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Customized Network Design for Enhanced Performance and Space Exploration

Explore innovative computer architectures for low-latency interconnection networks and high-performance chip design. Research optical data transmission and microoptical system interconnects. Develop advanced Optoelectronics and ATOLL network interface for SANs. Customize network parameters and introduce computing in the network to optimize performance and cost.

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Customized Network Design for Enhanced Performance and Space Exploration

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  1. FutureDAQ Kick-off Network Design Space Exploration and Analysis Computer Architecture Group Prof. Brüning Patrick R. Haspel haspel@uni-mannheim.de Computer Architecture Group University of Mannheim, Germany

  2. Research & Projects • Actual projects • ATOLL: Networkinterface for SANs • OASE: Optical Datatransmission • Research Areas (Computer Architecture) • Parallel- and Cluster computing using innovative Computer Architectures • low latency Interconnection Networks • high performance chip design using leading edge EDA Tools (proven cell based design flow) • Research Areas • (Optoelectronics, Prof. Brenner) • Microoptical System Interconnects for digital communication (board to board, chip to chip) • 3D Microintegration of optical components • Actual projects • OASE: Optical Data Transmission • Blue DVD lens for Laser beam shaping • Microoptical components fabrication

  3. ATOLL – System Area Interconnect • ATOLL • Extreme low-latency network (currently fastest worldwide) • Distributed switching resource (X-Bar) -> massively scalable • Arbitrary network topology

  4. ATOLL2d Torus Topology Example Node with an ATOLL NIC All topologies fitting to the 4 interconnects are supported ...

  5. NIC NIC NIC ATOLLTree Topology Example

  6. ATOLL-ASICBasic Architecture Reliable links 2 GByte Bisection bandwidth ~80ns 4,5 Mio transistors Cell based design (>1 Mio gates) 0.18µm CMOS process 5,7 x 5,7 mm Chip Fastest and Second Biggest Chip Design of a European University

  7. Optimization for Performance and Cost

  8. OASE Architecture • OASE integrated optical interconnect (1x, 4x, 8x, Nx) Patent pending

  9. Custom Network @ CBM • Advantages of a customized interconnection network – Using full network design space by: • Network tuning – Application optimized network parameter (Latency/Bandwidth/Topology) • Adopting network interface to simplify front-end electronic (physical/protocol level) • Expanding network function (data transport -> data manipulation) • Introducing computing in the network (CPU on network interface)

  10. Customization process • System level evaluation and simulation (architecture and behaviour level) • SystemC – development suite using C/C++/SystemC based models • Building Block Modelling • Message Passing protocol specification - Transport Packet Design • Networkanalysis and Interfacedesign • platform development for software development (HW/SW cosimulation) • optional CoWare simulation and analysis environment for advanced debugging

  11. Proposal for CBM • Let the network sort your packets • Let the network manage load balancing • Regarding node utilization (automatic target selection) • Regarding network congestion (dynamic routing) • Use programmable packet engine on the network interface to do arbitrary data manipulations • Computing in the network (data is manipulated travelling through the network)

  12. Thank you!

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