Lexicon Posted October 6, 2008 Report Share Posted October 6, 2008 In service LWN.We can net acquaint with article, in which hakerzy of core presented way, in what did pretend them to start Linuksa (counting to moment of appear oneself screen of login GDM) in 5 seconds... One should to remember at this, that they did not operate on powerful machine about large computational power, but on notebook'u Asus Eee of PC with disc SSD. http://lwn.net/Articles/299483/ .....Lex [moved from Talk-Talk by spinynorman] Link to comment Share on other sites More sharing options...
arctic Posted October 7, 2008 Report Share Posted October 7, 2008 Booting in five seconds is great, but - as IIRC adam wiliamson pointed out somewhere else - it is only possible if you build the distro for very specific hardware, say: only one harddisk, only one motherboard, one gfx-chip, one network-controller, one display, one RAM stick,.... The more hardware the system shall support, the less likely it is to boot in only a few seconds. That's how it is today. Maybe, we will see even more modularisation of the kernel in the future (much like x became more modular). Link to comment Share on other sites More sharing options...
ianw1974 Posted October 7, 2008 Report Share Posted October 7, 2008 It seems to get the kernel to boot one second, it was done as a monolithic kernel, rather than have a modular kernel. Takes longer to load a module, than if it's built into the kernel. Unfortunately, then the kernel is bigger, so it certainly hints at that it was optimised only for this one particular system. Oh, and readahead too. Mandriva does it a different way, which is what they did with Mandriva 2009.0 RC2. I'm currently using it, and it's the fastest booting Mandriva I've ever seen! I have of course disabled some other unnecessary services too, so that would have helped. Haven't timed it yet, but it is fast! I'll let you know next time I reboot. Link to comment Share on other sites More sharing options...
Lexicon Posted October 7, 2008 Author Report Share Posted October 7, 2008 I agree with you and this example is to buying to ask equipment whether it will be he worked correctly from Linux. To ask on forum before you will give many superfluous questions. In shops they are such possibility and such people are already ....Lex Link to comment Share on other sites More sharing options...
ianw1974 Posted October 7, 2008 Report Share Posted October 7, 2008 My Gentoo system always boots really quick - but then it's quite minimal in it's requirements. Link to comment Share on other sites More sharing options...
dexter11 Posted October 7, 2008 Report Share Posted October 7, 2008 Here's the LWN article about this. What I don't understand is this:The X Window System runs the C preprocessor and compiler on startup, in order to build its keyboard mappings.WTF? Every start X starts to compile? My keyboard mapping didn't change since.. I don't know.. it never changed. What's the point of this? Link to comment Share on other sites More sharing options...
ianw1974 Posted October 7, 2008 Report Share Posted October 7, 2008 Yeah, the best line in that article for X was: X is still problematic. "We had to do a lot of damage to X," Arjan said. for me, even if you didn't modify X, your computer started damn quick anyway. I wonder how much damage to X they had to do - and whether it's unstable due to it :unsure: Link to comment Share on other sites More sharing options...
adamw Posted October 7, 2008 Report Share Posted October 7, 2008 My thoughts on this are here: http://blogs.gnome.org/otte/2008/10/03/scary/ in the comments. Link to comment Share on other sites More sharing options...
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