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Commit a7e61374 authored by Raymond Knopp's avatar Raymond Knopp
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unrolled 2 BNs case in generator

parent 581a9731
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Showing with 66 additions and 9 deletions
openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/cnProc_gen.c
View file @ a7e61374
......@@ -92,7 +92,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// for (i=0; i<M; i++,iprime++)
// {
fprintf(fd," for (int i=0;i<%d;i++) {\n",M);
fprintf(fd," for (int i=0;i<%d;i+=2) {\n",M);
// Abs and sign of 32 CNs (first BN)
// ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][0] + i];
fprintf(fd," ymm0 = ((__m256i*)cnProcBuf)[%d+i];\n",(lut_startAddrCnGroups[0]>>5)+lut_idxCnProcG3[j][0]);
......@@ -117,6 +117,32 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// *p_cnProcBufResBit = _mm256_sign_epi8(min, sgn);
// p_cnProcBufResBit++;
fprintf(fd," ((__m256i*)cnProcBufRes)[%d+i] = _mm256_sign_epi8(min, sgn);\n",(lut_startAddrCnGroups[0]>>5)+(j*bitOffsetInGroup));
// Abs and sign of 32 CNs (first BN)
// ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][0] + i];
fprintf(fd," ymm0 = ((__m256i*)cnProcBuf)[%d+i];\n",(lut_startAddrCnGroups[0]>>5)+lut_idxCnProcG3[j][0]+1);
// sgn = _mm256_sign_epi8(ones, ymm0);
fprintf(fd," sgn = _mm256_sign_epi8(ones, ymm0);\n");
// min = _mm256_abs_epi8(ymm0);
fprintf(fd," min = _mm256_abs_epi8(ymm0);\n");
// 32 CNs of second BN
// ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][1] + i];
fprintf(fd," ymm0 = ((__m256i*)cnProcBuf)[%d+i];\n",(lut_startAddrCnGroups[0]>>5)+lut_idxCnProcG3[j][1]+1);
// min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));
fprintf(fd," min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));\n");
// sgn = _mm256_sign_epi8(sgn, ymm0);
fprintf(fd," sgn = _mm256_sign_epi8(sgn, ymm0);\n");
// Store result
// min = _mm256_min_epu8(min, maxLLR); // 128 in epi8 is -127
fprintf(fd," min = _mm256_min_epu8(min, maxLLR);\n");
// *p_cnProcBufResBit = _mm256_sign_epi8(min, sgn);
// p_cnProcBufResBit++;
fprintf(fd," ((__m256i*)cnProcBufRes)[%d+i] = _mm256_sign_epi8(min, sgn);\n",(lut_startAddrCnGroups[0]>>5)+(j*bitOffsetInGroup)+1);
fprintf(fd," }\n");
}
}
......@@ -250,7 +276,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 6 BNs
fprintf(fd,"//Process group with 6 BNs\n");
// Offset is 8*384/32 = 96
const uint16_t lut_idxCnProcG6[6][5] = {{96,192,288,384,480}, {0,192,288,384,480},
{0,96,288,384,480}, {0,96,192,384,480},
......@@ -316,7 +342,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 7 BNs
fprintf(fd,"//Process group with 7 BNs\n");
// Offset is 5*384/32 = 60
const uint16_t lut_idxCnProcG7[7][6] = {{60,120,180,240,300,360}, {0,120,180,240,300,360},
{0,60,180,240,300,360}, {0,60,120,240,300,360},
......@@ -384,7 +410,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 8 BNs
fprintf(fd,"//Process group with 8 BNs\n");
// Offset is 2*384/32 = 24
const uint8_t lut_idxCnProcG8[8][7] = {{24,48,72,96,120,144,168}, {0,48,72,96,120,144,168},
{0,24,72,96,120,144,168}, {0,24,48,96,120,144,168},
......@@ -452,7 +478,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 9 BNs
fprintf(fd,"//Process group with 9 BNs\n");
// Offset is 2*384/32 = 24
const uint8_t lut_idxCnProcG9[9][8] = {{24,48,72,96,120,144,168,192}, {0,48,72,96,120,144,168,192},
{0,24,72,96,120,144,168,192}, {0,24,48,96,120,144,168,192},
......@@ -522,7 +548,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 10 BNs
fprintf(fd,"//Process group with 10 BNs\n");
// Offset is 1*384/32 = 12
const uint8_t lut_idxCnProcG10[10][9] = {{12,24,36,48,60,72,84,96,108}, {0,24,36,48,60,72,84,96,108},
{0,12,36,48,60,72,84,96,108}, {0,12,24,48,60,72,84,96,108},
......@@ -593,6 +619,7 @@ void nrLDPC_cnProc_BG1_generator(uint16_t Z,int R)
// =====================================================================
// Process group with 19 BNs
fprintf(fd,"//Process group with 19 BNs\n");
// Offset is 4*384/32 = 12
const uint16_t lut_idxCnProcG19[19][18] = {{48,96,144,192,240,288,336,384,432,480,528,576,624,672,720,768,816,864}, {0,96,144,192,240,288,336,384,432,480,528,576,624,672,720,768,816,864},
{0,48,144,192,240,288,336,384,432,480,528,576,624,672,720,768,816,864}, {0,48,96,192,240,288,336,384,432,480,528,576,624,672,720,768,816,864},
......
openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_tools/ldpc_gen_files/nrLDPC_cnProc_BG1_Z384_13.c
View file @ a7e61374
......@@ -5,7 +5,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
__m256i ymm0, min, sgn,ones,maxLLR;
ones = _mm256_set1_epi8((char)1);
maxLLR = _mm256_set1_epi8((char)127);
for (int i=0;i<12;i++) {
for (int i=0;i<12;i+=2) {
ymm0 = ((__m256i*)cnProcBuf)[12+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
......@@ -14,8 +14,16 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[0+i] = _mm256_sign_epi8(min, sgn);
ymm0 = ((__m256i*)cnProcBuf)[13+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
ymm0 = ((__m256i*)cnProcBuf)[25+i];
min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[1+i] = _mm256_sign_epi8(min, sgn);
}
for (int i=0;i<12;i++) {
for (int i=0;i<12;i+=2) {
ymm0 = ((__m256i*)cnProcBuf)[0+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
......@@ -24,8 +32,16 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[12+i] = _mm256_sign_epi8(min, sgn);
ymm0 = ((__m256i*)cnProcBuf)[1+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
ymm0 = ((__m256i*)cnProcBuf)[25+i];
min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[13+i] = _mm256_sign_epi8(min, sgn);
}
for (int i=0;i<12;i++) {
for (int i=0;i<12;i+=2) {
ymm0 = ((__m256i*)cnProcBuf)[0+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
......@@ -34,6 +50,14 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[24+i] = _mm256_sign_epi8(min, sgn);
ymm0 = ((__m256i*)cnProcBuf)[1+i];
sgn = _mm256_sign_epi8(ones, ymm0);
min = _mm256_abs_epi8(ymm0);
ymm0 = ((__m256i*)cnProcBuf)[13+i];
min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));
sgn = _mm256_sign_epi8(sgn, ymm0);
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[25+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 4 BNs
for (int i=0;i<60;i++) {
......@@ -169,6 +193,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[1140+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 6 BNs
for (int i=0;i<96;i++) {
ymm0 = ((__m256i*)cnProcBuf)[1452+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......@@ -283,6 +308,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[1836+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 7 BNs
for (int i=0;i<60;i++) {
ymm0 = ((__m256i*)cnProcBuf)[1992+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......@@ -437,6 +463,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[2292+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 8 BNs
for (int i=0;i<24;i++) {
ymm0 = ((__m256i*)cnProcBuf)[2376+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......@@ -637,6 +664,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[2520+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 9 BNs
for (int i=0;i<24;i++) {
ymm0 = ((__m256i*)cnProcBuf)[2568+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......@@ -889,6 +917,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[2736+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 10 BNs
for (int i=0;i<12;i++) {
ymm0 = ((__m256i*)cnProcBuf)[2772+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......@@ -1199,6 +1228,7 @@ void nrLDPC_cnProc_BG1_Z384_13(int8_t* cnProcBuf,int8_t* cnProcBufRes) {
min = _mm256_min_epu8(min, maxLLR);
((__m256i*)cnProcBufRes)[2868+i] = _mm256_sign_epi8(min, sgn);
}
//Process group with 19 BNs
for (int i=0;i<48;i++) {
ymm0 = ((__m256i*)cnProcBuf)[2928+i];
sgn = _mm256_sign_epi8(ones, ymm0);
......
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