National Energy Research Scientific Computing Center (NERSC)

NERSC View of the Greenbook

Bill SaphirChief ArchitectNERSC Center Division, LBNL6/23/2004

Role of the Greenbook

• Provides the scientific justification for NERSC systems, services, activities

• Provides guidance to NERSC on how to best serve its users

Greenbook Messages

• The Greenbook clearly describes– What science is/can be enabled by High

Performance Computing facilities– The need for large centralized computing

resources

• The Greenbook should also talk about– Non-computational requirements– Infrastructure support– Services– Other activities in support of high performance

computing

Areas of Interest

• User services (training, documentation)• Systems management• Network services• Impact of algorithms on system

requirements• Global shared storage (GUPFS) needs and

expectations• System balance requirements – I/O rates,

interconnect speed, etc.

Areas of Interest (2)

• Algorithmic and discipline collaboration• Visualization systems and services• Grid services• Mass storage • Technology assessment and evaluation

for procurements and strategic planning• Special services• Account and allocation services

The Greenbook Opportunity

• This is your opportunity to let the DOE and NERSC know what you need!

• Today’s meeting kicks off the Greenbook process– We will listen carefully and summarize

what we’ve heard and haven’t heard this afternoon

– Discussion and task assignments following