microcode

简明释义

英[ˈmaɪkrəʊkəʊd]美[ˈmaɪkroʊkoʊd]

n. [计] 微码

英英释义

单词用法

同义词

反义词

例句

1.One new method is the reduction of the depth of microcode ROM; section 2 explains how this reduction is achieved through proper design of addressing entry and function entry;

分析如何提取公共微操作序列 ，提出设计寻址入口与功能入口的方法来减少微程序 ROM的深度 ；

2.A procedure in which an instruction is broken down into the microcode operations necessary for its execution by a control unit.

一种处理过程，其间由控制器将一条指令分解成为它的执行所必须的微码操作。

3.One new method is the reduction of the depth of microcode ROM; section 2 explains how this reduction is achieved through proper design of addressing entry and function entry;

分析如何提取公共微操作序列 ，提出设计寻址入口与功能入口的方法来减少微程序 ROM的深度 ；

4.If two people write exactly the same program, each should be put into microcode and then they certainly won't be the same.

如果两个人写了完全相同的程序，那么他们应该在微代码级检查，这样就不回认为代码相同了。

5.The MDS tool determines if microcode installed on your systems is at the latest level.

MDS工具判断系统上安装的微代码是否是最新级别的。

6.In fact, microcode design became a high art in the hand of computer architects.

实际上，微代码的设计在计算机设计师手中变成了一门很高的技艺。

7.Global microcode compaction at present is an important issue in firmware engineering.

微代码全局压缩是当前固件工程的一个重要课题。

8.Manufacturers often release microcode updates to fix security vulnerabilities.

制造商通常发布微代码更新以修复安全漏洞。

9.Debugging microcode can be challenging due to its low-level nature.

由于其低级特性，调试微代码可能非常具有挑战性。

10.In some systems, the microcode is responsible for implementing complex instructions.

在某些系统中，微代码负责实现复杂指令。

11.The BIOS update included a new version of the microcode for better compatibility.

BIOS更新包括了新版本的微代码以提高兼容性。

12.The processor's performance can be enhanced by updating its microcode.

通过更新处理器的微代码可以提高其性能。

作文

In the world of computer architecture, the term microcode refers to a layer of instruction that translates higher-level machine instructions into sequences of detailed operations that the hardware can execute. This concept is essential for the functioning of modern processors, as it serves as an intermediary between the hardware and the higher-level programming languages that users interact with. Understanding microcode is crucial for anyone interested in how computers operate at a fundamental level.The primary purpose of microcode is to manage the complexity of processor design. Modern CPUs are incredibly complex, often containing millions or even billions of transistors. Each of these transistors can perform basic logical operations, but to accomplish higher-level tasks, the CPU needs a way to coordinate these operations efficiently. This is where microcode comes into play. By breaking down complex instructions into simpler, more manageable steps, microcode allows the CPU to execute commands in a structured manner.For instance, when a user runs a program, the program's code is translated into machine language, which consists of binary instructions that the CPU can understand. However, these machine instructions are often high-level abstractions that do not directly correspond to the physical operations of the CPU. Here, microcode steps in to translate these machine instructions into a series of micro-operations that the processor can execute. These micro-operations might include actions like moving data between registers, performing arithmetic calculations, or accessing memory.One interesting aspect of microcode is that it can be updated or modified without changing the physical hardware of the CPU. This flexibility allows manufacturers to fix bugs or improve performance by simply updating the microcode. For example, if a flaw is discovered in the way a certain instruction is executed, a manufacturer can release a microcode update that alters how that instruction is processed, effectively patching the issue without requiring users to replace their hardware.Moreover, the use of microcode can lead to significant performance improvements. By optimizing the sequences of micro-operations, manufacturers can enhance the efficiency of their processors, allowing them to run faster and consume less power. This is particularly important in today’s computing environment, where energy efficiency and processing speed are paramount.In conclusion, microcode plays a vital role in the operation of modern processors by acting as a bridge between high-level programming languages and the low-level operations of the hardware. Its ability to translate complex instructions into simpler operations enables CPUs to function effectively and efficiently. Furthermore, the capacity to update microcode provides manufacturers with a powerful tool for improving performance and addressing issues without physical alterations to the hardware. Therefore, understanding microcode is essential for anyone delving into the field of computer science or engineering, as it underpins much of the functionality we often take for granted in our computing devices.

在计算机架构的世界中，术语微码指的是一种指令层，它将更高级别的机器指令翻译为硬件可以执行的详细操作序列。这一概念对于现代处理器的功能至关重要，因为它作为硬件与用户交互的更高级编程语言之间的中介。理解微码对任何对计算机如何在基本层面上运行感兴趣的人来说都是至关重要的。微码的主要目的是管理处理器设计的复杂性。现代CPU极其复杂，通常包含数百万甚至数十亿个晶体管。这些晶体管可以执行基本的逻辑操作，但要完成更高级的任务，CPU需要一种方法来有效地协调这些操作。这时，微码发挥了作用。通过将复杂的指令分解为更简单、更易于管理的步骤，微码使CPU能够以结构化的方式执行命令。例如，当用户运行一个程序时，程序的代码会被翻译成机器语言，这种语言由CPU可以理解的二进制指令组成。然而，这些机器指令往往是与CPU物理操作不直接对应的高级抽象。在这里，微码介入，将这些机器指令翻译为一系列CPU可以执行的微操作。这些微操作可能包括在寄存器之间移动数据、执行算术计算或访问内存等动作。微码的一个有趣方面是，它可以在不更改CPU物理硬件的情况下进行更新或修改。这种灵活性允许制造商通过简单地更新微码来修复错误或提高性能。例如，如果发现某个指令执行方式中的缺陷，制造商可以发布一个微码更新，改变该指令的处理方式，从而有效地修补问题，而无需用户更换硬件。此外，使用微码可以带来显著的性能提升。通过优化微操作的序列，制造商可以增强其处理器的效率，使其运行更快并消耗更少的电力。这在当今的计算环境中尤为重要，因为能效和处理速度至关重要。总之，微码在现代处理器的操作中扮演着重要角色，作为高级编程语言与硬件低级操作之间的桥梁。它将复杂的指令翻译为更简单的操作，使CPU能够有效且高效地运作。此外，更新微码的能力为制造商提供了一种强大的工具，可以改善性能并在不对硬件进行物理更改的情况下解决问题。因此，理解微码对于任何深入计算机科学或工程领域的人来说都是必不可少的，因为它支撑着我们在计算设备中常常视而不见的许多功能。