Here is a new version with a minor fix and a few improvements.

On Monday 10 April 2006 12:20, Istvan Varga wrote:

> Here is a plugin that lets you use FFTW instead of the default FFT code
> in Csound (this version only supports real FFT with power of two sizes,
> but that is used by almost all opcodes anyway).
> 
> Build it with one of the following command lines (replace the include
> path as needed, and make sure that the file csGblMtx.h is also found):
> 
> gcc -Wall -O2 -shared -fPIC -I/usr/local/include/csound fftw_wrapper.c  \
>     -o libfftw_wrapper.so -lfftw3 -lm -lpthread
> 
>   (for single precision Csound and double precision FFTW)
> 
> gcc -Wall -O2 -shared -fPIC -DFFTW_USE_FLOAT                            \
>     -I/usr/local/include/csound fftw_wrapper.c -o libfftw_wrapper.so    \
>     -lfftw3f -lm -lpthread
> 
>   (for single precision Csound and single precision FFTW - this is
>    faster than the above, and is recommended if you have the FFTW library
>    with 32 bit floats)
> 
> gcc -Wall -O2 -shared -fPIC -DUSE_DOUBLE -I/usr/local/include/csound    \
>     fftw_wrapper.c -o libfftw_wrapper.so -lfftw3 -lm -lpthread
> 
>   (for double precision Csound and double precision FFTW)
> 
> So far, I have only tested the first type of build (the others may or may
> not work), and the code is not quite perfect yet, but if it does work for
> you, then this plugin may be useful.
> 
> On Sunday 09 April 2006 12:55, Iain Duncan wrote:
> 
> > I had it working running 32bit linux on this chip, which was fine. I
> > have only recently switched to pure 64 bit gentoo ( and you can see why
> > I waited! ). If I can't get csound performing better than with 32 bit, I
> > will likely switch back as that's really the only reason for the fast
> > machine.