Abstract:The use of a rollback buffer (RB) for hiding the rollback latency in logbased eager hardware transactional memory is proposed. The RB allows a transaction to abort without performing rollback, but still makes the transaction's old values immediately available. In effect, the rollback latency almost disappears. When running the Stanford transactional applications for multi-processing benchmark on a 16core processor that implements the LogTM-SE, the speedup (decrease in execution time) achieved with a 2 KB RB is… Show more
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