Searching for authors named "Nikos Chrisochoides" – sorted by Relevance.
46 documents found, showing 1 through 10.
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Multithreaded approach for dynamic load balancing of parallel adaptive PDE computations
- …We present a multithreaded model for the dynamic load-balancing of parallel adaptive PDE computations. Multithreading is used as a means of exploring concurrency in the processor level and for tolerating: (i) long memory latencies, and (ii) synchronization costs inherent to traditional load-balancin…
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Parallel mesh generation
- …Parallel mesh generation is a relatively new research area between the boundaries of two scientific computing disciplines: computational geometry and parallel computing. In this chapter we present a survey of parallel unstructured mesh generation methods. Parallel mesh generation methods decompose t…
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New Approach to Parallel Mesh Generation and Partitioning Problem
- …In this chapter, we present a new approach for parallel generation and partitioning of 3-dimensional unstructured meshes. The new approach couples the mesh generation and partitioning problems into a single optimization problem. Traditionally these two problems are solved separately with I/O and dat…
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Multithreaded model for dynamic load balancing parallel adaptive PDE computations
- …We present a multithreaded model for the dynamic load-balancing of numerical, adaptive computations required for the solution of Partial Differential Equations (PDEs) on multiprocessors. Multithreading is used as a means of exploring concurrency in the processor level in order to tolerate synchroniz…
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processors
- …This work was partially supported by NSF grants ITR-0312980, NGS-0203974,…
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Practical Performance Model For Optimizing Dynamic Load Balancing of Adaptive Applications ∗
- …Optimizing the performance of dynamic load balancing toolkits and applications requires the adjustment of several runtime parameters; however, determining sufficiently good values for these parameters through repeated experimentation can be an expensive and prohibitive process. We describe an analyt…
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GRADED DELAUNAY DECOUPLING METHOD FOR PARALLEL GUARANTEED QUALITY PLANAR MESH GENERATION
- …Abstract. We present a method for creating large 2D graded, guaranteed quality, Delaunay meshes on parallel machines. The method decouples the mesh generation procedure for each subdomain, and thus eliminates the communication between processors, while the final mesh is of guaranteed quality. This w…
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A Static Geometric Medial Axis Domain Decomposition in 2D Euclidean Space
- …We present a geometric domain decomposition method and its implementation, which produces good domain decompositions in terms of three basic criteria: (1) The boundary of the subdomains create good angles, i.e., angles no smaller than a given tolerance Φ0, where the value of Φ0 is determined by the …
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One-Sided Communication Over MPI-1
- …MPI-1 has been accepted as the standard parallel messaging substrate. However, as parallel applications become more complex and communication patterns more difficult to predict, there is a dire need for one-sided communication that allows asynchronous message passing. In this paper we present a one-…
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Simultaneous Mesh Generation and Partitioning for Delaunay Meshes
- …. In this paper, we present a new approach for the parallel generation and partitioning of unstructured 3D Delaunay meshes. The new approach couples the mesh generation and partitioning problems into a single optimization problem. Traditionally, these two problems are solved separately, rst generati…
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