From: Malcolm Matalka <mmatalka@gmail.com>
To: 沈胜宇 <syshen@nudt.edu.cn>
Cc: caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] [OCAML]:: the cost of List.length
Date: Sun, 14 Apr 2013 15:32:34 +0200 [thread overview]
Message-ID: <CAKziXDVh8MMddwK85NG9piX4tdiXQnqTA7_32jNPLyn_pyuxOw@mail.gmail.com> (raw)
In-Reply-To: <1cbcde35.47c9.13e08b6f72a.Coremail.syshen@nudt.edu.cn>
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O(n)
Den 14 apr 2013 15:27 skrev "沈胜宇" <syshen@nudt.edu.cn>:
> Dear all:
>
> I have a program that run very fast.
>
> Recently, I add a call to List.length to this old program's inner loop,
> which make it significantly slower.
>
> So what is the cost of List.length, is it liner to the size of the list?
> or is a const?
>
> Shen
>
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next prev parent reply other threads:[~2013-04-14 13:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-14 13:23 沈胜宇
2013-04-14 13:32 ` Malcolm Matalka [this message]
2013-04-15 6:29 ` David House
2013-04-15 11:05 ` 沈胜宇
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