi32(15 + 16, 12 + 16, 9 + 16, 6 + 16, 3 + 16, 0 + 16, 13 + 16, 10 + 16, 7 + 16, 4 + 16, 1 + 16, 14, 11, 8, 5, 2); simde__m512i perm3_2b = simde_mm512_set_epi32(15 + 16, 12 + 16, 9 + 16, 6 + 16, 3 + 16, 0 + 16, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); for (; i < (n_symbs & ~63); i += 48) { simde__m512i i0 = *(simde__m512i *)(mod + i); simde__m512i i1 = *(simde__m512i *)(mod + i + 16); simde__m512i i2 = *(simde__m512i *)(mod + i + 32); simde__m512i d0 = simde_mm512_permutex2var_epi32(i0, perm3_0, i1); *(simde__m512i *)tx0 = simde_mm512_permutex2var_epi32(d0, perm3_0b, i2); // 11000000 tx0 += 16; d0 = simde_mm512_permutex2var_epi32(i0, perm3_1, i1); *(simde__m512i *)tx1 = simde_mm512_permutex2var_epi32(d0, perm3_1b, i2); // 11000000 tx1 += 16; d0 = simde_mm512_permutex2var_epi32(i0, perm3_2, i1); *(simde__m512i *)tx2 = simde_mm512_permutex2var_epi32(d0, perm3_2b, i2); // 11000000 tx2 += 16; } #endif #ifdef __AVX2__ { simde__m256i perm3_0 = simde_mm256_set_epi32(5, 2, 7, 4, 1, 6, 3, 0); simde__m256i perm3_1 = simde_mm256_set_epi32(6, 3, 0, 5, 2, 7, 4, 1); simde__m256i perm3_2 = simde_mm256_set_epi32(7, 4, 1, 6, 3, 0, 5, 2); for (; i < (n_symbs & ~31); i += 24) { simde__m256i i0 = *(simde__m256i *)(mod + i); simde__m256i i1 = *(simde__m256i *)(mod + i + 8); simde__m256i i2 = *(simde__m256i *)(mod + i + 16); simde__m256i d0 = simde_mm256_permutevar8x32_epi32(i0, perm3_0); simde__m256i d1 = simde_mm256_permutevar8x32_epi32(i1, perm3_0); simde__m256i d2 = simde_mm256_permutevar8x32_epi32(i2, perm3_0); simde__m256i d3 = simde_mm256_blend_epi32(d0, d1, 0x38); // 00111000 *(simde__m256i *)tx0 = simde_mm256_blend_epi32(d3, d2, 0xc0); // 11000000 tx0 += 8; d0 = simde_mm256_permutevar8x32_epi32(i0, perm3_1); d1 = simde_mm256_permutevar8x32_epi32(i1, perm3_1); d2 = simde_mm256_permutevar8x32_epi32(i2, perm3_1); d3 = simde_mm256_blend_epi32(d0, d1, 0x18); // 00011000 *(simde__m256i *)tx1 = simde_mm256_blend_epi32(d3, d2, 0xe0); // 11100000 tx1 += 8; d0 = simde_mm256_permutevar8x32_epi32(i0, perm3_2); d1 = simde_mm256_permutevar8x32_epi32(i1, perm3_2); d2 = simde_mm256_permutevar8x32_epi32(i2, perm3_2); d3 = simde_mm256_blend_epi32(d0, d1, 0x1c); // 00011100 *(simde__m256i *)tx2 = simde_mm256_blend_epi32(d3, d2, 0xe0); // 11100000 tx2 += 8; } } #endif for (; i < n_symbs; i += 3) { *tx0++ = mod[i]; *tx1++ = mod[i + 1]; *tx2++ = mod[i + 2]; } #ifdef DEBUG_LAYER_MAPPING printf("\nsymb %d/%u\n", i << 3, n_symbs); printf(" layer 0:\t"); for (int j = 0; j < 8 * 6; j += 6) { printf("%d %d ", ((int16_t *)&mod[i << 3])[j], ((int16_t *)&mod[i << 3])[j + 1]); } printf("\n layer 1:\t"); for (int j = 2; j < 8 * 6; j += 6) { printf("%d %d ", ((int16_t *)&mod[i << 3])[j], ((int16_t *)&mod[i << 3])[j + 1]); } printf("\n layer 2:\t"); for (int j = 4; j < 8 * 6; j += 6) { printf("%d %d ", ((int16_t *)&mod[i << 3])[j], ((int16_t *)&mod[i << 3])[j + 1]); } printf("\n Mapping layer 0:\t"); for (int j = 0; j < 16; j++) { printf("%d ", ((int16_t *)&tx_layers[0][n << 3])[j]); } printf("\n Mapping