Merge branch 'develop_integration_2020_w24' into 'develop'

Develop integration 2020 week 24

The following Merge Requests are included:

* MR 822 : GPU implementation in `ldpctest` unitary test (NCTU)
* A few CI python fixes and to enable back parallel build on RRU
* Documentation update on the supported feature list

ci-scripts/constants.py

@@ -57,6 +57,7 @@ OAI_UE_PROCESS_ASSERTION = -22
 OAI_UE_PROCESS_FAILED = -23
 OAI_UE_PROCESS_NO_TUNNEL_INTERFACE = -24
 OAI_UE_PROCESS_SEG_FAULT = -25
+OAI_UE_PROCESS_NO_MBMS_MSGS = -26
 OAI_UE_PROCESS_OK = +6
 
 UE_STATUS_DETACHED = 0

ci-scripts/html.py

@@ -326,7 +326,7 @@ class HTMLManagement():
 					continue
 
 				self.htmlFile.write('      <tr>\n')
-				self.htmlFile.write('        <th colspan=8>' + str('eNB') + ' Server Characteristics</th>\n')
+				self.htmlFile.write('        <th colspan=8>' + str(machine) + ' Server Characteristics</th>\n')
 				self.htmlFile.write('      </tr>\n')
 				self.htmlFile.write('      <tr>\n')
 				self.htmlFile.write('        <td>OS Version</td>\n')

ci-scripts/main.py

@@ -2432,6 +2432,7 @@ class OaiCiTest():
 		nrCRCOK = 0
 		mbms_messages = 0
 		HTML.SethtmlUEFailureMsg('')
+		global_status = CONST.ALL_PROCESSES_OK
 		for line in ue_log_file.readlines():
 			result = re.search('nr_synchro_time', str(line))
 			if result is not None:
@@ -2625,36 +2626,36 @@ class OaiCiTest():
 			else:
 				statMsg = 'UE did NOT SHOW "TRIED TO PUSH MBMS DATA" message(s)'
 				logging.debug('\u001B[1;30;41m ' + statMsg + ' \u001B[0m')
+				global_status = OAI_UE_PROCESS_NO_MBMS_MSGS
 			HTML.SethtmlUEFailureMsg(HTML.GethtmlUEFailureMsg() + statMsg + '\n')
 		if foundSegFault:
 			logging.debug('\u001B[1;37;41m UE ended with a Segmentation Fault! \u001B[0m')
 			if not nrUEFlag:
-				return CONST.OAI_UE_PROCESS_SEG_FAULT
+				global_status = CONST.OAI_UE_PROCESS_SEG_FAULT
 			else:
 				if not frequency_found:
-					return CONST.OAI_UE_PROCESS_SEG_FAULT
+					global_status = CONST.OAI_UE_PROCESS_SEG_FAULT
 		if foundAssertion:
 			logging.debug('\u001B[1;30;43m UE showed an assertion! \u001B[0m')
 			HTML.SethtmlUEFailureMsg(HTML.GethtmlUEFailureMsg() + 'UE showed an assertion!\n')
 			if not nrUEFlag:
 				if not mib_found or not frequency_found:
-					return CONST.OAI_UE_PROCESS_ASSERTION
+					global_status = CONST.OAI_UE_PROCESS_ASSERTION
 			else:
 				if not frequency_found:
-					return CONST.OAI_UE_PROCESS_ASSERTION
+					global_status = CONST.OAI_UE_PROCESS_ASSERTION
 		if foundRealTimeIssue:
 			logging.debug('\u001B[1;37;41m UE faced real time issues! \u001B[0m')
 			HTML.SethtmlUEFailureMsg(HTML.GethtmlUEFailureMsg() + 'UE faced real time issues!\n')
-			#return CONST.ENB_PROCESS_REALTIME_ISSUE
 		if nrUEFlag:
 			if not frequency_found:
-				return CONST.OAI_UE_PROCESS_COULD_NOT_SYNC
+				global_status = CONST.OAI_UE_PROCESS_COULD_NOT_SYNC
 		else:
 			if no_cell_sync_found and not mib_found:
 				logging.debug('\u001B[1;37;41m UE could not synchronize ! \u001B[0m')
 				HTML.SethtmlUEFailureMsg(HTML.GethtmlUEFailureMsg() + 'UE could not synchronize!\n')
-				return CONST.OAI_UE_PROCESS_COULD_NOT_SYNC
-		return 0
+				global_status = CONST.OAI_UE_PROCESS_COULD_NOT_SYNC
+		return global_status
 
