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Performance tuning is an ongoing activity at most HPC sites. Small performance improvements can save thousands of dollars. Run-to-run performance variations significantly impact performance tuning. Not being able to tell which code version is faster (or more energy efficient) in a single run greatly increases the computational expense and uncertainty for theprogrammer. We will show examples where...
The advantages and the flexibility introduced into the hardware implementation by partial dynamic reconfiguration have rapidly changed the design flow of embedded systems. Configuration management is an important issue in operating system for dynamically reconfigurable system-on-chip. Reconfiguration overhead affects the performance of reconfigurable system. This paper presents a hardware implemented...
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