iota-in-memory.clj

(def test-file "/path/to/datafile-4gb.tsv")
;;
;; here is the work done - iota does very fast file consumption into memory
;;
user> (time (def test-vec  (iota/vec test-file)))
"Elapsed time: 21187.659866 msecs"
#'user/test-vec
user> (/ 21187.659866 81299000)
2.6061402804462543E-4
;;
;; super-fast, as it is a in-memory operation
;;
user> (time (count test-vec))
"Elapsed time: 0.047906 msecs"
81299000