From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: From: John Floren Date: Wed, 25 Apr 2012 18:49:16 -0700 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [9fans] AMD64 system Topicbox-Message-UUID: 7fe28934-ead7-11e9-9d60-3106f5b1d025 On Wed, Apr 25, 2012 at 6:11 PM, Strake wrote: > On 25/04/2012, John Floren wrote: >> Through the magic of compression, and other things like realizing that >> you don't have to redraw the *entire* screen 60 times a second when >> displaying a mostly-static desktop. >> You just send the chunks that have >> changed, *when* they change. > > And when watching full-screen video, or playing full-screen 3D games? > Then it must redraw nearly the whole screen, nearly every frame. I thought you wanted this to do your uber computations, not watch movies? And if you have full-screen 3D games for Plan 9, share! >> I'm not that familiar with how the Plan 9 graphics system works, but >> we're not talking about hardware vs software OpenGL. There is no >> OpenGL to be had here. > > Not yet. It seems to be in the works: > http://plan9.bell-labs.com/wiki/plan9/todo/index.html > >> This is writing bits into a framebuffer and >> having them appear on the screen. It's pretty damn fast to write >> things to main memory. > > Yes, which works iff the video output is local. This I wrote in > response to the idea that I make one machine a 64-bit devoted CPU > server, which I doubt would be appropriate for my usage case and > available hardware. > You still haven't told us your usage case. Wild speculation about what is possible, impossible, desirable, necessary, etc. is cheap on 9fans, I'm sure you've seen that. john