Integrated visualization of parallel program performance data
Parallel Computing - Special double issue on environment and tools for parallel scientific computing
Debugging with the MAD environment
Parallel Computing - Special double issue on environment and tools for parallel scientific computing
Visual debugging of visualization software: a case study for particle systems
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
Case study: visual debugging of cluster hardware
Proceedings of the conference on Visualization '01
Visual Programming and Debugging for Parallel Computing
IEEE Parallel & Distributed Technology: Systems & Technology
On-the-Fly Visualization and Debugging of Parallel Programs
MASCOTS '94 Proceedings of the Second International Workshop on Modeling, Analysis, and Simulation On Computer and Telecommunication Systems
A Visualization Tool for Analyzing Cluster Performance Data
CLUSTER '01 Proceedings of the 3rd IEEE International Conference on Cluster Computing
IEEE Computer Graphics and Applications
Visualization of Salt-Induced Stress Perturbations
VIS '04 Proceedings of the conference on Visualization '04
Visualization of Geologic Stress Perturbations Using Mohr Diagrams
IEEE Transactions on Visualization and Computer Graphics
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We present an innovative application developed at Sandia National Laboratories for visual debugging of unstructured finite element physics codes. Our tool automatically locates anomalous regions, such as inverted elements or nodes whose variable values lie outside a prescribed range, then extracts mesh subsets around these features for detailed examination. The subsets are viewed using color coding of variable values superimposed on the mesh structure. This allows the values and their relative spatial locations within the mesh to be correlated at a glance. Both topological irregularities and hot spots within the data stand out visually, allowing the user to explore the exact numeric values of the grid at surrounding points over time. We demonstrate the utility of this approach by debugging a cell inversion in a simulation of an exploding wire.