patch 2 from Milan Zivkovic (Nokia Bell Labs)

openair1/PHY/CODING/TESTBENCH/ldpctest.c

@@ -310,12 +310,18 @@ int test_ldpc(short No_iteration,
     }
     stop_meas(&time);
 
-    start_meas(time_optim);
+/*    start_meas(time_optim);
     ldpc_encoder_optim_8seg(test_input,channel_input_optim,block_length,BG,n_segments,&tinput,&tprep,&tparity,&toutput);
-    /*for(j=0;j<n_segments;j++) {
+    for(j=0;j<n_segments;j++) {
       ldpc_encoder_optim(test_input[j],channel_input_optim[j],block_length,BG,&tinput,&tprep,&tparity,&toutput);
-      }*/
+      }
+    stop_meas(time_optim);*/
+
+    for(j=0;j<(n_segments%8+1);j++) {
+    	start_meas(time_optim);
+    	ldpc_encoder_optim_8seg_multi(test_input,channel_input_optim,block_length, BG, n_segments,j,&tinput,&tprep,&tparity,&toutput);
     	stop_meas(time_optim);
+    }
     
     if (ntrials==1)    
       for (j=0;j<n_segments;j++)
@@ -398,15 +404,18 @@ int test_ldpc(short No_iteration,
       decParams.outMode = nrLDPC_outMode_BIT;
       //decParams.outMode =nrLDPC_outMode_LLRINT8;
 
-      start_meas(time_decoder);
+
       for(j=0;j<n_segments;j++) {
+    	  start_meas(time_decoder);
       // decode the sequence
       // decoder supports BG2, Z=128 & 256
       //esimated_output=ldpc_decoder(channel_output_fixed, block_length, No_iteration, (double)((float)nom_rate/(float)denom_rate));
       ///nrLDPC_decoder(&decParams, channel_output_fixed, estimated_output, NULL);
 	n_iter = nrLDPC_decoder(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], p_decoder_profiler);
-      }
+      
 	stop_meas(time_decoder);
+      }
+
 
       //for (i=(Kb+nrows) * Zc-5;i<(Kb+nrows) * Zc;i++)
       //  printf("esimated_output[%d]=%d\n",i,esimated_output[i]);
@@ -528,8 +537,6 @@ int main(int argc, char *argv[])
   time_stats_t time_optim[10], time_decoder[10];
   n_iter_stats_t dec_iter[3];
 
-
-
   short BG,Zc,Kb;
 
   while ((c = getopt (argc, argv, "q:r:s:S:l:n:d:i:t:u:h")) != -1)

openair1/PHY/CODING/nrLDPC_encoder/defs.h

@@ -38,6 +38,7 @@ int encode_parity_check_part_orig(unsigned char *c,unsigned char *d, short BG,sh
 void encode_parity_check_part_optim(uint8_t *c,uint8_t *d, short BG,short Zc,short Kb);
 int ldpc_encoder_optim(unsigned char *test_input,unsigned char *channel_input,short block_length,short BG,time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput);
 int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_input,short block_length,short BG,int n_segments,time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput);
+int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **channel_input,short block_length, short BG, int n_segments,unsigned int macro_num, time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput);
 
 /*ldpc_generate_coefficient.c*/
 int ldpc_encoder_orig(unsigned char *test_input,unsigned char *channel_input,short block_length,short BG,unsigned char gen_code);

openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c

@@ -518,10 +518,10 @@ int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_i
   return 0;
 }
 
-int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **channel_input,short block_length,int nom_rate,int denom_rate,int n_segments,unsigned int macro_num, time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput)
+int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **channel_input,short block_length, short BG, int n_segments,unsigned int macro_num, time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput)
 {
 
-  short BG,Zc,Kb,nrows,ncols;
+  short Zc,Kb,nrows,ncols;
   int i,i1,j;
   int no_punctured_columns,removed_bit;
   //Table of possible lifting sizes
@@ -555,14 +555,14 @@ int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **cha
   ///AssertFatal(n_segments>0&&n_segments<=8,"0 < n_segments %d <= 8\n",n_segments);
 
   //determine number of bits in codeword
-  if (block_length>3840)
+  if (BG==1)
     {
       BG=1;
       Kb = 22;
       nrows=46; //parity check bits
       ncols=22; //info bits
     }
-    else if (block_length<=3840)
+    else if (BG==2)
     {
       BG=2;
       nrows=42; //parity check bits