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Process for identifying exascale applications and technology for DOE missions ensures broad community input • Town Hall Meetings April-June 2007 • Scientific Grand Challenges Workshops Nov, 2008 – Oct, 2009 • Climate Science (11/08), • High Energy Physics (12/08), • Nuclear Physics (1/09), • Fusion Energy (3/09), • Nuclear Energy (5/09), • Biology (8/09), • Material Science and Chemistry (8/09), • National Security (10/09) • Cross-cutting technologies (2/10) • Exascale Steering Committee • ―Denver‖ vendor NDA visits 8/2009 • SC09 vendor feedback meetings • Extreme Architecture and Technology Workshop 12/2009 • International Exascale Software Project • Santa Fe, NM 4/2009; Paris, France 6/2009; Tsukuba, Japan 10/2009, etc. MISSION IMPERATIVES FUNDAMENTAL SCIENCE http://science.energy.gov/ascr/news-and-resources/workshops-and-conferences/grand-challenges/ DOE CSGF HPC Workshop http://www.exascale.org/iesp/Main_Page
Holistic View of HPC Performance, Resilience, Power, Programmability Applications Programming Environment System Software Architectures • Materials • Climate • Fusion • National Security • Combustion • Nuclear Energy • Cybersecurity • Biology • High Energy Physics • Energy Storage • Photovoltaics • National Competitiveness • Usage Scenarios • Ensembles • UQ • Visualization • Analytics DOE CSGF HPC Workshop • Domain specific • Libraries • Frameworks • Templates • Domain specific languages • Patterns • Autotuners • Platform specific • Languages • Compilers • Interpreters/Scripting • Performance and Correctness Tools • Source code control • Resource Allocation • Scheduling • Security • Communication • Synchronization • Filesystems • Instrumentation • Virtualization • Processors • Multicore • Graphics Processors • FPGA • DSP • Memory and Storage • Shared (cc, scratchpad) • Distributed • RAM • Storage Class Memory • Disk • Archival • Interconnects • Infiniband • IBM Torrent • Cray Gemini, Aires • BGL/P/Q • 1/10/100 GigE
Page 1 and 2: High Performance Computing Workshop
Page 3: TOWARD EXASCALE DOE CSGF HPC Worksh
Page 7 and 8: Tianhe-1A uses 7000+ NVIDIA GPUs
Page 9 and 10: DOE CSGF HPC Workshop Source: Fujit
Page 11 and 12: DOE CSGF HPC Workshop Source: NCSA
Page 13 and 14: System attributes Notional Exascale
Page 15 and 16: Note the Uneven Impact on System Ba
Page 17 and 18: Both macro and micro energy trends
Page 19 and 20: ORNL Roadmap to Exascale 1 EF 100 P
Page 21 and 22: A more consumer-relevant trend: Dar
Page 23 and 24: • Combines • 4 x86 cores • Ar
Page 25 and 26: Many GPU-enabled systems blossoming
Page 27 and 28: NVIDIA Fermi/GF100 • 3B transisto
Page 29 and 30: Early (Co-design) Success Stories C
Page 31 and 32: Hadron Polarizability in Lattice QC
Page 33 and 34: #5: PROGRAMMING SYSTEMS DOE CSGF HP
Page 35 and 36: State of Programming Systems • Co
Page 37 and 38: Is it possible to write one applica
Page 39 and 40: A concrete example… THE RECENT QU
Page 41 and 42: • Diverse industry participation
Page 43 and 44: Kernel Execution • Total number o
Page 45 and 46: Scalable HeterOgeneous Computing (S
Page 47 and 48: Example: Sparse Matrix Vector Multi
Page 49 and 50: GFLOPS Comparing CUDA and OpenCL 25
Page 51 and 52: MOVING BEYOND EXPLICIT PROGRAMMING
Page 53 and 54: OpenMPC Approach • Use OpenMP for
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OpenMPC Compilation System • Over
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Performance of OpenMP Programs on C
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#2: MEMORY BANDWIDTH AND CAPACITY D
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• Exascale goals • Highlights f
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Critical Concern : Memory Capacity
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Memory Capacity DOE CSGF HPC Worksh
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Opportunities go far beyond a plugi
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Maestro • Portability • Load ba
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Maestro : Autotuning Workgroups DOE
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PERFORMANCE AND CORRECTNESS DOE CSG
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Vancouver: Integrated Performance A
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