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HUBzero: A Platform for Scientific Research, Education, and Collaboration
Online Presentations | 18 Mar 2015 | Contributor(s):: Michael McLennan
HUBzero® is an open source software platform used to build web sites for collaboration in an academic setting. HUBzero supports data management, computation, and the natural synergy between education and research. This talk gives an overview of the platform, showing how it...
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Porting, Tuning and Performance Analysis Tools
Online Presentations | 29 Dec 2008 | Contributor(s):: Mohamed Sayeed
A basic introduction to Porting, Tuning and Performance analysis tools will be presented. I will talk about issues in porting applications to different architectures including writing portable programs. Application performance tuning is very important to making efficient use of high performance...
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OpenMP Tutorial
Online Presentations | 25 Nov 2008 | Contributor(s):: Seung-Jai Min
This tutorial consists of three parts. First, we will discuss abouthow OpenMP is typically used and explain OpenMP programming model. Second, we will describe important OpenMP constructs and data enviroments. Finally, we will show a simple example to illustrate how OpenMP APIs are used to program...
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Introduction to Parallel Programming with MPI
Online Presentations | 24 Nov 2008 | Contributor(s):: David Seaman
Single-session course illustrating message-passing techniques. The examples include point-to-point and collective communication using blocking and nonblocking transmission. One application illustrates the manager/worker model with buffered communications. Code examples provided in C, C++, Fortran...
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Software Productivity Tools
Online Presentations | 24 Nov 2008 | Contributor(s):: David Seaman
This presentation briefly describes the use of tar(1), make(1), the Portable Batch System (PBS), and two version control systems: CVS and subversion.
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Introduction to TotalView
Online Presentations | 24 Nov 2008 | Contributor(s):: David Seaman
This single-session course presents an introduction to the use of the TotalView parallel debugger available on Purdue's Linux systems.
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BNC Annual Research Review: An Introduction to PRISM and MEMS Simulation
Online Presentations | 04 Jun 2008 | Contributor(s):: Jayathi Murthy
This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming year.
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Calculating Resonances Using a Complex Absorbing Potential
Online Presentations | 13 Mar 2008 | Contributor(s):: Robin Santra
The Siegert (or Gamow) wave function associated with a resonance state is exponentially divergent at large distances from the scattering target. A complex absorbing potential (CAP) provides a computationally simple and efficient technique for calculating the complex Siegert energy of a resonance...
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Nanoelectronic Modeling: Multimillion Atom Simulations, Transport, and HPC Scaling to 23,000 Processors
Online Presentations | 07 Mar 2008 | Contributor(s):: Gerhard Klimeck
Future field effect transistors will be on the same length scales as “esoteric” devices such as quantum dots, nanowires, ultra-scaled quantum wells, and resonant tunneling diodes. In those structures the behavior of carriers and their interaction with their environment need to be fundamentally...
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Developing Tools for nanoHUB.org
Online Presentations | 23 Jan 2008 | Contributor(s):: Michael McLennan
The nanoHUB lets you access simulation tools online via an ordinary web browser. Where do the tools come from? From you--hundreds of you throughout the world who are developing nanotechnology modeling tools. Anyone can upload their own code onto nanoHUB and publish a tool for a limited group of...
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Perspectives on Computational Quantum Chemistry
Online Presentations | 20 Dec 2007 | Contributor(s):: Martin P. Head-Gordon
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
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Challenges and Strategies for High End Computing
Online Presentations | 20 Dec 2007 | Contributor(s):: Katherine A. Yelick
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
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NanoElectronic MOdeling: NEMO
Online Presentations | 20 Dec 2007 | Contributor(s):: Gerhard Klimeck
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.Novel nanoelectronic devices such as quantum dots, nanowires, and ultra-scaled...
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Session 3: Discussion
Online Presentations | 20 Dec 2007
Discussion led by Jim Demmel, University of California at Berkeley.
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Computational Mathematics: Role, Impact, Challenges
Online Presentations | 20 Dec 2007 | Contributor(s):: Juan C. Meza
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
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Computational Modeling: Experience from my Bell Lab Days
Online Presentations | 19 Dec 2007 | Contributor(s):: Muhammad A. Alam
This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.
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HPCW Introduction to Parallel Programming with MPI
Online Presentations | 05 Dec 2007 | Contributor(s):: David Seaman
Single-session courseillustrating message-passing techniques. The examples include point-to-pointand collective communication using blocking and nonblocking transmission. Oneapplication illustrates the manager/worker model with buffered communications.Code examples provided in C, C++, Fortran 77,...
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Using Workspaces on nanoHUB.org
Online Presentations | 24 Aug 2007 | Contributor(s):: Michael McLennan
One of the most powerful tools on nanoHUB is something we call a workspace, which is a full-featured Linux desktop that you can access any time, any place, from your web browser. Workspaces are fully loaded with the latest nanoHUB software stack, including the Rappture toolkit, Octave, Scilab, a...
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Using Subversion for Source Code Control
Online Presentations | 14 Aug 2007 | Contributor(s):: Michael McLennan
If you're developing software, you should be storing your code in a source code control system. The nanoHUB team recommends Subversion, because it is easy to use, open source, and available on Unix/Linux, Windows, MacOSX, and many other systems. Subversion is similar to the popular CVS system...
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SUGAR: the SPICE for MEMS
Online Presentations | 21 May 2007 | Contributor(s):: Jason Clark
In this seminar, I present some design, modeling, and simulation features of a computer aided engineering tool for microelectromechanical systems (MEMS) called SUGAR. For experimental verification, I use a microdevice that is difficult to simulate with conventional MEMS software. I show that...