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Show Fire Simulation Performance Analysis & Visualization Department of Chemical and Fuels Engineering Showing the initial stages of a heptane pool fire, this simulation snapshot captures some of the fine structural details of an actual fire explosion. This image shows the same heptane pool fire further into development. In order to allow for such detailed computations at a fine resolution, the problem had to be solved using 1000 processors. Here is a picture of a heptane pool fire computed at a lower resolution, so the minute details of structure are lost. The image is colored by the temperature variation in the parts of the fire, one of the many variables calculated when solving the problem. Not only do more processors allow for the computation of finer resolutions, but they can also solve a problem of the same size more quickly. Above is the near-linear graph of the time taken to solve the same problem on a variable number of processors. The taskgraph seen above is produced by a certain software package. It was run on the program used to simulate the fires, and produced this tree of the procedures taken to perform the simulation. A closer view of the head of the taskgraph tree shows the specific names of the program parts. The time taken for each part is also provided so that those taking up too much time can be further optimized to perform more quickly. Divya Ramachandran Professor Philip Smith |