From: Venkatesh Srinivas <me@acm.jhu.edu>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] faster vesa driver
Date: Tue, 9 Jun 2009 19:29:12 -0400 [thread overview]
Message-ID: <f75780240906091629m51e3227dt6c5bc8886f20829e@mail.gmail.com> (raw)
In-Reply-To: <1943f45852005fee3e64a228e74f967f@quanstro.net>
> On Tue Jun 9 17:20:12 EDT 2009, geoff@plan9.bell-labs.com wrote:
>> I've just pushed out kernel sources and binaries to incorporate
>> Aki's mtrr and vesa changes. The combination makes monitor=vesa
>> run quite a bit faster; we saw a factor of three speed improvement
>> in one case.
What got three times faster? Do you have some kind of tool to measure
draw performance overall?
(I ask because I'm currently working on a 'drawperf', some that runs
tests similar to x11perf and xrender on drawing speed, but I'm stuck
and was hoping something like this exists....)
>> It's still limited to a single processor, but we've got someone
>> investigating ways to fix that.
We have rsc's 8i in contrib; would executing VESA BIOS operations in
it be the best way to support MP?
Thanks very much!
-- vs
next prev parent reply other threads:[~2009-06-09 23:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-09 21:18 geoff
2009-06-09 21:26 ` erik quanstrom
2009-06-09 23:29 ` Venkatesh Srinivas [this message]
2009-06-09 23:36 ` erik quanstrom
2009-06-09 23:54 ` Kenji Arisawa
2009-06-10 0:22 ` Skip Tavakkolian
2009-06-12 9:26 ` Balwinder S Dheeman
2009-06-12 11:33 ` erik quanstrom
2009-06-12 21:42 ` James Tomaschke
2009-06-16 0:20 ` Kenji Arisawa
2009-06-16 2:19 ` erik quanstrom
2009-06-16 2:46 ` Venkatesh Srinivas
2009-06-16 3:17 ` Ori Bernstein
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