Performance Evaluation of Memory Mapped Files With Data Mining Algorithms

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Executive Summary

The concept of memory mapped files is widely supported by most of the modern operating systems. A study is carried out with computationally intensive applications such as data mining, to see the benefit of this concept over the conventional file I/O which calls standard library function fread(). Experiments are carried out in memory mapping with both simulated and real data. The observations indicated that the memory mapping based versions taking less CPU time compared to fread() based ones.

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