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Caches are commonly used to bridge the processor-memory performance gap in embedded systems. Since embedded systems typically have stringent design constraints imposed by physical size, battery capacity, and real-time deadlines much research focuses on cache optimizations, such as improved performance and/or reduced energy consumption. Cache locking is a popular cache optimization that loads and retains/locks...
The Internet of Things (IoT) refers to a pervasive presence of interconnected and uniquely identifiable physical devices. These devices’ goal is to gather data and drive actions in order to improve productivity, and ultimately reduce or eliminate reliance on human intervention for data acquisition, interpretation, and use. The proliferation of these connected low-power devices will result in a data...
Even though much previous work explores adapting instruction queue (IQ) and reorder buffer (ROB) sizes to application requirements, traditional IQ/ROB optimizations may be prohibitive for resource-constrained embedded systems, due to the hardware/execution time overheads. We propose low overhead, phase-based instruction window optimization to dynamically vary IQ and ROB sizes for different execution...
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