Re: DragonFly vs FreeBSD scheduler

On Sat, Nov 3, 2012 at 8:01 AM, Alfred Perlstein <bright@mu.org> wrote:

> On 11/3/12 6:18 AM, Alie Tan wrote:
>
>> Hi,
>>
>> No offence, just curious about scheduler and its functionality.
>>
>> What is the different between this two that makes FreeBSD performance far
>> behind DragonFly BSD? http://www.dragonflybsd.org/**release32/<http://www.dragonflybsd.org/release32/>
>>
>
> Looks like a few specific benchmarks that DragonFly aimed to do well at
> that we were unawares of.
>
> Not sure, didn't see DragonFly sharing the results with us until this
> paper was published although I may have missed that.
>
> -Alfred
>
>
>

The following pages are available ( I do not know when they are created ) :

http://www.dragonflybsd.org/docs/developer/ProjectsPage/

http://www.dragonflybsd.org/docs/developer/ProjectsPage/#index14h3
Disk scheduling rc scripts (GCI:Code)

http://www.dragonflybsd.org/docs/developer/ProjectsPage/#index20h3
CPU scheduler

http://www.dragonflybsd.org/docs/developer/ProjectsPage/#index21h3
I/O scheduler

http://www.dragonflybsd.org/docs/developer/researchprojectspage/

http://www.dragonflybsd.org/docs/developer/researchprojectspage/#index8h3
Evaluate/Improve Context Switching Performance

http://www.dragonflybsd.org/docs/developer/gsocprojectspage/

Implement further dsched disk scheduling policies (2011 Project: BFQ)
Add SMT/HT awareness to our scheduler
Extend dsched framework to support jails

http://www.dragonflybsd.org/docs/developer/gsoc2011/

http://leaf.dragonflybsd.org/mailarchive/kernel/2011-04/msg00060.html
[GSoC]Overview on my GSoC project: Implement BFQ disk scheduling policy

http://www.google-melange.com/gsoc/project/google/gsoc2012/mihaicarabas/10001
Add SMT/HT awareness to DragonFlyBSD scheduler
Mihai Carabas

http://leaf.dragonflybsd.org/mailarchive/kernel/2012-03/msg00066.html
[GSOC] Add SMT/HT awareness to DragonFlyBSD scheduler

http://www.google-melange.com/gsoc/proposal/review/google/gsoc2012/mihaicarabas/1
Add SMT/HT awareness to DragonFlyBSD scheduler
Mihai Carabas

Thank you very much .

Mehmet Erol Sanliturk
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