$ ./llil2grt long1.txt long2.txt long3.txt >out.txt
llil2grt start
get_properties      CPU time : 0.559273 secs
emplace set sort    CPU time : 0.004393 secs
write stdout        CPU time : 0.003275 secs
total               CPU time : 0.567 secs
total        wall clock time : 1 secs

$ jconsole llil.ijs long1.txt long2.txt long3.txt out_j.txt
Read and parse input:    1.50791
Classify, sum, sort:     0.70953
Format and write output: 0.00430393
Total time:              2.22175

$ diff out.txt out_j.txt
$