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Commit bc1c69fe authored by NCTU OpinConnect Terng-Yin Hsu/WEI-YING,LIN's avatar NCTU OpinConnect Terng-Yin Hsu/WEI-YING,LIN
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fix compile issue

parent 1fa6e0c6
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cmake_targets/build_oai
View file @ bc1c69fe
......@@ -711,8 +711,8 @@ function main() {
if [ "$SIMUS_PHY" = "1" ] ; then
echo_info "Compiling physical unitary tests simulators"
# TODO: fix: dlsim_tm4 pucchsim prachsim pdcchsim pbchsim mbmssim
# simlist="dlsim ulsim ldpctest polartest smallblocktest nr_pbchsim nr_dlschsim nr_ulschsim nr_dlsim nr_ulsim nr_pucchsim nr_prachsim"
simlist="ldpctest"
simlist="dlsim ulsim ldpctest polartest smallblocktest nr_pbchsim nr_dlschsim nr_ulschsim nr_dlsim nr_ulsim nr_pucchsim nr_prachsim"
# simlist="ldpctest"
for f in $simlist ; do
compilations \
phy_simulators $f \
......
patch.diff deleted 100644 → 0
View file @ 1fa6e0c6
diff --git a/cmake_targets/build_oai b/cmake_targets/build_oai
index 88b8811..a7adc33 100755
--- a/cmake_targets/build_oai
+++ b/cmake_targets/build_oai
@@ -701,8 +701,8 @@ function main() {
if [ "$SIMUS_PHY" = "1" ] ; then
echo_info "Compiling physical unitary tests simulators"
# TODO: fix: dlsim_tm4 pucchsim prachsim pdcchsim pbchsim mbmssim
- simlist="dlsim ulsim ldpctest polartest smallblocktest nr_pbchsim nr_dlschsim nr_ulschsim nr_dlsim nr_ulsim nr_pucchsim nr_prachsim"
- # simlist="ldpctest"
+ # simlist="dlsim ulsim ldpctest polartest smallblocktest nr_pbchsim nr_dlschsim nr_ulschsim nr_dlsim nr_ulsim nr_pucchsim nr_prachsim"
+ simlist="ldpctest"
for f in $simlist ; do
compilations \
phy_simulators $f \
diff --git a/openair1/PHY/CODING/TESTBENCH/ldpctest.c b/openair1/PHY/CODING/TESTBENCH/ldpctest.c
index 345122c..72d85b1 100644
--- a/openair1/PHY/CODING/TESTBENCH/ldpctest.c
+++ b/openair1/PHY/CODING/TESTBENCH/ldpctest.c
@@ -396,17 +396,15 @@ int test_ldpc(short No_iteration,
decParams.numMaxIter=No_iteration;
decParams.outMode = nrLDPC_outMode_BIT;
//decParams.outMode =nrLDPC_outMode_LLRINT8;
-
-
+ set_compact_BG(Zc,BG);
+ init_LLR_DMA_for_CUDA(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], block_length);
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 +514,7 @@ int test_ldpc(short No_iteration,
int main(int argc, char *argv[])
{
+ warmup_for_GPU();
unsigned int errors, errors_bit, crc_misses;
double errors_bit_uncoded;
short block_length=8448; // decoder supports length: 1201 -> 1280, 2401 -> 2560
diff --git a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
index 161b362..931d500 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
+++ b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
@@ -32,7 +32,7 @@
#include "bgs/BG2_I6"
#include "bgs/BG2_I7"
-#define MAX_ITERATION 5
+#define MAX_ITERATION 2
#define MC 1
#define cudaCheck(ans) { cudaAssert((ans), __FILE__, __LINE__); }
@@ -49,13 +49,21 @@ typedef struct{
char y;
short value;
} h_element;
+#include "bgs/BG1_compact_in_C.h"
+__device__ char dev_const_llr[68*384];
+__device__ char dev_dt [46*68*384];
+__device__ char dev_llr[68*384];
+__device__ unsigned char dev_tmp[68*384];
h_element h_compact1 [46*19] = {};
h_element h_compact2 [68*30] = {};
-__device__ __constant__ h_element dev_h_compact1[46*19]; // used in kernel 1
