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Commit 57bb4535 authored by root's avatar root
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Apply multi threads to LDPC

parent 7ad85a6b
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Showing with 355 additions and 42 deletions
openair1/PHY/LTE_TRANSPORT/dlsch_coding.c
View file @ 57bb4535
...@@ -45,7 +45,7 @@ ...@@ -45,7 +45,7 @@
//#define DEBUG_DLSCH_CODING //#define DEBUG_DLSCH_CODING
//#define DEBUG_DLSCH_FREE 1 //#define DEBUG_DLSCH_FREE 1
#define TD_DECODING //#define TD_DECODING
/* /*
#define is_not_pilot(pilots,first_pilot,re) (pilots==0) || \ #define is_not_pilot(pilots,first_pilot,re) (pilots==0) || \
......
openair1/PHY/LTE_TRANSPORT/dlsch_decoding.c
View file @ 57bb4535
...@@ -40,7 +40,7 @@ ...@@ -40,7 +40,7 @@
#include "PHY/CODING/nrLDPC_decoder.h" #include "PHY/CODING/nrLDPC_decoder.h"
#include "PHY/CODING/nrLDPC_types.h" #include "PHY/CODING/nrLDPC_types.h"
//#define DEBUG_DLSCH_DECODING //#define DEBUG_DLSCH_DECODING
#define TD_DECODING //#define TD_DECODING
#define OAI_LDPC_MAX_NUM_LLR 26112 // NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX #define OAI_LDPC_MAX_NUM_LLR 26112 // NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX
...@@ -941,12 +941,30 @@ uint32_t dlsch_decoding_mthread(PHY_VARS_UE *phy_vars_ue, ...@@ -941,12 +941,30 @@ uint32_t dlsch_decoding_mthread(PHY_VARS_UE *phy_vars_ue,
uint32_t r,r_offset=0,Kr,Kr_bytes,err_flag=0; uint32_t r,r_offset=0,Kr,Kr_bytes,err_flag=0;
uint8_t crc_type; uint8_t crc_type;
//UE_rxtx_proc_t *proc = &phy_vars_ue->proc; //UE_rxtx_proc_t *proc = &phy_vars_ue->proc;
int32_t no_iteration_ldpc;
int Cby2; int Cby2;
/*uint8_t C; /*uint8_t C;
uint8_t Qm; uint8_t Qm;
uint8_t Nl; uint8_t Nl;
uint8_t r_thread; uint8_t r_thread;
uint32_t Er, Gp,GpmodC;*/ uint32_t Er, Gp,GpmodC;*/
t_nrLDPC_dec_params decParams;
t_nrLDPC_dec_params* p_decParams = &decParams;
t_nrLDPC_time_stats procTime;
t_nrLDPC_time_stats* p_procTime =&procTime ;
int16_t z [68*384];
int8_t l [68*384];
//__m128i l;
int16_t inv_d [68*384];
int16_t *p_invd =&inv_d;
uint32_t i,j;
uint32_t k;
__m128i *pv = (__m128i*)&z;
__m128i *pl = (__m128i*)&l;
#ifdef DEBUG_DLSCH_DECODING #ifdef DEBUG_DLSCH_DECODING
uint16_t i; uint16_t i;
#endif #endif
...@@ -1065,19 +1083,41 @@ uint32_t dlsch_decoding_mthread(PHY_VARS_UE *phy_vars_ue, ...@@ -1065,19 +1083,41 @@ uint32_t dlsch_decoding_mthread(PHY_VARS_UE *phy_vars_ue,
// printf("DLSCH Decoding, harq_pid %d Ndi %d\n",harq_pid,harq_process->Ndi); // printf("DLSCH Decoding, harq_pid %d Ndi %d\n",harq_pid,harq_process->Ndi);
if (harq_process->round == 0) { if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation // This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24; harq_process->B = A+24;
lte_segmentation(NULL, #ifdef TD_DECODING
NULL, lte_segmentation(NULL,
harq_process->B, NULL,
&harq_process->C, harq_process->B,
&harq_process->Cplus, &harq_process->C,
&harq_process->Cminus, &harq_process->Cplus,
&harq_process->Kplus, &harq_process->Cminus,
&harq_process->Kminus, &harq_process->Kplus,
&harq_process->F); &harq_process->Kminus,
// CLEAR LLR's HERE for first packet in process &harq_process->F);
} // CLEAR LLR's HERE for first packet in process
