remote visualization - twin cities - university of minnesota
TRANSCRIPT
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© 2011 Regents of the University of Minnesota. All rights reserved.
Remote Visualization
Ravi Chityala Mike Knox
Nancy Rowe
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© 2011 Regents of the University of Minnesota. All rights reserved.
Remote visualization • Motivation: Large data
– Limited local storage – Lengthy data transfer time – Slow local graphics system
• Data rendered where calculated • Challenges:Bandwidth
– 1280 x 1024 pixels of 24 bits at 30 frames a second = 118 MBps
• Latency of network and GPU
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© 2011 Regents of the University of Minnesota. All rights reserved.
What is remote visualization at MSI?
• Available on Jay and Koronis • Several ways to access • Experimental
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© 2011 Regents of the University of Minnesota. All rights reserved.
Systems Jay • Nvidia Quadro FX5800 • 64G memory Koronis (SGI Altix UV Constellation); NIH
graphics[2-4] • Nvidia Quadro FX5800 • 48G memory
graphics1 • Nvidia Quadro FX1800 • 256G memory
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© 2011 Regents of the University of Minnesota. All rights reserved.
Access to Systems Jay • Reservation • qsub -I -q jay • www.msi.umn.edu/hardware/itasca/jay.html
Koronis NIH www.msi.umn.edu/hardware/koronis
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© 2011 Regents of the University of Minnesota. All rights reserved.
Systems System Location of
temporary storage
Single Read/Write speed
Aggregate Read/Write speed
Jay /lustre ~400MB/s ~400MB/s
~10GB/s ~13.5GB/s
Koronis /scratch ~1.5GB/s ~1.5GB/s
~4 - 14GB/s ~7- 16GB/s (highly variable)
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© 2011 Regents of the University of Minnesota. All rights reserved.
Ways to access • KVM • Teradici • VirtualGL • Client/Server
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KVM • Keyboard, Video and Mouse • Directly runs software • Installed in SDVL 575
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Teradici card • PCoIP • Host rendering • Just sends pixels • Installed in SDVL 575
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© 2011 Regents of the University of Minnesota. All rights reserved.
VirtualGL (VGL) • Open source • OpenGL • Linux server • Requires local client – Linux, Windows, Mac
• Images rendered on remote computer • 2D graphics done locally • Applications not vendor supported
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© 2011 Regents of the University of Minnesota. All rights reserved.
Software • Avizo • Ensight • Custom software
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© 2011 Regents of the University of Minnesota. All rights reserved.
Avizo • General purpose visualizer • VGL • Scripting
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Ensight • Engineering data • VGL • Client/Server
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© 2011 Regents of the University of Minnesota. All rights reserved.
VirtualGL Installation • Browse to the download page:
– http://www.virtualgl.org/Downloads/VirtualGL
• Pick an appropriate installation package – Architecture: i386 / amd64 – OS: .exe / .rpm / .deb / .dmg
• Follow the OS specific installation instructions: – http://virtualgl.svn.sourceforge.net/viewvc/virtualgl/vgl/trunk/doc/index.html#hd004
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© 2011 Regents of the University of Minnesota. All rights reserved.
Jay
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© 2011 Regents of the University of Minnesota. All rights reserved.
Login to Jay
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© 2011 Regents of the University of Minnesota. All rights reserved.
Copy files from project space to Lustre
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© 2011 Regents of the University of Minnesota. All rights reserved.
Starting Avizo
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© 2011 Regents of the University of Minnesota. All rights reserved.
Avizo
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© 2011 Regents of the University of Minnesota. All rights reserved.
File open
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© 2011 Regents of the University of Minnesota. All rights reserved.
File Open
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© 2011 Regents of the University of Minnesota. All rights reserved.
Data read mode
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© 2011 Regents of the University of Minnesota. All rights reserved.
Data read complete
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© 2011 Regents of the University of Minnesota. All rights reserved.
Ortho-slice
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Iso-surface
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Starting Ensight
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Ensight
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© 2011 Regents of the University of Minnesota. All rights reserved.
Koronis and Graphics[1-4]
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Login to Koronis
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Login to Graphics1
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Copy file from project space to scratch
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© 2011 Regents of the University of Minnesota. All rights reserved.
Starting Avizo
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Starting Ensight
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© 2011 Regents of the University of Minnesota. All rights reserved.
• Ravi Chityala [email protected] • Mike Knox [email protected] • Nancy Rowe [email protected]
• MSI Help [email protected]
Contact Information
The University of Minnesota is an equal opportunity educator and employer. This PowerPoint is available in alternative formats upon request. Direct requests to Minnesota Supercomputing Institute, 599 Walter library, 117 Pleasant St. SE,
Minneapolis, Minnesota, 55455, 612-624-0528.