Am 29.11.2017 um 10:46 schrieb Stéphane Letz:
Le 29 nov. 2017 à 10:04, Hermann Meyer <brumm...@web.de> a écrit :
Am 29.11.2017 um 09:27 schrieb Stéphane Letz:
Thanks Hermann.
Although we know the work done for the guitar project, we do not (in general…)
recommend hacking the generated C++ code. The reason is that since the compiler
class output shape may change.., this method can be quite « fragile ».
Hi Stéphane
Yes, I know how fragile it could be, as we use this method now several years.
In this time we need to upgrade our script several times to follow the faust
development.
I've just ported guitarix from faust 0.9.73 to the latest faust 0.9.90 which
requires 2 days.
Yes the summer 2016 library change was a *big* change (thanks again to Romain
for this…) We hope that the new structure is much more stable now...
But most time I spend on the faust sources to port them to the new library
architecture.
The transforming of our dsp2cc script was just a few lines to cover the
compiler output.
As next I'll check out how it works with faust2.
BTW, how does the dsp2cc script works if you generates the vector kind of C++
code, that is using -vec -lv xx kind of parameters in the faust command line ?
Faust options been forwarded from the caller to faust. Usually the
dsp2cc script calls faust. and read the stdout from it.
The dsp script checks if a special option is given and act accordingly.
For example:
if self.options.vectorize:
s["compute"] = self.replace_ioref_vector(self.copy(r"\t}$"))
self.has_vector = True
else:
s["compute"] = self.replace_ioref_scalar(self.copy(r"\t}$"))
were replace_ioref_vector handle the vectorized sources.
Unfortunately my experience with vectorize been not so well. Here it
push the CPU usage to a unwanted level last time I've tried it. Could it
be that it ain't work so well on small audio buffersizes like 128?
Surely it could be possible to subclass it, just we are used to use our parser
and in the meantime this structure is deep bounded into our sources.
regards
hermann
Yep, my point is to warn developers, then everyone can do whatever they want,
to fit their needs... ((-;
Stéphane
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