[PD] file access audio glitches

Roman Haefeli reduzierer at yahoo.de
Sun Oct 14 02:56:36 CEST 2007

On Sat, 2007-10-13 at 17:44 -0700, Phil Stone wrote:
> Roman Haefeli wrote:
> > On Sat, 2007-10-13 at 17:06 -0700, Phil Stone wrote:
> >   
> >> Phil Stone wrote:
> >>     
> >>> Does anybody know if ram disks are possible on OS X?
> >>>
> >>>       
> >> To answer my own question about OS X ram disks (GIYF), yes it seem to be 
> >> possible (though not especially well documented).  Since most of my 
> >> files are pretty small, this might help.
> >>
> >>
> >> Phil
> >>     
> >
> > why do you need a ram disk? wouldn't it be sufficient to just read all
> > necessary files in advance? they will be automatically in ram then...
> >
> > roman
> >   
> Do you mean because of disk caching?  If not, then it seems fairly 
> complicated to create a whole new all-file-loader/memory structure for 
> each type of file.*  The beauty of a ram disk is that it the file 
> addressing is exactly the same.  In fact, I just now set one up in a few 
> minutes, and it works wonderfully.  I can change sssad presets, or 
> [tunetof] tunings, with nary a glitch.  Of course, it won't work for 
> files big enough to take more than one dsp block to load from ram -- 
> that's a big limitation.

i see. i was thinking, that oyu might have only very few file reading
objects in your patch, that it would be easy enough to adapt your patch
in a manner, that it loads all presets in advance. but if you are using
an ready-made, more complex system, then this probably won't be an easy
thing to do. 

nice to hear, that it works with a ramdisk. i never used a ramdisk
myself and i didn't know, that it would be so easy to setup.


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