From: "Dr. Thomas Fischbacher" <t.fischbacher@soton.ac.uk>
To: Raj Bandyopadhyay <rajb@rice.edu>
Cc: "caml-list@yquem.inria.fr" <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] Array copying in OCaml
Date: Thu, 24 Jul 2008 17:37:58 +0100 [thread overview]
Message-ID: <4888AFE6.8060108@soton.ac.uk> (raw)
In-Reply-To: <4888AE76.2030204@rice.edu>
Raj Bandyopadhyay wrote:
> I have an application which copies a lot of (small) OCaml arrays using
> the Array library (Array.sub and Array.blit) functions. This is turning
> out to be extremely expensive.
>
> Is there any general way/trick to reduce the cost of this kind of
> operation? I haven't found a way not to copy as much, because the
> program semantics seems to demand it.
Are you sure there is no way delaying copying to the latest possible
time (e.g. by introducing an intermediate array to which you copy data
and which you use until you know for sure that you will have to hold
on to your copy)?
--
best regards,
Thomas Fischbacher
t.fischbacher@soton.ac.uk
next prev parent reply other threads:[~2008-07-24 16:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-24 16:31 Raj Bandyopadhyay
2008-07-24 16:37 ` Dr. Thomas Fischbacher [this message]
2008-07-24 17:25 ` [Caml-list] " Christophe TROESTLER
2008-07-24 19:46 ` Adrien
2008-07-28 2:03 ` Raj Bandyopadhyay
2008-07-28 7:52 ` Richard Jones
2008-07-28 17:34 ` Raj Bandyopadhyay
2008-07-28 21:11 ` Richard Jones
2008-07-29 9:37 ` Michel Mauny
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