Commit d6850233 authored by Raphael Defosseux's avatar Raphael Defosseux

Merge remote-tracking branch 'origin/NCTU_GPU_ldpctest' into develop_integration_2020_w24

parents 90b10268 cdc60bd9
...@@ -39,6 +39,33 @@ set (OPENAIR_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}) ...@@ -39,6 +39,33 @@ set (OPENAIR_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY})
project (OpenAirInterface) project (OpenAirInterface)
##############################################
# Base CUDA setting
##############################################
find_package(CUDA)
if (CUDA_FOUND)
message ("cuda include ${CUDA_INCLUDE_DIRS}")
message ("cuda library ${CUDA_LIBRARY_DIRS}")
add_definitions("-L/usr/local/cuda/lib64")
SET(CUDA_NVCC_FLAGS
"${CUDA_NVCC_FLAGS};-arch=sm_60;")
# Disable warnings for CUDA
SET(CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS};-lpthread;-w;-O3;--default-stream;per-thread;-I/usr/local/cuda/inc;-L/usr/local/cuda/lib -lcutil;-rdc=true;-lcudadevrt")
SET(CUDA_VERBOSE_BUILD ON)
SET(CUDA_HOST_COMPILER "/usr/bin/g++")
SET(CUDA_SEPARABLE_COMPILATION ON)
else (CUDA_FOUND)
message ("No CUDA tool installed")
endif ()
########################################### ###########################################
# macros to define options as there is numerous options in oai # macros to define options as there is numerous options in oai
################################################ ################################################
...@@ -169,13 +196,30 @@ endif() ...@@ -169,13 +196,30 @@ endif()
set(CMAKE_C_FLAGS set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} -pipe -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing -rdynamic -funroll-loops -Wno-packed-bitfield-compat -fPIC") "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} -pipe -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing -rdynamic -funroll-loops -Wno-packed-bitfield-compat -fPIC")
# add autotools definitions that were maybe used! # add autotools definitions that were maybe used!
set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'") if (CUDA_FOUND)
set(CMAKE_C_FLAGS set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'")
set(CUDA_CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_FCNTL_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRERROR=1 -DHAVE_SOCKET=1 -DHAVE_MEMSET=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_LIBSCTP -D CUDA_FLAG"
)
set(CUDA_CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -Wno-packed-bitfield-compat -fPIC -Wall -fno-strict-aliasing -rdynamic -std=c++11 -D CUDA_FLAG"
)
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_FCNTL_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRERROR=1 -DHAVE_SOCKET=1 -DHAVE_MEMSET=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_LIBSCTP -D${MKVER} -D CUDA_FLAG"
)
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -Wno-packed-bitfield-compat -fPIC -Wall -fno-strict-aliasing -rdynamic -std=c++11 -D${MKVER} -D CUDA_FLAG"
)
else (CUDA_FOUND)
set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'")
set(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_FCNTL_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRERROR=1 -DHAVE_SOCKET=1 -DHAVE_MEMSET=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_LIBSCTP -D${MKVER}" "${CMAKE_C_FLAGS} -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_FCNTL_H=1 -DHAVE_ARPA_INET_H=1 -DHAVE_SYS_TIME_H=1 -DHAVE_SYS_SOCKET_H=1 -DHAVE_STRERROR=1 -DHAVE_SOCKET=1 -DHAVE_MEMSET=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_STDLIB_H=1 -DHAVE_MALLOC=1 -DHAVE_LIBSCTP -D${MKVER}"
) )
