Alternative Processor PanelRobert Singleterry: NASAs Space Radiation Problem and FPGA ExperienceWu Feng: Performance Evaluation of Biological Codes on Cell and GPGPURichard Walsh: Larrabee Microarchitecture and Programming Potential OverviewAndrew Jones: Data Parallel or General Purpose Support and their EnvironmentsJohn Gustafson: Alternative Processors and What is Really Needed

NASAs Space Radiation Problem and our Experience with Alternative ProcessorsRobert C. Singleterry Jr.NASA Langley Research CenterHPC Users ForumTucson, AZ (GO Wildcats)10-September-2009

What does Space Radiation Do

Code DetailsBoundary ConditionsPhysics DataGeometry(most complex)TransportInterpolationRay-by-rayMonte CarloFinite Elements/SNResponse FunctionsDose

Dose EquivalentEffective Dose% REID

LET

ETC

Transport CodesInterpolationSerial can be vectorizedRay-by-rayCoarse parallel by ray with each ray vectorizedMonte CarloInherently parallel should be anywayCluster and vectorFinite Elements/SNSpace/energy/angle decomposition for clusterOriginally SN was vectorized

Viva and FPGAAfter this, NASA stop supportingthis work at my level