From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@cse.psu.edu
Subject: [9fans] nvidia scrolling performance
Date: Sat, 29 Apr 2006 16:39:43 -0500 [thread overview]
Message-ID: <70c5a0235128a534fa24ca9c28cce7e2@quanstro.net> (raw)
i've been using 1280x1024x32 on an nv18 with a greyscale font.
graphics performance is good. page is able to pan large images
smoothly. however, for a ~1000x750 window, i get these numbers
with various other load on the system:
0.00u 0.00s 49.32r cat /sys/games/lib/fortunes # system is idle
0.00u 0.00s 50.29r cat /sys/games/lib/fortunes # load avg of ~ 0.5
0.00u 0.00s 50.71r cat /sys/games/lib/fortunes # load avg of ~ 0.9
0.00u 0.01s 63.46r cat /sys/games/lib/fortunes # load avg > 1
running the same test with pelm.8, i get
0.00u 0.00s 1.08r cat /sys/games/lib/fortunes
the only obvious difference i see between the plan 9 driver and the xf86 stuff is
that the xf86 stuff tries to buffer dma access a bit. is ths the key, or should i be looking
at something else?
- erik
next reply other threads:[~2006-04-29 21:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-29 21:39 erik quanstrom [this message]
2006-04-30 4:00 ` jmk
2006-04-30 16:10 ` Russ Cox
2006-04-30 18:12 ` Steve Simon
2006-04-30 22:34 ` Ronald G Minnich
2006-05-01 6:52 ` Nigel Roles
2006-05-01 19:58 ` Ronald G Minnich
2006-05-01 20:10 ` David Leimbach
2006-05-01 0:30 erik quanstrom
2006-05-01 17:44 ` Russ Cox
2006-05-01 17:57 ` Artem Letko
2006-05-01 19:02 ` Russ Cox
2006-05-01 0:52 erik quanstrom
2006-05-01 1:00 ` Paul Lalonde
2006-05-05 15:46 erik quanstrom
2006-05-05 15:56 ` Paul Lalonde
2006-05-05 16:01 ` David Leimbach
2006-05-05 16:21 ` Paul Lalonde
2006-05-05 16:59 ` David Leimbach
2006-05-05 16:05 ` Wes
2006-05-05 17:07 ` Ronald G Minnich
2006-05-05 17:30 ` Paul Lalonde
2006-05-05 16:08 erik quanstrom
2006-05-05 16:42 ` David Leimbach
2006-05-05 17:22 erik quanstrom
2006-05-05 17:32 ` Paul Lalonde
2006-05-05 18:08 erik quanstrom
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