Agenda

NUG Business Meeting

Monday, June 12

Princeton Plasma Physics Laboratory, room B-318

Time (Eastern)

Topic

Presenter

9:00

Welcome & logistics

Stephane Ethier, PPPL

9:15

DOE Update 

Barbara Helland, DOE MICS

9:45

BREAK

10:00

NERSC Status and Five Year Plan 2006-2010 

Bill Kramer, NERSC

11:15

BREAK

11:30

NERSC Metrics 

Jonathan Carter, NERSC

12:00

LUNCH: An open discussion of metrics applied to NERSC

1:00

NUGEX Elections

Stephane Ethier, NUGEX Vice Chair

1:15

NERSC Global Filesystem Future Directions 

Matt Andrews, NERSC

1:45

Benchmarking and System Architecture Updates 

John Shalf, NERSC

2:15

Scientific Computing Highlight: "Particle simulations of collective effects in high intensity charged particle beams." 

Hong Qin, PPPL

2:45

BREAK

3:00

Scientific Computing Highlight: "Modeling the Universe Computationally: The Role of Global Filesystems and Diverse HPC Resources." 

Peter Nugent, LBNL & NERSC

3:30

NERSC-5 Procurement Update 

Bill Kramer, NERSC

4:00

Q&A, open discussions

NUG Members, chaired by Stephane Ethier

5:00

National Spherical Torus Experiment Tour

6:30

DINNER TALK: "The Fusion Program and ITER" 

Richard Hawryluk, PPPL

Training Day

Tuesday, June 13, 2006

Princeton Plasma Physics Laboratory, room B-318

Bassi - NERSC's New POWER5 System

Time (Eastern)

Topic

Presenter

9:00

Bassi Overview and Status: a high-level description of the system, its configuration, processors, interconnect, file systems, and software. 

Richard Gerber, NERSC

9:45

POWER5 processor and Bassi node overview: POWER 5 basics, differences from POWER 3, node configuration, memory layout, processor and memory affinity  

John Shalf, NERSC

10:30

BREAK

10:45

The High Speed Interconnect and Switch: getting the most out of HPS - network characteristics (MPI & LAPI latency, bandwidth), runtime performance settings, network topology, differences from Seaborg  

Jonathan Carter, NERSC

11:30

Compiling for Performance on Bassi: AIX Fortran, C, C++; recommended compiler options, useful compiler options, libraries, porting from Seaborg and Linux clusters. 

Michael Stewart

12:15

BREAK

12:30

LUNCH TALK: Experiences benchmarking GTC on High Performance Computers 

Stephane Ethier, PPPL

1:30

Benchmark Performance on Bassi: performance is compared to Seaborg, Jacquard, and a variety of other HPC platforms. 

Jonathan Carter, NERSC

2:15

Experiences Configuring, Debugging, Validating and Running on Bassi  

Richard Gerber

3:00

BREAK

3:15

High Level File Storage and Parallel I/O for Fusion Applications using ParallelHDF5

Canceled

3:30

Visualization using AVS/Express and VisIt 

Cristina Siegerist, NERSC/LBNL

5:00

ADJOURN