Most Lisps have a time macro that measures the execution time of
code.
| Implementation | Method | Procedure or Syntax | Remark |
|---|---|---|---|
| Bigloo | time |
procedure | |
| Biwa | n/a | ||
| Chibi | time |
syntax | (import (chibi time)) |
| Chicken | time |
syntax | time and memory |
| Chez | time |
syntax | time and memory |
| Cyclone | n/a | ||
| Gambit | time |
syntax | time and memory |
| Gauche | time |
syntax | only times |
| Guile | time |
REPL command, ,time exp |
time and momory |
| Kawa | ? | ||
| LIPS | n/a | ||
| Loko | time |
syntax | time and memory |
| MIT | with-timings |
procedure | time only (*) |
| Racket | time |
syntax | time and memory |
| Sagittarius | time |
syntax | (import (time)) - only times |
| Scheme 9 | n/a | ||
| STklos | time |
syntax | only times |
| Unsyntax | n/a | ||
| Ypsilon | time |
syntax | (import (ypsilon time)) |
(*) An example from the MIT Scheme Reference Manual:
(with-timings
(lambda () ... hairy computation ...)
(lambda (run-time gc-time real-time)
(write (internal-time/ticks->seconds run-time))
(write-char #\space)
(write (internal-time/ticks->seconds gc-time))
(write-char #\space)
(write (internal-time/ticks->seconds real-time))
(newline)))Other Lisps:
| System | Method | Procedure or Syntax |
|---|---|---|
| elisp | n/a | |
| Common Lisp | time |
syntax |
| Clojure | time |
syntax |