Merge remote-tracking branch 'origin/NCTU_OpinConnect_LDPC' into develop_integration_2020_w34

openair1/PHY/CODING/TESTBENCH/ldpctest.c

@@ -396,17 +396,17 @@ int test_ldpc(short No_iteration,
       decParams.numMaxIter=No_iteration;
       decParams.outMode = nrLDPC_outMode_BIT;
       //decParams.outMode =nrLDPC_outMode_LLRINT8;
-
-
-      for(j=0;j<n_segments;j++) {
+#ifdef CUDA_FLAG
+	  set_compact_BG(Zc,BG);
+	  init_LLR_DMA_for_CUDA(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], block_length);
+#endif
+	  for(j=0;j<n_segments;j++) {
     	  start_meas(time_decoder);
 #ifdef CUDA_FLAG
         if(run_cuda){
-          printf("***********run ldpc by cuda\n");
           n_iter = nrLDPC_decoder_LYC(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], block_length, time_decoder);
         }  
         else{ 
-          printf("**************run ldpc by cpu\n");  
         // 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));
@@ -516,6 +516,9 @@ int test_ldpc(short No_iteration,
 
 int main(int argc, char *argv[])
 {
+#ifdef CUDA_FLAG	
+  warmup_for_GPU();
+#endif
   unsigned int errors, errors_bit, crc_misses;
   double errors_bit_uncoded;
   short block_length=8448; // decoder supports length: 1201 -> 1280, 2401 -> 2560

openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h

@@ -23,4 +23,12 @@
 
 int32_t nrLDPC_decoder_LYC(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out, int block_length, time_stats_t *time_decoder);
 
+
+void init_LLR_DMA_for_CUDA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out, int block_length);
+
+void warmup_for_GPU(void);
+
+void set_compact_BG(int Zc, short BG);
+
+
 #endif