From: William Lee Irwin III <wli@holomorphy.com>
To: Andrew Morton <akpm@digeo.com>
Cc: Dave Jones <davej@codemonkey.org.uk>,
Bill Davidsen <davidsen@tmr.com>,
Aaron Lehmann <aaronl@vitelus.com>,
Con Kolivas <conman@kolivas.net>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [BENCHMARK] 2.5.47{-mm1} with contest
Date: Thu, 21 Nov 2002 09:26:50 -0800 [thread overview]
Message-ID: <20021121172650.GR23425@holomorphy.com> (raw)
In-Reply-To: <3DDD162B.BAC88F94@digeo.com>
On Thu, Nov 21, 2002 at 09:21:47AM -0800, Andrew Morton wrote:
> We'd buy a bit by arranging for the in-kernel copy of the fp state
> to have the same layout as the hardware. That way it can be done in
> a single big, fast, well-aligned slurp. But for some reason that code has
> to convert into and out of a different representation.
> But the real low-hanging fruit here is the observation that the
> test application doesn't use floating point!!!
> Maybe we need to take an fp trap now and then to "poll" the application
> to see if it is still using float.
Um... both of these are in the "wtf?? it doesn't do that now??" category.
Bill
next prev parent reply other threads:[~2002-11-21 17:27 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-11 23:31 [BENCHMARK] 2.5.47{-mm1} with contest Con Kolivas
2002-11-12 0:09 ` Andrew Morton
2002-11-12 1:51 ` Con Kolivas
2002-11-12 2:07 ` mark walters
2002-11-12 2:18 ` Con Kolivas
2002-11-12 8:52 ` Giuliano Pochini
2002-11-12 9:20 ` Jens Axboe
2002-11-12 9:40 ` Con Kolivas
2002-11-12 3:04 ` Aaron Lehmann
2002-11-12 11:04 ` Andrew Morton
2002-11-12 14:20 ` Aaron Lehmann
2002-11-12 14:23 ` Jens Axboe
2002-11-12 20:37 ` Bill Davidsen
2002-11-12 20:59 ` Andrew Morton
2002-11-20 23:02 ` Andrew Morton
2002-11-21 0:08 ` William Lee Irwin III
2002-11-21 1:11 ` Alan Cox
2002-11-21 6:54 ` Andrew Morton
2002-11-21 13:20 ` Dave Jones
2002-11-21 17:21 ` Andrew Morton
2002-11-21 17:26 ` William Lee Irwin III [this message]
2002-11-21 18:18 ` Dave Jones
2002-11-21 18:25 ` Bill Davidsen
2002-11-21 14:00 ` Dave Jones
2002-11-21 19:59 ` Denis Vlasenko
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