 
 	def TerminateFlexranCtrl(self):

ci-scripts/ran.py

@@ -366,7 +366,7 @@ class RANManagement():
 		count = 40
 		buildOAIprocess = True
 		while (count > 0) and buildOAIprocess:
-			mySSH.command('ps aux | grep --color=never build_ | grep -v grep', '\$', 3)
+			mySSH.command('ps aux | grep --color=never build_ | grep -v grep', '\$', 6)
 			result = re.search('build_oai', mySSH.getBefore())
 			if result is None:
 				buildOAIprocess = False
@@ -607,7 +607,11 @@ class RANManagement():
 					enbDidSync = True
 					time.sleep(10)
 
-		if enbDidSync and eNBinNoS1:
+		rruCheck = False
+		result = re.search('^rru|^du.band', str(config_file))
+		if result is not None:
+			rruCheck = True
+		if enbDidSync and eNBinNoS1 and not rruCheck:
 			mySSH.command('ifconfig oaitun_enb1', '\$', 4)
 			mySSH.command('ifconfig oaitun_enb1', '\$', 4)
 			result = re.search('inet addr:1|inet 1', mySSH.getBefore())
@@ -812,6 +816,7 @@ class RANManagement():
 		X2HO_state = CONST.X2_HO_REQ_STATE__IDLE
 		X2HO_inNbProcedures = 0
 		X2HO_outNbProcedures = 0
+		global_status = CONST.ALL_PROCESSES_OK
 		for line in enb_log_file.readlines():
 			if X2HO_state == CONST.X2_HO_REQ_STATE__IDLE:
 				result = re.search('target eNB Receives X2 HO Req X2AP_HANDOVER_REQ', str(line))
@@ -1030,30 +1035,23 @@ class RANManagement():
 					rruMsg = 'Slave RRU DID NOT receive the RRU_frame_resynch command from RAU'
 					logging.debug('\u001B[1;37;41m ' + rruMsg + ' \u001B[0m')
 					htmleNBFailureMsg += rruMsg + '\n'
-					self.prematureExit(True)
-					return CONST.ENB_PROCESS_SLAVE_RRU_NOT_SYNCED
+					self.prematureExit = True
+					global_status = CONST.ENB_PROCESS_SLAVE_RRU_NOT_SYNCED
 		if foundSegFault:
 			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB ended with a Segmentation Fault! \u001B[0m')
-			if self.htmlObj is not None:
-				self.htmlObj.SetHmleNBFailureMsg(htmleNBFailureMsg)
-			return CONST.ENB_PROCESS_SEG_FAULT
+			global_status = CONST.ENB_PROCESS_SEG_FAULT
 		if foundAssertion:
 			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB ended with an assertion! \u001B[0m')
 			htmleNBFailureMsg += msgAssertion
-			if self.htmlObj is not None:
-				self.htmlObj.SetHmleNBFailureMsg(htmleNBFailureMsg)
-			return CONST.ENB_PROCESS_ASSERTION
+			global_status = CONST.ENB_PROCESS_ASSERTION
 		if foundRealTimeIssue:
 			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB faced real time issues! \u001B[0m')
 			htmleNBFailureMsg += nodeB_prefix + 'NB faced real time issues!\n'
-			#return CONST.ENB_PROCESS_REALTIME_ISSUE
 		if rlcDiscardBuffer > 0:
 			rlcMsg = nodeB_prefix + 'NB RLC discarded ' + str(rlcDiscardBuffer) + ' buffer(s)'
 			logging.debug('\u001B[1;37;41m ' + rlcMsg + ' \u001B[0m')
 			htmleNBFailureMsg += rlcMsg + '\n'
+			global_status = CONST.ENB_PROCESS_REALTIME_ISSUE
 		if self.htmlObj is not None:
 			self.htmlObj.SetHmleNBFailureMsg(htmleNBFailureMsg)
-			return CONST.ENB_PROCESS_REALTIME_ISSUE
-		if self.htmlObj is not None:
-			self.htmlObj.SetHmleNBFailureMsg(htmleNBFailureMsg)
-		return 0
+		return global_status

