llil3grt (fixed string length=6) start
   - openmp version
get_properties      CPU time : 2.34487 secs
emplace set sort    CPU time : 0.942098 secs
write stdout        CPU time : 0.855157 secs
total               CPU time : 4.14223 secs
total        wall clock time : 4 secs

real    0m4.752s
user    0m4.241s
sys     0m0.511s