>> My girlfriend is at her wit's end with her SSD netbook and is now >> hogging my laptop. Her netbook has 1GB RAM that could be upgraded to >> 1.5GB, but I've read that it's a pain. It already runs xfce4, and >> I've just made these optimizations based on past discussions: >> >> 1. CFLAGS="-march=prescott -0s -pipe -fomit-frame-pointer -ssse3" >> 2. added elevator=noop as a boot parameter > > I remember that I've given this second advice. Since then I've read in > the German computer journal c't [1] that CFQ has a detection for SSDs > since 2.6.28 and now is the best choice for these devices.
OK, do I need a boot parameter if I've set CFQ as the default IO scheduler in the kernel config? >> 3. disabled DRI to save 32MB RAM >> 4. removed the swap partition from /etc/fstab >> >> Am I missing anything significant? I've read that it's good to set up >> /tmp in RAM. How can I do that? In /etc/fstab I have: >> >> shm /dev/shm tmpfs nodev,nosuid,noexec >> >> Is that related? >> > > Yup, the entry should read: > tmp /tmp tmpfs default 0 0 Do you think mounting /tmp in RAM is worthwhile? Mike doesn't seem to think too highly of it. > The first entry is just a name. You can name it in every way you want it. > > For further tweaks: Do you use Firefox? I've read that it uses fsync() > when writing to its sqlite backend. This is a really good thing because > it reduces the risk of loosing data but you might (and can) disable this > to increase performance and reduce wear. I don't have a link at hand but > it shouldn't be to hard to find. There is some interesting info on disabling fsync here: http://www.flamingspork.com/projects/libeatmydata/ Sounds kinda dangerous. :) - Grant
