From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] Inferno slow on Plan 9?
Date: Thu, 26 Mar 2009 15:25:19 -0400 [thread overview]
Message-ID: <313c48a0fc78068ef6568beeec2a751a@quanstro.net> (raw)
In-Reply-To: <f75780240903261213p61d27c9eyba7d0f68d369c034@mail.gmail.com>
> The CPU doesn't support PATs, sorry.
>
> It does have MTRR support though, wasn't there a patch to support
> Write-combining for the framebuffer region using them instead?
>
> FWIW, native graphics applications (including Hyperglenda) are very fast...
if the slowdown is caused by reading the framebuffer, than the patch wouldn't
help anyway. reading the frame buffer on certain nvidia cards (for example,
mine) can be astoundingly slow.
- erik
next prev parent reply other threads:[~2009-03-26 19:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-26 18:18 Venkatesh Srinivas
2009-03-26 18:25 ` erik quanstrom
2009-03-26 19:13 ` Venkatesh Srinivas
2009-03-26 19:25 ` erik quanstrom [this message]
2009-03-26 19:59 ` Charles Forsyth
2009-03-26 18:50 ` Charles Forsyth
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