[PD] [PD-announce] Pd-extended 0.43.4 release candidate 1: last chance to report your bugs

[Roman Haefeli]

On Die, 2013-01-08 at 15:13 +0100, Roman Haefeli wrote:
> On Die, 2013-01-08 at 12:14 +0100, Roman Haefeli wrote:
> > 3)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
> > When loading a patch in the Pd-extended release candidate, the memory
> > footprint is approximately three times higher than loading the same
> > patch with Pd 0.43.3 vanilla. For a patch that eats 200 MB of memory in
> > Pd-vanilla, this means 600 MB memory usage in the current Pd-extended.
> > 
> > The patch I used to measure the memory footprint does not use a lot of
> > tables but contains many instances of abstractions and nested
> > abstractions.  
> > 
> > My impression is that there wasn't such a huge difference with earlier
> > builds of Pd-0.43-extended, though I don't have any data to confirm
> > this. I'll check that when I found a version that does not exhibit the
> > problems 1) and 2) and see whether the situation is different there. 
> > 
> > The difference in memory footprints seems consistent across operating
> > systems, at least between Ubuntu 12.04.1 and Windows XP (both i386).  
> 
> It appears the difference is not specific to recent version of
> Pd-extended. I tried a version from May 2012 and it also uses 3 times
> more memory for the same patch than Pd-vanilla. 
> 
> It seems this isn't a release critical issue for most people. However, I
> still wonder where this difference does come from.

The 3-fold difference seems specific to the patch I tested with [1]. I
made a test patch containing many abstractions consisting of a few
vanilla objects and there isn't any noticeable difference.

[1] sonoplanes.pd from https://github.com/reduzent/sonoplanes

Roman