Hybrid MPI|thread parallelization of adaptive mesh operations

Developing Hybrid OpenMP/MPI Parallelism for Fluidity-ICOM

In order to further develop Fluidity-ICOM (build upon finite element methods and anisotropic unstructured adaptive meshing) to run efficiently on ...

Parallel Execution in Abaqus/Standard

This type of parallelization is defined as a hybrid parallelization of MPI and threads. ... Adaptive meshing (Defining ALE Adaptive Mesh Domains in Abaqus ...

PeleC: An Adaptive Mesh Refinement Solver for Compressible ...

hybrid model, PeleC operations were adapted to a framework more explicitly aware of work distribution. This effort specifically focused on an MPI+OpenMP model.

Physics-motivated cell-octree adaptive mesh refinement in ... - GMD

The simulation uses OpenMP for threading and the Message Passing Interface (MPI) for task parallelism, with load balancing handled via the ...

A Hybrid Parallel Delaunay Image-to-Mesh Conversion Algorithm ...

A more detailed review of many more methods appears in [34]. Ibanez et al. [35] proposed a hybrid MPI-thread parallelization of adaptive mesh operations. They ...

Sierpinski Curves for Parallel Adaptive Mesh Refinement in Finite ...

sections per core, performance for pure OpenMP, pure MPI and hybrid execution is mostly similar. MPI performs a bit worse, which is more visible with eight ...

Exploiting multi-core processors for scientific applications using ...

a 3D Red-Black Smoother) that use the hybrid MPI-OpenMP programming model. ... CASE 1: Developing hybrid MPI/OpenMP parallelism for next generation ocean ...

p4est: Scalable Algorithms for Parallel Adaptive Mesh Refinement

The latter two have been scaled to 1.57 and 3.14 million MPI ranks on Sequoia and Mira, respectively. p4est has been the meshing code demonstrated in ACM Gordon ...

adaptive mesh refinement on graphics processing units for ...

GPUs belong to the class of Single Instruction Multiple Data (SIMD) parallel architectures. For SIMD devices, a group of threads execute the same instruction on ...

Parallel Structured Adaptive Mesh Refinement - SpringerLink

... parallelization granularity using a hybrid MPI/OpenMP programming model. ... adaptive mesh refinement, Parallel Processing Letters 15 (2005) 37–47. Article ...

Dual-level parallelism for high-order CFD methods - Purdue Math

A hybrid two-level parallel paradigm with MPI/OpenMP is presented in the context of high-order methods and implemented in the spectral/hp element framework ...

AMReX: Block-structured adaptive mesh refinement for multiphysics ...

... MPI performance, and advanced parallel programming techniques. Ann ... adaptive mesh codes that are designed for the latest hybrid architectures.

Parallel Software Abstractions for Structured Adaptive Mesh Methods

of execution times at the highest levels of the adaptive grid hierarchy. ... operating system message routines (e.g. MPI). We are currently building a ...

Introduction to Block-Structured Adaptive Mesh Refinement (AMR)

Single-level operations. Fill a patch with data from same-level ... Hybrid: MPI + OpenMP. – Size of grids depends on memory usage, parallelization strategy.

Parallel Adaptive Mesh Refinement for High-Order Finite-Volume ...

In order to leverage large-scale computational resources common today, the methods are parallelized using MPI. Parallel performance is con- sidered for several ...

A New Hybrid Approach to Parallel Programming with MPI Plus ...

First, POSIX shared-memory allocation is not. Page 3. MPI Plus MPI. 3 a collective operation. One process creates a region of memory and allows other processes ...

p4est: Scalable Algorithms for Parallel Adaptive Mesh Refinement ...

We present scalable algorithms for parallel adaptive mesh refinement and coarsening (AMR), partitioning, and 2:1 balancing on computational domains composed ...

The scalability of parallel adaptive mesh refinement within Uintah

How- ever, more recently applications, like Carpet [87], have begun using hybrid threaded-. MPI approaches where MPI is utilized between nodes and threading is ...

Parallelization of Unsteady Adaptive Mesh Refinement for ...

This paper explores the implementation of MPI parallelization in an unstructured ... during adaptation operations. ParMETIS is the cost for building the ...

Performance Modeling of Communication and Computation ... - CDN

with mpi, openmp, and hybrid mpi-openmp programming models. In IEEE Nuclear ... namic power balancing in adaptive mesh refinement appli- cations. In ...