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Most modern processors have some much faster cache memories than a main memory, and therefore, it is important to effectively utilize it for the efficient execution. The cache memories work well through enhancing temporal or spatial localities in the program. Therefore, the cache efficiency can be improved by making accesses to the same array or structure continuous. We propose the new cache optimization...
Main memory latencies have always been a concern for system performance. Given that reads are on the critical path for CPU progress, reads must be prioritized over writes. However, writes must be eventually processed and they often delay pending reads. In fact, a single channel in the main memory system offers almost no parallelism between reads and writes. This is because a single off-chip memory...
Using full-custom layouts in 130 nm technology, this work studies how the latency and energy of a checkpointed, CAM-based Register Alias Table (cRAT) vary as a function of the window size, the issue width, and the number of embedded global checkpoints (GCs). These results are compared to those of the SRAM-based RAT (sRAT). Understanding these variations is useful during the early stages of architectural...
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