-__device__ __constant__ h_element dev_h_compact2[68*30]; // used in kernel 2
+__device__ h_element dev_h_compact1[46*19]; // used in kernel 1
+__device__ h_element dev_h_compact2[68*30]; // used in kernel 2
+
+// __device__ __constant__ h_element dev_h_compact1[46*19]; // used in kernel 1
+// __device__ __constant__ h_element dev_h_compact2[68*30]; // used in kernel 2
// row and col element count
__device__ __constant__ char h_ele_row_bg1_count[46] = {
@@ -92,9 +100,93 @@ __global__ void warmup()
// warm up gpu for time measurement
}
+extern "C"
+void warmup_for_GPU(){
+
+ warmup<<<20,1024 >>>();
+
+}
+
+extern "C"
+void set_compact_BG(int Zc,short BG){
+
+ int row,col;
+ if(BG == 1){
+ row = 46;
+ col = 68;
+ }
+ else{
+ row = 42;
+ col = 52;
+ }
+ int compact_row = 30;
+ int compact_col = 19;
+ if(BG==2){compact_row = 10, compact_col = 23;}
+ int memorySize_h_compact1 = row * compact_col * sizeof(h_element);
+ int memorySize_h_compact2 = compact_row * col * sizeof(h_element);
+ int lift_index = 0;
+ short lift_set[][9] = {
+ {2,4,8,16,32,64,128,256},
+ {3,6,12,24,48,96,192,384},
+ {5,10,20,40,80,160,320},
+ {7,14,28,56,112,224},
+ {9,18,36,72,144,288},
+ {11,22,44,88,176,352},
+ {13,26,52,104,208},
+ {15,30,60,120,240},
+ {0}
+ };
+
+ for(int i = 0; lift_set[i][0] != 0; i++){
+ for(int j = 0; lift_set[i][j] != 0; j++){
+ if(Zc == lift_set[i][j]){
+ lift_index = i;
+ break;
+ }
+ }
+ }
+ printf("\nZc = %d BG = %d\n",Zc,BG);
+ switch(lift_index){
+ case 0:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I0, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I0, memorySize_h_compact2) );
+ break;
+ case 1:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I1, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I1, memorySize_h_compact2) );
+ break;
+ case 2:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I2, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I2, memorySize_h_compact2) );
+ break;
+ case 3:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I3, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I3, memorySize_h_compact2) );
+ break;
+ case 4:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I4, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I4, memorySize_h_compact2) );
+ break;
+ case 5:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I5, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I5, memorySize_h_compact2) );
+ break;
+ case 6:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I6, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I6, memorySize_h_compact2) );
+ break;
+ case 7:
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, host_h_compact1_I7, memorySize_h_compact1) );
+ cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, host_h_compact2_I7, memorySize_h_compact2) );
+ break;
+ }
+
+ // return 0;
+}
+
// Kernel 1
-__global__ void ldpc_cnp_kernel_1st_iter(char * dev_llr, char * dev_dt, int BG, int row, int col, int Zc)
+__global__ void ldpc_cnp_kernel_1st_iter(/*char * dev_llr,*/ int BG, int row, int col, int Zc)
{
// if(blockIdx.x == 0 && threadIdx.x == 1) printf("cnp %d\n", threadIdx.x);
int iMCW = blockIdx.y; // codeword id
@@ -153,7 +245,7 @@ __global__ void ldpc_cnp_kernel_1st_iter(char * dev_llr, char * dev_dt, int BG,
for(int i = 0; i < s; i++){
// v0: Best performance so far. 0.75f is the value of alpha.
