PROGRAM
Days: Sunday, March 26th Monday, March 27th Tuesday, March 28th Wednesday, March 29th Thursday, March 30th
Sunday, March 26th
View this program: with abstractssession overviewtalk overview
13:30-16:00 Session 2: Tutorial
Location: Bighorn C-1
13:30 | Algebraic Multigrid and Advanced Topics ( abstract ) |
19:00-21:00 Session : Registration and Reception, Cash Bar and Light Buffet
Location: Copper Conference Center
Monday, March 27th
View this program: with abstractssession overviewtalk overview
07:30-08:30Breakfast Buffet
08:00-10:05 Session 4: Multilevel Method Performance
Chair:
Location: Bighorn C
08:00 | Reducing Communication Costs in Sparse Matrix-Vector Multiplication ( abstract ) |
08:25 | OPTIMIZING COMMUNICATIONS IN MULTI-GRID METHODS USING GPUDIRECT ASYNC ( abstract ) |
08:50 | Studying Convergence of Nested Iteration with Range Decomposition ( abstract ) |
09:15 | Multigrid on heterogeneous systems ( abstract ) |
09:40 | Finite Element Based Multigrid at Scale ( abstract ) |
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 5: Performance Modeling - In honor of Hormozd Gahvari
Chair:
Location: Bighorn C
10:25 | A Performance Model for Allocating the Parallelism in a Multigrid-in-Time Solver ( abstract ) |
10:50 | The Role of Performance Modeling for Numerical Algorithms ( abstract ) |
11:15 | Understanding Complexity of Evolving High Performance Computing Systems to Predict Performance ( abstract ) |
11:40 | Is the Pingpong Communication Model Still Relevant? ( abstract ) |
12:05 | Preparing Robust Structured Multigrid for Exascale ( abstract ) |
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-18:35 Session 6: Algebraic Multigrid
Chair:
Location: Bighorn C
16:30 | Distance Laplacians and Algebraic Multigrid ( abstract ) |
16:55 | Reduction-based Algebraic Multigrid for Upwind Discretizations ( abstract ) |
17:20 | Robust AMG interpolation with target vectors ( abstract ) |
17:45 | Optimal Interpolation in Algebraic Multigrid Methods ( abstract ) |
18:10 | Performance Analysis of SA-AMG Solver with Additional Near-Kernel Vectors at Coarser Levels ( abstract ) |
Tuesday, March 28th
View this program: with abstractssession overviewtalk overview
07:30-08:30Breakfast Buffet
08:00-10:05 Session 7A: Emerging Architectures
Chair:
Location: Bighorn C
08:00 | Multigrid preconditioning for matrix-free operators ( abstract ) |
08:25 | Explicit Vectorization for Algebraic Multigrid Methods ( abstract ) |
08:50 | Implementing an efficient distributed H-matrix direct LLt solver using a hybrid MPI/task-based programming model ( abstract ) |
09:15 | Kokkos and Legion Implementations of the SNAP Proxy Application ( abstract ) |
09:40 | FleCSI: Flexible Computational Infrastructure ( abstract ) |
08:00-10:05 Session 7B: Saddle Point Problems / PDE Systems
Chair:
Location: Bighorn B
08:00 | Local Fourier analysis of Braess-Sarazin relaxation for the Stokes equations ( abstract ) |
08:25 | Weakly imposed symmetry and robust preconditioners for Biot's consolidation model ( abstract ) |
08:50 | Multigrid reduction framework for PDE systems ( abstract ) |
09:15 | Multigrid smoothers for the Stokes problem ( abstract ) |
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 8A: Parallel Time Integration, Part 1 of 2
Chair:
Location: Bighorn C
10:25 | Multigrid Reduction in Time with Space-Time Adaptivity ( abstract ) |
10:50 | A multigrid perspective on the parallel full approximation scheme in space and time ( abstract ) |
11:15 | SPH-REXI: An efficient parallel-in-time solver with application in ocean and atmospheric simulations on the sphere ( abstract ) |
11:40 | Extending the flexibility of XBraid to implement various space-time parallel multigrid methods ( abstract ) |
12:05 | An iterative approach for time-parallel time integration based on discontinuous Galerkin methods ( abstract ) |
10:25-12:30 Session 8B: Applications, Part 1 of 2
Chair:
Location: Bighorn B
10:25 | MULTIGRID BLOCK PRECONDITIONING FOR THE LOW-MACH COMPRESSIBLE NAVIER-STOKES EQUATIONS WITH LASER-INDUCED PHASE CHANGE ( abstract ) |
10:50 | Scalable Solution Strategies for Stabilized Finite-Element Flow Solvers on Unstructured Meshes ( abstract ) |
11:15 | An algebraic multigrid solver for multiphase flow in porous media with phase transitions ( abstract ) |
11:40 | Fluidity-Based, Newton-FOSLS Approach to Stokes Flow for Ice Sheets with Basal Sliding ( abstract ) |
12:05 | Parallel Adaptive and Robust Multigrid ( abstract ) |
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-18:35 Session 9A: Stochastic and High Dimensional problems
Chair:
Location: Bighorn C
16:30 | Robust optimization of PDE constrained systems using a multilevel Monte Carlo method ( abstract ) |
