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Effective management of all values ​​of Z (lifting size) and all R (coding rate) for BG1 & BG2 |

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some improvement in decoding time | (bnProcPc reduces 2x)
This commit is contained in:
Sy
2020-06-27 02:07:13 +02:00
parent c912762144
commit 5e5bc1a9e3
448 changed files with 12031 additions and 475556 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_cnProc.h
+17 -17
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@@ -61,9 +61,9 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
// Offset to each bit within a group in terms of 32 Byte
uint32_t bitOffsetInGroup;
__m512i zmm0, min, sgn, zeros,maxLLR;
__m512i zmm0, min, sgn, zeros;
zeros = _mm512_setzero_si512();
maxLLR = _mm512_set1_epi8((char)127);
// maxLLR = _mm512_set1_epi8((char)127);
__m512i* p_cnProcBufResBit;
const __m512i* p_ones = (__m512i*) ones512_epi8;
@@ -95,8 +95,8 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
// Set of results pointer to correct BN address
p_cnProcBufResBit = p_cnProcBufRes + (j*bitOffsetInGroup);
__m512i *pj0 = &p_cnProcBuf[lut_idxCnProcG3[j][0]/2];
__m512i *pj1 = &p_cnProcBuf[lut_idxCnProcG3[j][1]/2];
__m512i *pj0 = &p_cnProcBuf[(lut_idxCnProcG3[j][0]/2)];
__m512i *pj1 = &p_cnProcBuf[(lut_idxCnProcG3[j][1]/2)];
// Loop over CNs
for (i=0; i<M; i++)
@@ -108,7 +108,7 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
min = _mm512_abs_epi8(zmm0);
// 32 CNs of second BN
// zmm0 = p_cnProcBuf[lut_idxCnProcG3[j][1] + i];
// zmm0 = p_cnProcBuf[(lut_idxCnProcG3[j][1]/2) + i];
zmm0 = pj1[i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
@@ -150,14 +150,14 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
zmm0 = p_cnProcBuf[lut_idxCnProcG4[j][0]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG4[j][0]/2) + i];
sgn = _mm512_xor_si512(*p_ones, zmm0);
min = _mm512_abs_epi8(zmm0);
// Loop over BNs
for (k=1; k<3; k++)
{
zmm0 = p_cnProcBuf[lut_idxCnProcG4[j][k]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG4[j][k]/2) + i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
}
@@ -199,14 +199,14 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
zmm0 = p_cnProcBuf[lut_idxCnProcG5[j][0]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG5[j][0]/2) + i];
sgn = _mm512_xor_si512(*p_ones, zmm0);
min = _mm512_abs_epi8(zmm0);
// Loop over BNs
for (k=1; k<4; k++)
{
zmm0 = p_cnProcBuf[lut_idxCnProcG5[j][k]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG5[j][k]/2) + i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
}
@@ -249,14 +249,14 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
zmm0 = p_cnProcBuf[lut_idxCnProcG6[j][0]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG6[j][0]/2) + i];
sgn = _mm512_xor_si512(*p_ones, zmm0);
min = _mm512_abs_epi8(zmm0);
// Loop over BNs
for (k=1; k<5; k++)
{
zmm0 = p_cnProcBuf[lut_idxCnProcG6[j][k]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG6[j][k]/2) + i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
}
@@ -300,14 +300,14 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
zmm0 = p_cnProcBuf[lut_idxCnProcG8[j][0]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG8[j][0]/2) + i];
sgn = _mm512_xor_si512(*p_ones, zmm0);
min = _mm512_abs_epi8(zmm0);
// Loop over BNs
for (k=1; k<7; k++)
{
zmm0 = p_cnProcBuf[lut_idxCnProcG8[j][k]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG8[j][k]/2) + i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
}
@@ -352,14 +352,14 @@ static inline void nrLDPC_cnProc_BG2_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
zmm0 = p_cnProcBuf[lut_idxCnProcG10[j][0]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG10[j][0]/2) + i];
sgn = _mm512_xor_si512(*p_ones, zmm0);
min = _mm512_abs_epi8(zmm0);
// Loop over BNs
for (k=1; k<9; k++)
{
zmm0 = p_cnProcBuf[lut_idxCnProcG10[j][k]/2 + i];
zmm0 = p_cnProcBuf[(lut_idxCnProcG10[j][k]/2) + i];
min = _mm512_min_epu8(min, _mm512_abs_epi8(zmm0));
sgn = _mm512_xor_si512(sgn, zmm0);
}
@@ -736,10 +736,10 @@ static inline void nrLDPC_cnProc_BG1_AVX512(t_nrLDPC_lut* p_lut, t_nrLDPC_procBu
// Offset to each bit within a group in terms of 32 Byte
uint32_t bitOffsetInGroup;
__m512i zmm0, min, sgn, zeros,maxLLR;
__m512i zmm0, min, sgn, zeros;
zeros = _mm512_setzero_si512();
maxLLR = _mm512_set1_epi8((char)127);
// maxLLR = _mm512_set1_epi8((char)127);
__m512i* p_cnProcBufResBit;