CSERD: Search Results (2024)

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This is an online resource center for materials that relate to foundations of mathematics (FOM).

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Parallelization: Conway's Game of Life

This module teaches: 1) Conway's Game of Life as an example of a cellular automaton, 2) how cellular automata are used in solutions to scientific problems, 3) how to implement parallel code for Conway's Game of Life (including versions that use shared memory via OpenMP, distributed memory via the Message Passing Interface (MPI), and hybrid via a combination of OpenMP and MPI), 4) how to measure the performance and scaling of a parallel application in multicore and manycore environments, and 5) how cellular automata fall into the Structured Grid "dwarf" (a class of algorithms that have similar communication and computation patterns). Upon completion of this module, students should be able to: 1) Understand the importance of cellular automata in modeling scientific problems, 2) Design a parallel algorithm and implement it using OpenMP and/or MPI, 3) Measure the scalability of a parallel code over multiple or many cores, and 4) Explain the communication and computation patterns of the Structured Grid dwarf. It is assumed that students will have prerequisite experience with C or Fortran 90, *nix systems, and modular arithmetic.

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Collection of resources for physics education. Teacher's resources include classroom activities and cosmic ray e-labs. Students' resources include studies on cosmic rays, discovering particles, ohm's law applications.

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Testing the Waters with Undergraduates (If you lead students to HPC, they will drink)

For the Blue Waters Undergraduate Petascale Education Program(NSF), we developed two computational science modules,"Biofilms: United They Stand, Divided They Colonize" and"Getting the 'Edge' on the Next Flu Pandemic: We Should'a 'Node'Better." This paper describes the modules and details ourexperiences using them in three courses during the 2009-2010academic year at Wofford College. These courses, from threeprograms, included students from several majors: biology,chemistry, computer science, mathematics, physics, andundecided. Each course was evaluated by the students andinstructors, and many of their suggestions have already beenincorporated into the modules.

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On line reference desk covering a wide varaiety of topics in science and liberal arts.

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Shockwave animations that illustrate many of the topics in the Chemistry-first version of An Introduction to Chemistry by Mark Bishop.

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Note that the GridShib project has reached the end of it's original life, however some of the software lives on: * The GridShib CA issues certificates based on Shibboleth authentication. The GridShib CA is now supported by the CILogon Project.The following software is used by the TeraGrid Science Gateways program and is supported solely for that purpose. New adoption is not encouraged due to the Globus Project discontinuing development of the Java-based web services. * The GridShib SAML Tools bind SAML V1.1 assertions to RFC 3820 proxy certificates. The SAML Tools are used by the TeraGrid Science Gateways program and supported for that purpose. * GridShib for Globus Toolkit performs SAML-based authorization for Globus Toolkit 4.0 Java-based web services.The following GridShib software is no longer supported: * GridShib for Shibboleth provides software plugins for the Shibboleth 2.0 Identity Provider (IdP) that implement the SAML V2.0 Holder-of-Key Web Browser SSO Profile.

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CSERD: Search Results (12)

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Astronomical Coordinates

The celestial coordinate system is a projection of earth's coordinate system into the celestial sphere. Being just like Earth's system it contains an "equator", lines of "latitude" and "longitude", and even poles. (Though we don't use the same words for it.) One suggestion one might have would be to just extend the Earth's latitude, longitude, and equator out into the night sky, but the Earth is constantly spinning. For the Celestial coordinates, we have to pick some fixed reference to go by.

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Newton's Method

The Newton's Method Calculator uses Newton's method to solve for the roots of a function of x.

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Accelerating Geophysics Simulation using CUDA

CitcomS, a finite element code that models convection in the Earth's mantle, is used by many computational geophysicists to study the Earth's interior. In order to allow faster experiments and greater simulation capability, there is a push to increase the performance of the code to allow more computations to complete in the same amount of time. To accomplish this we leverage the massively parallel capabilities of graphics processors (GPUs), specifically those using NVIDIA's CUDA framework. We translated existing functions to run in parallel on the GPU, starting with the functions where the most computing time is spent. Running on NVIDIA Tesla GPUs, initial results show an average speedup of 1.8 that stays constant with increasing problem sizes and scales with increasing numbers of MPI processes. As more of the CitcomS code is successfully translated to CUDA, and as newer general purpose GPU frameworks like Fermi are released, we should continue to see further speedups in the future.

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CSERD: Search Results (2024)


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