Figures & data
Figure 1. Architecture of a parallel Web GIS simulation model.
Figure 2. User interface for the parameter settings.
Figure 3. User interface for a visualization of the simulation results.
Table 1. A partial list of instance types and costs for Linux operating systems on Amazon EC2. The number of cores used for EC2 is based on the virtual cores.
Table 2. Datasets for the parallel Schelling's model.
Figure 4. A diagram illustrating column-wise decomposition.
Figure 5. Parallel algorithm of the Schelling's model.
Figure 6. Visualization of moving residents.
Table 3. The technical specifications of cloud and grid computing resources tested for the GIS simulation model. The number of cores of the EC2 instances is based on the virtual cores.
Figure 7. A comparison of the turnaround (solid line) and computing (dashed line) times between grid (XSEDE) and cloud (Amazon EC2) computing. The virtual cluster for cloud computing was tested using High CPU Extra Large instances.
Table 4. A comparison of the turnaround times of grid (XSEDE) and cloud (Amazon EC2) computing. The virtual cluster for cloud computing was tested using High CPU Extra Large instances.
Figure 8. A comparison of the turnaround (solid line) and computing (dashed line) times between grid (XSEDE) and cloud (Amazon EC2) computing. The virtual cluster for cloud computing was tested using Cluster Compute instances (Quadruple Extra Large instances).
