instruction retry

简明释义

指令复执

英英释义

例句

1.The system will perform an instruction retry 指令重试 if the first attempt fails due to a timeout.

如果第一次尝试由于超时失败，系统将执行一次instruction retry 指令重试。

2.If the device encounters an error, it automatically triggers an instruction retry 指令重试 to recover from the failure.

如果设备遇到错误，它会自动触发一次instruction retry 指令重试以从故障中恢复。

3.During the update process, an instruction retry 指令重试 may be necessary to ensure data integrity.

在更新过程中，可能需要进行一次instruction retry 指令重试以确保数据完整性。

4.The application logs every instruction retry 指令重试 attempt for troubleshooting purposes.

该应用程序记录每一次instruction retry 指令重试尝试，以便于故障排除。

5.You may need to adjust the parameters if the instruction retry 指令重试 is happening too frequently.

如果instruction retry 指令重试发生得过于频繁，您可能需要调整参数。

作文

In the world of computing and technology, errors are inevitable. One common approach to handling these errors is through a process known as instruction retry. This term refers to the technique of re-executing a failed instruction in order to achieve the desired outcome. Understanding this concept is crucial for anyone involved in programming or system design, as it plays a significant role in ensuring system reliability and performance.When a program encounters an error, such as a temporary loss of connection to a database or a hardware malfunction, it can often recover by simply trying to execute the same instruction again. This process is what we refer to as instruction retry (指令重试). For instance, consider a scenario where a user is trying to save a document to the cloud. If the internet connection drops momentarily, the application may attempt to save the document again after a brief pause. This automatic retry mechanism helps to ensure that users do not lose their work due to transient issues.The implementation of instruction retry can vary depending on the context. In low-level programming, it might involve specific machine instructions designed to handle exceptions. For example, a processor may have built-in mechanisms to detect when an instruction has failed and automatically trigger a retry. In higher-level programming languages, developers might implement retry logic using loops or exception handling constructs.One of the primary benefits of using instruction retry is that it enhances the robustness of applications. By anticipating potential failures and providing a means to recover, developers can create more resilient systems. This is particularly important in critical applications, such as those used in healthcare or finance, where errors can lead to significant consequences.However, there are also challenges associated with instruction retry. For instance, if an instruction fails repeatedly, blindly retrying it without any delay or condition can lead to resource exhaustion. This is sometimes referred to as a 'retry storm', where the system becomes overwhelmed with repeated attempts to execute the same instruction. To mitigate this risk, developers often implement exponential backoff strategies, where the time between retries increases exponentially with each failure.Moreover, not all errors are suitable for retrying. Some failures may indicate a fundamental issue that cannot be resolved simply by trying again. For example, if a program tries to access a file that does not exist, retrying the instruction will not solve the problem. In such cases, it is essential for developers to identify the type of error and determine whether a retry is appropriate.In conclusion, instruction retry (指令重试) is a vital concept in error handling within computing. It allows systems to gracefully recover from transient failures and maintain functionality. While it offers numerous advantages in terms of robustness and reliability, it is crucial to implement it judiciously to avoid potential pitfalls. As technology continues to evolve, understanding and mastering the concept of instruction retry will remain an essential skill for developers and engineers alike.

在计算机和技术的世界中，错误是不可避免的。处理这些错误的一种常见方法是通过一个称为指令重试的过程。这个术语指的是重新执行失败的指令以达到预期结果的技术。理解这个概念对于任何参与编程或系统设计的人来说都是至关重要的，因为它在确保系统的可靠性和性能方面发挥着重要作用。当程序遇到错误时，例如临时失去与数据库的连接或硬件故障，它通常可以通过简单地再次尝试执行相同的指令来恢复。这一过程就是我们所说的指令重试。例如，考虑一个用户尝试将文档保存到云端的场景。如果互联网连接暂时中断，应用程序可能会在短暂的暂停后尝试再次保存文档。这种自动重试机制有助于确保用户不会因瞬时问题而丢失工作。指令重试的实现可以根据上下文的不同而有所变化。在低级编程中，它可能涉及专门设计用于处理异常的机器指令。例如，处理器可能具有内置机制来检测指令何时失败并自动触发重试。在更高级的编程语言中，开发人员可能会使用循环或异常处理结构来实现重试逻辑。使用指令重试的主要好处之一是增强应用程序的健壮性。通过预见潜在的故障并提供恢复手段，开发人员可以创建更具弹性的系统。这在关键应用程序中尤为重要，例如那些用于医疗保健或金融的应用程序，其中错误可能导致重大后果。然而，指令重试也存在挑战。例如，如果指令反复失败，盲目重试而不加延迟或条件可能会导致资源耗尽。这有时被称为“重试风暴”，即系统因重复尝试执行相同指令而变得不堪重负。为了减轻这种风险，开发人员通常会实施指数回退策略，在每次失败之间的时间呈指数增长。此外，并非所有错误都适合重试。一些故障可能表明一个根本性的问题，仅仅通过再次尝试无法解决。例如，如果程序尝试访问一个不存在的文件，重试该指令不会解决问题。在这种情况下，开发人员必须识别错误的类型并确定重试是否合适。总之，指令重试在计算中的错误处理是一个重要概念。它允许系统优雅地从瞬时故障中恢复并保持功能。虽然在健壮性和可靠性方面提供了众多优势，但谨慎实施以避免潜在的陷阱也是至关重要的。随着技术的不断发展，理解和掌握指令重试的概念将继续成为开发人员和工程师的重要技能。