From:	Glen Miner <gminer AT ca DOT newbridge DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Optimization
Date:	Thu, 28 Nov 1996 08:13:20 -0500 (EST)
Organization:	Newbridge Networks Corporation
Lines:	33
Message-ID:	<Pine.SUN.3.90.961128081057.29701E-100000@coop10>
References:	<Pine DOT SUN DOT 3 DOT 90 DOT 961127125213 DOT 12832A-100000 AT coop10> <329D6012 DOT D0E AT techfak DOT uni-kiel DOT de>
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

> Keep all these functions in the same file as your main recursion loop,
> mark them as 'static inline ...' and put a declaration of all these
> functions before any real code. GCC will happily insert them into the
> calling function if possible.

Hmm, I think that due to their size this may be a liability, but I'll try
it. 

> > How well will djgpp deal with two dimentional arrays? Say I'm stepping
> > through char MyArray[9][9] like so:
> > 
> >   for (x = 0; x < 6; x++)
> >     for (y = 0; y < 7; y++)
> >       MyArray [x][y] = SomeValue;
> 
> On a P133:
> 
> MyArray   GCC Options                               P-133  486-33
>  char     -O3                                        1005   7600
>  char     -O6 -fomit-frame-pointer -funroll-loops     975   3000
>  short    -O6 -fomit-frame-pointer -funroll-loops     925   3450
>  int      -O6 -fomit-frame-pointer -funroll-loops     905   2600
> 
> -> Use int and -funroll-loops in such a case !

Can this be? Is manipulating 32bit data _REALLY_ faster then 8bit?

Peace
===[ Gabo / [ABC] : gaminer AT undergrad DOT math DOT uwaterloo DOT ca ]===================
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