[ale] gcc

[Chris Fowler]

Optimization has more to do with coding style.  gcc with the -O<level> will
provide some level of optimizations.  Maybe someone on this list could
point to a good document or book that provides excellent info
on good coding practices in C.  I know many of the books
I have skip this important information.  Basically you need
to use fewere CPU cyles as ell as other resources.
Hopefully you'll never have to use inline assembly in
you C code.  I have not needed it.  Ususally it is needed
with mathamatical programs.  I'm having a hard enough
time with multiplication.  Stay away from multiplication and
division in your programs.  Those operations can use too
many cycles.


Chris


-----Original Message-----
From: Stephen Turner [mailto:artic_knight at yahoo.com]
To: ale at ale.org
Sent: Tuesday, April 02, 2002 8:53 PM
To: ale at ale.org
Subject: [ale] gcc


well im a noob to compilers especially linux so please
forgive my ignorance.  how optimized can gcc optimize
code? i almost started to learn about assembly but
just read up a bit on it, from what i understand
assembly is the machine code, it is specific to only
an athelon  or only a k6 etc, (unless they share the
same code?) asembly is the instruction set the
processor speaks right? ahh well i just wanted to
know, i want to get my code as optimized as possible
and also wanted to experiment with it. please input :)

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