[speex-dev] Performance increase?

Segher Boessenkool segher at kernel.crashing.org
Mon Apr 19 17:31:56 PDT 2004



> I noticed that you changed all constant floating point numbers
> from double notation (e.g. 3.0) to float notation (3.0f) in the latest
> version
> of Speex (in subversion).
> Did that give any performance increase (because of elimination of the
> float to double and double to float conversions)?

It does, with some compilers.  Not doing it also (erroneously) gives
errors with some compilers.

<p>Segher

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