From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: Yet another efficiency question - To_Lower
Date: 1997/07/04
Date: 1997-07-04T00:00:00+00:00 [thread overview]
Message-ID: <dewar.868021626@merv> (raw)
In-Reply-To: 5pclke$203$1@goanna.cs.rmit.edu.au
Dale asks
<<My simple view of the implementation of the function would be that it
allocates space (heap? secondary stack?), copies the values from
Some_String to the temporary, modifies the value, and then copies it
back. (I'm always concerned when I think I see cases of copies being
made for no good reason).
>>
Indeed, functions returning variable length results will alwqays be less
efficient than operating in place on an in out fixed length parameter
(fixed length for a particular call).
next prev parent reply other threads:[~1997-07-04 0:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
1997-07-02 0:00 Yet another efficiency question - To_Lower Dale Stanbrough
1997-07-03 0:00 ` Matthew Heaney
1997-07-04 0:00 ` Robert Dewar [this message]
1997-07-11 0:00 ` Dale Stanbrough
1997-07-11 0:00 ` Matthew Heaney
1997-07-15 0:00 ` Laurent Guerby
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