[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Chicken-users] utf8 and string-ref performance

From: Alan Post
Subject: Re: [Chicken-users] utf8 and string-ref performance
Date: Wed, 24 Nov 2010 11:33:37 -0700

On Wed, Nov 24, 2010 at 07:15:49PM +0100, Peter Bex wrote:
> On Wed, Nov 24, 2010 at 07:13:10PM +0100, Felix wrote:
> > > With cons cells you should be able to implement this efficiently enough.
> > > We don't have anything like string-pointers which can store arbitrary
> > > indices in a string AFAIK.  That would be useful to have, I guess.
> > 
> > How should that look? Would locatives be useful here?
> I'm afraid this is just the "shared substring/blob" structure proposal
> in another guise.  I don't know if locatives are useful; those can't
> really be kept around for a long time, can they?

Weeks ago when I posted the thread about using mmap it was because in
relationship to this problem, I'm looking for the best performance I
can get in the inner loop of my parser, where I'm matching against
the input buffer.

.i ko djuno fi le do sevzi

reply via email to

[Prev in Thread] Current Thread [Next in Thread]