Performance shock (oops follow-up)

david nux at blueyonder.co.uk
Sun Apr 24 19:44:31 UTC 2005


On Sun, 2005-04-24 at 19:59 +0100, paul cooke wrote:
> On Sunday 24 April 2005 08:11, david wrote:
> > On Sun, 2005-04-24 at 13:30 +1000, Peter Garrett wrote:
> > > On Sun, 24 Apr 2005 12:38:02 +1000
> > >
> > > Peter Garrett <peter.garrett at optusnet.com.au> wrote:
> > > > As for Firefox, while it's true it starts more slowly on first launch,
> > > > I haven't noticed any lack of speed subsequently. It might also be
> > > > worth remembering that the way RAM use shows in Linux is different - a
> > > > lot of memory use is actually cache etc...
> > >
> > > Sorry, just re-read CB's original post, in which he refers to *cpu* and
> > > not *ram* - my mistake. I haven't noticed Firefox hogging cpu though -
> > > even with 20-30 tabs open...
> > >
> > > Apologies for the reply to my own post.
> > >
> > > Peter
> >
> > Surely the biggest thing you're missing is that once Windows has been on
> > a drive for a few weeks and you've installed a few things that speed
> > starts to slow down dramatically.
> > Linux has a consistent speed/behaviour whereas Windows just gets more
> > and more fat and bloated and slow as the registry fills up with crap and
> > the browser cache begins to slow surfing down.
> >
> > For OpenOffice go to Tools > Options and Memory and set the amount of
> > Memory allocated to OO to a higher value - I set mine to 128MB in total
> > with 6MB per object and OO flies along.
> >
> 
> prelinking your executables also gives a dramatic speedup in their loading as 
> the OS no longer has to work out how to load in the application and all it's 
> dependant libraries as the donkey work has already been done.
> 
> this is what I do now after every update:
> 
> sudo prelink -amvR
> 
> It takes a long time for the first run and if the update has been a deep one 
> affecting many other programs, but most of the time, it only takes a couple 
> of minutes.
> 
> it is also possible to do the same for OOo, there is a separate command 
> ('oooprelink' of all things) to run as normal prelinking doesn't work for it.
> 
> > nux
> 

Pre-link causes problems with cedega leading to "Error 21" messages.
(In case anyone thinks to try prelink out).

I don't use cedega anymore so am off to play with prelink. Thanks for
the tip.

nux





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