layer 1:\t"); for (int j = 0; j < 16; j++) { printf("%d ", ((int16_t *)&tx_layers[1][n << 3])[j]); } printf("\n Mapping layer 2:\t"); for (int j = 0; j < 16; j++) { printf("%d ", ((int16_t *)&tx_layers[2][n << 3])[j]); } #endif } break; case 4: { int i = 0; c16_t *tx0 = tx_layers[0]; c16_t *tx1 = tx_layers[1]; c16_t *tx2 = tx_layers[2]; c16_t *tx3 = tx_layers[3]; #if defined(__AVX512VBMI__) simde__m512i perm4 = simde_mm512_set_epi32(15, 11, 7, 3, 14, 10, 6, 2, 13, 9, 5, 1, 12, 8, 4, 0); for (; i < (n_symbs & ~15); i += 16) { simde__m512i e = simde_mm512_permutexvar_epi32(perm4, *(simde__m512i *)(mod + i)); *(simde__m128i *)tx0 = simde_mm512_extracti64x2_epi64(e, 0); tx0 += 4; *(simde__m128i *)tx1 = simde_mm512_extracti64x2_epi64(e, 1); tx1 += 4; *(simde__m128i *)tx2 = simde_mm512_extracti64x2_epi64(e, 2); tx2 += 4; *(simde__m128i *)tx3 = simde_mm512_extracti64x2_epi64(e, 3); tx3 += 4; } #endif #ifdef __AVX2__ { simde__m256i perm4 = simde_mm256_set_epi32(7, 3, 6, 2, 5, 1, 4, 0); for (; i < (n_symbs & ~7); i += 8) { simde__m256i e = simde_mm256_permutevar8x32_epi32(*(simde__m256i *)(mod + i), perm4); *(uint64_t *)tx0 = simde_mm256_extract_epi64(e, 0); tx0 += 2; *(uint64_t *)tx1 = simde_mm256_extract_epi64(e, 1); tx1 += 2; *(uint64_t *)tx2 = simde_mm256_extract_epi64(e, 2); tx2 += 2; *(uint64_t *)tx3 = simde_mm256_extract_epi64(e, 3); tx3 += 2; } } #endif #if defined(__aarch64__) && defined(USE_NEON) // SIMDe doesn't handle this properly, gcc up to 14.2 neither for (; i < (n_symbs & ~3); i += 4) { uint32x4_t d4 = *(uint32x4_t *)(mod + i); *(uint32_t *)tx0 = vgetq_lane_u32(d4, 0); tx0++; *(uint32_t *)tx1 = vgetq_lane_u32(d4, 1); tx1++; *(uint32_t *)tx2 = vgetq_lane_u32(d4, 0); tx2++; *(uint32_t *)tx3 = vgetq_lane_u32(d4, 1); tx3++; } #endif for (; i < n_symbs; i += 4) { *tx0++ = mod[i]; *tx1++ = mod[i + 1]; *tx2++ = mod[i + 2]; *tx3++ = mod[i + 3]; } } break; case 5: case 6: case 7: case 8: /* // Layer 0,1 for (int i = 0; i < n_symbs; i += 2) { const int txIdx = i / 2; tx_layer[0][txIdx] = mod_symbs[0][i]; tx_layer[1][txIdx] = mod_symbs[0][i + 1]; } // layers 2,3,4 else for (int i = 0; i < n_symbs; i += 3) { const int txIdx = i / 3; tx_layer[2][txIdx] = mod_symbs[1][i + 2]; tx_layer[3][txIdx] = mod_symbs[1][i + 3]; tx_layer[4][txIdx] = mod_symbs[1][i + 4]; } break; case 6: for (int q=0; q<2; q++) for (int i = 0; i < n_symbs; i += 3) { const int txIdx = i / 3; tx_layer[0][txIdx] = mod_symbs[q][i + layer]; tx_layer[1][txIdx] = mod_symbs[q][i + layer]; tx_layer[2][txIdx] = mod_symbs[q][i + layer]; tx_layer[3][txIdx] = mod_symbs[q][i + layer]; tx_layer[4][txIdx] = mod_symbs[q][i + layer]; tx_layer[5][txIdx] = mod_symbs[q][i + layer]; } break; case 7: if (layer < 3) for (int i = 0; i < n_symbs; i += 3) { const int txIdx = i / 3; tx_layer[txIdx] = mod_symbs[1][i + layer]; } else for (int i = 0; i < n_symbs; i += 4) { const int txIdx = i / 4; tx_layer[txIdx] = mod_symbs[0][i + layer]; } break; case 8: for (int q=0; q<2; q++) for (int i = 0; i < n_symbs; i += 4) { const int txIdx = i / 4; tx_layer[txIdx] = mod_symbs[q][i + layer]; } break; */ default: AssertFatal(0, "Invalid number of layers %d\n", n_layers); } } void nr_ue_layer_mapping(const c16_t *mod_symbs, const int n_layers, const int n_symbs, c16_t tx_layers[][n_symbs]) { for (int l = 0; l < n_layers; l++) { for (int i = 0; i < n_symbs; i++) { tx_layers[l][i] = c16mulRealShift(mod_symbs[n_layers * i + l], AMP, 15); } } } void nr_dft(c16_t *z, c16_t *d, uint32_t Msc_PUSCH) { simde__m128i dft_in128[3240], dft_out128[3240]; c16_t *dft_in0 = (c16_t *)dft_in128, *dft_out0 = (c16_t *)dft_out128; uint32_t i, ip; simde__m128i norm128; if ((Msc_PUSCH % 1536) > 0) { for (i = 0, ip = 0; i < Msc_PUSCH; i++, ip += 4) { dft_in0[ip] = d[i]; } } dft_size_idx_t dftsize = get_dft(Msc_PUSCH); switch (Msc_PUSCH) { case 12: dft(dftsize, (int16_t *)dft_in0, (int16_t *)dft_out0, 0); norm128 = simde_mm_set1_epi16(9459); for (i = 0; i < 12; i++) { ((simde__m128i *)dft_out0)[i] = simde_mm_slli_epi16(simde_mm_mulhi_epi16(((simde__m128i *)dft_out0)[i], norm128), 1); } break; default: dft(dftsize, (int16_t *)dft_in0, (int16_t *)dft_out0, 1); break; } if ((Msc_PUSCH % 1536) > 0) { for (i = 0, ip = 0; i < Msc_PUSCH; i++, ip += 4) z[i] = dft_out0[ip]; } } void perform_symbol_rotation(NR_DL_FRAME_PARMS *fp, double f0, c16_t *symbol_rotation) { const int nsymb = fp->symbols_per_slot * fp->slots_per_frame / 10; const double Tc = (1 / 480e3 / 4096); const double Nu = 2048 * 64 * (1 / (float)(1 << fp->numerology_index)); const double Ncp0 = 16 * 64 + (144 * 64 * (1 / (float)(1 << fp->numerology_index))); const double Ncp1 = (144 * 64 * (1 / (float)(1 << fp->numerology_index))); LOG_D(PHY, "Doing symbol rotation calculation for TX/RX, f0 %f Hz, Nsymb %d\n", f0, nsymb); double tl = 0.0; double poff = 0.0; double exp_re = 0.0; double exp_im = 0.0; for (int l = 0; l < nsymb; l++) { double Ncp; if (l == 0 || l == (7 * (1 << fp->numerology_index))) { Ncp = Ncp0; } else { Ncp = Ncp1; } poff = 2 * M_PI * (tl + (Ncp * Tc)) * f0; exp_re = cos(poff); exp_im = sin(-poff); symbol_rotation[l].r = (int16_t)floor(exp_re * 32767); symbol_rotation[l].i = (int16_t)floor(exp_im * 32767); LOG_D(PHY, "Symbol rotation %d/%d => tl %f (%d,%d) (%f)\n", l, nsymb, tl, symbol_rotation[l].r, symbol_rotation[l].i, (poff / 2 / M_PI) - floor(poff / 2 / M_PI)); tl += (Nu + Ncp) * Tc; } } void init_symbol_rotation(NR_DL_FRAME_PARMS *fp) { double f[2] = {(double)fp->dl_CarrierFreq, (double)fp->ul_CarrierFreq}; for (int ll = 0; ll < 2; ll++) { double f0 = f[ll]; if (f0 == 0) continue; c16_t *rot = fp->symbol_rotation[ll]; perform_symbol_rotation(fp, f0, rot); } } void init_timeshift_rotation(NR_DL_FRAME_PARMS *fp) { const int sample_offset = fp->nb_prefix_samples / fp->ofdm_offset_divisor; for (int i = 0; i < fp->ofdm_symbol_size; i++) { double poff = -i * 2.0 * M_PI * sample_offset / fp->ofdm_symbol_size; double exp_re = cos(poff); double exp_im = sin(-poff); fp->timeshift_symbol_rotation[i].r = (int16_t)round(exp_re * 32767); fp->timeshift_symbol_rotation[i].i = (int16_t)round(exp_im * 32767); if (i < 10) LOG_D(PHY, "Timeshift symbol rotation %d => (%d,%d) %f\n", i, fp->timeshift_symbol_rotation[i].r, fp->timeshift_symbol_rotation[i].i, poff); } } c16_t nr_layer_precoder(int sz, c16_t datatx_F_precoding[][sz], const char *prec_matrix, uint8_t n_layers, int32_t re_offset) { c16_t precodatatx_F = {0}; for (int al = 0; al < n_layers; al++) { c16_t antenna = datatx_F_precoding[al][re_offset]; switch (prec_matrix[al]) { case '0': // multiply by zero break; case '1': // multiply by 1 precodatatx_F = c16add(precodatatx_F, antenna); break; case 'n': // multiply by -1 precodatatx_F = c16sub(precodatatx_F, antenna); break; case 'j': // precodatatx_F.r -= antenna.i; precodatatx_F.i += antenna.r; break; case 'o': // -j precodatatx_F.r += antenna.i; precodatatx_F.i -= antenna.r; break; } } return precodatatx_F; // normalize /* ((int16_t *)precodatatx_F)[0] = (int16_t)((((int16_t *)precodatatx_F)[0]*ONE_OVER_SQRT2_Q15)>>15); ((int16_t *)precodatatx_F)[1] = (int16_t)((((int16_t *)precodatatx_F)[1]*ONE_OVER_SQRT2_Q15)>>15);*/ } c16_t nr_layer_precoder_cm(int n_layers, int symSz, c16_t datatx_F_precoding[n_layers][symSz], int ap, nfapi_nr_pm_pdu_t *pmi_pdu, int offset) { c16_t precodatatx_F = {0}; for (int al = 0; al < n_layers; al++) { c16_t prec_weight = pmi_pdu->weights[al][ap]; precodatatx_F = c16maddShift(datatx_F_precoding[al][offset], prec_weight, precodatatx_F, 15); } return precodatatx_F; } #if defined(__AVX512F__) && defined(__AVX512BW__) static inline __attribute__((always_inline)) __m512i cmac0_prec512(__m512i x, __m512i w_c, __m512i w_s) { // Multiplication and shift const __m512i reals = _mm512_srai_epi32(_mm512_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15 const __m512i imags = _mm512_slli_epi32(_mm512_madd_epi16(x, w_s), 1); // (int32_t) .i = (x.r * w.i + x.i * w.r) << 1, since higher 16 bit of each 32 bit is taken by blend_epi16 // Re-arrange to match c16_t format return _mm512_mask_blend_epi16(0xAAAAAAAA,reals, imags); } static inline __attribute__((always_inline)) __m512i cmac_prec512(__m512i y, __m512i x, __m512i w_c, __m512i w_s) { const __m512i produ = cmac0_prec512(x, w_c, w_s); // Accumulate the product return _mm512_adds_epi16(y, produ); } #endif #ifdef __AVX2__ static inline __attribute__((always_inline)) __m256i cmac0_prec256(__m256i x, __m256i w_c, __m256i w_s) { // Multiplication and shift const __m256i reals = _mm256_srai_epi32(_mm256_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15 const __m256i imags = _mm256_slli_epi32(_mm256_madd_epi16(x, w_s), 1); // (int32_t) .i = (x.r * w.i + x.i * w.r) << 1, since higher 16 bit of each 32 bit is taken by blend_epi16 // Re-arrange to match c16_t format return _mm256_blend_epi16(reals, imags,0xAA); } static inline __attribute__((always_inline)) __m256i cmac_prec256(__m256i y, __m256i x, __m256i w_c, __m256i w_s) { const __m256i produ = cmac0_prec256(x, w_c, w_s); // Accumulate the product return _mm256_adds_epi16(y, produ); } #endif #ifdef __aarch64__ static inline __attribute__((always_inline)) int16x8_t cmac0_prec128(int16x8_t x, int16x8_t wr, int16x8_t wi) { // int16x8_t xr = vuzp1q_s16(x, x); // even lanes int16x8_t xi = vuzp2q_s16(x, x); // odd lanes // real = ar*br - ai*bi (Q15 scaling via high-half doubling muls) int16x8_t real = vqdmulhq_s16(xr, wr); // ≈ round((2*xr*wr)/2^16) real = vqrdmlshq_s16(real, xi, wi); // real -= round((2*xi*wi)/2^16) // // imag = ar*bi + ai*br int16x8_t imag = vqdmulhq_s16(xr, wi); imag = vqrdmlahq_s16(imag, xi, wr); // imag += round((2*xi*wr)/2^16) // // Re-interleave [real, imag] int16x8x2_t produ = vzipq_s16(real, imag); return produ.val[0]; } static inline __attribute__((always_inline)) int16x8_t cmac_prec128(int16x8_t y, int16x8_t x, int16x8_t wr, int16x8_t wi) { int16x8_t produ = cmac0_prec128(x, wr, wi); return vaddq_s16(y, produ); } #else static inline __attribute__((always_inline)) simde__m128i cmac0_prec128(simde__m128i x, simde__m128i w_c, simde__m128i w_s) { // Multiplication and shift const simde__m128i reals = simde_mm_srai_epi32(simde_mm_madd_epi16(x, w_c), 15); // (int32_t) .r = (x.r * w.r - x.i * w.i) >> 15 const simde__m128i imags = simde_mm_slli_epi32( simde_mm_madd_epi16(x, w_s), 1); // (int32_t) .i = (x.r * w.i + x.i * w.r) << 1, since higher 16 bit of each 32 bit is taken by blend_epi16 /* Re-arrange to match c16_t format bit index: 0 | 16 | 32 | 48 | 64 | 80 | 96 | 112 reals = {R0.r[15..30] | R0.r[31] (0)*15 | R1.r[15..30] | R1.r[31] (0)*15 | R2.r[15..30] | R2.r[31] (0)*15 | R3.r[15..30] | R3.r[31] (0)*15} imags = {0 R0.i[0..14]| R0.i[15..30] | 0 R1.i[0..14]| R1.i[15..30] | 0 R2.i[0..14]| R2.i[15..30] | 0 R3.i[0..14]| R3.i[15..30] } 16b from {reals | imags | reals | imags | reals | imags | reals | imags } produ = {R0.r[15..30] | R0.i[15..30] | R1.r[15..30] | R1.i[15..30] | R2.r[15..30] | R2.i[15..30] | R3.r[15..30] | R3.i[15..30] } */ return simde_mm_blend_epi16(reals, imags, 0xAA); } static inline __attribute__((always_inline)) __m128i cmac_prec128(__m128i y, __m128i x, __m128i w_c, __m128i w_s) { const __m128i produ = cmac0_prec128(x, w_c, w_s); // Accumulate the product return simde_mm_adds_epi16(y, produ); } #endif #define load_consts(Type, Instruct, Rank) \ const Type w_c##Rank = Instruct(c16toI32(c16conj(pmi_pdu->weights[Rank][ant]))); \ const Type w_s##Rank = Instruct(c16toI32(c16swap(pmi_pdu->weights[Rank][ant]))); \ const Type *in##Rank = (Type *)(txdataF_res_mapped[Rank] + sc_offset + (out-beginning)); void nr_layer_precoder_simd(const int n_layers, const int symSz, const c16_t txdataF_res_mapped[n_layers][symSz], const int ant, const nfapi_nr_pm_pdu_t *pmi_pdu, const int sc_offset, const int re_cnt, c16_t *txdataF_precoded) { // For x86, use 256 SIMD for every 8 RE and 128 SIMD for last 4 RE // For aarch64, use 128 SIMD for every 4 RE AssertFatal(n_layers > 0 && n_layers <= 4, "Shouldn't get here, n_layers %d\n", n_layers); // 512/256 SIMD: Do 16/8 RE in one iteration, 3 iterations for 2 RB c16_t *beginning = txdataF_precoded + sc_offset; c16_t *out=beginning; #if defined(__AVX512F__) && defined(__AVX512BW__) { c16_t *end = out + (re_cnt & ~15); load_consts(__m512i, _mm512_set1_epi32, 0); if (n_layers == 1) { for (; out < end; out += sizeof(__m512i) / sizeof(*out)) { const __m512i x = _mm512_loadu_si512(in0++); // Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8) __m512i y = cmac0_prec512(x, w_c0, w_s0); _mm512_storeu_si512(out, y); } } else if (n_layers == 2) { load_consts(__m512i, _mm512_set1_epi32, 1); for (; out < end; out += sizeof(__m512i) / sizeof(*out)) { const __m512i x = _mm512_loadu_si512(in0++); const __m512i x1 = _mm512_loadu_si512(in1++); // Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8) __m512i y = cmac0_prec512(x, w_c0, w_s0); y = cmac_prec512(y, x1, w_c1, w_s1); _mm512_storeu_si512(out, y); } } else if (n_layers == 3) { load_consts(__m512i, _mm512_set1_epi32, 1); load_consts(__m512i, _mm512_set1_epi32, 2); for (; out < end; out += sizeof(__m512i) / sizeof(*out)) { const __m512i x = _mm512_loadu_si512(in0++); const __m512i x1 = _mm512_loadu_si512(in1++); const __m512i x2 = _mm512_loadu_si512(in2++); // Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8) __m512i y = cmac0_prec512(x, w_c0, w_s0); y = cmac_prec512(y, x1, w_c1, w_s1); y = cmac_prec512(y, x2, w_c2, w_s2); _mm512_storeu_si512(out, y); } } else if (n_layers == 4) { load_consts(__m512i, _mm512_set1_epi32, 1); load_consts(__m512i, _mm512_set1_epi32, 2); load_consts(__m512i, _mm512_set1_epi32, 3); for (; out < end; out += sizeof(__m512i) / sizeof(*out)) { const __m512i x = _mm512_loadu_si512(in0++); const __m512i x1 = _mm512_loadu_si512(in1++); const __m512i x2 = _mm512_loadu_si512(in2++); const __m512i x3 = _mm512_loadu_si512(in3++); // Matrix multiplication for 4 elements of the result (sizeof(simde__m256i) / sizeof(*prec_matrix) = 8) __m512i y = cmac0_prec512(x, w_c0, w_s0); y = cmac_prec512(y, x1, w_c1, w_s1); y = cmac_prec512(y, x2, w_c2, w_s2); y = cmac_prec512(y, x3, w_c3, w_s3); _mm512_storeu_si512(out, y); } } } #endif #ifdef __AVX2__ { c16_t *end = beginning + (re_cnt & ~7); load_consts(simde__m256i, simde_mm256_set1_epi32, 0); if (n_layers == 1) { for (; out < end; out += sizeof(simde__m256i) / sizeof(*out)) { const simde__m256i x0 = simde_mm256_loadu_si256(in0++); // Accumulate the product simde__m256i y = cmac0_prec256(x0, w_c0, w_s0); // Store the result to txdataF simde_mm256_storeu_si256(out, y); } } else if (n_layers == 2) { load_consts(simde__m256i, simde_mm256_set1_epi32, 1); for (; out < end; out += sizeof(simde__m256i) / sizeof(*out)) { const simde__m256i x0 = simde_mm256_loadu_si256(in0++); const simde__m256i x1 = simde_mm256_loadu_si256(in1++); // Accumulate the product simde__m256i y = cmac0_prec256(x0, w_c0, w_s0); y = cmac_prec256(y, x1, w_c1, w_s1); // Store the result to txdataF simde_mm256_storeu_si256(out, y); } } else if (n_layers == 3) { load_consts(simde__m256i, simde_mm256_set1_epi32, 1); load_consts(simde__m256i, simde_mm256_set1_epi32, 2); for (; out < end; out += sizeof(simde__m256i) / sizeof(*out)) { const