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SymGrid: Symbolic Computations on Grids. Kevin Hammond , University of St Andrews, UK Phil Trinder , Heriot-Watt University, UK Abdallah Al Zain , Heriot-Watt University, UK Dana Petcu , IeAT, Timisoara, Romania. Research Objectives. Produce a portable framework (SymGrid) that will
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SymGrid: Symbolic Computations on Grids Kevin Hammond, University of St Andrews, UK Phil Trinder, Heriot-Watt University, UK Abdallah Al Zain, Heriot-Watt University, UK Dana Petcu, IeAT, Timisoara, Romania
Research Objectives • Producea portable framework (SymGrid) that will • Allow symbolic computations to access Grid services • Allow symbolic components to be exploited as part of larger Grid service applications on a computational Grid • Developresource brokers that will support the irregular workload and computation structures that are frequently found in symbolic computations • Implementa series of applications that will demonstrate the capabilities and limitations of Grid computing for symbolic computations SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
CA Systems CA Systems (multiple engines) Gap Maple MuPad Kant ... SymGrid Design Web/CA User Interface (UI) Direct SymGrid-Par Interface SymGrid-Services Middleware to CA interface (MCA/CAM) SymGrid-Par Grid to CA interface (GCA/CAG) SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
Access to Grid Services: SymGrid-Services • Develop middleware (SymGrid-Services) to allow generic access to symbolic Grid services, as part of SymGrid. • Provide service discovery for symbolic Grid components. • At the lower level, SymGrid will integrate with and build on existing Grid middleware, including at least Globus. • Higher-level system interfaces will be defined to allow straightforward SymGrid access from within symbolic systems. • Designed in association with the providers of the Maple, GAP, MuPAD and Kant systems in order to meet the generic requirements of symbolic system providers. • Standardisation allows ready combination of multiple CA systems, e.g. combining GAP and Maple capabilities. SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
Grid Parallel Evaluation of Symbolic Computations: SymGrid-Par • Develop new SymGrid middleware to enable large CA problems to be executed on computational Grids, specifically CAG & GCA interfaces: Computer Algebra System CAG GpH GCA … CA Instance CA Instance CA Instance SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
SymGrid-Par Design • Core of CAG is a set of CA specific algorithmic skeletons, • i.e. hof’s encapsulating common patterns of parallel coordination • e.g. map, fold, mapreduce, … • GCA enables GpH to invoke CA functions • Both encode mathematical objects using the XML-based OpenMath standard • Support the combination of multiple CA systems • CAG/GCA Design detailed in [PAPP’07] SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
Initial Objectives • Link Computer Algebra Systems to Middleware • Develop generic programming interfaces • CA systems to middleware • Middleware to CA Systems • Develop user interfaces (UIs) for each CA system • Design data interchange format • OpenMath/MathML • Identify generic needs of CA Systems • what must the middleware provide? • Identify and build CA exemplars • good distribution • interesting computation patterns • combination of different CA systems SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University
Current Status • Prototype SymGrid-Par system implemented (HWU/SA) • Builds on existing GRID-GUM, a GRID enabled runtime environment on Haskell • Now porting to latest Haskell compiler. • Design work on SymGrid-Services (IeAT) • now in implementation SymGrid: Symbolic Computations on Grids. Abdallah Al Zain Heriot-Watt University