[NPU] add unit test retry for NPU UT, test=develop (#34443)

paddle/scripts/paddle_build.sh

@@ -1627,7 +1627,6 @@ function parallel_test_base_npu() {
 EOF
 
 set +x
-        ut_startTime_s=`date +%s`
         test_cases=$(ctest -N -V) # get all test cases
         get_quickly_disable_ut||disable_ut_quickly=''   # indicate whether the case was in quickly disable list
         while read -r line; do
@@ -1643,12 +1642,73 @@ set +x
         done <<< "$test_cases";
         card_test "$single_card_tests" 1
         collect_failed_tests
-set -x
-        ut_endTime_s=`date +%s`
-        echo "NPU testCase Time: $[ $ut_endTime_s - $ut_startTime_s ]s"
+        # add unit test retry for NPU
+        rm -f $tmp_dir/*
+        exec_times=0
+        retry_unittests_record=''
+        retry_time=3
+        exec_time_array=('first' 'second' 'third')
+        exec_retry_threshold=10
+        is_retry_execuate=0
+        if [ -n "$failed_test_lists" ];then
+            if [ ${TIMEOUT_DEBUG_HELP:-OFF} == "ON" ];then
+                bash $PADDLE_ROOT/tools/timeout_debug_help.sh "$failed_test_lists"    # cat logs for tiemout uts which killed by ctest
+            fi
+            read need_retry_ut_str <<< $(echo "$failed_test_lists" | grep -oEi "\-.+\(.+\)" | sed 's/(.\+)//' | sed 's/- //' )
+            need_retry_ut_arr=(${need_retry_ut_str})
+            need_retry_ut_count=${#need_retry_ut_arr[@]}
+            read retry_unittests <<< $(echo "$failed_test_lists" | grep -oEi "\-.+\(.+\)" | sed 's/(.\+)//' | sed 's/- //' )
+            if [ $need_retry_ut_count -lt $exec_retry_threshold ];then
+                while ( [ $exec_times -lt $retry_time ] )
+                    do
+                        set +e
+                        retry_unittests_record="$retry_unittests_record$failed_test_lists"
+                        failed_test_lists_ult=`echo "${failed_test_lists}" |grep -Po '[^ ].*$'`
+                        set -e
+                        if [[ "${exec_times}" == "1" ]];then
+                            if [[ "${failed_test_lists}" == "" ]];then
+                                break
+                            else
+                                read retry_unittests <<< $(echo "$failed_test_lists" | grep -oEi "\-.+\(.+\)" | sed 's/(.\+)//' | sed 's/- //' )
+                            fi
+                        fi
+                        echo "========================================="
+                        echo "This is the ${exec_time_array[$exec_times]} time to re-run"
+                        echo "========================================="
+                        echo "The following unittest will be re-run:"
+                        echo "${retry_unittests}"
+                            
+                        for line in ${retry_unittests[@]} ;
+                            do
+                                read tmp_one_tmp <<< "$( echo $single_card_tests | grep -oEi $line )"
+                                if [[ "$tmp_one_tmp" != ""  ]]; then
+                                    if [[ "$one_card_retry" == "" ]]; then
+                                        one_card_retry="^$line$"
+                                    else
+                                        one_card_retry="$one_card_retry|^$line$"
+                                    fi
+                                fi
+                            done
+
+                        if [[ "$one_card_retry" != "" ]]; then
+                            card_test "$one_card_retry" 1
+                        fi
+
+                        exec_times=$[$exec_times+1]
+                        failed_test_lists=''
+                        collect_failed_tests
+                        rm -f $tmp_dir/*
+                        one_card_retry=''
+                    done
+            else 
+                # There are more than 10 failed unit tests, so no unit test retry
+                is_retry_execuate=1
+            fi
+        fi
         if [[ "$EXIT_CODE" != "0" ]]; then
-            exit 8;
+            show_ut_retry_result
         fi
+set -ex
     fi   
 }