ci-scripts/reportTestLocally.sh

@@ -724,8 +724,8 @@ function report_test {
                     echo "        </pre></td>" >> ./test_simulator_results.html
                     echo "      </tr>" >> ./test_simulator_results.html
                 fi
-                #PING_LOGS=`ls $ARCHIVES_LOC/${TMODE}_${BW}MHz_${UES}users_${CN_CONFIG}_ping*.log 2> /dev/null`
-                #analyzePingFiles
+                PING_LOGS=`ls $ARCHIVES_LOC/${TMODE}_${BW}prb_${CN_CONFIG}_ping*.log 2> /dev/null`
+                analyzePingFiles
 
                 IPERF_TESTS=`ls $ARCHIVES_LOC/${TMODE}_${BW}prb_${CN_CONFIG}_iperf_dl*client*txt 2> /dev/null`
                 analyzeIperfFiles

ci-scripts/runTestOnVM.sh

@@ -523,9 +523,9 @@ function install_epc_on_vm {
         echo "############################################################"
         echo "[ -f 01proxy ] && sudo cp 01proxy /etc/apt/apt.conf.d/" > $LOC_EPC_VM_CMDS
         echo "touch /home/ubuntu/.hushlogin" >> $LOC_EPC_VM_CMDS
-        echo "echo \"sudo apt-get --yes --quiet install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev daemon iperf\"" >> $LOC_EPC_VM_CMDS
+        echo "echo \"sudo apt-get --yes --quiet install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev iperf\"" >> $LOC_EPC_VM_CMDS
         echo "sudo apt-get update > zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS
-        echo "sudo apt-get --yes install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev daemon iperf >> zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS
+        echo "sudo apt-get --yes install zip openjdk-8-jre libconfuse-dev libreadline-dev liblog4c-dev libgcrypt-dev libsctp-dev python2.7 python2.7-dev iperf >> zip-install.txt 2>&1" >> $LOC_EPC_VM_CMDS
 
         # Installing HSS
         echo "echo \"cd /opt\"" >> $LOC_EPC_VM_CMDS
@@ -588,8 +588,6 @@ function start_epc {
         echo "echo \"cd /opt/hss_sim0609\"" > $LOC_EPC_VM_CMDS
         echo "cd /opt/hss_sim0609" >> $LOC_EPC_VM_CMDS
         echo "sudo rm -f hss.log" >> $LOC_EPC_VM_CMDS
-        #echo "echo \"sudo daemon --unsafe --name=simulated_hss --chdir=/opt/hss_sim0609 ./starthss_real\"" >> $LOC_EPC_VM_CMDS
-        #echo "sudo daemon --unsafe --name=simulated_hss --chdir=/opt/hss_sim0609 ./starthss_real" >> $LOC_EPC_VM_CMDS
         echo "echo \"screen -dm -S simulated_hss ./starthss_real\"" >> $LOC_EPC_VM_CMDS
         echo "sudo su -c \"screen -dm -S simulated_hss ./starthss_real\"" >> $LOC_EPC_VM_CMDS
 
