Re: RR

From: Rik van Riel (riel@conectiva.com.br)
Date: Wed Oct 25 2000 - 09:48:36 EST


On Wed, 25 Oct 2000, Joe Harrington wrote:

> When having 5 proceeses {A, B, C, D ,E}, with run times
> A = 10
> B = 6
> C =2
> D = 4
> E = 8
> Why does round robin do A -> E -> B -> D -> C,
> why not just use FIFO?

1. how would the OS know in advance what the run times of
   each process is?

2. how would YOU like fifo scheduling when it means your
   editor might have to wait 30 seconds for a compiler
   to finish?

regards,

Rik

--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/ http://www.surriel.com/

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Tue Oct 31 2000 - 21:00:15 EST