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Date:      Wed, 08 Feb 2012 12:06:47 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-hackers@freebsd.org
Subject:   Re: [RFT][patch] Scheduling for HTT and not only
Message-ID:  <jgtl07$hkp$1@dough.gmane.org>
In-Reply-To: <20120206191031.GA76990@freebsd.org>
References:  <4F2F7B7F.40508@FreeBSD.org> <20120206160136.GA35918@freebsd.org> <4F2FFFDA.2080608@FreeBSD.org> <201202061837.48946.tijl@coosemans.org> <4F301406.7080906@FreeBSD.org> <20120206191031.GA76990@freebsd.org>

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On 06/02/2012 20:10, Alexander Best wrote:

> btw: does anybody know, if there are plans to commit the BFS scheduler to HEAD

BFS is available but I think it needs more work on it before it can be 
useful; it didn't explore some optimizations it could have and currently 
spends much more time in lock contention with itself that necessary. 
I.e. it's usable only in very borderline cases.

> algorithm would be a scheduling infrastructure similar to GEOM. that way it
> would be much easier to implement new algorithms (maybe in XML).

I don't think XML would be applicable beyond fine-tuning an already 
existing scheduler (unless we implement a whole Turing-complete 
sublanguage in it :) ). Someone mentioned on a list that he has a 
"pluggable scheduler" infrastructure ready - this would be a necessary 
first step in modularization.





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