simde__m256i x0 = simde_mm256_loadu_si256(in0++); const simde__m256i x1 = simde_mm256_loadu_si256(in1++); const simde__m256i x2 = simde_mm256_loadu_si256(in2++); simde__m256i y = cmac0_prec256(x0, w_c0, w_s0); y = cmac_prec256(y, x1, w_c1, w_s1); y = cmac_prec256(y, x2, w_c2, w_s2); // Store the result to txdataF simde_mm256_storeu_si256(out, y); } } else if (n_layers == 4) { load_consts(simde__m256i, simde_mm256_set1_epi32, 1); load_consts(simde__m256i, simde_mm256_set1_epi32, 2); load_consts(simde__m256i, simde_mm256_set1_epi32, 3); for (; out < end; out += sizeof(simde__m256i) / sizeof(*out)) { const simde__m256i x0 = simde_mm256_loadu_si256(in0++); const simde__m256i x1 = simde_mm256_loadu_si256(in1++); const simde__m256i x2 = simde_mm256_loadu_si256(in2++); const simde__m256i x3 = simde_mm256_loadu_si256(in3++); simde__m256i y = cmac0_prec256(x0, w_c0, w_s0); y = cmac_prec256(y, x1, w_c1, w_s1); y = cmac_prec256(y, x2, w_c2, w_s2); y = cmac_prec256(y, x3, w_c3, w_s3); // Store the result to txdataF simde_mm256_storeu_si256(out, y); } } } #endif c16_t *end = beginning + (re_cnt & ~3); #ifdef DEBUG_DLSCH_PRECODING_PRINT_WITH_TRIVIAL // Get result with trivial solution, TODO: To be removed // 128 SIMD: Do 4 RE in one iteration, 3 iterations for 1 RB for (; out < end; out += sizeof(simde__m128i) / sizeof(*out)) { c16_t y_triv[4]; for (int i = 0; i < 4; i++) y_triv[i] = nr_layer_precoder_cm(n_layers, symSz, txdataF_res_mapped, ant, pmi_pdu, sc + i); memcpy(out, y_triv, sizeof(y_triv)); } #endif #ifdef __aarch64__ load_consts(int16x8_t, vdupq_n_s16, 0); if (n_layers == 1) { for (; out < end; out += sizeof(int16x8_t) / sizeof(*out)) { const int16x8_t x0 = vld1q_s16((const int16_t *)in0++); // Accumulate the product int16x8_t y = cmac0_prec128(x0, w_c0, w_s0); // Store the result to txdataF *(int16x8_t *)out = y; } } if (n_layers == 2) { load_consts(int16x8_t, vdupq_n_s16, 1); for (; out < end; out += sizeof(int16x8_t) / sizeof(*out)) { const int16x8_t x0 = vld1q_s16((const int16_t *)in0++); const int16x8_t x1 = vld1q_s16((const int16_t *)in1++); // Accumulate the product int16x8_t y = cmac0_prec128(x0, w_c0, w_s0); y = cmac_prec128(y, x1, w_c1, w_s1); // Store the result to txdataF *(int16x8_t *)out = y; } } if (n_layers == 3) { load_consts(int16x8_t, vdupq_n_s16, 1); load_consts(int16x8_t, vdupq_n_s16, 2); for (; out < end; out += sizeof(int16x8_t) / sizeof(*out)) { const int16x8_t x0 = vld1q_s16((const int16_t *)in0++); const int16x8_t x1 = vld1q_s16((const int16_t *)in1++); const int16x8_t x2 = vld1q_s16((const int16_t *)in2++); // Accumulate the product int16x8_t y = cmac0_prec128(x0, w_c0, w_s0); ; y = cmac_prec128(y, x1, w_c1, w_s1); y = cmac_prec128(y, x2, w_c2, w_s2); // Store the result to txdataF *(int16x8_t *)out = y; } } if (n_layers == 4) { load_consts(int16x8_t, vdupq_n_s16, 1); load_consts(int16x8_t, vdupq_n_s16, 2); load_consts(int16x8_t, vdupq_n_s16, 3); for (; out < end; out += sizeof(int16x8_t) / sizeof(*out)) { const int16x8_t