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This commit is contained in:
Raymond Knopp
2019-09-11 10:57:31 +02:00
parent adf76a5f51
commit b2bdf7eb9a
9 changed files with 361 additions and 80 deletions
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openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_cnProc.h
+10 -4
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@@ -87,23 +87,29 @@ static inline void nrLDPC_cnProc_BG2(t_nrLDPC_lut* p_lut, t_nrLDPC_procBuf* p_pr
// Set of results pointer to correct BN address
p_cnProcBufResBit = p_cnProcBufRes + (j*bitOffsetInGroup);
__m256i *pj0 = &p_cnProcBuf[lut_idxCnProcG3[j][0]];
__m256i *pj1 = &p_cnProcBuf[lut_idxCnProcG3[j][1]];
// Loop over CNs
for (i=0; i<M; i++)
{
// Abs and sign of 32 CNs (first BN)
ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][0] + i];
// ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][0] + i];
ymm0 = pj0[i];
sgn = _mm256_sign_epi8(*p_ones, ymm0);
min = _mm256_abs_epi8(ymm0);
// 32 CNs of second BN
ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][1] + i];
// ymm0 = p_cnProcBuf[lut_idxCnProcG3[j][1] + i];
ymm0 = pj1[i];
min = _mm256_min_epu8(min, _mm256_abs_epi8(ymm0));
sgn = _mm256_sign_epi8(sgn, ymm0);
// Store result
min = _mm256_min_epu8(min, *p_maxLLR); // 128 in epi8 is -127
*p_cnProcBufResBit = _mm256_sign_epi8(min, sgn);
p_cnProcBufResBit++;
//*p_cnProcBufResBit = _mm256_sign_epi8(min, sgn);
//p_cnProcBufResBit++;
p_cnProcBufResBit[i]=_mm256_sign_epi8(min, sgn);
}
}
}