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The goal of Advanced Computational Testing and Simulation Toolkit (ACTS) within the DoE2000 program is to integrate numerical, parallel, object and runtime libraries such as PETSc, POOMA, PAWS, Cumulvs and others.
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FY'98 solicitation calls for extensions of ACTS to enable multi-language support and to enhance portability, functionality and interoperability of the object subsystems under development.
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We observe that the current stage of the ACTS evolution can be viewed as moving form the specialized object to reusable component based programming.
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We also note that a similar transition from object-oriented to visual components is already well advanced for PC desktop applications and is now being extended to the enterprise (hence naturally distributed) computing for the intranets and the Internet.
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