From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: erik quanstrom Date: Mon, 14 Jul 2008 12:35:15 -0400 To: rvs@sun.com, 9fans@9fans.net MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Plan 9 and multicores/parallelism/concurrency? Topicbox-Message-UUID: e5f13706-ead3-11e9-9d60-3106f5b1d025 > > Plan 9 makes it easy via 9p, its file system/resource sharing > > protocol. In plan 9, things like graphics and network drivers export a > > 9p interface (a filetree). Furthermore, 9p is network transparent > > which means accesses to remote resources look exactly like accesses to > > local resources, and this is the main trick - processes do not care > > whether the file they are interested in is being served by the kernel, > > a userspace process, or a machine half way across the world. > > All very true. And it sure does provide enormous benefits on distributed > memory architectures. But do you know of any part that would be > beneficial for highly-SMP systems? do you have some reason to believe that 9p (or just read and write) is not effective on such a machine? since scheduling would be the main shared resource, do you think it would be the limiting factor? - erik