On 02/27, Oleg Nesterov wrote:
>
> On 02/27, Hermann Meyer wrote:
> >
> > I always implement the bypass switch in C/C++.
>
> and I guess this makes sense, but
>
> > When using select2 in
> > faust, always both path been processed. That means, even when you switch
> > into bypass, the CPU load will stay the same.
>
> Not really, only with -sts / --strict-select option.
Forgot to mention... Of course, if Then or Else branch has state, say,
process = select2(_, 0, (+(1)~_));
then both paths will be processed.
> For example,
>
> process = select2(_,
> ffunction(float func0(), "",""),
> ffunction(float func1(), "",""));
>
> compiles to
>
> for (int i0 = 0; i0 < count; i0 = i0 + 1) {
> output0[i0] = FAUSTFLOAT(((int(float(input0[i0]))) ? func1() :
> func0()));
> }
>
> while "faust -sts" generates the "strict" code:
>
> for (int i0 = 0; i0 < count; i0 = i0 + 1) {
> float fThen0 = func0();
> float fElse0 = func1();
> output0[i0] = FAUSTFLOAT(((int(float(input0[i0]))) ? fElse0 :
> fThen0));
> }
>
> Oleg.
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