$ ./llil2vec_11149482 big1.txt big2.txt big3.txt >vec.tmp
llil2vec start
get_properties      CPU time : 3.41497 secs
emplace set sort    CPU time : 1.04229 secs
write stdout        CPU time : 1.31578 secs
total               CPU time : 5.77311 secs
total        wall clock time : 5 secs

$ ./llil2vec_11149482 long1.txt long2.txt long3.txt >vec.tmp 
llil2vec start
get_properties      CPU time : 1.14889 secs
emplace set sort    CPU time : 0.057158 secs
write stdout        CPU time : 0.003307 secs
total               CPU time : 1.20943 secs
total        wall clock time : 2 secs

$ ./llil2vec_11149482 big1.txt big2.txt big3.txt >vec.tmp
llil2vec (fixed string length=6) start
get_properties      CPU time : 2.43187 secs
emplace set sort    CPU time : 0.853877 secs
write stdout        CPU time : 1.33636 secs
total               CPU time : 4.62217 secs
total        wall clock time : 5 secs