#else
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->Kplus,
&harq_process->Kminus,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
printf("dlsch decoding nr segmentation Z %d\n", p_decParams->Z);
printf("Kplus %d C %d nl %d \n", harq_process->Kplus, harq_process->C, harq_process->Nl);
#endif
}
// p_decParams->Z = 128;
p_decParams->BG = 1;
p_decParams->R = 13;
p_decParams->numMaxIter = 5;
Kr = p_decParams->Z*22;
p_decParams->outMode= 0;
/* /*
else { else {
...@@ -1251,10 +1291,14 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment ...@@ -1251,10 +1291,14 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
for (r=0; r<Cby2; r++) { for (r=0; r<Cby2; r++) {
// Get Turbo interleaver parameters // Get Turbo interleaver parameters
if (r<harq_process->Cminus) #ifdef TD_DECODING
if (r<harq_process->Cminus)
Kr = harq_process->Kminus; Kr = harq_process->Kminus;
else else
Kr = harq_process->Kplus; Kr = harq_process->Kplus;
#else
Kr = harq_process->Kplus;
#endif
Kr_bytes = Kr>>3; Kr_bytes = Kr>>3;
...@@ -1390,6 +1434,7 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment ...@@ -1390,6 +1434,7 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
start_meas(dlsch_turbo_decoding_stats); start_meas(dlsch_turbo_decoding_stats);
#endif #endif
LOG_I(PHY,"mthread AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,nr_tti_rx,r,harq_process->C-1); LOG_I(PHY,"mthread AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,nr_tti_rx,r,harq_process->C-1);
#ifdef TD_DECODING
ret = tc ret = tc
(&harq_process->d[r][96], (&harq_process->d[r][96],
harq_process->c[r], harq_process->c[r],
...@@ -1409,6 +1454,68 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment ...@@ -1409,6 +1454,68 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
printf("main thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]); printf("main thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#else
memset(pv,0,2*p_decParams->Z*sizeof(int16_t));
//memset(pl,0,2*p_decParams->Z*sizeof(int8_t));
//if (A < 1000){
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)(&inv_d[8*j]));
}
/*}
else{
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)&harq_process->d[r][96+8*j]);
}
}*/
for (i=0, j=0; j < (68*p_decParams->Z/16); i+=2, j++)
{
//printf("mm packs i %d j %d\n", i, j);
//print128_num(pv[i]);
//print128_num(pv[i+1]);
pl[j] = _mm_packs_epi16(pv[i],pv[i+1]);
//print128_num2bytes(pl[j]);
}
no_iteration_ldpc = nrLDPC_decoder(p_decParams,
&pl[0],
llrProcBuf,
p_procTime);
if (no_iteration_ldpc > 2)
printf("Error number of iteration LPDC %d\n", no_iteration_ldpc);
else
printf("OK number of iteration LPDC %d\n", no_iteration_ldpc);
for (int m=0; m < Kr>>3; m ++)
{
harq_process->c[r][m]= (uint8_t) llrProcBuf[m];
}
/*for (int u=0; u < Kr>>3; u ++)
{
ullrProcBuf[u]= (uint8_t) llrProcBuf[u];
}
printf("output unsigned ullrProcBuf \n");
for (int j=0; j < Kr>>3; j ++)
{
printf(" %d \n", ullrProcBuf[j]);
}
printf(" \n");*/
#endif
printf("output channel decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
//printf("output decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#if UE_TIMING_TRACE #if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats); stop_meas(dlsch_turbo_decoding_stats);
