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In this paper, we proposed a light-weighted recovery scheme for fault tolerable pipeline processors after error has been detected by redundant executions. A minimal rolling back procedure is designed to schedule the re-execution based recovery in a one-cycle delay. This scheme makes full use of in-fly pipeline working status to aid the recovery, which relieves the recovery from a large checkpoint...
An 8-core SPARC64™ VIIIfx processor is fabricated in a 45nm CMOS process and achieves a peak performance of 128GFLOPS. Measured results show that the processor consumes only 58W of power when executing a maximum power program. Fine-grained power analysis was used to tune the micro-architecture for low power consumption, and circuit-level low-power techniques were developed. Water cooling and supply...
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