Subj : Re: OO compilers and efficiency
To   : comp.programming
From : Rob Thorpe
Date : Mon Jul 25 2005 03:17 am

> >> The equivalent Object Pascal code compiles in less than a second.
> >
> > There are many reasons for this, the biggest three are:
> > 1. The object pascal compiler is very fast because it doesn't optimize
> > much
>
> The pascal compilers optimize just as much.

Do you actually have any evidence of that?  Although it's possible for
a compiler to optimize a Pascal program more aggresively than a C one,
I've never seen a Pascal compiler as good as the good C ones.

> > 2. Many C++ programmers write very sub-optimal makefiles
> > 3. C++ has syntax that is difficult to parse, compared to C or Pascal
> > for example
>
> C compilatoin is also slow. The entire concept of using include files to
> share definitions is antiquated and inefficient. No matter how efficent
> you make your include files, the compiler has to parse through them
> character by character - for all the compiler knows, a header file
> somewhere could have done
>
> #define while somefunction ()

In some cases it's very useful, but yes, it's certainly inefficient.

.