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From: John Floren <john@jfloren.net>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] AMD64 system
Date: Wed, 25 Apr 2012 18:49:16 -0700	[thread overview]
Message-ID: <CAL4LZyhahqVeLa2pgE3HkXYGjKOngqAT_Fo0M-DjqUS96D4h-Q@mail.gmail.com> (raw)
In-Reply-To: <CAL3m8eBiKkKScmvGyx-UgvhWTUZBoSSY27A_tEuwi1vvcZjUMw@mail.gmail.com>

On Wed, Apr 25, 2012 at 6:11 PM, Strake <strake888@gmail.com> wrote:
> On 25/04/2012, John Floren <john@jfloren.net> 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



  parent reply	other threads:[~2012-04-26  1:49 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAL3m8eAf2Yjpg77wtykTSPnyKHxKHYc5YWfWH2L8CNjc86P1kA@mail.gmail.c>
2012-04-25 14:28 ` erik quanstrom
2012-04-25 18:04   ` Strake
2012-04-25 18:27     ` Lyndon Nerenberg
2012-04-25 18:49       ` Matthew Veety
2012-04-25 19:09         ` Strake
2012-04-25 19:15           ` John Floren
2012-04-25 19:57             ` Strake
2012-04-25 20:04               ` John Floren
2012-04-25 20:30                 ` Strake
2012-04-25 20:43                   ` John Floren
2012-04-26  1:11                     ` Strake
2012-04-26  1:21                       ` andrey mirtchovski
2012-04-26  1:24                         ` andy zerger
2012-04-26  1:49                       ` John Floren [this message]
2012-04-26  3:41                         ` Strake
2012-04-25 19:19           ` Lyndon Nerenberg
2012-04-25 20:01             ` Strake
2012-04-25 20:05               ` Gorka Guardiola
2012-04-25 20:08               ` Lyndon Nerenberg
     [not found]         ` <CAL3m8eCJughpHZ6htHyLyq9vORA+z5ajpWMbWjnCTVZ+YZRv9g@mail.gmail.c>
2012-04-25 19:36           ` erik quanstrom
     [not found]       ` <CA+4OWrwGgkYfuj2t4dkWsZHFex4oFTveDq_9A+yr=TsNpG0C8g@mail.gmail.c>
2012-04-25 18:56         ` erik quanstrom
2012-04-25 19:16           ` Strake
     [not found]           ` <CAL3m8eDJEo6o+srxuYpKSGDmM+0KgQhC15u7Qxg4TvnpO57Zgw@mail.gmail.c>
2012-04-25 19:32             ` erik quanstrom
2012-04-25 20:13               ` Strake
2012-04-25 20:20                 ` Lyndon Nerenberg
2012-04-26  3:38                 ` Russ Cox
2012-04-26  4:04                   ` Devon H. O'Dell
2012-04-26  4:13                     ` andrey mirtchovski
2012-04-26  4:36                   ` Strake
2012-05-05 15:02                   ` Ethan Grammatikidis
2012-05-05 15:33               ` [9fans] integer width on AMD64 (was: Re: AMD64 system) dexen deVries
2012-05-05 16:41                 ` David du Colombier
2012-05-05 17:42                 ` erik quanstrom
2012-05-05 17:48                 ` Charles Forsyth
2012-05-05 17:52                   ` dexen deVries
2012-05-05 21:06                   ` Comeau At9Fans
2012-05-06  2:58                     ` [9fans] integer width on AMD64 Joel C. Salomon
2012-05-06  3:13                       ` Bruce Ellis
2012-05-06  8:46                       ` Comeau At9Fans
     [not found]                       ` <CAE9W7-gmaSYzx+4TK0LKtiHaZYC-4xz_DTbC_wqhsGo_7zXc0Q@mail.gmail.c>
2012-05-06 13:10                         ` erik quanstrom
2012-05-06 13:57                           ` Comeau At9Fans
2012-05-06  9:20                   ` [9fans] integer width on AMD64 (was: Re: AMD64 system) steve
2012-05-06 11:43                     ` Comeau At9Fans
2012-05-07  8:53                       ` steve
2012-05-07 10:01                         ` dexen deVries
2012-05-07 10:16                           ` Charles Forsyth
2012-05-07 10:27                           ` Charles Forsyth
2012-05-07 10:36                             ` dexen deVries
2012-05-08 19:04                               ` Comeau At9Fans
     [not found]                           ` <CAOw7k5h9QVUCrKr4jYU++sSWE6DHqbA_oFRwajyKbj7A0AjBWg@mail.gmail.c>
2012-05-07 12:11                             ` erik quanstrom
2012-05-07 12:32                           ` erik quanstrom
2012-05-07 12:44                         ` erik quanstrom
2012-05-08 19:14                           ` Comeau At9Fans
2012-05-05 21:00                 ` Comeau At9Fans
     [not found]   ` <CAL3m8eDMXC2STjFjBUurmdY5DynCOrpqwE-ViRuSubfF6HjBOw@mail.gmail.c>
2012-04-25 18:11     ` [9fans] AMD64 system erik quanstrom
2012-04-25 14:17 Strake
2012-04-25 14:26 ` Nemo
2012-04-25 14:31   ` Christoph Lohmann
2012-04-25 14:46     ` Nemo
2012-04-25 14:36 ` David du Colombier

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