Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!apollo!wyant
From: wyant@apollo.COM (Geoffrey Wyant)
Newsgroups: comp.lang.misc
Subject: Re: general object oriented reference
Message-ID: <43708450.13255@apollo.COM>
Date: 25 May 89 21:30:00 GMT
References: <1610003@hpcilzb.HP.COM> <3129@cps3xx.UUCP>
Reply-To: wyant@su3.UUCP (Geoffrey Wyant)
Organization: Apollo Computer, Chelmsford, MA
Lines: 26


>  HUH?  Not the last I read it, it wasn't.  Dr. Cox is the designer of 
>  ObjectiveC not C++, and thus the book is rife with ObjC code.  (ObjC is 
>  the "native" language of the NeXT box, and unfortunately implies that 
>  everything that you write in it MUST include substantial overhead for 
>  their message-passing function.  I have heard that it >40k of additional
>  code, and it decreases execution speed by at least 10%.  Confirm?)
>  
>  
>  
>  Robert Raisch - TechnoJunkie & UnixNut| UseNet: {uunet,mailrus}!frith!raisch
>  Network Software Group-301 Comp.Center| InterNet: raisch@frith.egr.msu.edu 
>  Michigan State University, E. Lansing | ICBMNet: 084 28 50 W / 42 43 29 N
>  ----- The meek WILL inherit the Earth, (Some of us have other plans). ------
>  
>  

Although I'm no fan of Objective-C, that have improved their message dispatch
time quite a bit.  They report that a message dispatch now costs about 1.5 times
a normal procedure call.  I don't believe that the bare-bones runtime adds
up to 40K, but I could be wrong.


-- 

    UUCP: wyant@apollo.com