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- research-articleJune 2017
Load Balancing and Patch-Based Parallel Adaptive Mesh Refinement for Tsunami Simulation on Heterogeneous Platforms Using Xeon Phi Coprocessors
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 12, Pages 1–12https://doi.org/10.1145/3093172.3093237We present a patch-based approach for tsunami simulation with parallel adaptive mesh refinement on the Salomon supercomputer. The special architecture of Salomon, with two Intel Xeon CPUs (Haswell architecture) and two Intel Xeon Phi coprocessors (...
- research-articleJune 2017
Fast and Scalable Low-Order Implicit Unstructured Finite-Element Solver for Earth's Crust Deformation Problem
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 11, Pages 1–10https://doi.org/10.1145/3093172.3093236A low-order implicit unstructured finite-element solver for Earth's crust deformation problem is proposed. The solver scales up to 294,912 CPU cores of K computer with 94.8% size-up efficiency, enabling solving a 504 billion degrees-of-freedom crust ...
- research-articleJune 2017
Parallelized Dimensional Decomposition for Large-Scale Dynamic Stochastic Economic Models
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 9, Pages 1–11https://doi.org/10.1145/3093172.3093234We introduce and deploy a generic, highly scalable computational method to solve high-dimensional dynamic stochastic economic models on high-performance computing platforms. Within an MPI---TBB parallel, nonlinear time iteration framework, we ...
- research-articleJune 2017
Pareto Optimal Swimmers
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 7, Pages 1–11https://doi.org/10.1145/3093172.3093232A fundamental understanding of how various biological traits and features provide organisms with a competitive advantage can help us improve the design of a number of mechanical systems. Numerical optimization can play an invaluable role for this ...
- research-articleJune 2017
Scheduling Finite Difference Approximations for DAG-Modeled Large Scale Applications
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 6, Pages 1–12https://doi.org/10.1145/3093172.3093231An increasing number of scientific domains are confronted with the arduous task of managing large scale applications. For such applications, gradient estimations come at a large computational cost. Despite notable advances in automatic differentiation ...
- research-articleJune 2017
Increasing the Efficiency of Sparse Matrix-Matrix Multiplication with a 2.5D Algorithm and One-Sided MPI
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 3, Pages 1–9https://doi.org/10.1145/3093172.3093228Matrix-matrix multiplication is a basic operation in linear algebra and an essential building block for a wide range of algorithms in various scientific fields. Theory and implementation for the dense, square matrix case are well-developed. If matrices ...
- research-articleJune 2017
A Computational Framework to Assess the Influence of Changes in Vascular Geometry on Blood Flow
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 2, Pages 1–8https://doi.org/10.1145/3093172.3093227Many vascular abnormalities, such as aneurysms or stenoses, develop gradually over time. In the early stages of their development, they require monitoring but do not pose sufficient risk to the patient for a clinician to recommend invasive treatment. ...
- research-articleJune 2017
Towards the Virtual Rheometer: High Performance Computing for the Red Blood Cell Microstructure
- Athena Economides,
- Lucas Amoudruz,
- Sergey Litvinov,
- Dmitry Alexeev,
- Sara Nizzero,
- Panagiotis E. Hadjidoukas,
- Diego Rossinelli,
- Petros Koumoutsakos
PASC '17: Proceedings of the Platform for Advanced Scientific Computing ConferenceArticle No.: 1, Pages 1–13https://doi.org/10.1145/3093172.3093226Recent advances in medical research and bio-engineering have led to the development of devices capable of handling fluids and biological matter at the microscale. The operating conditions of medical devices are constrained to ensure that characteristic ...