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merge from Laurent's TX-optimization-lts (cherry-picked dlsch_encoding component)

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Raymond Knopp
2021-10-31 22:43:20 +01:00
parent a9d49ef018
commit 64e610361f
17 changed files with 293 additions and 413 deletions
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openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder_optim.c
+1 -17
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@@ -86,8 +86,6 @@ int nrLDPC_encod(unsigned char **test_input,unsigned char **channel_input,int Zc
unsigned char c[22*Zc] __attribute__((aligned(32))); //padded input, unpacked, max size
unsigned char d[46*Zc] __attribute__((aligned(32))); //coded parity part output, unpacked, max size
unsigned char c_extension[2*22*Zc*simd_size] __attribute__((aligned(32))); //double size matrix of c
// calculate number of punctured bits
no_punctured_columns=(int)((nrows-2)*Zc+block_length-block_length*rate)/Zc;
removed_bit=(nrows-no_punctured_columns-2) * Zc+block_length-(int)(block_length*rate);
@@ -108,24 +106,10 @@ int nrLDPC_encod(unsigned char **test_input,unsigned char **channel_input,int Zc
if ((BG==1 && Zc>176) || (BG==2 && Zc>64)) {
// extend matrix
if(impp->tprep != NULL) start_meas(impp->tprep);
for (i1=0; i1 < ncols; i1++)
{
memcpy(&c_extension[2*i1*Zc], &c[i1*Zc], Zc*sizeof(unsigned char));
memcpy(&c_extension[(2*i1+1)*Zc], &c[i1*Zc], Zc*sizeof(unsigned char));
}
for (i1=1;i1<simd_size;i1++) {
memcpy(&c_extension[(2*ncols*Zc*i1)], &c_extension[i1], (2*ncols*Zc*sizeof(unsigned char))-i1);
// memset(&c_extension[(2*ncols*Zc*i1)],0,i1);
/*
printf("shift %d: ",i1);
for (int j=0;j<64;j++) printf("%d ",c_extension[(2*ncols*Zc*i1)+j]);
printf("\n");
*/
}
if(impp->tprep != NULL) stop_meas(impp->tprep);
//parity check part
if(impp->tparity != NULL) start_meas(impp->tparity);
encode_parity_check_part_optim(c_extension, d, BG, Zc, Kb);
encode_parity_check_part_optim(c, d, BG, Zc, Kb,simd_size, ncols);
if(impp->tparity != NULL) stop_meas(impp->tparity);
}
else {