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Commit 8dd5346e authored by frtabu's avatar frtabu
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fixes after rebase

parent 68d415fd
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Showing with 149 additions and 41 deletions
openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_CL.c
View file @ 8dd5346e
......@@ -51,6 +51,7 @@ typedef struct{
char y;
short value;
} h_element;
#include "../nrLDPC_decoder_LYC/bgs/BG1_compact_in_C.h"
typedef struct{
cl_uint max_CU;
......@@ -71,6 +72,8 @@ typedef struct{
ocldev_t ocldev[MAX_OCLDEV];
cl_context context;
cl_program program;
cl_mem dev_h_compact1;
cl_mem dev_h_compact2;
cl_mem dev_const_llr;
cl_mem dev_llr;
cl_mem dev_dt;
......@@ -87,12 +90,10 @@ typedef struct{
ocl_t ocl;
void init_LLR_DMA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out){
uint16_t Zc = p_decParams->Z;
uint8_t BG = p_decParams->BG;
int block_length = p_decParams->block_length;
uint8_t row,col;
void set_compact_BG(int Zc,short BG){
cl_uint rt;
int row,col;
if(BG == 1){
row = 46;
col = 68;
......@@ -101,12 +102,81 @@ void init_LLR_DMA(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out
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();
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);
ocl.runtime[0].dev_h_compact1 = clCreateBuffer(ocl.runtime[0].context, CL_MEM_READ_ONLY|CL_MEM_HOST_WRITE_ONLY, memorySize_h_compact1, NULL, (cl_int *)&rt);
AssertFatal(rt == CL_SUCCESS, "Error %d creating buffer dev_h_compact1 for platform %i \n" , (int)rt, 0);
ocl.runtime[0].dev_h_compact2 = clCreateBuffer(ocl.runtime[0].context, CL_MEM_READ_ONLY|CL_MEM_HOST_WRITE_ONLY, memorySize_h_compact2, NULL, (cl_int *)&rt);
AssertFatal(rt == CL_SUCCESS, "Error %d creating buffer dev_h_compact2 for platform %i \n" , (int)rt, 0);
h_element *h1;
h_element *h2;
switch(lift_index){
case 0:
h1 = host_h_compact1_I0;
h2 = host_h_compact2_I0;
break;
case 1:
h1 = host_h_compact1_I1;
h2 = host_h_compact2_I1;
break;
case 2:
h1 = host_h_compact1_I2;
h2 = host_h_compact2_I2;
break;
case 3:
h1 = host_h_compact1_I3;
h2 = host_h_compact2_I3;
break;
case 4:
h1 = host_h_compact1_I4;
h2 = host_h_compact2_I4;
break;
case 5:
h1 = host_h_compact1_I5;
h2 = host_h_compact2_I5;
break;
case 6:
h1 = host_h_compact1_I6;
h2 = host_h_compact2_I6;
break;
case 7:
h1 = host_h_compact1_I7;
h2 = host_h_compact2_I7;
break;
default:
AssertFatal(0, "Invalid lift_index value %i\n" , lift_index);
break;
}
rt = clEnqueueWriteBuffer(ocl.runtime[0].queue[0], ocl.runtime[0].dev_h_compact1, CL_TRUE, 0,memorySize_h_compact1, h1, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d moving h_compact1 memory to pltf %i dev %i\n" , (int)rt, 0,0);
rt = clEnqueueWriteBuffer(ocl.runtime[0].queue[0], ocl.runtime[0].dev_h_compact2, CL_TRUE, 0,memorySize_h_compact2, h2, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d moving h_compact2 memory to pltf %i dev %i\n" , (int)rt, 0,0);
// return 0;
}
void cl_error_callback(const char* errinfo, const void* private_info, size_t cb, void* user_data) {
oclruntime_t *runtime = (oclruntime_t *)user_data;
......@@ -244,7 +314,8 @@ int ldpc_autoinit(void) { // called by the library loader
void nrLDPC_initcall(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_out) {
set_compact_BG(p_decParams->Z,p_decParams->BG);
// init_LLR_DMA(p_decParams, p_llr, p_out);
}
......@@ -252,10 +323,9 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
{
uint16_t Zc = p_decParams->Z;
uint8_t BG = p_decParams->BG;
uint8_t numMaxIter = p_decParams->numMaxIter;
// uint8_t numMaxIter = p_decParams->numMaxIter;
int block_length = p_decParams->block_length;
e_nrLDPC_outMode outMode = p_decParams->outMode;
cudaError_t cudaStatus;
// e_nrLDPC_outMode outMode = p_decParams->outMode;
uint8_t row,col;
if(BG == 1){
row = 46;
......@@ -267,7 +337,7 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
}
// alloc memory
unsigned char *hard_decision = (unsigned char*)p_out;
