Thanks Michael and Rory.  

My bottom line was if something of an advantage in realtime for 
floats, but at 10% or so this seems trivial.  

Cecilia for MS-Win will probably embrace the Doubles version soon, 
as development appears to be continuing there. 



On Wednesday 05 January 2011 08:40 am, Rory Walsh wrote:
> When I run Csound as plugins in certain hosts(through the api) it does
> make a difference which version is installed. Floats version work
> across the board but doubles don't. I need to look into it, I'm sure I
> can rebuild my plugins for double support but only if the host
> provides support for it. How does Csound VST handle this?
>
> On 4 January 2011 19:13, Michael Gogins <michael.gogins@gmail.com> wrote:
> > I am the maintainer for the Windows installer and I do maintain the
> > double version, but not the float version.
> >
> > There is a 5 or 10 percent advantage in speed for float on Windows XP.
> > There is a small but (just barely) perceptible advantage in acoustical
> > precision for double on all platforms. At least some commercial audio
> > applications support double samples now (e.g. Sonar). The people who
> > master recordings for a living are increasingly focussed on this high
> > level of audio precision, as audio converters and speakers
> > increasingly reveal it.
> >
> > I am not willing to support 2 builds of the Windows installers, as the
> > amount of work seems too big for the payoff. Therefore our options
> > are:
> >
> > (1) Find someone else to maintain the Windows installers who IS
> > willing to support 2 builds.
> >
> > (2) Cecelia changes to support the doubles version on Windows (this is
> > what I recommend).
> >
> > (3) I change the Windows installer to support only the float version.
> > I am willing to do this, but I am reluctant to do so without some kind
> > of consensus from people who actually use Csound to make music about
> > the sacrifice in quality.
> >
> > I wish I knew what the speed comparison is for float vs double on
> > Windows 7. Perhaps I will install some old versions of Csound for both
> > sizes and find out.
> >
> > Regards,
> > Mike
> >


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