maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

* add test case 02 for performance benchmarking of the softmodem

Browse Source 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5328 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Navid Nikaein
2014-05-19 09:50:19 +00:00
parent 2c44579516
commit eda87e60d6
5 changed files with 279 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/SIMULATION/LTE_PHY/ulsim.c
+131 -19
View File
@@ -194,25 +194,28 @@ int main(int argc, char **argv) {
unsigned int coded_bits_per_codeword,nsymb;
int subframe=3;
unsigned int tx_lev=0,tx_lev_dB,trials,errs[4]={0,0,0,0},round_trials[4]={0,0,0,0};
uint8_t transmission_mode=1,n_rx=1;
uint8_t transmission_mode=1,n_rx=1,n_tx=1;
FILE *bler_fd;
FILE *bler_fd=NULL;
char bler_fname[512];
FILE *time_meas_fd=NULL;
char time_meas_fname[256];
FILE *input_fdUL=NULL,*trch_out_fdUL=NULL;
// unsigned char input_file=0;
char input_val_str[50],input_val_str2[50];
// FILE *rx_frame_file;
FILE *csv_fdUL;
FILE *csv_fdUL=NULL;
FILE *fperen;
FILE *fperen=NULL;
char fperen_name[512];
FILE *fmageren;
FILE *fmageren=NULL;
char fmageren_name[512];
FILE *flogeren;
FILE *flogeren=NULL;
char flogeren_name[512];
/* FILE *ftxlev;
@@ -246,7 +249,11 @@ int main(int argc, char **argv) {
uint32_t UL_alloc_pdu;
int s,Kr,Kr_bytes;
int dump_perf=0;
int test_perf=0;
double effective_rate=0.0;
char channel_model_input[10];
uint8_t max_turbo_iterations=4;
uint8_t llr8_flag=0;
int nb_rb_set = 0;
@@ -260,7 +267,7 @@ int main(int argc, char **argv) {
logInit();
while ((c = getopt (argc, argv, "hapbm:n:Y:X:s:w:e:q:d:D:c:r:i:f:y:c:oA:C:R:g:N:l:S:T:QB:PI:L")) != -1) {
while ((c = getopt (argc, argv, "hapbm:n:Y:X:x:s:w:e:q:d:D:O:c:r:i:f:y:c:oA:C:R:g:N:l:S:T:QB:PI:L")) != -1) {
switch (c) {
case 'a':
channel_model = AWGN;
@@ -288,6 +295,7 @@ int main(int argc, char **argv) {
abstx= atoi(optarg);
break;
case 'g':
sprintf(channel_model_input,optarg,10);
switch((char)*optarg) {
case 'A':
channel_model=SCM_A;
@@ -341,6 +349,10 @@ int main(int argc, char **argv) {
channel_model=Rice1;
chMod = 14;
break;
case 'N':
channel_model=AWGN;
chMod = 1;
break;
default:
msg("Unsupported channel model!\n");
exit(-1);
@@ -356,6 +368,17 @@ int main(int argc, char **argv) {
case 'e':
input_snr_step= atof(optarg);
break;
case 'x':
transmission_mode=atoi(optarg);
if ((transmission_mode!=1) &&
(transmission_mode!=2)) {
msg("Unsupported transmission mode %d\n",transmission_mode);
exit(-1);
}
if (transmission_mode>1) {
n_tx = 1;
}
break;
case 'y':
n_rx = atoi(optarg);
break;
@@ -428,6 +451,10 @@ int main(int argc, char **argv) {
dump_perf=1;
opp_enabled=1;
break;
case 'O':
test_perf=atoi(optarg);
//print_perf =1;
break;
case 'L':
llr8_flag=1;
break;
@@ -487,6 +514,13 @@ int main(int argc, char **argv) {
bler_fd = fopen(bler_fname,"w");
fprintf(bler_fd,"#SNR;mcs;nb_rb;TBS;rate;errors[0];trials[0];errors[1];trials[1];errors[2];trials[2];errors[3];trials[3]\n");
if (test_perf != 0) {
sprintf(time_meas_fname,"%s/TEST/OAI/PERF/time_meas_prb%d_mcs%d_antrx%d_channel%s_tx%d.csv",
getenv("OPENAIR_TARGETS"),
N_RB_DL,mcs,n_rx,channel_model_input,transmission_mode);
time_meas_fd = fopen(time_meas_fname,"w");
}
if(abstx){
sprintf(fperen_name,"ULchan_estims_F_mcs%d_rb%d_chanMod%d_nframes%d_chanReal%d.m",mcs,nb_rb,chMod,n_frames,n_ch_rlz);
@@ -807,6 +841,7 @@ int main(int argc, char **argv) {
}
avg_iter = 0; iter_trials=0;
reset_meas(&PHY_vars_UE->phy_proc_tx);
reset_meas(&PHY_vars_UE->ofdm_mod_stats);
reset_meas(&PHY_vars_UE->ulsch_modulation_stats);
reset_meas(&PHY_vars_UE->ulsch_encoding_stats);
@@ -815,6 +850,8 @@ int main(int argc, char **argv) {
reset_meas(&PHY_vars_UE->ulsch_turbo_encoding_stats);
reset_meas(&PHY_vars_UE->ulsch_segmentation_stats);