...@@ -1708,6 +1815,22 @@ uint32_t dlsch_decoding_2thread0(void *arg) ...@@ -1708,6 +1815,22 @@ uint32_t dlsch_decoding_2thread0(void *arg)
PHY_VARS_UE *phy_vars_ue = rtd->UE; PHY_VARS_UE *phy_vars_ue = rtd->UE;
int llr8_flag1; int llr8_flag1;
int32_t no_iteration_ldpc;
t_nrLDPC_dec_params decParams;
t_nrLDPC_dec_params* p_decParams = &decParams;
t_nrLDPC_time_stats procTime;
t_nrLDPC_time_stats* p_procTime =&procTime ;
int16_t z [68*384];
int8_t l [68*384];
//__m128i l;
int16_t inv_d [68*384];
int16_t *p_invd =&inv_d;
uint32_t i,j;
uint32_t k;
__m128i *pv = (__m128i*)&z;
__m128i *pl = (__m128i*)&l;
proc->instance_cnt_dlsch_td=-1; proc->instance_cnt_dlsch_td=-1;
proc->nr_tti_rx=proc->sub_frame_start; proc->nr_tti_rx=proc->sub_frame_start;
...@@ -1856,17 +1979,39 @@ uint32_t dlsch_decoding_2thread0(void *arg) ...@@ -1856,17 +1979,39 @@ uint32_t dlsch_decoding_2thread0(void *arg)
if (harq_process->round == 0) { if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation // This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24; harq_process->B = A+24;
lte_segmentation(NULL, #ifdef TD_DECODING
NULL, lte_segmentation(NULL,
harq_process->B, NULL,
&harq_process->C, harq_process->B,
&harq_process->Cplus, &harq_process->C,
&harq_process->Cminus, &harq_process->Cplus,
&harq_process->Kplus, &harq_process->Cminus,
&harq_process->Kminus, &harq_process->Kplus,
&harq_process->F); &harq_process->Kminus,
// CLEAR LLR's HERE for first packet in process &harq_process->F);
} // CLEAR LLR's HERE for first packet in process
#else
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->Kplus,
&harq_process->Kminus,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
printf("dlsch decoding nr segmentation Z %d\n", p_decParams->Z);
printf("Kplus %d C %d nl %d \n", harq_process->Kplus, harq_process->C, harq_process->Nl);
#endif
}
// p_decParams->Z = 128;
p_decParams->BG = 1;
p_decParams->R = 13;
p_decParams->numMaxIter = 5;
Kr = p_decParams->Z*22;
p_decParams->outMode= 0;
/* /*
else { else {
...@@ -1931,10 +2076,14 @@ uint32_t dlsch_decoding_2thread0(void *arg) ...@@ -1931,10 +2076,14 @@ uint32_t dlsch_decoding_2thread0(void *arg)
// Get Turbo interleaver parameters // Get Turbo interleaver parameters
if (r<harq_process->Cminus) #ifdef TD_DECODING
if (r<harq_process->Cminus)
Kr = harq_process->Kminus; Kr = harq_process->Kminus;
else else
Kr = harq_process->Kplus; Kr = harq_process->Kplus;
#else
Kr = harq_process->Kplus;
#endif
Kr_bytes = Kr>>3; Kr_bytes = Kr>>3;
...@@ -2069,7 +2218,8 @@ uint32_t dlsch_decoding_2thread0(void *arg) ...@@ -2069,7 +2218,8 @@ uint32_t dlsch_decoding_2thread0(void *arg)
start_meas(dlsch_turbo_decoding_stats); start_meas(dlsch_turbo_decoding_stats);
#endif #endif
// LOG_D(PHY,"AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1); // LOG_D(PHY,"AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1);
ret = tc #ifdef TD_DECODING
ret = tc
(&harq_process->d[r][96], (&harq_process->d[r][96],
harq_process->c[r], harq_process->c[r],
Kr, Kr,
...@@ -2088,6 +2238,67 @@ uint32_t dlsch_decoding_2thread0(void *arg) ...@@ -2088,6 +2238,67 @@ uint32_t dlsch_decoding_2thread0(void *arg)
