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How to build memory management for wired/wireless nets (Part 2)

Posted: 15 Jul 2010     Print Version  Bookmark and Share

Keywords:memory management  wired/wireless networks  embedded systems 

To evaluate the performance of the proposed variable-size memory pool scheme described in Part 1 in this series—particularly as it compares with fixed-sized pools—we used discrete-event simulation to generate random requests to the memory pool.

The requests are generated in accordance with a Poisson process with a given rate. The request size is also randomly chosen from a specified range of values. The requested buffer is held for a random period of time and then released.

The simulation is run until 1 million requests are generated in each scenario. We execute multiple experiments to assess the performance of the schemes in different scenarios comprised of different loading and different request patterns and pool configurations in terms of number of partitions and partition size for the variable size pools and the number of buffer and maximum size for the fixed-size pools.

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