// unsigned char *hard_decision = (unsigned char*)p_out;
// gpu
int memorySize_llr = col * Zc * sizeof(char) * MC;
// cudaCheck( cudaMemcpyToSymbol(dev_const_llr, p_llr, memorySize_llr_cuda) );
......@@ -279,7 +349,7 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
memorySize_llr, p_llr, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d moving p_llr data to read-write memory in pltf %i dev %i\n" , (int)rt, 0,0);
// Define CUDA kernel dimension
int blockSizeX = Zc;
// int blockSizeX = Zc;
// dim3 dimGridKernel1(row, MC, 1); // dim of the thread blocks
// dim3 dimBlockKernel1(blockSizeX, 1, 1);
......@@ -288,25 +358,59 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
// cudaDeviceSynchronize();
// lauch kernel
/*
size_t global_item_sizek0[2] = {row*Zc,MC}; // Process the entire lists
size_t global_item_sizek1[2] = {col*Zc,MC}; // Process the entire lists
size_t local_item_sizek[2] = {128,1}; // Divide work items into groups of 128
for(int ii = 0; ii < MAX_ITERATION; ii++){
// first kernel
if(ii == 0){
ldpc_cnp_kernel_1st_iter
<<<dimGridKernel1, dimBlockKernel1>>>
( BG, row, col, Zc);
// ldpc_cnp_kernel_1st_iter
// <<<dimGridKernel1, dimBlockKernel1>>>
// ( BG, row, col, Zc);
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 0, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_llr));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 1, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_dt));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 2, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_h_compact1));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 3, sizeof(int), (void *)&(BG));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 4, sizeof(int), (void *)&(row));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 5, sizeof(int), (void *)&(col));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel_1st, 6, sizeof(int), (void *)&(Zc));
rt = clEnqueueNDRangeKernel(ocl.runtime[0].queue[0], ocl.runtime[0].kernels[0].cnp_kernel_1st, 2, NULL,
global_item_sizek0, local_item_sizek, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d enqueing cnp_kernel_1st \n" , (int)rt);
}else{
ldpc_cnp_kernel
<<<dimGridKernel1, dimBlockKernel1>>>
( BG, row, col, Zc);
// ldpc_cnp_kernel
// <<<dimGridKernel1, dimBlockKernel1>>>
// ( BG, row, col, Zc);
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 0, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_llr));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 1, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_dt));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 2, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_h_compact1));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 3, sizeof(int), (void *)&(BG));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 4, sizeof(int), (void *)&(row));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 5, sizeof(int), (void *)&(col));
CLSETKERNELARG(ocl.runtime[0].kernels[0].cnp_kernel, 6, sizeof(int), (void *)&(Zc));
rt = clEnqueueNDRangeKernel(ocl.runtime[0].queue[0], ocl.runtime[0].kernels[0].cnp_kernel, 2, NULL,
global_item_sizek0, local_item_sizek, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d enqueing cnp_kernel\n" , (int)rt);
}
// second kernel
ldpc_vnp_kernel_normal
<<<dimGridKernel2, dimBlockKernel2>>>
// (dev_llr, dev_const_llr,BG, row, col, Zc);
(BG, row, col, Zc);
// ldpc_vnp_kernel_normal
// <<<dimGridKernel2, dimBlockKernel2>>>
// // (dev_llr, dev_const_llr,BG, row, col, Zc);
// (BG, row, col, Zc);
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 0, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_llr));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 1, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_dt));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 2, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_const_llr));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 3, sizeof(cl_mem), (void *)&(ocl.runtime[0].dev_h_compact2));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 4, sizeof(int), (void *)&(BG));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 5, sizeof(int), (void *)&(row));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 6, sizeof(int), (void *)&(col));
