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We propose and apply a new simulation paradigm for microarchitectural design evaluation and optimization. This paradigm enables more comprehensive design studies by combining spatial sampling and statistical inference. Specifically, this paradigm (i) defines a large, comprehensive design space,...
Traditional coherence protocols present a set of difficult trade-offs: the reliance of snoopy protocols on broadcast and ordered interconnects limits their scalability, while directory protocols incur a performance penalty on sharing misses due to indirection. This work introduces Patch...
In recent years, circuit reliability in modern high-performance processors has become increasingly important. Shrinking feature sizes and diminishing supply voltages have made circuits more sensitive to microprocessor supply voltage fluctuations. These fluctuations result from the natural...
With rapid advancement in Internet technology and usages, some emerging applications in data communications and network security require matching of huge volume of data against large signature sets with thousands of strings in real time. In this article, we present a memory-efficient hardware...
Object fusing is an optimization that embeds certain referenced objects into their referencing object. The order of objects on the heap is changed in such a way that objects that are accessed together are placed next to each other in memory. Their offset is then fixed, that is, the objects are...
We provide an analysis of thread-management techniques that increase performance or reduce energy in multicore and Simultaneous Multithreaded (SMT) cores. Thread delaying reduces energy consumption by running the core containing the critical thread at maximum frequency while scaling down the...
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