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System and method for preventing in-flight instances of operations from interrupting re-execution of operations within a data-inference microprocessor
System and method for preventing in-flight instances of operations from interrupting re-execution of operations within a data-inference microprocessor
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机译:用于防止运行中的操作实例中断数据推断微处理器中的操作的重新执行的系统和方法
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摘要
A microprocessor may include one or more functional units configured to execute operations, a scheduler configured to issue operations to the functional units for execution, and at least one replay detection unit. The scheduler may be configured to maintain state information for each operation. Such state information may, among other things, indicate whether an associated operation has completed execution. The replay detection unit may be configured to detect that one of the operations in the scheduler should be replayed. If an instance of that operation is currently being executed by one of the functional units when operation is detected as needing to be replayed, the replay detection unit is configured to inhibit an update to the state information for that operation in response to execution of the in-flight instance of the operation. Various embodiments of computer systems may include such a microprocessor.
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