From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 26 Mar 2009 15:13:21 -0400 Message-ID: From: Venkatesh Srinivas To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Inferno slow on Plan 9? Topicbox-Message-UUID: c9f99ede-ead4-11e9-9d60-3106f5b1d025 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... -- vs