@@ -656,8 +654,6 @@ function terminate_epc {
         echo "cd /opt/ltebox/tools" >> $1
         echo "echo \"sudo ./stop_ltebox\"" >> $1
         echo "sudo ./stop_ltebox" >> $1
-        echo "echo \"sudo daemon --name=simulated_hss --stop\"" >> $1
-        echo "sudo daemon --name=simulated_hss --stop" >> $1
         echo "echo \"sudo killall --signal SIGKILL hss_sim\"" >> $1
         echo "sudo killall --signal SIGKILL hss_sim" >> $1
         ssh -T -o StrictHostKeyChecking=no ubuntu@$2 < $1

ci-scripts/xml_files/multi_rru_band38_build.xml

@@ -33,7 +33,7 @@
 	<testCase id="010101">
 		<class>Build_eNB</class>
 		<desc>Build RCC</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>0</eNB_instance>
 		<eNB_serverId>0</eNB_serverId>
 		<backgroundBuild>True</backgroundBuild>
@@ -42,7 +42,7 @@
 	<testCase id="000101">
 		<class>WaitEndBuild_eNB</class>
 		<desc>Wait for end of Build RCC</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>0</eNB_instance>
 		<eNB_serverId>0</eNB_serverId>
 	</testCase>
@@ -50,7 +50,7 @@
 	<testCase id="010102">
 		<class>Build_eNB</class>
 		<desc>Build Master RRU</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>1</eNB_instance>
 		<eNB_serverId>1</eNB_serverId>
 		<backgroundBuild>True</backgroundBuild>
@@ -59,7 +59,7 @@
 	<testCase id="000102">
 		<class>WaitEndBuild_eNB</class>
 		<desc>Wait for end of Build Master RRU</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>1</eNB_instance>
 		<eNB_serverId>1</eNB_serverId>
 	</testCase>
@@ -67,7 +67,7 @@
 	<testCase id="010103">
 		<class>Build_eNB</class>
 		<desc>Build Slave RRU</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>2</eNB_instance>
 		<eNB_serverId>2</eNB_serverId>
 		<backgroundBuild>True</backgroundBuild>
@@ -76,7 +76,7 @@
 	<testCase id="000103">
 		<class>WaitEndBuild_eNB</class>
 		<desc>Wait for end of Build Slave RRU</desc>
-		<Build_eNB_args>-w USRP -c --eNB</Build_eNB_args>
+		<Build_eNB_args>-w USRP -c --eNB --ninja</Build_eNB_args>
 		<eNB_instance>2</eNB_instance>
 		<eNB_serverId>2</eNB_serverId>
 	</testCase>

ci-scripts/xml_files/multi_rru_band38_test_10mhz_tm1.xml

@@ -24,7 +24,7 @@
 	<htmlTabRef>test-multi-rru-10</htmlTabRef>
 	<htmlTabName>Test-Multi-RRU-10MHz</htmlTabName>
 	<htmlTabIcon>tasks</htmlTabIcon>
-	<repeatCount>4</repeatCount>
+	<repeatCount>2</repeatCount>
 	<TestCaseRequestedList>
  030211 030212 030213
  030111 030112 030113

cmake_targets/CMakeLists.txt

@@ -39,6 +39,33 @@ set (OPENAIR_BIN_DIR ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY})
 
