Hi Christopher,
I ran your code with only one modification, using the "time" macro to
measure the execution time of the mapper function itself:
(use ['clojure.java.io :only '(reader)])
(use ['clojure.string :only '(split)])
(defn mapper [lines]
(doseq [line lines]
(doseq [word (split line #"\s+")]
(println (str word "\t1")))))
(time (mapper (line-seq (reader *in*))))
Processing a file that contained 1 copy of the "Hound of Baskerville" text
took 1.9 seconds.
Processing a file that contained 2 copies of the text took 2.8 seconds.
Processing a file that contained 4 copies of the text took 3.8 seconds.
I did not use cake, but ran mapper.clj via a direct call to the java
executable. So I think the times you're seeing is due to either Cake or the
way the timing is done.
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