Re: [gentoo-user] Anyone running a Netbook satisfactorily on Gentoo?

[Justin <justin@j-schmitz.net>]

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Paul Hartman schrieb:
> On Thu, Mar 12, 2009 at 2:17 PM, Justin <justin@j-schmitz.net> wrote:
>> Grant schrieb:
>>>>> I've installed and updated Gentoo on my girlfriend's Acer Aspire One
>>>>> netbook and it's just so slow.  The only things I can think of to
>>>>> speed it up would be to upgrade the RAM from 1GB (not sure if that's
>>>>> possible) and/or swap out the SSD for a HD.  Anyone running a netbook
>>>>> not excruciatingly slow?
>>>>>
>>>>> - Grant
>>>>>
>>>> I've got an Acer One for my father. I don't know the exact type; it is
>>>> the one with the 8GB SSD.
>>>>
>>>> I found it quiet usable, installed Gentoo with a minimal KDE3 on it.
>>>> Compiled with -Os, of course. RAM usage is below 256MB most of the time.
>>>> The only things I didn't get to work are 3D acceleration and the SSD
>>>> card slots but I haven't invested much time into it.
>>>>
>>>> The slowest part of the system is the SSD. It really slows things done
>>>> when they are loaded for the first time (for example the HTML part of
>>>> Konqueror takes 3s to load AFTER Konqueror itself came up).
>>>>
>>>> The rest of the system is pretty fast for my expectations.I compiled
>>>> most things in a chroot on my Celeron notebook (2 or 3 times the speed)
>>>> before moving it over but I really found compiling not _that_ slow. Its
>>>> usable for most regular updates and even kernels and such alike. For
>>>> larger packages, I mount an NFS share on /var/tmp/portage because I
>>>> don't want to wear down the SSD.
>>>>
>>>> Other tips:
>>>> Use ext2 FS. You don't want the journalling to cost you even more
>>>> performance and wear down the SSD.
>>>>
>>>> I wouldn't use laptop-mode. You don't want it to bog down the system
>>>> when it decides to flush its write cache.
>>>>
>>>> No syslog, it will only wear down the disk with many small write cycles.
>>>>
>>>> Use the noop IO scheduler (boot parameter elevator=noop). There is no
>>>> need for a scheduler on an SSD.
>>>>
>>>> ArchLinux also recommends deactivating DRI ('Option "DRI" "0"' in
>>>> xorg.conf) to free up 32MB of memory.
>>>>
>>>> Hope this helps.
>>> Thanks guys, these are the kinds of tips I need.  I really want this
>>> thing to work out so I can switch over to one.  Lemme see if I've got
>>> this:
>>>
>>> 1. run xfce4 (already do)
>>> 2. compile with -Os (I was using -O2)
>>> 3. use ext2 (I was using ext3)
>>> 4. don't use laptop-mode (I didn't know it existed)
>>> 5. no syslog (does this mean don't even emerge a system logger like metalog?)
>>> 6. use elevator=noop at boot
>>> 7. deactivate DRI
>>> 8. upgrade RAM to the max
>> 9. use distcc
> 
> Won't that require another machine using the same CPU arch? Or can
> cross-compiler be setup on the remote distcc box? 
I am using it cross x86 and amd64,
http://www.gentoo.org/doc/en/cross-compiling-distcc.xml
> (I don't even know
> if GCC has an atom-specific CPU or if it is using something more
> generic)
CFLAGS="-march=prescott -mssse3"
nearly same as core2 in 32bit mode


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