This is probably gonna start a huge flame war.. but I dont care.. I want to get this out in the open and find some answers.
ATM, I am on a Dell Inspiron 8500 Laptop (for full specs see this: http://www.trikster.homelinux.org/computer.html )
Anyhow.. I upgraded from kernel 2.4.23, first to 2.6.2 (love-sources), then today, I emerged kernel mm-sources-2.6.3_rc1-r1.
In my kernel I have these options enabled under "Processor type and features"
[*] Preemptible Kernel x x
dmesg | grep scheduler returns:
Using cfq io scheduler
My hdparm output is:
1516 MB in 2.00 seconds = 756.60 MB/sec
Even though that is a whole 56.60 MB/sec faster than my 2.4.23 kernel, it is not that fast, as to show my box has improved since installing these new 2.6.X kernels.
glxgears is still a slow 3000fps no matter what nvidia-kernel driver or nvidia-glx driver I use, it averages about the same.. ( I have seen well above 6000fps) and yes my /etc/X11/XF86Config is totally tweaked as per the /usr/doc/nvidia-glx-1.0.5336/README file.
My other programs, I.E. firebird 0.7 and Thunderbird 0.4 start at the same speed as they started before... I only have an average of 50 processes running when I fully boot and enter X as root, and I average about 250mb of ram usage out of 512mb total. My cpu idles along just fine.
Here is a quick and dirty example of the way I benchmark my programs opening speeds; in a terminal (xterm, Eterm.. whatever) say.. type:
time mozilla
then kill it off after it has fully started and you will see the times that it took to start. Below is my time for starting mozilla 1.6b
real 0m11.865s user 0m1.661s sys 0m0.159s
I use fluxbox, so memory usage / running processes are of course not as much as they would be say running kde.
My /etc/make.conf settings for this Intel laptop are:
CHOST="i686-pc-linux-gnu" &
CFLAGS="-O3 -mcpu=pentium4 -funroll-loops -pipe"
I know this is not an "Intel" problem as I get the same performance or worse on the 7 other gentoo boxes also running a 2.6.X vanilla kernel or a 2.6.X love-sources kernel. (But running an AMD processor/s from a 266Mhz up to a 2500Mhz processor)
I don't understand this..
Everyone that has used the 2.6.X kernels have said that they fly compared to the 2.4.X kernels..
But I have seen that the 2.4.X (23 and up) run much faster if not the same as these highly over-rated 2.6.X kernels.. (As I have gotten well above 3000fps in glxgears), and a Quake 3 benchmark is way faster also... and my hdparm was @ 700MB/sec (compared to now, with it being @ 756MB/sec)< not a big "woopidy doo!" there..
Could someone, anyone please post their benchmarks or a solution to this problem? I mean, I could.. (yes it is possible) have left something out of the kernel.. but after all the googling, and reading the gentoo forums.. I have pretty much set my kernel up correctly as per other people's suggestions.
Please do not post false benchmarks, because you feel like attacking me.
I really want to figure out why this is happening, and what to do, to fix it. As I am sure it will help and benefit other people as well.
Thank you
Sincerely,
-- TriKster Abacus irc.freenode.net #cllug #gentoo #linuxfriends irc.cotse.com #linux http://www.cllug.org http://www.trikster.homelinux.org http://www.trikster.homelinux.org/contact.html
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