A Podcast for HPC Folk

A Podcast for HPC Folk

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RCE 90: Numba

Brock Palen and Jeff Squyres speak with Stanly Seibert Numba a just in time compiler (JIT) for accelerating Python code.

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Stanley Seibert is a software developer for Continuum Analytics working on the Numba project. He received a Ph.D. in experimental high energy physics from the University of Texas at Austin, and worked as a postdoc at Los Alamos National Laboratory and University of Pennsylvania. His research interests include Monte Carlo algorithms, Bayesian methods, optical simulation of particle detectors, and promoting the use of Python and GPUs in scientific computing.

RCE 89: Notre Dame Adaptation Collaboratory

ND Collaboratory

Brock Palen and Jeff Squyres speak with Jason Dzurisin and Jessica Hellmann about ND Adaptation Collaboratory for research, education, and collaboration in the area of adaptation and climate change.

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Dr. Jessica Hellmann is Associate Professor at the University of Notre Dame in the Department of Biological Sciences. Her research examines how climate change and other environmental stressors affect species and ecosystems and how how these changes affect people in turn. Her research group currently investigates species' responses to climate change, impacts on endangered and imperiled animals, human adaptation to regional and global climate, and strategies that governments and corporations can use to adjust to changing climate. She is a founding member of the Collaboratory for Adaptation to Climate Change. She also leads the climate change adaptation group of the Environmental Change Initiative, manages an interdisciplinary graduate training program on environment and society called GLOBES, and directs research for the Global Adaptation Index, all at Notre Dame.

Jason Dzurisin is a Research Program Manager at the University of Notre Dame in the Department of Biological Sciences. He examines the vulnerability of natural systems to global change and works to develop knowledge, tools and strategies to aid conservation efforts. Previously, he investigated the response of a number of species to simulated climate shifts at genetic, organismal, and population-level scales. He currently manages the research program, content generation, and community development/outreach for the Collaboratory for Adaptation to Climate Change.

RCE 88: Elmer

Elmer

Brock Palen and Jeff Squyres speak with Thomas Zwinger, Mikko Byckling, and Peter Raback about Elmer an Open Source Finite Element Software for Multiphysical Problems.

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D.Sc Mikko Byckling is an application specialist at CSC - IT center for Science Ltd. He has a M.Sc. in computer science from Helsinki University of Technology in 2006 and D.Sc in mathematics from Aalto University of Technology in 2011. Before joining CSC in 2012, he worked as a postdoctoral researcher in the parallel algorithms group of CERFACS. His professional interests include parallel algorithms, parallel programming and scientific software development.

Peter RÂback holds a D.Sc. in physics from Helsinki University of Technology. He has been involved in the development of Elmer since 2001 contributing to many aspects of the code. His main specialities lie in the solution of coupled problems. Currently RÂback is managing the development of Elmer at CSC - IT Center for Science, Finland.

Dr. Thomas Zwinger currently is a senior application scientist at CSC - IT Center for Science Ltd. in Espoo and adjunct professor (physics of the cryosphere) at the Department of Physics at Helsinki University. MSc in physical engineering (TU Vienna and TU Darmstadt) and PhD in Mechanical Engineering (TU Vienna) and more than 15 years experience in continuum models for fluid flow and heat transfer, with a particular focus on geophysical flows (ice sheet, glaciers, avalanches, micro-meteorology) and micro-fluidic applications. 33 research articles in peer reviewed journals (J. Glaciol., J. Non-Newtonian Fluids, Micro Nanofluid, The Cryosphere, GMD, Clim. Past, JGR, GRL, Rev. Geophys., Nature CC, PNAS, ...)

RCE 87: SciDB

SciDB

Brock Palen and Jeff Squyres speak with Paul Brown about SciDB. SciDB Open Source Data Management and Analytics Software for Scientific Research, with Python and R interfaces.

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Paul Brown is the Chief Architect working for Paradigm4 on the SciDB platform. In his past lives, he worked at a string of DBMS companies that aggressively deployed the letter ‘I’; Ingres, Illustra, Informix and more recently for a decade at IBM Research’s Almaden Lab. He is the author of three books on DBMS technologies, and numerous articles in both the applied and research literature.

RCE 86: Eucalyptus

Eucalyptus

Brock Palen and Jeff Squyres speak with Greg DeKoenigsberg and Vic Iglesias about Eucalyptus. Eucalyptus is an Open Source implementation of the Amazon AWS API's for building private cloud.