CLSETKERNELARG(ocl.runtime[0].kernels[0].vnp_kernel_normal, 7, sizeof(int), (void *)&(Zc));
rt = clEnqueueNDRangeKernel(ocl.runtime[0].queue[0], ocl.runtime[0].kernels[0].vnp_kernel_normal, 2, NULL,
global_item_sizek1, local_item_sizek, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d enqueing vnp_kernel_normal \n" , (int)rt);
}
*/
// int pack = (block_length/128)+1;
// dim3 pack_block(pack, MC, 1);
// pack_decoded_bit<<<pack_block,128>>>( col, Zc);
......@@ -316,10 +420,11 @@ int32_t nrLDPC_decod(t_nrLDPC_dec_params* p_decParams, int8_t* p_llr, int8_t* p_
CLSETKERNELARG(ocl.runtime[0].kernels[0].pack_decoded_bit, 3, sizeof(int), (void *)&(Zc));
// Execute the OpenCL kernel on the list
size_t global_item_size = block_length; // Process the entire lists
size_t local_item_size = 128; // Divide work items into groups of 128
size_t global_item_size[2] = {block_length,MC}; // Process the entire lists
size_t local_item_size[2] = {128,1}; // Divide work items into groups of 128
rt = clEnqueueNDRangeKernel(ocl.runtime[0].queue[0], ocl.runtime[0].kernels[0].pack_decoded_bit, 2, NULL,
&global_item_size, &local_item_size, 0, NULL, NULL);
global_item_size, local_item_size, 0, NULL, NULL);
AssertFatal(rt == CL_SUCCESS, "Error %d enqueing pack_decoded_bit \n" , (int)rt);
// cudaCheck( cudaMemcpyFromSymbol((void*)hard_decision, (const void*)dev_tmp, (block_length/8)*sizeof(unsigned char)) );
// cudaDeviceSynchronize();
......
openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_kernels_CL.cl
View file @ 8dd5346e
......@@ -45,11 +45,11 @@ typedef struct{
//__global char dev_llr[68*384];
//__global unsigned char dev_tmp[68*384];
__constant h_element h_compact1 [46*19] = {};
__constant h_element h_compact2 [68*30] = {};
__constant h_element dev_h_compact1[46*19] = {}; // used in kernel 1
__constant h_element dev_h_compact2[68*30] = {}; // used in kernel 2
//__constant h_element dev_h_compact1[46*19] = {}; // used in kernel 1
//__constant h_element dev_h_compact2[68*30] = {}; // used in kernel 2
// __device__ __constantant__ h_element dev_h_compact1[46*19]; // used in kernel 1
// __device__ __constantant__ h_element dev_h_compact2[68*30]; // used in kernel 2
......@@ -86,7 +86,7 @@ __constant char h_ele_col_bg2_count[52] = {
// Kernel 1
__kernel void ldpc_cnp_kernel_1st_iter( __local char * dev_llr, __local char * dev_dt, int BG, int row, int col, int Zc)
__kernel void ldpc_cnp_kernel_1st_iter( __global char * dev_llr, __global char * dev_dt, __local h_element *dev_h_compact1, int BG, int row, int col, int Zc)
{
// int iMCW = blockIdx.y; // codeword id
// int iBlkRow = blockIdx.x; // block row in h_base
......@@ -158,7 +158,7 @@ __kernel void ldpc_cnp_kernel_1st_iter( __local char * dev_llr, __local char * d
}
// Kernel_1
__kernel void ldpc_cnp_kernel( __local char * dev_llr, __local char * dev_dt, int BG, int row, int col, int Zc)
__kernel void ldpc_cnp_kernel( __global char * dev_llr, __global char * dev_dt, __local h_element *dev_h_compact1, int BG, int row, int col, int Zc)
{
// if(blockIdx.x == 0 && threadIdx.x == 1) printf("cnp\n");
// int iMCW = blockIdx.y;
......@@ -234,8 +234,11 @@ __kernel void ldpc_cnp_kernel( __local char * dev_llr, __local char * dev_dt, in
// Kernel 2: VNP processing
__kernel void
ldpc_vnp_kernel_normal(__local char * dev_llr, __local char * dev_dt, /* char * dev_const_llr,*/ int BG, int row, int col, int Zc)
ldpc_vnp_kernel_normal(__global char * dev_llr, __global char * dev_dt, __global char * dev_const_llr, __local h_element *dev_h_compact2, int BG, int row, int col, int Zc)
{
// int iMCW = blockIdx.y;
// int iBlkCol = blockIdx.x;
// int iSubCol = threadIdx.x;
int iMCW = get_group_id(1);
int iBlkCol = get_group_id(0);
int iBlkRow;
......
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