set(CMAKE_CXX_FLAGS set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -Wno-packed-bitfield-compat -fPIC -Wall -fno-strict-aliasing -rdynamic -std=c++11 -D${MKVER}" "${CMAKE_CXX_FLAGS} ${C_FLAGS_PROCESSOR} -Wno-packed-bitfield-compat -fPIC -Wall -fno-strict-aliasing -rdynamic -std=c++11 -D${MKVER}"
) )
endif ()
add_definitions("-DASN_DISABLE_OER_SUPPORT") add_definitions("-DASN_DISABLE_OER_SUPPORT")
...@@ -2781,12 +2825,54 @@ target_link_libraries(smallblocktest ...@@ -2781,12 +2825,54 @@ target_link_libraries(smallblocktest
m pthread ${ATLAS_LIBRARIES} dl m pthread ${ATLAS_LIBRARIES} dl
) )
add_executable(ldpctest
# temp_C_flag = CMAKE_C_FLAGS
#set(CMAKE_C_FLAGS " ")
set (TEMP_C_FLAG ${CMAKE_C_FLAGS})
set (CMAKE_C_FLAGS ${CUDA_CMAKE_C_FLAGS})
set (TEMP_CXX_FLAG ${CMAKE_CXX_FLAGS})
set (CMAKE_CXX_FLAGS ${CUDA_CMAKE_CXX_FLAGS})
if (CUDA_FOUND)
###################################################
# For CUDA library
###################################################
CUDA_ADD_LIBRARY(LDPC_CU
${OPENAIR1_DIR}/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
)
CUDA_ADD_CUFFT_TO_TARGET(LDPC_CU)
cuda_add_executable(ldpctest
${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/ldpctest.c
${T_SOURCE}
${SHLIB_LOADER_SOURCES}
)
target_link_libraries(ldpctest -ldl
-Wl,--start-group
LDPC_CU UTIL SIMU PHY_NR CONFIG_LIB
-Wl,--end-group
m pthread ${ATLAS_LIBRARIES} dl
)
else (CUDA_FOUND)
add_executable(ldpctest
${PHY_NR_CODINGIF} ${PHY_NR_CODINGIF}
${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/ldpctest.c ${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/ldpctest.c
${T_SOURCE} ${T_SOURCE}
${SHLIB_LOADER_SOURCES} ${SHLIB_LOADER_SOURCES}
) )
endif ()
set (CMAKE_C_FLAGS ${TEMP_C_FLAG})
set (CMAKE_CXX_FLAGS ${TEMP_CXX_FLAG})
# add_executable(ldpctest
# ${PHY_NR_CODINGIF}
# ${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/ldpctest.c
# ${T_SOURCE}
# ${SHLIB_LOADER_SOURCES}
# )
add_dependencies( ldpctest ldpc_orig ldpc_optim ldpc_optim8seg ldpc ) add_dependencies( ldpctest ldpc_orig ldpc_optim ldpc_optim8seg ldpc )
target_link_libraries(ldpctest target_link_libraries(ldpctest
......
...@@ -702,6 +702,7 @@ function main() { ...@@ -702,6 +702,7 @@ function main() {
echo_info "Compiling physical unitary tests simulators" echo_info "Compiling physical unitary tests simulators"
# TODO: fix: dlsim_tm4 pucchsim prachsim pdcchsim pbchsim mbmssim # 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="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 for f in $simlist ; do
compilations \ compilations \
phy_simulators $f \ phy_simulators $f \
......
...@@ -27,7 +27,7 @@ ...@@ -27,7 +27,7 @@
#include "SIMULATION/TOOLS/sim.h" #include "SIMULATION/TOOLS/sim.h"
#include "PHY/CODING/nrLDPC_extern.h" #include "PHY/CODING/nrLDPC_extern.h"
#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h" #include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
#include "openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h"
#define MAX_NUM_DLSCH_SEGMENTS 16 #define MAX_NUM_DLSCH_SEGMENTS 16
#define MAX_BLOCK_LENGTH 8448 #define MAX_BLOCK_LENGTH 8448
...@@ -102,7 +102,8 @@ int test_ldpc(short No_iteration, ...@@ -102,7 +102,8 @@ int test_ldpc(short No_iteration,
unsigned int *crc_misses, unsigned int *crc_misses,
time_stats_t *time_optim, time_stats_t *time_optim,
time_stats_t *time_decoder, time_stats_t *time_decoder,
n_iter_stats_t *dec_iter) n_iter_stats_t *dec_iter,
short run_cuda)
{ {
//clock initiate //clock initiate
//time_stats_t time,time_optim,tinput,tprep,tparity,toutput, time_decoder; //time_stats_t time,time_optim,tinput,tprep,tparity,toutput, time_decoder;
