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2.6.38-rc2 anyone? - Page 2

post #11 of 37
In case you didn't know, this "200-line patch" has been known about for a long time. It was never included in the BFS kernels because it introduces regressions.

http://ck-hack.blogspot.com/2010/11/...y-comment.html
For more info...

Basically it's a patch for people who don't know how to use nice...
post #12 of 37
Thread Starter 
Yeah I know about that, and the BFS handles it differently. He doesn't do a 200 line patch, his is much smaller due to a different scheduler. So it's still debatable on whether or not it's worth it in the CFS patch.
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post #13 of 37
correct me if i am wrong, but isn't the CFS and BFS patch for two different setups?

CFS for 16+ cores/cpu's, and BFS for the under 16 cores/cpus?
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post #14 of 37
Thread Starter 
Quote:
Originally Posted by transhour View Post
correct me if i am wrong, but isn't the CFS and BFS patch for two different setups?

CFS for 16+ cores/cpu's, and BFS for the under 16 cores/cpus?
It's not dependent on CPU cores, both can handle the same it's that the BFS doesn't perform as well at higher cpu counts. This also goes the other way, the CFS doesn't perform as well at lower CPU counts than the BFS. Though I think some new CFS modifications have helped recently as they are trying more and more to optimize it for desktop use. They are both schedulers it's just a choice of choosing which one.
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post #15 of 37
i haven't gotten around to compiling a new Kernel with either one as far as i know

but like jimi said, i know how to use nice, so is it really a benefit to me?
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post #16 of 37
Thread Starter 
Well apparently they are fixing a lot of things in the CFS scheduler. This isn't just fixing that, they are trying to work at getting the scheduler (and other things) more accommodated for the desktop.

[edit] Right now I'm testing between the 2.6.37 and the 2.6.37-zen0. After I find out the difference there (if zen is better or my custom kernel) then I'm going to test between that and 2.6.38. I'm stripping some parts and modifying everything to see if it'll run (optimization). I'm not stripping modules, more so I'm stripping parts of the kernel I don't need (such as intel code ect..).
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post #17 of 37
nice, i await the results
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post #18 of 37
Thread Starter 
So far I'm liking the 2.6.38 now that I've got it tweaked a little better. It seems a bit more responsive, not exactly sure though. I might try and trim both the zen and the .38 some more, though it looks like I'll be looking forward towards the 2.6.38 release. There's a few things that will be removed soon, which will be nice (kernel = smaller!). I also am using the xz compression, which seems to work nicely.

[edit] Now all we need is the BFS (maybe) and the BFQ (def) patch sets. BFQ would help us people still on non-SSD drives. I'm gonna see what else I can get going with this, cause I'm guessing the Hugepage support is what makes the difference. In any of the "intense" programs like games, 3D, anything memory intensive this is supposed to make a difference.

[edit] WOOT! I got my kernel down as far as my Arch one, I also completely removed the ALSA section. I'm running OSS so why would I have it anyways? Size is 1.8MB
Edited by mushroomboy - 1/30/11 at 5:45pm
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post #19 of 37
Thread Starter 
Update/Bump: I got BFQ running on the new kernel, if anyone is interested I could re-do the first patch (0001*) and make it 2.6.38 friendly. Honestly only one chunk fails and it's really simple to fix, you just add { } and a couple lines to a function (initially a one line function). It'll help people with physical drives (not SSD) in most benchies/performance.
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post #20 of 37
You guys can get the 2.6.38 BFQ patch from here:
http://gonx.dk/bfq-for-2.6.38-by-gonx.patch.xz

I basically applied the 2.6.37 patch, fixed rejects and then did a git diff on it
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