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Greg DeKoenigsberg is the Vice President of Product and Community for Eucalyptus Systems, Inc., where he leads both the product direction and the company relationship with the broader open source community. Greg brings to Eucalyptus over a decade of open source advocacy and community leadership, with the majority of this time spent building and leading communities for open source leader Red Hat. While at Red Hat, Greg served in various community leadership roles, including senior community architect, leader of the Fedora project, chair of the first Fedora Project Board, and Red Hat community liaison with the One Laptop Per Child project.

Vic Iglesias is Director of Quality and Release at Eucalyptus Systems. He looks to enable end-users to build and qualify their production systems through open source projects and tools like Eutester, MicroQA, and EucaDev. Vic comes to Eucalyptus from Occam Networks where he worked on access network hardware.

RCE 85: FraunhoferFS

FraunhoferFS

Brock Palen and Jeff Squyres speak with Christian Mohrbacher and Sven Breuner about FraunhoferFS (FhGFS). FraunhoferFS (FhGFS) is the high-performance parallel file system from the Fraunhofer Competence Center for High Performance Computing. Its distributed metadata architecture has been designed to provide the scalability and flexibility that is required to run today's most demanding HPC applications.

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Sven Breuner decided early to focus on design and development of performance-critical parallel and distributed applications. He joined the Fraunhofer Competence Center for High Performance Computing (CC-HPC) in 2005, after receiving his Bachelor degree in computer science with a thesis on process management on heterogeneous compute clusters. At Fraunhofer, he developed the initial architecture design of the Fraunhofer Parallel File System (FhGFS). In 2008, he received a Master degree in computer science with a thesis on efficient distributed metadata management in parallel file systems. With his substantial knowledge in storage systems, Linux kernel development and fast interconnects, he is currently leading the file system development team within the CC-HPC.

Christian Mohrbacher joined the Fraunhofer Competence Center for High Performance Computing in 2008 to complete his diploma thesis. There, he focused on parallel filesystems, especially FhGFS and joined the parallel file system group directly after receiving his degree in computer science.

RCE 84: Scalable Checkpoint/Restart

Scalable Checkpoint/Restart

Brock Palen and Jeff Squyres speak with Kathryn Mohror and Adam Moody about Scalable Checkpoint/Restart (SCR). An open-source library for implementing multilevel checkpointing in clustered systems.

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Kathryn Mohror is a computer scientist on the Scalability Team (https://scalability.llnl.gov/) at the Center for Applied Scientific Computing at Lawrence Livermore National Laboratory (LLNL). Kathryn’s research on high-end computing systems is currently focused on scalable fault tolerant computing and performance measurement and analysis. Her other research interests include scalable automated performance analysis and tuning, parallel file systems, and parallel programming paradigms. Kathryn has been working at LLNL since 2010.

Adam Moody works within the Livermore Computing Center at Lawrence Livermore National Laboratory. He supports people using computer center resources, and his focus lies in scalable communication algorithms and fault tolerance. He contributes to a number of open source software projects for high-performance computing including MPI, scalable process group representation and communications, parallel sorting, parallel file management, and the Scalable Checkpoint/Restart library. He graduated from The Ohio State University in 2003, and he is and always will be an avid fan of the Buckeyes.

RCE 83: Orio

Orio

Brock Palen and Jeff Squyres speak with Boyana Norris about Orio. An open-source extensible framework for the definition of domain-specific languages and generation of optimized (C, Fortran, CUDA, OpenCL) code for multiple architecture targets (e.g., CPUs, NVIDIA and AMD GPUs, Intel Phi), including support for empirical autotuning of the generated code.

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Boyana Norris received her B.S. in Computer Science at Wake Forest University in 1995 and her Ph.D. in Computer Science from the University of Illinois at Urbana-Champaign in 2000. She joined Argonne National Laboratory as a postdoctoral researcher in 1999 and continued working there through 2013 as an Assistant Computer Scientist and Computer Scientist. She is currently an Assistant Professor at the Department of Computer and Information Science at the University of Oregon. Her research in high-performance computing (HPC) focuses on methodologies and tools for performance reasoning and automated optimization of scientific applications, while ensuring continued or better usability of HPC tools and libraries and improving developer productivity. She has coauthored over 70 peer-reviewed publications on topics including performance modeling, automated performance optimization (autotuning) of parallel scientific applications, embedding of domain-specific languages into legacy codes, source-transformation-based automatic differentiation, adaptive algorithms for HPC, component-based software engineering for HPC, and taxonomy-based approaches to learning and using HPC libraries. In her computer-free time, Boyana likes to run unreasonable distances, read, garden, and spend time with her family.

RCE 82: Chef

Food Fight Show

 

This was a joint podcast between RCE and the Food Fight about Chef a configuration management tool. The show is in two parts, what is HPC and what is Chef.

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Be sure to check out the full video of the discussion.

 
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