sq = 1 - 2 * ((Q_sign >> i) & 0x01);
- R_temp = 0.8 * sign * sq * (i != idx_min ? rmin1 : rmin2);
+ R_temp = 0.75f * sign * sq * (i != idx_min ? rmin1 : rmin2);
// write results to global memory
h_element_t = dev_h_compact1[i*row+iBlkRow];
int addr_temp = offsetR + h_element_t.y * row * Zc;
@@ -163,7 +255,7 @@ __global__ void ldpc_cnp_kernel_1st_iter(char * dev_llr, char * dev_dt, int BG,
}
// Kernel_1
-__global__ void ldpc_cnp_kernel(char * dev_llr, char * dev_dt, int BG, int row, int col, int Zc)
+__global__ void ldpc_cnp_kernel(/*char * dev_llr, char * dev_dt,*/ int BG, int row, int col, int Zc)
{
// if(blockIdx.x == 0 && threadIdx.x == 1) printf("cnp\n");
int iMCW = blockIdx.y;
@@ -223,7 +315,7 @@ __global__ void ldpc_cnp_kernel(char * dev_llr, char * dev_dt, int BG, int row,
// The 2nd recursion
for(int i = 0; i < s; i ++){
sq = 1 - 2 * ((Q_sign >> i) & 0x01);
- R_temp = 0.8 * sign * sq * (i != idx_min ? rmin1 : rmin2);
+ R_temp = 0.75f * sign * sq * (i != idx_min ? rmin1 : rmin2);
// write results to global memory
@@ -236,7 +328,7 @@ __global__ void ldpc_cnp_kernel(char * dev_llr, char * dev_dt, int BG, int row,
// Kernel 2: VNP processing
__global__ void
-ldpc_vnp_kernel_normal(char * dev_llr, char * dev_dt, char * dev_const_llr, int BG, int row, int col, int Zc)
+ldpc_vnp_kernel_normal(/*char * dev_llr, char * dev_dt, char * dev_const_llr,*/ int BG, int row, int col, int Zc)
{
int iMCW = blockIdx.y;
int iBlkCol = blockIdx.x;
@@ -276,7 +368,7 @@ ldpc_vnp_kernel_normal(char * dev_llr, char * dev_dt, char * dev_const_llr, int
}
-__global__ void pack_decoded_bit(char *dev, unsigned char *host, int col, int Zc)
+__global__ void pack_decoded_bit(/*char *dev, unsigned char *host,*/ int col, int Zc)
{
__shared__ unsigned char tmp[128];
int iMCW = blockIdx.y;
@@ -284,15 +376,15 @@ __global__ void pack_decoded_bit(char *dev, unsigned char *host, int col, int Zc
int btid = threadIdx.x;
tmp[btid] = 0;
- if(dev[tid] < 0){
+ if(dev_llr[tid] < 0){
tmp[btid] = 1 << (7-(btid&7));
}
__syncthreads();
if(threadIdx.x < 16){
- host[iMCW * col*Zc + blockIdx.x*16+threadIdx.x] = 0;
+ dev_tmp[iMCW * col*Zc + blockIdx.x*16+threadIdx.x] = 0;
for(int i = 0; i < 8; i++){
- host[iMCW * col*Zc + blockIdx.x*16+threadIdx.x] += tmp[threadIdx.x*8+i];
+ dev_tmp[iMCW * col*Zc + blockIdx.x*16+threadIdx.x] += tmp[threadIdx.x*8+i];
}
}
}
@@ -369,18 +461,38 @@ void read_BG(int BG, int *h, int row, int col)
*/
}
+extern "C"
+void init_LLR_DMA_for_CUDA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out, int block_length){
+
+ uint16_t Zc = p_decParams->Z;
+ uint8_t BG = p_decParams->BG;
+ uint8_t row,col;
+ if(BG == 1){
+ row = 46;
+ col = 68;
+ }
+ else{
+ row = 42;
+ col = 52;
+ }
+ unsigned char *hard_decision = (unsigned char*)p_out;
