XSEDE/PRACE Workflow Workshop

SCEC research scientist Scott Callaghan was invited to present an introduction to scientific workflow technology at an NSF and PRACE sponsored workshop in Duplin Ireland in June 2012.

SCEC Workflow Tutorial

• Introduction to Workflows - Callaghan

Meeting Web Site

• PRACE/XSEDE HPC Summer School

HPC Providers

• European PRACE
• NSF XSEDE

Characteristics of a Workflow System

Most workflow systems will provide the following capabilities.

1. Format for expressing program execution order and data dependencies.
2. Job scheduler that automates the orderly execution of the programs.
3. File and metadata management to track files in system.
4. Support for distributed processing across multiple computing resources.