...@@ -114,7 +115,6 @@ int test_ldpc(short No_iteration, ...@@ -114,7 +115,6 @@ int test_ldpc(short No_iteration,
double sigma; double sigma;
sigma = 1.0/sqrt(2*SNR); sigma = 1.0/sqrt(2*SNR);
opp_enabled=1; opp_enabled=1;
cpu_freq_GHz = get_cpu_freq_GHz(); cpu_freq_GHz = get_cpu_freq_GHz();
//short test_input[block_length]; //short test_input[block_length];
...@@ -400,12 +400,22 @@ int test_ldpc(short No_iteration, ...@@ -400,12 +400,22 @@ int test_ldpc(short No_iteration,
for(j=0;j<n_segments;j++) { for(j=0;j<n_segments;j++) {
start_meas(time_decoder); 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 // decode the sequence
// decoder supports BG2, Z=128 & 256 // decoder supports BG2, Z=128 & 256
//esimated_output=ldpc_decoder(channel_output_fixed, block_length, No_iteration, (double)((float)nom_rate/(float)denom_rate)); //esimated_output=ldpc_decoder(channel_output_fixed, block_length, No_iteration, (double)((float)nom_rate/(float)denom_rate));
///nrLDPC_decoder(&decParams, channel_output_fixed, estimated_output, NULL); ///nrLDPC_decoder(&decParams, channel_output_fixed, estimated_output, NULL);
n_iter = nrLDPC_decoder(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], p_nrLDPC_procBuf, p_decoder_profiler); n_iter = nrLDPC_decoder(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], p_nrLDPC_procBuf, p_decoder_profiler);
}
#else
n_iter = nrLDPC_decoder(&decParams, (int8_t*)channel_output_fixed[j], (int8_t*)estimated_output[j], p_nrLDPC_procBuf, p_decoder_profiler);
#endif
stop_meas(time_decoder); stop_meas(time_decoder);
} }
...@@ -513,6 +523,8 @@ int main(int argc, char *argv[]) ...@@ -513,6 +523,8 @@ int main(int argc, char *argv[])
short No_iteration=5; short No_iteration=5;
int n_segments=1; int n_segments=1;
//double rate=0.333; //double rate=0.333;
short run_cuda = 0;
int nom_rate=1; int nom_rate=1;
int denom_rate=3; int denom_rate=3;
double SNR0=-2.0,SNR,SNR_lin; double SNR0=-2.0,SNR,SNR_lin;
...@@ -531,7 +543,7 @@ int main(int argc, char *argv[]) ...@@ -531,7 +543,7 @@ int main(int argc, char *argv[])
short BG=0,Zc,Kb=0; short BG=0,Zc,Kb=0;
while ((c = getopt (argc, argv, "q:r:s:S:l:n:d:i:t:u:h")) != -1) while ((c = getopt (argc, argv, "q:r:s:S:l:G:n:d:i:t:u:h")) != -1)
switch (c) switch (c)
{ {
case 'q': case 'q':
...@@ -550,6 +562,10 @@ int main(int argc, char *argv[]) ...@@ -550,6 +562,10 @@ int main(int argc, char *argv[])
block_length = atoi(optarg); block_length = atoi(optarg);
break; break;
case 'G':
run_cuda = atoi(optarg);
break;
case 'n': case 'n':
n_trials = atoi(optarg); n_trials = atoi(optarg);
break; break;
...@@ -584,6 +600,7 @@ int main(int argc, char *argv[]) ...@@ -584,6 +600,7 @@ int main(int argc, char *argv[])
printf("-r Nominator rate, (1, 2, 22), Default: 1\n"); printf("-r Nominator rate, (1, 2, 22), Default: 1\n");
printf("-d Denominator rate, (3, 5, 25), Default: 1\n"); printf("-d Denominator rate, (3, 5, 25), Default: 1\n");
printf("-l Block length (l > 3840 -> BG1, rest BG2 ), Default: 8448\n"); printf("-l Block length (l > 3840 -> BG1, rest BG2 ), Default: 8448\n");
printf("-G give 1 to run cuda for LDPC, Default: 0\n");
printf("-n Number of simulation trials, Default: 1\n"); printf("-n Number of simulation trials, Default: 1\n");
//printf("-M MCS2 for TB 2\n"); //printf("-M MCS2 for TB 2\n");
printf("-s SNR per information bit (EbNo) in dB, Default: -2\n"); printf("-s SNR per information bit (EbNo) in dB, Default: -2\n");
...@@ -674,7 +691,8 @@ int main(int argc, char *argv[]) ...@@ -674,7 +691,8 @@ int main(int argc, char *argv[])
&crc_misses, &crc_misses,
time_optim, time_optim,
