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Parallel Sparse Direct Solver

A NUMA Aware Scheduler for a Parallel Sparse Direct Solver

A NUMA Aware Scheduler for a Parallel Sparse Direct Solver

... years, parallel sparse direct solvers have made significant progress [1, 4, 6, ...performance sparse direct ...and parallel incomplete factorization based on preconditioners for ...

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Some Experiments and Issues to Exploit Multicore Parallelism in a Distributed-Memory Parallel Sparse Direct Solver

Some Experiments and Issues to Exploit Multicore Parallelism in a Distributed-Memory Parallel Sparse Direct Solver

... Massively Parallel sparse direct Solver) [3, 5] is a parallelized sparse matrix solver which is widely used by many research and commercial groups around the ...multithreaded ...

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A NUMA Aware Scheduler for a Parallel Sparse Direct Solver

A NUMA Aware Scheduler for a Parallel Sparse Direct Solver

... years, parallel sparse direct solvers have made significant progress [1, 3, ...a direct solver that is well suited for SMP nodes or modern multi-core ...PaStiX solver on ...

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Efficient 3D frequency-domain full-waveform inversion of ocean-bottom cable data with sparse block low-rank direct solver: a real data case study from the North Sea

Efficient 3D frequency-domain full-waveform inversion of ocean-bottom cable data with sparse block low-rank direct solver: a real data case study from the North Sea

... METHOD A conventional data-domain frequency-domain FWI is per- formed by iterative minimization of the least-squares misfit be- tween the recorded and modeled pressure data. A multiscale FWI proceeds successively from ...

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A Parallel Full Geometric Multigrid Solver for Time Harmonic Maxwell Problems

A Parallel Full Geometric Multigrid Solver for Time Harmonic Maxwell Problems

... scalable parallel simulation codes for complex phenomena is challeng- ...a parallel geometric full multigrid scheme where only a coarse mesh, tied to geometry, has to be supplied by an external mesh ...in ...

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Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver

Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver

... of direct solvers to 3-D problems has traditionally been consid- ered computationally too ...in sparse matrix-factorization packages, for example, MUMPS (Amestoy et ...ern parallel computing ...

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Sparse direct solvers with accelerators over DAG runtimes

Sparse direct solvers with accelerators over DAG runtimes

... formance parallel direct solver for very large sparse linear ...overhead. Direct methods are numerically robust methods, but very large three dimensional problems may require a large ...

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Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver

Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver

... of direct solvers to 3-D problems has traditionally been consid- ered computationally too ...in sparse matrix-factorization packages, for example, MUMPS (Amestoy et ...ern parallel computing ...

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Exploiting a Parametrized Task Graph model for the parallelization of a sparse direct multifrontal solver

Exploiting a Parametrized Task Graph model for the parallelization of a sparse direct multifrontal solver

... 2.1 Parallel programming models for task-based algorithms The most common strategy for the parallelization of task-based algorithms con- sists in traversing the DAG sequentially and submit the tasks, as ...

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Hierarchical hybrid sparse linear solver for multicore platforms

Hierarchical hybrid sparse linear solver for multicore platforms

... pure direct method if no dropping is performed, and whereas Hips may expect robustness by relying on a multilevel scheme, additive Schwarz preconditioners are extremely ...more parallel (and scalable), but ...

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On the resilience of parallel sparse hybrid solvers

On the resilience of parallel sparse hybrid solvers

... featured parallel sparse hybrid (direct/iterative) linear solver, MAPHYS 1 [12], and we propose numerical remedies to design a resilient version of the ...The solver being hybrid, we ...

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3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver

3D frequency-domain seismic modeling with a Parallel BLR multifrontal direct solver

... a sparse impedance matrix, whose coefficients depend on frequency and subsurface properties ...a sparse direct solver based on the multifrontal method (Duff and Reid, ...

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Dynamic Scheduling for sparse direct Solver on NUMA architectures

Dynamic Scheduling for sparse direct Solver on NUMA architectures

... the parallel blockwise algorithmic approach used in the framework of high performance sparse direct solvers in order to develop robust parallel incomplete factorization based preconditioners ...

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Using Random Butterfly Transformations to Avoid Pivoting in Sparse Direct Methods

Using Random Butterfly Transformations to Avoid Pivoting in Sparse Direct Methods

... in Sparse Direct Methods 5 steps of iterative refinement can recover the digits that have been ...distributed solver [4] combined with a runtime system ...

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Adjoint computations by algorithmic differentiation of a parallel solver for time-dependent PDEs

Adjoint computations by algorithmic differentiation of a parallel solver for time-dependent PDEs

... (CFD) solver that integrates the governing equations for compressible fluid ...a solver for aerodynamics applications developed to suit the future needs of the aerospace ...

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Adjoint computations by algorithmic differentiation of a parallel solver for time-dependent PDEs

Adjoint computations by algorithmic differentiation of a parallel solver for time-dependent PDEs

... (CFD) solver that integrates the governing equations for compressible fluid ...a solver for aerodynamics applications developed to suit the future needs of the aerospace ...

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High Performance Parallel Algorithms for the Tucker Decomposition of Sparse Tensors

High Performance Parallel Algorithms for the Tucker Decomposition of Sparse Tensors

... the parallel CP-ALS algo- rithm, and proposed a hypergraph model for representing the computational and communication requirements of the parallel ...Fine-grain parallel HOOI: Coarse-grain approach ...

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Hybrid CUDA-OpenMP parallel implementation of a deterministic solver for ultra-short DG-MOSFETs

Hybrid CUDA-OpenMP parallel implementation of a deterministic solver for ultra-short DG-MOSFETs

... deterministic solver for the Boltzmann-Schr¨ odinger-Poisson system of equations which exhibits several important advantages in comparison with Monte-Carlo Solvers [ Mantas ...

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3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solver

3D frequency-domain seismic modeling with a Block Low-Rank algebraic multifrontal direct solver

... algebraic sparse direct solver for frequency-domain seis- mic ...BLR solver and a sensitivity analysis of FWI to the BLR approximation before application of visco- acoustic FWI on wide-azimuth ...

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Reducing elimination tree height for parallel LU factorization of sparse unsymmetric matrices

Reducing elimination tree height for parallel LU factorization of sparse unsymmetric matrices

... suitable parallel LU factorization schemes under a fairly standard PRAM model (assuming unit size computations, infinite number of processors, and no memory/communication or scheduling ...

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