printf("sub thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]); printf("sub thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#else
memset(pv,0,2*p_decParams->Z*sizeof(int16_t));
//memset(pl,0,2*p_decParams->Z*sizeof(int8_t));
//if (A < 1000){
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)(&inv_d[8*j]));
}
/*}
else{
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)&harq_process->d[r][96+8*j]);
}
}*/
for (i=0, j=0; j < (68*p_decParams->Z/16); i+=2, j++)
{
//printf("mm packs i %d j %d\n", i, j);
//print128_num(pv[i]);
//print128_num(pv[i+1]);
pl[j] = _mm_packs_epi16(pv[i],pv[i+1]);
//print128_num2bytes(pl[j]);
}
no_iteration_ldpc = nrLDPC_decoder(p_decParams,
&pl[0],
llrProcBuf,
p_procTime);
if (no_iteration_ldpc > 2)
printf("Error number of iteration LPDC %d\n", no_iteration_ldpc);
else
printf("OK number of iteration LPDC %d\n", no_iteration_ldpc);
for (int m=0; m < Kr>>3; m ++)
{
harq_process->c[r][m]= (uint8_t) llrProcBuf[m];
}
/*for (int u=0; u < Kr>>3; u ++)
{
ullrProcBuf[u]= (uint8_t) llrProcBuf[u];
}
printf("output unsigned ullrProcBuf \n");
for (int j=0; j < Kr>>3; j ++)
{
printf(" %d \n", ullrProcBuf[j]);
}
printf(" \n");*/
#endif
printf("output channel decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
//printf("output decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#if UE_TIMING_TRACE #if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats); stop_meas(dlsch_turbo_decoding_stats);
...@@ -2378,6 +2589,22 @@ uint32_t dlsch_decoding_2thread1(void *arg) ...@@ -2378,6 +2589,22 @@ uint32_t dlsch_decoding_2thread1(void *arg)
PHY_VARS_UE *phy_vars_ue = rtd->UE; PHY_VARS_UE *phy_vars_ue = rtd->UE;
int llr8_flag1; int llr8_flag1;
int32_t no_iteration_ldpc;
t_nrLDPC_dec_params decParams;
t_nrLDPC_dec_params* p_decParams = &decParams;
t_nrLDPC_time_stats procTime;
t_nrLDPC_time_stats* p_procTime =&procTime ;
int16_t z [68*384];
int8_t l [68*384];
//__m128i l;
int16_t inv_d [68*384];
int16_t *p_invd =&inv_d;
uint32_t i,j;
uint32_t k;
__m128i *pv = (__m128i*)&z;
__m128i *pl = (__m128i*)&l;
proc->instance_cnt_dlsch_td1=-1; proc->instance_cnt_dlsch_td1=-1;
proc->nr_tti_rx=proc->sub_frame_start; proc->nr_tti_rx=proc->sub_frame_start;
...@@ -2526,18 +2753,39 @@ uint32_t dlsch_decoding_2thread1(void *arg) ...@@ -2526,18 +2753,39 @@ uint32_t dlsch_decoding_2thread1(void *arg)
if (harq_process->round == 0) { if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation // This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24; harq_process->B = A+24;
lte_segmentation(NULL, #ifdef TD_DECODING
NULL, lte_segmentation(NULL,
harq_process->B, NULL,
&harq_process->C, harq_process->B,
&harq_process->Cplus, &harq_process->C,
&harq_process->Cminus, &harq_process->Cplus,
&harq_process->Kplus, &harq_process->Cminus,
&harq_process->Kminus, &harq_process->Kplus,
&harq_process->F); &harq_process->Kminus,
// CLEAR LLR's HERE for first packet in process &harq_process->F);
} // CLEAR LLR's HERE for first packet in process
#else
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->Kplus,
&harq_process->Kminus,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
printf("dlsch decoding nr segmentation Z %d\n", p_decParams->Z);
printf("Kplus %d C %d nl %d \n", harq_process->Kplus, harq_process->C, harq_process->Nl);