time_decoder, time_decoder,
dec_iter); dec_iter,
run_cuda);
printf("SNR %f, BLER %f (%u/%d)\n", SNR, (float)decoded_errors[i]/(float)n_trials, decoded_errors[i], n_trials); printf("SNR %f, BLER %f (%u/%d)\n", SNR, (float)decoded_errors[i]/(float)n_trials, decoded_errors[i], n_trials);
printf("SNR %f, BER %f (%u/%d)\n", SNR, (float)errors_bit/(float)n_trials/(float)block_length/(double)n_segments, decoded_errors[i], n_trials); printf("SNR %f, BER %f (%u/%d)\n", SNR, (float)errors_bit/(float)n_trials/(float)block_length/(double)n_segments, decoded_errors[i], n_trials);
......
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#ifndef __NR_LDPC_DECODER_LYC__H__
#define __NR_LDPC_DECODER_LYC__H__
#include "nrLDPC_types.h"
#include "nrLDPC_init_mem.h"
/*! \file PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h
* \brief LDPC cuda support BG1 all length
* \author NCTU OpinConnect Terng-Yin Hsu,WEI-YING,LIN
* \email tyhsu@cs.nctu.edu.tw
* \date 13-05-2020
* \version
* \note
* \warning
*/
/***
\brief LDPC decoder
\param p_decParams LDPC decoder parameters
\param p_llr Input LLRs
\param p_llrOut Output vector
\param p_profiler LDPC profiler statistics
****/
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);
#endif
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*!\file nrLDPC_init_mem.h
* \brief Defines the function to initialize the LDPC decoder and sets correct LUTs.
* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
* \date 07-12-2018
* \version 1.0
* \note
* \warning
*/
#ifndef __NR_LDPC_INIT_MEM__H__
#define __NR_LDPC_INIT_MEM__H__
#include <stdlib.h>
#include "nrLDPC_defs.h"
#include "nrLDPC_types.h"
#ifndef malloc32_clear
/**
\brief Allocates 32 byte aligned memory and initializes to zero
\param size Input size in bytes
\return Pointer to memory
*/
static inline void* malloc32_clear(size_t size)
{
void* ptr = (void*) memalign(32, size+32);
memset(ptr, 0, size);
return ptr;
}
#endif
/**
\brief Allocates and initializes the internal decoder processing buffers
\param p_decParams Pointer to decoder parameters
\param p_lut Pointer to decoder LUTs
\return Number of LLR values
*/
static inline t_nrLDPC_procBuf* nrLDPC_init_mem(void)
{
t_nrLDPC_procBuf* p_procBuf = (t_nrLDPC_procBuf*) malloc32_clear(sizeof(t_nrLDPC_procBuf));
if (p_procBuf)
{
p_procBuf->cnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
p_procBuf->cnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_CN_PROC_BUF*sizeof(int8_t));
p_procBuf->bnProcBuf = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
p_procBuf->bnProcBufRes = (int8_t*) malloc32_clear(NR_LDPC_SIZE_BN_PROC_BUF*sizeof(int8_t));
p_procBuf->llrRes = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
p_procBuf->llrProcBuf = (int8_t*) malloc32_clear(NR_LDPC_MAX_NUM_LLR *sizeof(int8_t));
}
return(p_procBuf);
}
static inline void nrLDPC_free_mem(t_nrLDPC_procBuf* p_procBuf)
{
free(p_procBuf->cnProcBuf);
free(p_procBuf->cnProcBufRes);
free(p_procBuf->bnProcBuf);
free(p_procBuf->bnProcBufRes);
free(p_procBuf->llrRes);
free(p_procBuf->llrProcBuf);
free(p_procBuf);
}
#endif
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*!\file nrLDPC_types.h
* \brief Defines all types for the LDPC decoder
* \author Sebastian Wagner (TCL Communications) Email: <mailto:sebastian.wagner@tcl.com>
* \date 27-03-2018
* \version 1.0
* \note
* \warning
*/
#ifndef __NR_LDPC_TYPES__H__
#define __NR_LDPC_TYPES__H__
#include "PHY/TOOLS/time_meas.h"
#include "nrLDPC_defs.h"
// ==============================================================================
// TYPES
/**
Structure containing the pointers to the LUTs.
