From: Christoph Bauer <christoph.bauer@lms-gmbh.de>
To: caml-list <caml-list@inria.fr>
Subject: AW: [Caml-list] generic Hashtbl.to_array
Date: Tue, 25 Jul 2006 14:44:18 +0200 [thread overview]
Message-ID: <26EB47FDD566A7469FC862DAF373792F017112AD@kaiserslautern1.lmsintl.com> (raw)
>
> let to_array_4 t =
> let init = ref None in
> begin try Hashtbl.iter (fun k v -> init := Some (k,v);
> raise Exit) t
My guess: hashtbl has to loop over the first empty buckets.
And this eats the cpu cycles.
> with Exit -> ()
> end;
> match !init with
> | None -> [| |]
> | Some i ->
> let a = Array.make (Hashtbl.length t) i in
> ignore (Hashtbl.fold (fun k v i -> a.(i) <- (k, v); i
> + 1) t 0);
> a
Regards,
Christoph Bauer
next reply other threads:[~2006-07-25 12:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-25 12:44 Christoph Bauer [this message]
2006-07-25 15:20 ` Tom
2006-08-15 8:08 ` Stéphane Glondu
2006-07-26 9:46 ` AW: " Damien Doligez
-- strict thread matches above, loose matches on Subject: below --
2006-07-26 14:41 Christoph Bauer
2006-07-26 9:29 Christoph Bauer
2006-07-25 15:53 AW: " Christoph Bauer
2006-07-25 16:35 ` Tom
2006-07-25 15:34 Christoph Bauer
2006-07-25 10:19 Christoph Bauer
2006-07-25 10:45 ` skaller
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