Wu Fengguang wrote:
Rapid linux desktop startup through pre-caching
MOTIVATION
KDE, Gnome, OpenOffice, and Firefox all take too long to start up.
Boot time pre-caching seems to be the single most straightforward and
effective way to improve it and make linux desktop experience more
comfortable. It is a great pleasure for me to take up the work.
Actually, the best way is to not run so much software. An yes,
that is an option. I won't say no to an improved kernel too though. :-)
The apps mentioned are popular, but few needs *all* of them.
One can do without KDE and gnome, run a nice lightweight
window manager instead. Take the kde/gnome performance hit
only when you actually need some kde/gnome app. Not every day.
A nice windowmanager like icewm of fluxbox brings the login
delay down to 3s or so for me.
Openoffice has lightweight alternatives for every task.
(abiword,lyx,gnumeric, . . . ) Strange that this bloated sw is
as popular as it is, given the many alternatives. Not something
I use every month, and I use linux exclusively for my office tasks.
Another alternative is to profile the slow apps and improve them.
Fix algorithms, optimize stuff.
The slow boot is fixable by:
1) run boot scripts in parallell instead of sequentially - somewhat
experimental
but helps. Especially if you can bring up X before slowest stuff
completes.
2) Don't run what you don't use/need! Don't install everything and the
kitchen
sink just because it is free software. I am guilty of installing
too much myself,
so I suffer 40-second bootup time. But I don't reboot my office pc
every
week, normally I only have that 3s login delay.
Helge Hafting
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