x0 = vld1q_s16((const int16_t *)in0++); const int16x8_t x1 = vld1q_s16((const int16_t *)in1++); const int16x8_t x2 = vld1q_s16((const int16_t *)in2++); const int16x8_t x3 = vld1q_s16((const int16_t *)in3++); // Accumulate the product int16x8_t y = cmac0_prec128(x0, w_c0, w_s0); ; y = cmac_prec128(y, x1, w_c1, w_s1); y = cmac_prec128(y, x2, w_c2, w_s2); y = cmac_prec128(y, x3, w_c3, w_s3); // Store the result to txdataF *(int16x8_t *)out = y; } } #else load_consts(simde__m128i, simde_mm_set1_epi32, 0); if (n_layers == 1) { for (; out < end; out += sizeof(simde__m128i) / sizeof(*out)) { const simde__m128i x0 = simde_mm_loadu_si128(in0++); // Accumulate the product simde__m128i y = cmac0_prec128(x0, w_c0, w_s0); // Store the result to txdataF simde_mm_storeu_si128(out, y); } } else if (n_layers == 2) { load_consts(simde__m128i, simde_mm_set1_epi32, 1); for (; out < end; out += sizeof(simde__m128i) / sizeof(*out)) { const simde__m128i x0 = simde_mm_loadu_si128(in0++); const simde__m128i x1 = simde_mm_loadu_si128(in1++); // Accumulate the product simde__m128i y = cmac0_prec128(x0, w_c0, w_s0); y = cmac_prec128(y, x1, w_c1, w_s1); // Store the result to txdataF simde_mm_storeu_si128(out, y); } } else if (n_layers == 3) { load_consts(simde__m128i, simde_mm_set1_epi32, 1); load_consts(simde__m128i, simde_mm_set1_epi32, 2); for (; out < end; out += sizeof(simde__m128i) / sizeof(*out)) { const simde__m128i x0 = simde_mm_loadu_si128(in0++); const simde__m128i x1 = simde_mm_loadu_si128(in1++); const simde__m128i x2 = simde_mm_loadu_si128(in2++); simde__m128i y = cmac0_prec128(x0, w_c0, w_s0); y = cmac_prec128(y, x1, w_c1, w_s1); y = cmac_prec128(y, x2, w_c2, w_s2); // Store the result to txdataF simde_mm_storeu_si128(out, y); } } else if (n_layers == 4) { load_consts(simde__m128i, simde_mm_set1_epi32, 1); load_consts(simde__m128i, simde_mm_set1_epi32, 2); load_consts(simde__m128i, simde_mm_set1_epi32, 3); for (; out < end; out += sizeof(simde__m128i) / sizeof(*out)) { const simde__m128i x0 = simde_mm_loadu_si128(in0++); const simde__m128i x1 = simde_mm_loadu_si128(in1++); const simde__m128i x2 = simde_mm_loadu_si128(in2++); const simde__m128i x3 = simde_mm_loadu_si128(in3++); simde__m128i y = cmac0_prec128(x0, w_c0, w_s0); y = cmac_prec128(y, x1, w_c1, w_s1); y = cmac_prec128(y, x2, w_c2, w_s2); y = cmac_prec128(y, x3, w_c3, w_s3); // Store the result to txdataF simde_mm_storeu_si128(out, y); } } #endif #ifdef DEBUG_DLSCH_PRECODING_PRINT_WITH_TRIVIAL // Print simd and trivial result, TODO: To be removed c16_t *y_simd = (c16_t *)&y; printf("debug_to_be_removed re_cnt=%d, sc=%u, y_simd=(%+4d,%+4d), (%+4d,%+4d), (%+4d,%+4d), (%+4d,%+4d)\n", re_cnt, sc, y_simd[0].r, y_simd[0].i, y_simd[1].r, y_simd[1].i, y_simd[2].r, y_simd[2].i, y_simd[3].r, y_simd[3].i); printf("debug_to_be_removed re_cnt=%d, sc=%u, y_triv=(%+4d,%+4d), (%+4d,%+4d), (%+4d,%+4d), (%+4d,%+4d)\n", re_cnt, sc, y_triv[0].r, y_triv[0].i, y_triv[1].r, y_triv[1].i, y_triv[2].r, y_triv[2].i, y_triv[3].r, y_triv[3].i); #endif }