Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!uunet!mcsun!ukc!edcastle!cs.ed.ac.uk!sam From: sam@cs.ed.ac.uk (S Manoharan) Newsgroups: comp.theory Subject: Re: Polynomial time scheduling algos. Message-ID: <8911@skye.cs.ed.ac.uk> Date: 15 Apr 91 20:46:31 GMT References: <70425@eerie.acsu.Buffalo.EDU> Sender: nnews@cs.ed.ac.uk Reply-To: sam@lfcs.ed.ac.uk (S Manoharan) Organization: Department of Computer Science, University of Edinburgh Lines: 11 In article <70425@eerie.acsu.Buffalo.EDU> sarnath@sybil.cs.Buffalo.EDU (Ramnath Sarnath) writes: >I am looking for restricted versions of multi-processor scheduling >problems that are known to be solvable in polynomial time. >I would appreciate any references to such work. If I remember right, polynomial time algorithms are known only for two cases: when the task graph is a forest, and when there are only two processors available. I presume you meant optimal polynomial algorithms. See Coffman's "Computer & job shop scheduling theory". Manoharan.