+ int memorySize_llr_cuda = col * Zc * sizeof(char) * MC;
+ cudaCheck( cudaMemcpyToSymbol(dev_const_llr, p_llr, memorySize_llr_cuda) );
+ cudaCheck( cudaMemcpyToSymbol(dev_llr, p_llr, memorySize_llr_cuda) );
+ cudaDeviceSynchronize();
+
+}
extern "C"
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)
{
- // alloc mem
- //unsigned char *decision = (unsigned char*)p_out;
+
uint16_t Zc = p_decParams->Z;
uint8_t BG = p_decParams->BG;
uint8_t numMaxIter = p_decParams->numMaxIter;
e_nrLDPC_outMode outMode = p_decParams->outMode;
-
+ cudaError_t cudaStatus;
uint8_t row,col;
if(BG == 1){
row = 46;
@@ -390,96 +502,14 @@ int32_t nrLDPC_decoder_LYC(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8
row = 42;
col = 52;
}
- int compact_row = 30, compact_col = 19, lift_index=0;;
- if(BG==2){compact_row = 10, compact_col = 23;}
-
- short lift_set[][9] = {
- {2,4,8,16,32,64,128,256},
- {3,6,12,24,48,96,192,384},
- {5,10,20,40,80,160,320},
- {7,14,28,56,112,224},
- {9,18,36,72,144,288},
- {11,22,44,88,176,352},
- {13,26,52,104,208},
- {15,30,60,120,240},
- {0}
- };
-
- for(int i = 0; lift_set[i][0] != 0; i++){
- for(int j = 0; lift_set[i][j] != 0; j++){
- if(Zc == lift_set[i][j]){
- lift_index = i;
- break;
- }
- }
- }
-
- int *h = NULL;
- switch(lift_index){
- case 0:
- h = (BG == 1)? h_base_0:h_base_8;
- break;
- case 1:
- h = (BG == 1)? h_base_1:h_base_9;
- break;
- case 2:
- h = (BG == 1)? h_base_2:h_base_10;
- break;
- case 3:
- h = (BG == 1)? h_base_3:h_base_11;
- break;
- case 4:
- h = (BG == 1)? h_base_4:h_base_12;
- break;
- case 5:
- h = (BG == 1)? h_base_5:h_base_13;
- break;
- case 6:
- h = (BG == 1)? h_base_6:h_base_14;
- break;
- case 7:
- h = (BG == 1)? h_base_7:h_base_15;
- break;
- }
- /* pack BG in compact graph */
- read_BG(BG, h, row, col);
-
-
- int memorySize_h_compact1 = row * compact_col * sizeof(h_element);
- int memorySize_h_compact2 = compact_row * col * sizeof(h_element);
-// cpu
- int memorySize_hard_decision = col * Zc * sizeof(unsigned char) * MC;
-
-
// alloc memory
unsigned char *hard_decision = (unsigned char*)p_out;
-
// gpu
int memorySize_llr_cuda = col * Zc * sizeof(char) * MC;
- int memorySize_dt_cuda = row * Zc * col * sizeof(char) * MC;
-
-
-// alloc memory
- char *dev_llr;
- char *dev_dt;
- char *dev_const_llr;
- unsigned char *dev_tmp;
+ cudaCheck( cudaMemcpyToSymbol(dev_const_llr, p_llr, memorySize_llr_cuda) );
+ cudaCheck( cudaMemcpyToSymbol(dev_llr, p_llr, memorySize_llr_cuda) );
- cudaCheck( cudaMalloc((void **)&dev_tmp, memorySize_hard_decision) );
- cudaCheck( cudaMalloc((void **)&dev_llr, memorySize_llr_cuda) );
- cudaCheck( cudaMalloc((void **)&dev_const_llr, memorySize_llr_cuda) );
- cudaCheck( cudaMalloc((void **)&dev_dt, memorySize_dt_cuda) );
-
-// memcpy host to device
-