#endif
}
// p_decParams->Z = 128;
p_decParams->BG = 1;
p_decParams->R = 13;
p_decParams->numMaxIter = 5;
Kr = p_decParams->Z*22;
p_decParams->outMode= 0;
/* /*
else { else {
printf("dlsch_decoding.c: Ndi>0 not checked yet!!\n"); printf("dlsch_decoding.c: Ndi>0 not checked yet!!\n");
...@@ -2603,10 +2851,14 @@ uint32_t dlsch_decoding_2thread1(void *arg) ...@@ -2603,10 +2851,14 @@ uint32_t dlsch_decoding_2thread1(void *arg)
// Get Turbo interleaver parameters // Get Turbo interleaver parameters
if (r<harq_process->Cminus) #ifdef TD_DECODING
if (r<harq_process->Cminus)
Kr = harq_process->Kminus; Kr = harq_process->Kminus;
else else
Kr = harq_process->Kplus; Kr = harq_process->Kplus;
#else
Kr = harq_process->Kplus;
#endif
Kr_bytes = Kr>>3; Kr_bytes = Kr>>3;
...@@ -2741,7 +2993,8 @@ uint32_t dlsch_decoding_2thread1(void *arg) ...@@ -2741,7 +2993,8 @@ uint32_t dlsch_decoding_2thread1(void *arg)
start_meas(dlsch_turbo_decoding_stats); start_meas(dlsch_turbo_decoding_stats);
#endif #endif
// LOG_D(PHY,"AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1); // LOG_D(PHY,"AbsSubframe %d.%d Start turbo segment %d/%d \n",frame%1024,subframe,r,harq_process->C-1);
ret = tc #ifdef TD_DECODING
ret = tc
(&harq_process->d[r][96], (&harq_process->d[r][96],
harq_process->c[r], harq_process->c[r],
Kr, Kr,
...@@ -2759,7 +3012,67 @@ uint32_t dlsch_decoding_2thread1(void *arg) ...@@ -2759,7 +3012,67 @@ uint32_t dlsch_decoding_2thread1(void *arg)
&phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1); &phy_vars_ue->dlsch_tc_intl2_stats); //(is_crnti==0)?harq_pid:harq_pid+1);
printf("sub thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]); printf("sub thread output channel decoder r=%d cr %d %d %d %d %d \n", r,harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#else
memset(pv,0,2*p_decParams->Z*sizeof(int16_t));
//memset(pl,0,2*p_decParams->Z*sizeof(int8_t));
//if (A < 1000){
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)(&inv_d[8*j]));
}
/*}
else{
for (i=2*p_decParams->Z/8, j = 0; i < (68*p_decParams->Z/8+1); i++, j++)
{
pv[i]= _mm_loadu_si128((__m128i*)&harq_process->d[r][96+8*j]);
}
}*/
for (i=0, j=0; j < (68*p_decParams->Z/16); i+=2, j++)
{
//printf("mm packs i %d j %d\n", i, j);
//print128_num(pv[i]);
//print128_num(pv[i+1]);
pl[j] = _mm_packs_epi16(pv[i],pv[i+1]);
//print128_num2bytes(pl[j]);
}
no_iteration_ldpc = nrLDPC_decoder(p_decParams,
&pl[0],
llrProcBuf,
p_procTime);
if (no_iteration_ldpc > 2)
printf("Error number of iteration LPDC %d\n", no_iteration_ldpc);
else
printf("OK number of iteration LPDC %d\n", no_iteration_ldpc);
for (int m=0; m < Kr>>3; m ++)
{
harq_process->c[r][m]= (uint8_t) llrProcBuf[m];
}
/*for (int u=0; u < Kr>>3; u ++)
{
ullrProcBuf[u]= (uint8_t) llrProcBuf[u];
}
printf("output unsigned ullrProcBuf \n");
for (int j=0; j < Kr>>3; j ++)
{
printf(" %d \n", ullrProcBuf[j]);
}
printf(" \n");*/
#endif
printf("output channel decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
//printf("output decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
#if UE_TIMING_TRACE #if UE_TIMING_TRACE
stop_meas(dlsch_turbo_decoding_stats); stop_meas(dlsch_turbo_decoding_stats);
......
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