Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!tut.cis.ohio-state.edu!ucbvax!hplabs!hpfcso!hpfcda!jvm From: jvm@hpfcda.HP.COM (Jack McClurg) Newsgroups: comp.arch Subject: Re: Single user vs. shared (was Re: Killer Micros and vectorized code) Message-ID: <5210002@hpfcda.HP.COM> Date: 20 Mar 90 17:58:32 GMT References: <1990Mar18.023523.4034@ultra.com> Organization: Hewlett-Packard, Fort Collins, CO Lines: 37 >>You will be completely shocked to see how >>low the processor utilization of single user work stations are. The >>small size of the utilization factor completely negates the cost performance >>edge of the Killer Micro inside it. > >No question about it, you waste a lot of resources by keeping them >isolated and idle. The point here is that this isn't a technology >decision, it's a policy decision. The ability for the individual >to have 100% of his local computational power available to him >on demand is a policy widely favored by individuals. The ability >to get the most computation per dollar is a policy widely favored >by central planners. > >No one argues that these policies are in any way compatible. They both >exist, and each drives a different kind of purchase decision. Neither >has anything to do with how you build technology. Both have much to do >with you how you buy it, and rather little to do with computer >architecture, at this late date. > >-- Jon I am about to break net protocol by mentioning a product, but I am sure that there are other products from different vendors with similar functionality which could be substituted for my company's product. HP has a product called Task Broker which addresses the problem mentioned above. It can select an apropriate machine to run a task based on which machine on the network makes the highest bid to run the task. The mechanism used to bid is very general and allows the owner of a workstation to have a dedicated machine during working hours and make the machine available to others at other times. I only mention this because of Jon's and Eugene's statements above. I think that you can have a very cost effective environment with distributed workstations. Jack McClurg