[LAD] Integer performance

Will J Godfrey WillGodfrey at musically.me.uk
Sun May 3 20:04:30 UTC 2015


On Sun, 03 May 2015 21:36:25 +0200
Florian Weimer <fw at deneb.enyo.de> wrote:

> * Will Godfrey:
> 
> > Just a curious thought...
> >
> > If you are using only small values is there really any benefit in
> > using chars and shorts rather than just using integers everywhere
> > and letting the compiler sort it out?
> 
> Many languages do not actually support arithmetic on chars and shorts,
> but promote them to ints first.

Currently I work in C and C++. I don't see that changing any time soon. They are
more then enough to keep me occupied!

> It is usually beneficial to use the smallest possible data type for
> arrays because it cuts down memory use and increases the number of
> array elements which fit into the CPU caches.

Good point. I didn't think of that.

-- 
It wasn't me! (Well actually, it probably was)

... the hard part is not dodging what life throws at you,
but trying to catch the good bits.


More information about the Linux-audio-dev mailing list