G'Day Paul,
 
-=> Quoting Paul Edwards to Frank Adam <=-
 PE> Show me the C++ code you think would be slower if written in C. Or
 PE> better  still, write both the C and C++ versions, and have a look 
 PE> at the assembler generated for each, and look at the 
 PE> relative code.  They should be the same (speedwise).  BFN.  
 
 FA> NO WAY, NO HOW am i getting into a C vs. C++ argument, 
 FA> but if i had to use 

 PE> Doing "performance tuning" without the grottiness of 
 PE> actually using profiler, looking at assembler etc, eh?  :-)
I'm not all that paranoid about speed in textmode. Did you have to do a 
lot of tuning on Msged, and if so was it worth it ?
    
Talking about profilers, with release 4++ on, Borland decided that we
don't need one anymore. I tend to disagree, so do you know of a generic  
profiler ? (if there can be such thing)
My TurboC prof won't touch the BC4 code, perhaps it knows s'thing.:)
 
 FA> structures and pass them to individual functions, i would assume that a 
 FA> single class using local(to it) variables would speed things up.
 PE> How did you think those C++ functions would know which 
 PE> object they were acting on?  ESP?  Just happened to be 
 PE> sitting in a register, guv'ner.
I thought about that too after i've posted it.
 
 FA> Isn't David (our C++ guru) going to help me out here ? :-)
 PE> When a duck is dead, it doesn't quack anymore.
Quack.

 PE> You do realise that the original C++ was just a translator that
 PE> produced C  code, don't you?  Ergo, whatever was done in C++ can be 
No i didn't. By the time i got to it, it had virtual functions, 
overloading etc..
AMOF o/loading has to be the most appealing thing (to me) about C++.

 PE> done in C.  In the above case, going x.func() is the
 PE> equivalent of going xfunc(&x).  Or at least, that's my 
 PE> understanding of it.  BFN.  Paul. 
From what i could gather and understand from the asm outputs, the C++ spends 
a fair bit of time setting up data tables, and then just becomes a big 
function(inline ?) 
It does look more efficient from there on. But that setting tables business
took about a 1/4 of the assmebly space. 
Then again me and assembly...

  L8r Frank (fadam{at}ozemail.com.au).
  

--- Gash