lower stack

简明释义

甲板下烟道

英英释义

例句

1.To optimize performance, we need to address the bottlenecks in the lower stack.

为了优化性能，我们需要解决下层堆栈中的瓶颈。

2.During the maintenance check, the engineer discovered a fault in the lower stack that required immediate attention.

在维护检查中，工程师发现下层堆栈存在故障，需要立即处理。

3.We need to upgrade the hardware that supports the lower stack for better performance.

我们需要升级支持下层堆栈的硬件以获得更好的性能。

4.The technician found that the system was running slowly due to the issues in the lower stack.

技术人员发现系统运行缓慢是由于下层堆栈的问题。

5.The database queries were taking too long because of inefficiencies in the lower stack.

由于下层堆栈中的低效，数据库查询耗时过长。

作文

In the world of computer science and programming, understanding the architecture of systems is crucial. One important aspect of this architecture is the concept of a stack. A stack is a data structure that follows the Last In, First Out (LIFO) principle. Within this structure, we often encounter terms like 'upper stack' and 'lower stack'. The term lower stack refers to the portion of the stack that contains the most recently added elements, which are accessible for immediate use. This part of the stack is essential for efficient memory management and function calls in programming. When a program runs, it utilizes the stack to keep track of function calls and local variables. Each time a function is called, a new block of memory is pushed onto the stack, creating a new context for that function. This new block typically resides in the lower stack, as it is the most recent addition. As functions complete their execution, they are popped off the stack, allowing the program to return to the previous state. This dynamic nature of the stack is what makes it so powerful in managing resources effectively.Moreover, understanding the lower stack is vital for debugging. When an error occurs in a program, developers often examine the contents of the stack to determine where the issue originated. By looking at the lower stack, they can identify the most recent function calls that led to the error, allowing them to trace back and fix the problem. Therefore, a clear comprehension of how the lower stack functions can greatly enhance a programmer's ability to troubleshoot and optimize code.In addition to its role in function calls and error handling, the lower stack also plays a critical role in recursion. Recursive functions call themselves, which requires additional memory allocation on the stack for each call. Each invocation adds a new context to the lower stack, which must be managed carefully to avoid stack overflow errors. This scenario illustrates the importance of understanding the limits of the lower stack and ensuring that recursive functions have a proper base case to terminate the recursion.Furthermore, the lower stack can impact performance. In high-performance computing or real-time systems, the efficiency of stack operations can be a bottleneck. Developers often strive to minimize the number of function calls or optimize the usage of the lower stack to improve overall system performance. This involves careful planning of function structures and memory usage to ensure that the lower stack remains manageable and does not lead to unnecessary overhead.In conclusion, the concept of the lower stack is integral to understanding how stacks operate within programming. It serves as a foundation for function calls, error handling, recursion, and performance optimization. By mastering the intricacies of the lower stack, programmers can write more efficient, reliable, and maintainable code. As technology continues to evolve, the principles surrounding the lower stack will remain relevant, underscoring its importance in the field of computer science.

在计算机科学和编程的世界中，理解系统的架构至关重要。这个架构的一个重要方面是堆栈的概念。堆栈是一种遵循后进先出（LIFO）原则的数据结构。在这个结构中，我们经常会遇到“上层堆栈”和“下层堆栈”等术语。术语下层堆栈指的是堆栈中包含最近添加元素的部分，这些元素可以立即使用。堆栈的这一部分对于高效的内存管理和编程中的函数调用至关重要。当程序运行时，它利用堆栈来跟踪函数调用和局部变量。每当调用一个函数时，都会在堆栈上推送一块新的内存，从而为该函数创建一个新的上下文。这块新内存通常位于下层堆栈中，因为它是最近添加的。当函数完成执行时，它们会从堆栈中弹出，使程序能够返回到之前的状态。堆栈的这种动态特性使其在有效管理资源方面非常强大。此外，理解下层堆栈对于调试至关重要。当程序发生错误时，开发人员通常会检查堆栈的内容，以确定问题的来源。通过查看下层堆栈，他们可以识别导致错误的最新函数调用，从而追溯并修复问题。因此，清楚理解下层堆栈的功能可以大大增强程序员排除故障和优化代码的能力。除了在函数调用和错误处理中的作用外，下层堆栈在递归中也扮演着关键角色。递归函数会调用自身，这需要在堆栈上为每次调用分配额外的内存。每次调用都会在下层堆栈中添加一个新的上下文，这必须小心管理，以避免堆栈溢出错误。这种情况说明了理解下层堆栈的限制的重要性，并确保递归函数具有适当的基本情况以终止递归。此外，下层堆栈还会影响性能。在高性能计算或实时系统中，堆栈操作的效率可能成为瓶颈。开发人员通常努力减少函数调用的数量或优化下层堆栈的使用，以提高整体系统性能。这涉及对函数结构和内存使用进行仔细规划，以确保下层堆栈保持可管理，不会导致不必要的开销。总之，下层堆栈的概念对于理解堆栈在编程中的运作至关重要。它作为函数调用、错误处理、递归和性能优化的基础。通过掌握下层堆栈的复杂性，程序员可以编写更高效、可靠和可维护的代码。随着技术的不断发展，围绕下层堆栈的原则将继续保持相关性，强调其在计算机科学领域的重要性。