 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 "${CUDA_NVCC_FLAGS};-lpthread;-w;-O3;--default-stream;per-thread;-I/usr/local/cuda/inc;-L/usr/local/cuda/lib -lcutil;-rdc=true;-lcudadevrt")
+    SET(CUDA_VERBOSE_BUILD ON)
+    SET(CUDA_HOST_COMPILER "/usr/bin/g++")
+
+    SET(CUDA_SEPARABLE_COMPILATION ON)
+
+else (CUDA_FOUND)
+   message ("No CUDA tool installed")
+endif ()
+
+
 ###########################################
 # macros to define options as there is numerous options in oai
 ################################################
@@ -169,13 +196,30 @@ endif()
 set(CMAKE_C_FLAGS
   "${CMAKE_C_FLAGS} ${C_FLAGS_PROCESSOR} -pipe -std=gnu99 -Wall -Wstrict-prototypes -fno-strict-aliasing -rdynamic -funroll-loops -Wno-packed-bitfield-compat -fPIC")
 # add autotools definitions that were maybe used!
-set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'")
-set(CMAKE_C_FLAGS
+if (CUDA_FOUND)
+	set(MKVER "'MAKE_VERSION(a,b,c)=((a)*256+(b)*16+c)'")
+    set(CUDA_CMAKE_C_FLAGS
+           "${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}"
-)
-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}"
-)
+    )
+endif ()
 
 add_definitions("-DASN_DISABLE_OER_SUPPORT")
 
@@ -2781,12 +2825,54 @@ target_link_libraries(smallblocktest
   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}
        ${OPENAIR1_DIR}/PHY/CODING/TESTBENCH/ldpctest.c
        ${T_SOURCE}
        ${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 ) 
 
 target_link_libraries(ldpctest

cmake_targets/build_oai

@@ -702,6 +702,7 @@ function main() {
     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"
     for f in $simlist ; do
       compilations \
         phy_simulators $f \

openair1/PHY/CODING/TESTBENCH/ldpctest.c

@@ -27,7 +27,7 @@
 #include "SIMULATION/TOOLS/sim.h"
 #include "PHY/CODING/nrLDPC_extern.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_BLOCK_LENGTH 8448
 
@@ -102,7 +102,8 @@ int test_ldpc(short No_iteration,
               unsigned int *crc_misses,
               time_stats_t *time_optim,
               time_stats_t *time_decoder,
-              n_iter_stats_t *dec_iter)
+              n_iter_stats_t *dec_iter,
+              short run_cuda)
 {
   //clock initiate
   //time_stats_t time,time_optim,tinput,tprep,tparity,toutput, time_decoder;
@@ -114,7 +115,6 @@ int test_ldpc(short No_iteration,
 
   double sigma;
   sigma = 1.0/sqrt(2*SNR);
-
   opp_enabled=1;
   cpu_freq_GHz = get_cpu_freq_GHz();
   //short test_input[block_length];
@@ -400,12 +400,22 @@ int test_ldpc(short No_iteration,
 
       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));
         ///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);
-      
+        }
+#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);
       }
 
@@ -513,6 +523,8 @@ int main(int argc, char *argv[])
   short No_iteration=5;
   int n_segments=1;
   //double rate=0.333;
+  short run_cuda = 0;
+  
   int nom_rate=1;
   int denom_rate=3;
   double SNR0=-2.0,SNR,SNR_lin;
@@ -531,7 +543,7 @@ int main(int argc, char *argv[])
 
   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)
     {
       case 'q':
@@ -550,6 +562,10 @@ int main(int argc, char *argv[])
         block_length = atoi(optarg);
         break;
 		
+      case 'G':
+        run_cuda = atoi(optarg);
+        break;
+
       case 'n':
         n_trials = atoi(optarg);
         break;
@@ -584,6 +600,7 @@ int main(int argc, char *argv[])
               printf("-r Nominator rate, (1, 2, 22), 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("-G give 1 to run cuda for LDPC, Default: 0\n");
               printf("-n Number of simulation trials, Default: 1\n");
               //printf("-M MCS2 for TB 2\n");
               printf("-s SNR per information bit (EbNo) in dB, Default: -2\n");
@@ -674,7 +691,8 @@ int main(int argc, char *argv[])
                                 &crc_misses,
                                 time_optim,
                                 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, BER %f (%u/%d)\n", SNR, (float)errors_bit/(float)n_trials/(float)block_length/(double)n_segments, decoded_errors[i], n_trials);

openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.h

+#ifndef __NR_LDPC_DECODER_LYC__H__
+#define __NR_LDPC_DECODER_LYC__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