RE: RES: [Dev-C++] Re: C and C++

[Ioannis V. <iv...@at...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Per Westermark
> Sent: Thursday, April 24, 2003 1:58 AM
> To: Daniel K. O.
> Cc: dev...@li...
> Subject: Re: RES: [Dev-C++] Re: C and C++
> 
> 
> One problem with bigger code is that just about all 
> applications larger
> than hello world is getting bigger than the processor cache. That,
> together with multiple concurrently running programs, make us 
> loose a lot
> of the total processoer capacity in costly cache misses.
> 
> That is one situation where it is a bit easier to optimize in 
> a C program
> - a non-OO program makes it easier to place all costly functions close
> together in a single file, letting them better fit in the cache.


Or use the procedural paradigm of C++ (the C subset). A language having
almost C90 as a subset can't be any slower than C!


For direct hardware optimisation the C subset is to be used, that's the
rational thing to do. Please people do not confuse that C++ is only OO!
Anyone uses the combination of paradigms that fit the purpose.




Ioannis Vranos
 
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