[speex-dev] Performance increase?

Segher Boessenkool segher at kernel.crashing.org
Tue Apr 20 10:42:39 PDT 2004

> It was based on my observations that using a gcc compiler flag to 
> force floating point constants to be single-precision helped 
> performance in a measurable way.  This has the same effect without 
> special flags on all compilers.

Not on all compilers.  But it definitely never makes things worse
(well, it _should_ never make things worse.  But don't trust any
compiler to do the "smart thing"; always check generated object
code, if you care for performance at all).


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