[PD] linux - faster load first time

[Tim Blechmann]

one could avoid the dynamic linking by prelinking the binary ...

t

On Wed, 2007-10-03 at 09:15 -0700, Miller Puckette wrote:
> Hmm, now has anyone noticed that Pd (first time after booting) starts up 
> progressively more slowly over the months you own a linux machine?  I'm
> suspicious that there's a correlation with how much software you have
> loaded on the machine.  Maybe having lots of shared libraries and programs
> to use them makes dynamic linking slower (see, e.g., 'man ldconfig').
> 
> That's nothing but a guess.
> 
> cheers
> Miller
> 
> On Thu, Oct 04, 2007 at 12:53:46AM +0100, Andy Farnell wrote:
> > 
> > Yes this is page/cache feature and seen with many apps. If you have 
> > a very frequently used app that you want to load fast each time then
> > consider creating a RAM disk. Study Knoppix and Puredyne to see that
> > in action. A start script to load Pd bins into RAM and then set the
> > path to them. Useful for performance situations maybe.
> > 
> > On Wed, 03 Oct 2007 09:10:27 +0200
> > Atte Andr? Jensen <atte.jensen at gmail.com> wrote:
> > 
> > > Hi
> > > 
> > > When I run pd the first time it takes a while to load, the second time 
> > > it's much faster. I use a bash script to load my session (ardour, muse, 
> > > pd + more) so if pd isn't running before muse, muse can't connect it's 
> > > midi outs to pd's midi in.
> > > 
> > > I assume the load time is a matter of loading a binary, that's cached 
> > > the second time. If so, where's the big binary? I tried running "cat 
> > > /usr/local/bin/pd > /dev/null" in the beginning of my bash script, but 
> > > that didn't seem to work.
> > > 
> > > If the above is a blind alley, whe could be done to speed up pd loadtime 
> > > the first time?
> > > 
> > > NB: pd is version 0.40.3, and I'm running debian/linux...
> > > 
> > > -- 
> > > peace, love & harmony
> > > Atte
> > > 
> > > http://atte.dk       | http://myspace.com/attejensen
> > > http://anagrammer.dk | http://modlys.dk
> > > 
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> > 
> > 
> > -- 
> > Use the source
> > 
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--
tim at klingt.org    ICQ: 96771783
http://tim.klingt.org

Linux is like a wigwam: no windows, no gates, apache inside, stable.
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