Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-06 Thread Bill Davidsen
Willy Tarreau wrote: On Tue, Jun 05, 2007 at 09:31:33PM -0700, Li, Tong N wrote: Willy, These are all good comments. Regarding the cache penalty, I've done some measurements using benchmarks like SPEC OMP on an 8-processor SMP and the performance with this patch was nearly identical to that

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-06 Thread Bill Davidsen
Willy Tarreau wrote: On Tue, Jun 05, 2007 at 09:31:33PM -0700, Li, Tong N wrote: Willy, These are all good comments. Regarding the cache penalty, I've done some measurements using benchmarks like SPEC OMP on an 8-processor SMP and the performance with this patch was nearly identical to that

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Willy Tarreau
On Tue, Jun 05, 2007 at 09:31:33PM -0700, Li, Tong N wrote: > Willy, > > These are all good comments. Regarding the cache penalty, I've done some > measurements using benchmarks like SPEC OMP on an 8-processor SMP and > the performance with this patch was nearly identical to that with the >

RE: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Li, Tong N
Jesse; William Lee Irwin III; > Bill Huey (hui); [EMAIL PROTECTED]; [EMAIL PROTECTED]; Nick Piggin; Bill > Davidsen; John Kingman; Peter Williams; [EMAIL PROTECTED] > Subject: Re: [RFC] Extend Linux to support proportional-share scheduling > > Hi Tong, > > On Tue, Jun 05, 200

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Willy Tarreau
Hi Tong, On Tue, Jun 05, 2007 at 06:56:17PM -0700, Li, Tong N wrote: > Hi all, > > I've ported my code to mainline 2.6.21.3. You can get it at > http://www.cs.duke.edu/~tongli/linux/. as much as possible, you should post your patch for others to comment on it. Posting just a URL is often fine

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Willy Tarreau
Hi Tong, On Tue, Jun 05, 2007 at 06:56:17PM -0700, Li, Tong N wrote: Hi all, I've ported my code to mainline 2.6.21.3. You can get it at http://www.cs.duke.edu/~tongli/linux/. as much as possible, you should post your patch for others to comment on it. Posting just a URL is often fine to

RE: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Li, Tong N
III; Bill Huey (hui); [EMAIL PROTECTED]; [EMAIL PROTECTED]; Nick Piggin; Bill Davidsen; John Kingman; Peter Williams; [EMAIL PROTECTED] Subject: Re: [RFC] Extend Linux to support proportional-share scheduling Hi Tong, On Tue, Jun 05, 2007 at 06:56:17PM -0700, Li, Tong N wrote: Hi all

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-06-05 Thread Willy Tarreau
On Tue, Jun 05, 2007 at 09:31:33PM -0700, Li, Tong N wrote: Willy, These are all good comments. Regarding the cache penalty, I've done some measurements using benchmarks like SPEC OMP on an 8-processor SMP and the performance with this patch was nearly identical to that with the mainline.

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-04-20 Thread William Lee Irwin III
On Fri, Apr 20, 2007 at 11:30:04AM -0700, Tong Li wrote: > This patch extends the existing Linux scheduler with support for > proportional-share scheduling (as a new KConfig option). > http://www.cs.duke.edu/~tongli/linux/linux-2.6.19.2-trio.patch > It uses a scheduling algorithm, called

Re: [RFC] Extend Linux to support proportional-share scheduling

2007-04-20 Thread William Lee Irwin III
On Fri, Apr 20, 2007 at 11:30:04AM -0700, Tong Li wrote: This patch extends the existing Linux scheduler with support for proportional-share scheduling (as a new KConfig option). http://www.cs.duke.edu/~tongli/linux/linux-2.6.19.2-trio.patch It uses a scheduling algorithm, called Distributed