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As microprocessors begin to leverage multi-core functionality, the power consumption incurred from tag comparison in cache hierarchy of Chip Multi-Processors (CMPs) becomes more prevalent. In this paper, a novel two-level cache architecture is explored to reduce the tag comparisons for mitigating power overhead. For one thing, a way-tagged L1 cache is(More)
Register renaming is an indispensable technique to cope with false data dependencies in out-of-order processors. The critical component for performing register renaming is a register alias table (RAT), which maintains the mappings between architecture and physical registers. Unfortunately, a potential misprediction may seriously slower the processor(More)
The complexity of explicit parallel programming greatly limits programmers to achieve further performance gain in chip-multiprocessors (CMPs). To simplify software programming for large scale CMPs, we present a task-level superscalar microarchitecture which acts as the Control Processor (CP) of the Multi-Level Computing Architecture (MLCA), a novel(More)
A SDRAM like conventional memories can be affected by the occurrence of single event upsets (SEUs) which can lead to serious faults such as single-bit error. In order to cope with this effect of SEUs, a fault-tolerant SDRAM controller is proposed instead of previous approaches that required modifications to the internal structure of the SDRAM itself. For(More)
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