Boosting SMT Performance by Speculation Control

  title={Boosting SMT Performance by Speculation Control},
  author={Kun Luo and Manoj Franklin and Shubhendu S. Mukherjee and Andr{\'e} Seznec},
Simultaneous Multithreading (SMT) is a technique that permits multiple threads to execute in parallel within a single processor. Usually, an SMT processor uses shared instruction queues to collect instructions from the different threads. Hence, an SMT processor’s performance depends on how the instruction fetch unit fills these instruction queues. On each cycle the fetch unit must judiciously decide which threads to fetch instructions from. This paper proposes a new instruction fetch scheme… CONTINUE READING
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