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Translation Lookaside Buffers (TLBs) are critical to processor performance. Much past research has addressed uniprocessor TLBs, lowering access times and miss rates. However, as chip multiprocessors (CMPs) become ubiquitous, TLB design must be re-evaluated. This paper is the first to propose and evaluate shared last-level (SLL) TLBs as an alternative to the commercial norm of private, per-core L2...
The design process for chip multiprocessors (CMPs) requires extremely long simulation times to explore performance, power, and thermal issues, particularly when operating system (OS) effects are included. In response, our novel FPGA-based emulation methodology models a full CMP design including applications and an OS. Activity counters programmed into the cores feed per-component microarchitectural...
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