*GRAPH Example: Folded Convolution

Virtual Processor Communication Pattern:

On a 32 node CM-5, the elapsed time for convolving a 256x256 image with a 15x15 window, was 0.13 sec using the default layout, and 0.09 sec using *GRAPH's optimized layout, an improvement of 31%.

Click to view:

• Default data layout ....... *GRAPH Visualization.
• Default data layout ....... *GRAPH Communication Statistics
• Optimized data layout ... *GRAPH Visualization.
• Optimized data layout ... *GRAPH Communication Statistics.