On Fri, 16 May 2008 11:40:58 +0200 "Alessandro Iurlano" <[EMAIL PROTECTED]> babbled:
> > yes - just loads. yes i know shared libs are loaded once only - and only the > > pages from them loaded as needed. sure if you want to do full > > block-analysis on what pages are mapped in and just read those - wonderful. > > i'm going for a quick and dirty solution. this does not SPEED up boot - not > > at ALL. it moves IO time from later to earlier. it means that once the > > bootsplash goes away, X, WM< application launcher and all that stuff come > > up much faster so the visible gap between bootsplash and "i have a gui up i > > can now use" is much less. it avoids filesystem IO to flash later while > > these are starting up :) so it's just shuffling stuff. yes - even reading > > more data off disk than we need and it may slow down the total boot time - > > but it will improves its look and feel. so this is just to get the whole > > bootup looking slicker and polished and professional. > > I understand what you are trying to do and why. I just wanted to point > out that maybe the gain could be very little if the flash memory speed > is high and that it could be bigger by launching a program that uses > those libs. > Maybe adding LD_BIND_NOW=1 to that program to force the linker resolve > all the symbol could be worth trying. > > Anyone has raw numbers about the speed of internal flash memory? well i KNOW that when you bring up these apps after being run once they come up much faster. that is a god indicator of needing to wait on IO :) -- Carsten Haitzler (The Rasterman) <[EMAIL PROTECTED]>
