On Sun, 2007-09-30 at 08:09 +1000, Erik de Castro Lopo wrote: > Jens M Andreasen wrote: > > > Although you are approximately right in many parts of this discussion, > > you are wrong on the cost of the CPU flags to round twards zero. The > > cost is nil. > > My memory of this is that changing the FPU flags causes a pipeline flush. > If the happens inside an inner loop, this has a **huge** performance > penalty.
this would be a truly terrible and stupid design. which i guess is why there actually are VST plugins that do this on every process() call. our use of it in Ardour is host-wide, at program startup, which i believe is the only sensible way to use FTZ or DAZ. --p _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-dev