reset_meas(&PHY_vars_UE->ulsch_multiplexing_stats);
reset_meas(&PHY_vars_eNB->phy_proc_rx);
reset_meas(&PHY_vars_eNB->ofdm_demod_stats);
reset_meas(&PHY_vars_eNB->ulsch_channel_estimation_stats);
reset_meas(&PHY_vars_eNB->ulsch_freq_offset_estimation_stats);
@@ -877,6 +914,9 @@ int main(int argc, char **argv) {
///////////////////////////////////////
if (input_fdUL == NULL) {
start_meas(&PHY_vars_UE->phy_proc_tx);
#ifdef OFDMA_ULSCH
if (srs_flag)
generate_srs_tx(PHY_vars_UE,0,AMP,subframe);
@@ -925,7 +965,7 @@ int main(int argc, char **argv) {
PHY_vars_UE->ulsch_ue[0]);
#endif
stop_meas(&PHY_vars_UE->ulsch_modulation_stats);
if (n_frames==1) {
write_output("txsigF0UL.m","txsF0", &PHY_vars_UE->lte_ue_common_vars.txdataF[0][PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size*nsymb*subframe],PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size*nsymb,1,1);
//write_output("txsigF1.m","txsF1", PHY_vars_UE->lte_ue_common_vars.txdataF[0],FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX,1,1);
@@ -954,7 +994,7 @@ int main(int argc, char **argv) {
#endif
stop_meas(&PHY_vars_UE->ofdm_mod_stats);
stop_meas(&PHY_vars_UE->phy_proc_tx);
tx_lev += signal_energy(&txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],
PHY_vars_eNB->lte_frame_parms.samples_per_tti);
@@ -1067,7 +1107,7 @@ int main(int argc, char **argv) {
#endif
start_meas(&PHY_vars_eNB->phy_proc_rx);
start_meas(&PHY_vars_eNB->ofdm_demod_stats);
lte_eNB_I0_measurements(PHY_vars_eNB,
0,
@@ -1123,7 +1163,7 @@ int main(int argc, char **argv) {
1, // Nbundled
llr8_flag);
stop_meas(&PHY_vars_eNB->ulsch_decoding_stats);
stop_meas(&PHY_vars_eNB->phy_proc_rx);
if (cqi_flag > 0) {
cqi_error = 0;
if (PHY_vars_eNB->ulsch_eNB[0]->Or1 < 32) {
@@ -1215,22 +1255,24 @@ int main(int argc, char **argv) {
dB_fixed(PHY_vars_eNB->lte_eNB_pusch_vars[0]->ulsch_power[1]),
PHY_vars_eNB->PHY_measurements_eNB->n0_power_dB[0],
PHY_vars_eNB->PHY_measurements_eNB->n0_power_dB[1]);
effective_rate = ((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3]));
printf("Errors (%d/%d %d/%d %d/%d %d/%d), Pe = (%e,%e,%e,%e) => effective rate %f (%3.1f%%,%f), normalized delay %f (%f)\n",
errs[0],
round_trials[0],
errs[1],
round_trials[0],
round_trials[1],
errs[2],
round_trials[0],
round_trials[2],
errs[3],
round_trials[0],
round_trials[3],
(double)errs[0]/(round_trials[0]),
(double)errs[1]/(round_trials[0]),
(double)errs[2]/(round_trials[0]),
(double)errs[3]/(round_trials[0]),
rate*((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3])),
100*((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3])),
rate*effective_rate,
100*effective_rate,
rate,
(1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0])/(double)PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS,
(1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0]));
@@ -1263,6 +1305,7 @@ int main(int argc, char **argv) {
if (dump_perf==1) {
printf("UE TX function statistics (per 1ms subframe)\n\n");
printf("Total PHY proc tx :%f us (%d trials)\n",(double)PHY_vars_UE->phy_proc_tx.diff/PHY_vars_UE->phy_proc_tx.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->phy_proc_tx.trials);
printf("OFDM_mod time :%f us (%d trials)\n",(double)PHY_vars_UE->ofdm_mod_stats.diff/PHY_vars_UE->ofdm_mod_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ofdm_mod_stats.trials);
printf("ULSCH modulation time :%f us (%d trials)\n",(double)PHY_vars_UE->ulsch_modulation_stats.diff/PHY_vars_UE->ulsch_modulation_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_modulation_stats.trials);
printf("ULSCH encoding time :%f us (%d trials)\n",(double)PHY_vars_UE->ulsch_encoding_stats.diff/PHY_vars_UE->ulsch_encoding_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_encoding_stats.trials);
@@ -1273,6 +1316,7 @@ int main(int argc, char **argv) {
