File: parallel.ml

package info (click to toggle)
ocaml 5.4.0-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 44,372 kB
  • sloc: ml: 370,196; ansic: 52,820; sh: 27,396; asm: 5,462; makefile: 3,679; python: 974; awk: 278; javascript: 273; perl: 59; fortran: 21; cs: 9
file content (42 lines) | stat: -rw-r--r-- 1,040 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
(* TEST
 include str;
 hasstr;
 {
   bytecode;
 }{
   native;
 }
*)

let total = Atomic.make 0

let run str () =
  let re = Str.regexp str in
  let input = "The quick brown fox jumped over the lazy_t" in
  match Str.search_forward re input 0 with
  | exception Not_found -> Atomic.decr total
  | _ ->
      let s = Str.matched_group 0 input in
      if not (String.equal s str) then
        Atomic.decr total
      else
        Atomic.incr total

let _ =
  (* generate a set of cases matching the reference input or not. *)
  let domain_params = List.init 7
    (fun i -> if i mod 2 == 0 then "the lazy_t" else "the lazy dog")
  in
  for i = 0 to 3 do
    let domains =
      List.map (fun param -> Domain.spawn (run param)) domain_params
    in
    (* domain 0 is an "odd" case, required to achieve a neutral total by the end *)
    run "the lazy dog" ();
    List.iter Domain.join domains
  done;
  let total' = Atomic.get total in
  if total' != 0 then
    Printf.eprintf "NOK: total is not 0: %d\n" total'
  else
    print_endline "OK"