From: Brian Hurt <bhurt@spnz.org>
To: Dustin Sallings <dustin@spy.net>
Cc: Caml Mailing List <caml-list@inria.fr>
Subject: Re: [Caml-list] removing an item from a list efficiently
Date: Fri, 7 Nov 2003 10:50:30 -0600 (CST) [thread overview]
Message-ID: <Pine.LNX.4.44.0311071048560.5009-100000@localhost.localdomain> (raw)
In-Reply-To: <483F0AC5-1105-11D8-AC71-000393CFE6B8@spy.net>
On Fri, 7 Nov 2003, Dustin Sallings wrote:
>
> I'm trying to implement an LRU cache and I'm using a list to keep up
> with the accesses. I'm using filter to remove the item for
> repositioning it. That's very slow.
>
> Is there a better way to efficiently move a list item to the front, or
> should I just implement a linked list to meet my requirements?
>
>
If delete needs to be fast, consider using a different data structure.
Look at the Set, Map, and Hashtbl libraries.
Brian
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prev parent reply other threads:[~2003-11-07 15:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-07 9:32 Dustin Sallings
2003-11-07 9:49 ` jrouquie
2003-11-07 12:46 ` Stefano Zacchiroli
2003-11-08 8:49 ` Dustin Sallings
2003-11-08 9:16 ` Stefano Zacchiroli
2003-11-09 1:13 ` Dustin Sallings
2003-11-08 10:59 ` Oleg Trott
2003-11-08 11:02 ` Oleg Trott
2003-11-08 18:57 ` Brian Hurt
2003-11-07 16:50 ` Brian Hurt [this message]
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