nanoHUB.org: Cyberinfrastructure for Research and Education

Slide 1: nanoHUB.org: Cyberinfrastructure for Research and Education Michael McLennan Software Architect Network for Computational Nanotechnology Purdue University Cyberinfrastructure Summit: Innovation at Work Banff, AB, October 11-12, 2007

Slide 2: What is nanoHUB? Online simulation… …and more!

Slide 3: Demo Demo >>

Slide 4: Over 50 tools online! 50 more in the pipeline

Slide 5: Web-enabling Tools Vendor Scientist Web Developer

Slide 6: System Architecture Physical Machine Maxwell’s Virtual Machine Content Daemon Database 0101 1011 1001 nanowire job nanoHUB cluster Rendering Farm Violin nanoVIS

Slide 7: Rappture Toolkit Rappture = Simulation • Created by NCN in Nov 2004 Code • Create standard desktop apps • Works with your favorite programming language • Open Source • Online at http://rappture.org Scientist

Slide 8: Rappture works by defining the interface XML interface description <?xml version="1.0"?> <run> <tool> <title>Name of the tool</title> <about>Description and credits</about> <command> @tool/path/to/executable @driver </command> <limits> <cputime>900</cputime> <filesize>1000000</filesize> </limits> </tool> <input> ... </input> <output> ... </output> </run> integer: n curve: E-k diagram CNTbands integer: m curve: DOS model choice: sim method molecule: structure … …

Slide 9: Inputs, Outputs, and Metadata Complete record of every simulation run <?xml version="1.0"?> <run> <tool> <title>CNTbands v2.0</title> <command>@tool/cnbandswr @driver</command> Exact software <version> revision from <application> <revision>16</revision> Subversion <modified>2007-05-24 10:58:42 EDT</modified> <installed>2007-05-24 10:59:51 EDT</installed> More details </application> about software </version> </tool> installation <input> </input> All inputs <output> </output> All results </run>

Slide 10: Who’s using this? 2.5 million hits last month 26,196 users last 12 months 226,899 simulation jobs last 12 months 51 of the Top 50 Engineering Schools 11.75% of all .edu domains

Slide 11: A A global following 50% in US

Slide 12: A A global following

Slide 13: Strong growth Online simulation… …and more! Interactive tools Added seminars, tutorials, courses, etc.

Slide 14: nanowire Usage Statistics Released May 19, 2006 656 Users 6,711 Simulations

Slide 15: Saumitra Mehrotra Univ. of Cincinnati In the past 10 months: 26 tools / 3,327 simulations • 47 simulations: bandstructure lab • 240 simulations: FETtoy • 2,855 simulations: nanowire • 8,242 nanowire CPU hours • “and more” content 134 items, 52 hours • 96 support tickets 69 entered manually, 27 filed automatically by application

Slide 16: IEEE Workshop on Microelectronics and Electron Devices (WMED), April 20 2007

Slide 17: Google Scholar finds 159 citations to nanoHUB

Slide 18: Case in point Rappture version Feb 06 366 Users TCAD simulations using SCHRED [15] or Last 12 months ISE, …., were used to support our analysis and compute the inversion carrier profiles in the devices. Effect of channel positioning on the 1⁄ f noise in silicon-on-insulator metal-oxide-semiconductor M von Haartman, M Oestling, Journal of Applied Physics, 2007 - link.aip.org... • Same behavior across all similar converted tools • User’s don’t have to download/install software

Slide 19: A New Way of Publishing Upload your own • Presentations • Tools Support one another • Questions & Answers • Ratings and Feedback