... 2007 6:17 PM Subject: Re: [announce] CFS-devel, performance improvements To: Ingo Molnar < ... it also demonstrated a number of improvements. > The combo patch against 2.6. ... the already existing > sum_exec_runtime metric in CFS), it's in essence the sum ...

linux-kernel - debian developer - Sep 13 2007 - 03:17

... and me are pleased to > announce the latest iteration of the ... There are lots of small performance improvements in form of a ... v2.6.23-rc6-CFS-devel > ---------------------------------------------------- > 0.70 0.75 0 ...

linux-kernel - Roman Zippel - Sep 12 2007 - 18:17

... patch already with my first CFS review, but at that time ... There are lots of small performance improvements in form of a ... v2.6.23-rc6-CFS-devel > > ---------------------------------------------------- > > 0.70 0.75 0 ...

linux-kernel - debian developer - Sep 13 2007 - 03:34

... pleased to announce the latest iteration of the CFS scheduler development ... sched-devel.git There are lots of small performance improvements in ... 6.22 2.6.23-rc6(CFS) v2.6.23-rc6 ... already existing sum_exec_runtime metric in CFS), it's in essence the ...

linux-kernel - Ingo Molnar - Sep 11 2007 - 16:04

... and me are pleased to > > announce the latest iteration of the ... has been on simplifications and performance - and as part of > > that ... about CFS's complexity > that finally lead to the improvements in ... mingo/linux-2.6-sched-devel.git > > Am I the only ...

linux-kernel - Willy Tarreau - Sep 13 2007 - 19:08

... are pleased > | to announce the latest iteration of the CFS scheduler development ... has been on simplifications and performance - > | and as part of that we ... some more explanation > about the CFS tuning parameter. " > > http://lkml.org/ ...

linux-kernel - Roman Zippel - Sep 13 2007 - 12:50

... 4.65 hackbench 50 # rc1 rc6 cfs-devel 1 6.634 5.969 ... 5.933 pipe-test # rc1 rc6 cfs-devel 1 13.39 13.16 ... 2.37 hackbench 50 # rc1 rc6 cfs-devel 1 7.528 7.950 ... story). Overall though, a definite improvement over 2.6.23-rc1.

linux-kernel - Rob Hussey - Sep 13 2007 - 21:47

... pleased | to announce the latest iteration of the CFS scheduler development ... has been on simplifications and performance - | and as part of that ... a simpler variant of this patch. -------------------> Subject: sched: track cfs_rq->curr on ...

linux-kernel - Ingo Molnar - Sep 13 2007 - 10:28

... lot of bad scheduling decisions. > In the announcement of your "Really Fair Scheduler" patch ... lot has been removed now in CFS-devel) it was rather difficult to ... the problem (but to which early CFS version significantly contributed). The main problem ...

linux-kernel - Roman Zippel - Sep 14 2007 - 07:46

... 6.23-rc1, 2.6.23-rc6-cfs, and 2.6.23-rc6-cfs-devel: lat_ctx -s 0 2: 2. ... 825 pipe-test (http://redhat.com/~mingo/cfs-scheduler/tools/pipe-test.c): 2 ... between the 2.6.23-rc6-cfs and 2.6.23-rc6-cfs-devel lat_ctx numbers are nearly identical ( ...

linux-kernel - Rob Hussey - Sep 13 2007 - 04:42

... for both -rc6 and -rc6-cfs-devel) So even in this ... /9/2/38 In the announcement of your "Really Fair Scheduler" ... actual real-world proof of CFS misbehavior, you said: "[...] they have ... 2/282 so how can CFS be "far less accurate" (paraphrased ...

linux-kernel - Ingo Molnar - Sep 13 2007 - 08:47

... things how the same things work in CFS - but nothing. > Then you had the time ... in consideration the feedback from you and improved the schduler based on this. And when ... were my impression after reading the announcement with respect to your influence and ...

linux-kernel - Sam Ravnborg - Sep 13 2007 - 15:01

... useful commentary and suggestions. > In this announcement you make relatively few references how ... later in one of your patch >> announcements: > > This is ridiculous, I asked you ... to understand every detail of CFS, I can _guess_ > what _might_ ...

linux-kernel - Kyle Moffett - Sep 13 2007 - 14:28

... , Peter Zijlstra and me are pleased to > announce the latest iteration of the CFS scheduler development tree. Our > main focus has been on simplifications and performance - and as part of > that we've also picked up some ...

linux-kernel - Mike Galbraith - Sep 12 2007 - 02:20

... patches now to see if they help. > Current cfs-devel git compiles fine without sched_debug. Not sure ... hopefully good numbers for 2.6.23-rc6-cfs and 2.6.23-rc6-cfs-devel. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the ...

linux-kernel - Rob Hussey - Sep 13 2007 - 06:17

... =y these options mask some of the performance enhancements we made. There's also a ... : http://people.redhat.com/mingo/cfs-scheduler/devel/ with some fixes for SMP. ( ... also, if you want to maximize performance, it usually makes more sense to ...

linux-kernel - Ingo Molnar - Sep 13 2007 - 05:31

... You can pick it up from here: >> >> http://people.redhat.com/mingo/cfs-scheduler/devel/sched-cfs- >> v2.6.23-rc6-v21-combo-3.patch > > I managed to work ... email), it sure looks a lot like CFS is doing at *least* as well as ...

linux-kernel - Kyle Moffett - Sep 14 2007 - 02:59

... linux-m68k.org> wrote: > > The sched-devel.git tree can be pulled from ... /mingo/linux-2.6-sched-devel.git > > Am I the only ... have messed up my sched-devel.git script so the git- ... ://people.redhat.com/mingo/cfs-scheduler/devel/patches.tar.gz > [...] It ...

linux-kernel - Ingo Molnar - Sep 13 2007 - 05:19

... in consideration the feedback > from you and improved the schduler based on this. > ... were my impression after reading the announcement with > respect to your influence and ... thing you remember here from the announcements is the cleanup and tuning part, ...

linux-kernel - Roman Zippel - Sep 14 2007 - 08:26

... feels great. I did > some benchmarks for 2.6.23-rc1, 2.6.23-rc6-cfs, and > 2.6.23-rc6-cfs-devel: thanks for the numbers! Could you please also post the .config you used? Thx, Ingo - To unsubscribe from this ...

linux-kernel - Ingo Molnar - Sep 13 2007 - 05:06