*/
typedef struct nrLDPC_lut {
const uint32_t* startAddrCnGroups; /**< Start addresses for CN groups in CN processing buffer */
const uint8_t* numCnInCnGroups; /**< Number of CNs in every CN group */
const uint8_t* numBnInBnGroups; /**< Number of CNs in every BN group */
const uint32_t* startAddrBnGroups; /**< Start addresses for BN groups in BN processing buffer */
const uint16_t* startAddrBnGroupsLlr; /**< Start addresses for BN groups in LLR processing buffer */
const uint16_t** circShift[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT for circular shift values for all CN groups and Zs */
const uint32_t** startAddrBnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT of start addresses of CN groups in BN proc buffer */
const uint8_t** bnPosBnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT of BN positions in BG for CN groups */
const uint16_t* llr2llrProcBufAddr; /**< LUT for transferring input LLRs to LLR processing buffer */
const uint8_t* llr2llrProcBufBnPos; /**< LUT BN position in BG */
const uint8_t** posBnInCnProcBuf[NR_LDPC_NUM_CN_GROUPS_BG1]; /**< LUT for llr2cnProcBuf */
} t_nrLDPC_lut;
/**
Enum with possible LDPC output formats.
*/
typedef enum nrLDPC_outMode {
nrLDPC_outMode_BIT, /**< 32 bits per uint32_t output */
nrLDPC_outMode_BITINT8, /**< 1 bit per int8_t output */
nrLDPC_outMode_LLRINT8 /**< Single LLR value per int8_t output */
} e_nrLDPC_outMode;
/**
Structure containing LDPC decoder parameters.
*/
typedef struct nrLDPC_dec_params {
uint8_t BG; /**< Base graph */
uint16_t Z; /**< Lifting size */
uint8_t R; /**< Decoding rate: Format 15,13,... for code rates 1/5, 1/3,... */
uint8_t numMaxIter; /**< Maximum number of iterations */
e_nrLDPC_outMode outMode; /**< Output format */
} t_nrLDPC_dec_params;
/**
Structure containing LDPC decoder processing time statistics.
*/
typedef struct nrLDPC_time_stats {
time_stats_t llr2llrProcBuf; /**< Statistics for function llr2llrProcBuf */
time_stats_t llr2CnProcBuf; /**< Statistics for function llr2CnProcBuf */
time_stats_t cnProc; /**< Statistics for function cnProc */
time_stats_t cnProcPc; /**< Statistics for function cnProcPc */
time_stats_t bnProcPc; /**< Statistics for function bnProcPc */
time_stats_t bnProc; /**< Statistics for function bnProc */
time_stats_t cn2bnProcBuf; /**< Statistics for function cn2bnProcBuf */
time_stats_t bn2cnProcBuf; /**< Statistics for function bn2cnProcBuf */
time_stats_t llrRes2llrOut; /**< Statistics for function llrRes2llrOut */
time_stats_t llr2bit; /**< Statistics for function llr2bit */
time_stats_t total; /**< Statistics for total processing time */
} t_nrLDPC_time_stats;
/**
Structure containing the processing buffers
*/
typedef struct nrLDPC_procBuf {
int8_t* cnProcBuf; /**< CN processing buffer */
int8_t* cnProcBufRes; /**< Buffer for CN processing results */
int8_t* bnProcBuf; /**< BN processing buffer */
int8_t* bnProcBufRes; /**< Buffer for BN processing results */
int8_t* llrRes; /**< Buffer for LLR results */
int8_t* llrProcBuf; /**< LLR processing buffer */
} t_nrLDPC_procBuf;
#endif
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