printf("|__ ULSCH multiplexing time :%f us (%d trials)\n",((double)PHY_vars_UE->ulsch_multiplexing_stats.trials/PHY_vars_UE->ulsch_encoding_stats.trials)*(double)PHY_vars_UE->ulsch_multiplexing_stats.diff/PHY_vars_UE->ulsch_multiplexing_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_multiplexing_stats.trials);
printf("\n\neNB RX function statistics (per 1ms subframe)\n\n");
printf("Total PHY proc rx :%f us (%d trials)\n",(double)PHY_vars_eNB->phy_proc_rx.diff/PHY_vars_eNB->phy_proc_rx.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->phy_proc_rx.trials);
printf("OFDM_demod time :%f us (%d trials)\n",(double)PHY_vars_eNB->ofdm_demod_stats.diff/PHY_vars_eNB->ofdm_demod_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ofdm_demod_stats.trials);
printf("ULSCH demodulation time :%f us (%d trials)\n",(double)PHY_vars_eNB->ulsch_demodulation_stats.diff/PHY_vars_eNB->ulsch_demodulation_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_demodulation_stats.trials);
printf("ULSCH Decoding time (%.2f Mbit/s, avg iter %f) :%f us (%d trials, max %f)\n",
@@ -1338,7 +1382,73 @@ int main(int argc, char **argv) {
} //ABStraction
if ( (test_perf != 0) && (100 * effective_rate > test_perf )) {
fprintf(time_meas_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3\n");
fprintf(time_meas_fd,"%f;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d\n",
SNR,
mcs,
PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS,
rate,
errs[0],
round_trials[0],
errs[1],
round_trials[1],
errs[2],
round_trials[2],
errs[3],
round_trials[3]);
fprintf(time_meas_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3;ND;\n");
fprintf(time_meas_fd,"%f;%d;%d;%f(%2.1f%%,%f);%d;%d;%d;%d;%d;%d;%d;%d;(%e,%e,%e,%e);%f(%f);\n",
SNR,
mcs,
PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS,
rate*effective_rate,
100*effective_rate,
rate,
errs[0],
round_trials[0],
errs[1],
round_trials[1],
errs[2],
round_trials[2],
errs[3],
round_trials[3],
(double)errs[0]/(round_trials[0]),
(double)errs[1]/(round_trials[0]),
(double)errs[2]/(round_trials[0]),
(double)errs[3]/(round_trials[0]),
(1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0])/(double)PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS,
(1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0]));
fprintf(time_meas_fd,"UE_PROC_TX(%d); OFDM_MOD(%d); UL_MOD(%d); UL_ENC(%d); eNB_PROC_RX(%d); OFDM_DEMOD(%d); UL_DEMOD(%d); UL_DECOD(%d);\n",
PHY_vars_UE->phy_proc_tx.trials,
PHY_vars_UE->ofdm_mod_stats.trials,
PHY_vars_UE->ulsch_modulation_stats.trials,
PHY_vars_UE->ulsch_encoding_stats.trials,
PHY_vars_eNB->phy_proc_rx.trials,
PHY_vars_eNB->ofdm_demod_stats.trials,
PHY_vars_eNB->ulsch_demodulation_stats.trials,
PHY_vars_eNB->ulsch_decoding_stats.trials
);
fprintf(time_meas_fd,"%f;%f;%f;%f;%f;%f;%f;%f",
get_time_meas_us(&PHY_vars_UE->phy_proc_tx),
get_time_meas_us(&PHY_vars_UE->ofdm_mod_stats),
get_time_meas_us(&PHY_vars_UE->ulsch_modulation_stats),
get_time_meas_us(&PHY_vars_UE->ulsch_encoding_stats),
get_time_meas_us(&PHY_vars_eNB->phy_proc_rx),
get_time_meas_us(&PHY_vars_eNB->ofdm_demod_stats),
get_time_meas_us(&PHY_vars_eNB->ulsch_demodulation_stats),
get_time_meas_us(&PHY_vars_eNB->ulsch_decoding_stats)
);
printf("[passed] effective rate : %f (%2.1f%%,%f)): log and break \n",rate*effective_rate, 100*effective_rate, rate );
break;
} else if (test_perf !=0 ){
printf("[continue] effective rate : %f (%2.1f%%,%f)): increase snr \n",rate*effective_rate, 100*effective_rate, rate);
}
if (((double)errs[0]/(round_trials[0]))<1e-2)
break;
} // SNR
@@ -1377,6 +1487,8 @@ int main(int argc, char **argv) {
fclose(csv_fdUL);
}
fclose(bler_fd);
if (test_perf !=0)
fclose (time_meas_fd);
printf("Freeing channel I/O\n");
for (i=0;i<2;i++) {