- cudaCheck( cudaMemcpyToSymbol(dev_h_compact1, h_compact1, memorySize_h_compact1) );
- cudaCheck( cudaMemcpyToSymbol(dev_h_compact2, h_compact2, memorySize_h_compact2) );
- cudaCheck( cudaMemcpy((void*)dev_const_llr, p_llr, memorySize_llr_cuda, cudaMemcpyHostToDevice) );
-start_meas(time_decoder);
- cudaCheck( cudaMemcpy((void*)dev_llr, p_llr, memorySize_llr_cuda, cudaMemcpyHostToDevice) );
-
-
// Define CUDA kernel dimension
int blockSizeX = Zc;
dim3 dimGridKernel1(row, MC, 1); // dim of the thread blocks
@@ -488,61 +518,35 @@ start_meas(time_decoder);
dim3 dimGridKernel2(col, MC, 1);
dim3 dimBlockKernel2(blockSizeX, 1, 1);
cudaDeviceSynchronize();
-
- cudaEvent_t start, end;
- float time;
-
- warmup<<<dimGridKernel1, dimBlockKernel1>>>();
- warmup<<<dimGridKernel2, dimBlockKernel2>>>();
-
- cudaEventCreate(&start);
- cudaEventCreate(&end);
- cudaEventRecord(start, 0);
-
-// cudaProfilerStart();
-
// lauch kernel
+
for(int ii = 0; ii < MAX_ITERATION; ii++){
// first kernel
if(ii == 0){
ldpc_cnp_kernel_1st_iter
<<<dimGridKernel1, dimBlockKernel1>>>
- (dev_llr, dev_dt, BG, row, col, Zc);
+ (/*dev_llr,*/ BG, row, col, Zc);
}else{
ldpc_cnp_kernel
<<<dimGridKernel1, dimBlockKernel1>>>
- (dev_llr, dev_dt, BG, row, col, Zc);
+ (/*dev_llr,*/ BG, row, col, Zc);
}
-
// second kernel
-
- ldpc_vnp_kernel_normal
- <<<dimGridKernel2, dimBlockKernel2>>>
- (dev_llr, dev_dt, dev_const_llr, BG, row, col, Zc);
-
+ ldpc_vnp_kernel_normal
+ <<<dimGridKernel2, dimBlockKernel2>>>
+ // (dev_llr, dev_const_llr,BG, row, col, Zc);
+ (BG, row, col, Zc);
}
+
int pack = (block_length/128)+1;
dim3 pack_block(pack, MC, 1);
- pack_decoded_bit<<<pack_block,128>>>(dev_llr, dev_tmp, col, Zc);
-
-
- cudaEventRecord(end, 0);
- cudaEventSynchronize(end);
- cudaEventElapsedTime(&time, start, end);
+ pack_decoded_bit<<<pack_block,128>>>(/*dev_llr,*/ /*dev_tmp,*/ col, Zc);
-
- //cudaCheck( cudaMemcpy((*)hard_decision, (const void*)dev_tmp, memorySize_hard_decision, cudaMemcpyDeviceToHost) );
- cudaCheck( cudaMemcpy((void*)hard_decision, (const void*)dev_tmp, (block_length/8)*sizeof(unsigned char), cudaMemcpyDeviceToHost) );
+ cudaCheck( cudaMemcpyFromSymbol((void*)hard_decision, (const void*)dev_tmp, (block_length/8)*sizeof(unsigned char)) );
cudaDeviceSynchronize();
-stop_meas(time_decoder);
-
- cudaCheck( cudaFree(dev_llr) );
- cudaCheck( cudaFree(dev_dt) );
- cudaCheck( cudaFree(dev_const_llr) );
- cudaCheck( cudaFree(dev_tmp) );
- //free(hard_decision);
+
return MAX_ITERATION;
}
diff --git a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
index 0e78f98..c8868f0 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
+++ b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
@@ -23,4 +23,10 @@
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
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