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- From: Peter Shirley <shirley@cs.utah.edu>
- To: Abe Stephens <abe@sci.utah.edu>
- Cc: "'manta@sci.utah.edu'" <manta@sci.utah.edu>
- Subject: Re: [MANTA] Tile size plot.
- Date: Mon, 4 Jul 2005 17:22:00 -0600 (MDT)
very interesting. The red/orange difference is what? There are some
features in that range that are preobably worth understanding...
Pete
On Mon, 4 Jul 2005, Abe Stephens wrote:
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The colors are from the rainbow color map-- blue is 6.65 fps and red is 17.0
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fps. The plot is 32x32 squares, tile size 1x1 is in the bottom left and tile
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size 32x2 is second from the bottom along the right side. Each sample is
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fps
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benchmark score of running -bench 20 10 with 12 processors on the default
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image.
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Abe
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Peter Shirley wrote:
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> What do the colors mean?
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> Pete
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> On Sun, 3 Jul 2005, Abe Stephens wrote:
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> > Hi,
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> > I'm not sure if anyone has done a tile size test with manta before. I
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> > just did
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> > one for the default scene, tile sizes 1x1 through 32x32. The minimum
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> > fps was
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> > 6.65 and the max was 17.0. Bottom left corner is 1x1 and bottom right
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> > corner
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> > is 32x1. The maximum working tile dimension appears to be 32 in the
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> > itanium2
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> > branch..
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> >
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> > I wrote a perl script, which I will put in StandAlone/. The script
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> > produces a
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> > text file which can be transformed into a plot using unu.
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> >
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> > bin/manta -np 12 -ui null -imagedisplay null -bench 20 10
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> > -imagetraverser
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> > "tiled( -tilesize NxN )"
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> >
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> > The default size is 32x2. I think some additional tests will be
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> > useful.
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> > Abe
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