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Mixed-mode multicore reliability
2009
SIGARCH Computer Architecture News
Future processors are expected to observe increasing rates of hardware faults. Using Dual-Modular Redundancy (DMR), two cores of a multicore can be loosely coupled to redundantly execute a single software thread, providing very high coverage from many difference sources of faults. This reliability, however, comes at a high price in terms of per-thread IPC and overall system throughput. We make the observation that a user may want to run both applications requiring high reliability, such as
doi:10.1145/2528521.1508265
fatcat:qwadyztlzfhlphvaebncwsedmy