16:55 | Scalable Hierarchical Sampling of Gaussian Random Fields for Large-Scale Multilevel Monte Carlo Simulations ( abstract ) |
17:20 | Multilevel Posterior Mean Estimation for Uncertainty Quantification in Subsurface Flow ( abstract ) |
17:45 | Algebraic multigrid support vector machines ( abstract ) |
16:30-18:35 Session 9B: Applications, Part 2 of 2
Chair:
Location: Bighorn B
16:30 | Multigrid preconditioning techniques for geophysical electromagnetics ( abstract ) |
16:55 | Shifted Laplacian Multigrid for the Elastic Helmholtz Equation ( abstract ) |
17:20 | A partitioned method for explicit elastodynamics based on a generalized dual Schur complement ( abstract ) |
17:45 | Seggregated smoothers in the multigrid treatment of poroelasticity system ( abstract ) |
18:10 | Multigrid Methods for Regularized Problems ( abstract ) |
Wednesday, March 29th
View this program: with abstractssession overviewtalk overview
07:30-08:30Breakfast Buffet
08:00-10:05 Session 11A: Geometric Multigrid
Chair:
Location: Bighorn C
08:00 | Multigrid methods for isogeometric Navier-Stokes discretizations ( abstract ) |
08:25 | Geometric Multigrid for Graphene ( abstract ) |
08:50 | A Geometric Multigrid Preconditioning Strategy for DPG System Matrices ( abstract ) |
09:15 | A Robust Multigrid Solver for Highly Anisotropic and Singular Elliptic Problems on Spheres ( abstract ) |
09:40 | Geometric Multigrid with Operator-Dependent Coarse Spaces ( abstract ) |
08:00-10:05 Session 11B: Graph problems
Chair:
Location: Bighorn B
08:00 | A Parallel Solver for Graph Laplacians ( abstract ) |
08:25 | An algebraic multigrid approach to scalable graphs for multiscale modeling ( abstract ) |
08:50 | Solving Graph Laplacian Systems Through Recursive Partitioning and Two-Grid Preconditioning ( abstract ) |
09:15 | Spectral Coarsening for Graph Laplacian Problems ( abstract ) |
09:40 | Spectral clustering of signed graphs with algebraic multigrid preconditioning ( abstract ) |
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 12A: Parallel Time Integration, Part 2 of 2
Chair:
Location: Bighorn C
10:25 | A parallel-in-time algorithm for variable stepsize multistep methods applied to DAEs ( abstract ) |
10:50 | Multigrid waveform relaxation for solving the time-fractional heat equation ( abstract ) |
11:15 | Algebraic multigrid methods for an adaptive space-time finite element discretization ( abstract ) |
11:40 | Towards a Parallel-in-Time Multigrid Solver for Fluid-Structure Interaction Problems ( abstract ) |
10:25-12:30 Session 12B: Structured Methods & Multiphysics Problems
Chair:
Location: Bighorn B
10:25 | Hybrid Multigrid Methods for Nearly Structured Meshes ( abstract ) |
10:50 | MueLu - a multigrid framework for multiphysics preconditioners ( abstract ) |
11:15 | A class of parallel hybrid algorithms based on field-splitting, AMG and ASM in MOOSE ( abstract ) |
12:30-16:00Lunch Break
16:00-16:30Coffee and Tea Break
16:30-18:35 Session 13: Student Paper Competition
Chair:
Location: Bighorn C
16:30 | Monolithic Multigrid Method for the Coupled Stokes Flow and Deformable Porous Medium System ( abstract ) |
16:55 | Multigrid Reduction in Time with Adaptive Spatial Coarsening for the Linear Advection Equation ( abstract ) |
17:20 | Algebraic Multigrid for Directed Graph Laplacian Linear Systems (NS-LAMG) ( abstract ) |
18:15-21:00 Session : Banquet with cash bar at Copper Conference Center
Location: Copper Conference Center
Thursday, March 30th
View this program: with abstractssession overviewtalk overview
07:30-08:30Breakfast Buffet
08:00-10:05 Session 14: Discretizations
Chair:
Location: Bighorn C
08:00 | A Robust Overlapping Domain Decomposition Method for a New Hybridizable Mixed Discretization of Linear Elasticity ( abstract ) |
08:25 | An efficient prewavelet approach for the solution of second order elliptic differential equations with variable coefficient on sparse grids ( abstract ) |
08:50 | A Mixed-Method B-Field Finite-Element Formulation for Incompressible, Resistive Magnetohydrodynamics ( abstract ) |
09:15 | Towards a More Algebraic hp-Multigrid ( abstract ) |
09:40 | Comparison of LL* and Inverse LL* Least-Squares Finite Element Methods for Hyperbolic Problems ( abstract ) |
10:05-10:25Coffee and Tea Break
10:25-12:30 Session 15: Multigrid
Chair:
Location: Bighorn C
10:25 | Nonlinear Multigrid Method Applied to Thermal Radiative Transfer ( abstract ) |
10:50 | On nonlinear adaptivity with heterogeneity ( abstract ) |
11:15 | Algebraic Multilevel Methods for Computing Diffusion-Based Metrics on Graphs ( abstract ) |
11:40 | Parallel geometric multigrid for high order discontinuous Galerkin methods ( abstract ) |