SPECULATION CONTROL FOR IMPROVING TRANSACTION SUCCESS RATE, AND INSTRUCTION THEREFOR

摘要

Throttling instruction execution in a transaction operating in a processor configured to execute memory instructions out-of-order in a pipelined processor, wherein memory instructions are instructions for accessing operands in memory is provided. Included is executing, by the processor, instructions of a transaction comprising determining whether the transaction is in throttling mode and based on the transaction being in throttling mode, executing memory instructions in-program-order. Also included is based on the transaction not-being in throttling mode, executing memory instructions out-of-program order.