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mal/perf.mal
Joel Martin 1332215754 perf: more accurate iter count (last-iters).
We should return the iter count prior to then final iteration because
the final one was incomplete when the 10 seconds expired.
2018-07-16 12:33:36 -05:00

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(defmacro! time
(fn* (exp)
`(let* (start_FIXME (time-ms)
ret_FIXME ~exp)
(do
(prn (str "Elapsed time: " (- (time-ms) start_FIXME) " msecs"))
ret_FIXME))))
(def! run-fn-for*
(fn* [fn max-ms acc-ms last-iters]
(let* [start (time-ms)
_ (fn)
elapsed (- (time-ms) start)
iters (+ 1 last-iters)
new-acc-ms (+ acc-ms elapsed)]
;(do (prn "new-acc-ms:" new-acc-ms "iters:" iters))
(if (>= new-acc-ms max-ms)
last-iters
(run-fn-for* fn max-ms new-acc-ms iters)))))
(def! run-fn-for
(fn* [fn max-secs]
(do
;; Warm it up first
(run-fn-for* fn 1000 0 0)
;; Now do the test
(run-fn-for* fn (* 1000 max-secs) 0 0))))