Subject: Re: [linux-audio-dev] Fixed vs Floating point comparison.
From: Steve Harris (S.W.Harris_AT_ecs.soton.ac.uk)
Date: Fri Oct 17 2003 - 07:20:57 EEST
On Thu, Oct 16, 2003 at 08:09:13 -0300, Juan Linietsky wrote:
> My own conclusions about the subject is that the float -> int conversion is
> STILL the biggest bottleneck on most common architectures. And until this is
> sorted out, fixed point is still the best solution for some specific cases,
How are you doing the conversion, casts are horribly slow, but lrintf()
etc. are quite fast (a few cycles).
- Steve
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