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From: Daniel Walker <dwalker@mvista.com>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, peterz@infradead.org
Subject: Re: [ANNOUNCE/RFC] Really Fair Scheduler
Date: Sun, 02 Sep 2007 08:00:08 -0700	[thread overview]
Message-ID: <1188745208.11196.59.camel@dhcp193.mvista.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0709021634370.1817@scrub.home>

On Sun, 2007-09-02 at 16:47 +0200, Roman Zippel wrote:

> > > (1)	time = sum_{t}^{T}(time_{t})
> > > (2)	weight_sum = sum_{t}^{T}(weight_{t})
> > 
> > I read your description, but I was distracted by this latex style
> > notation .. Could you walk through in english what these two equation
> > are doing ..
> 
> T is the number of tasks, so the first is the sum of the time every task 
> gets over a period of time and the second is the sum of all weights of 
> each task.

I think I'm more puzzled now than I was before, (scratches head for
minutes) ..

I see .. It's a summation symbol .. 

For instance if there are three tasks in the system. Call them A,B, and
C.

then 

time equals "time of A" + "time of B" + "time of C"

Right? 

Daniel


  reply	other threads:[~2007-09-02 15:11 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-31  2:05 Roman Zippel
2007-08-31  9:36 ` Mike Galbraith
2007-08-31 13:22   ` Roman Zippel
2007-08-31 13:55     ` Mike Galbraith
2007-09-01  4:35     ` Mike Galbraith
2007-08-31 10:54 ` Ingo Molnar
2007-08-31 13:19   ` Roman Zippel
2007-09-02  9:26     ` Ingo Molnar
2007-09-03  2:58       ` Roman Zippel
2007-09-06  3:03         ` Syren Baran
2007-09-01  6:48   ` Roman Zippel
2007-09-02  2:19     ` Bill Davidsen
2007-09-02 17:02       ` Roman Zippel
2007-09-02  0:52 ` Daniel Walker
2007-09-02  7:20   ` Ingo Molnar
2007-09-02  8:40     ` Satyam Sharma
2007-09-02  9:59       ` Ingo Molnar
2007-09-02 15:16     ` Roman Zippel
2007-09-02 15:29       ` Ingo Molnar
2007-09-02 17:16         ` Roman Zippel
2007-09-02 19:21           ` Ingo Molnar
2007-09-07 15:35     ` Roman Zippel
2007-09-08  7:56       ` Mike Galbraith
2007-09-08  8:23         ` Mike Galbraith
2007-09-10 23:23         ` Roman Zippel
2007-09-11  6:18           ` Mike Galbraith
2007-09-11 11:28             ` Roman Zippel
2007-09-02 14:47   ` Roman Zippel
2007-09-02 15:00     ` Daniel Walker [this message]
2007-09-03 18:20       ` Roman Zippel
2007-09-03 21:06         ` Daniel Walker

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