协处理器

The second one is to research and analyze most hardware resource of the coprocessor and discuss their working principle.

第二部分主要针对协处理器所要完成的任务，研究协处理器所需要的硬件资源，并对各个硬件资源模块的工作原理进行了研究、分析和设计。

Design process of video motion estimation coprocessor for VSP is discussed.

本文重点研究通用视频处理器中运动估计协处理器的设计。

Additionally, into the crystal of processor is integrated the coprocessor forworking withvideo and images.

此外，到晶体的处理器是集成协处理器的工作与视频和图像。

The security coprocessor is responsible for the task associated with the security in the system, and allows other processor to process the main system function.

安全协处理器负责系统中与安全性相关的任务，允许非安全处理器去完成主要的系统功能。

Thus the idea naturally arises to use a second processor or coprocessor for I/O.

因而自然会想到用第二个处理器或协处理器去处理 I/O。

The third one is to discuss how to research and develop the arithmetic and software needed in the coprocessor based on the hardware resource of it and how to debug the software and give some experiment result.

第三部分主要针对设计完成的协处理器的硬件资源，研究开发协处理器中运行的软件算法和调试等问题，给出分析和试验结果。

During the migrating and optimizing process of targeted platform, this paper starts with the analysis on complexity of H.264/AVC algorithms, carries on plenty of tests, uses a series of optimizing methods aiming at the special hardware resources of PWBSP-16 platform: optimizing modules including SAD Calculate, Integer Transform and Quantization in the instruction level by using FIRtree instruction set; optimizing it by improving coding process and enabling co-processor such as VLx、DMA in system level by the thinking of modules parallelism maximizing; putting forward the future optimizing mind in the level of algorithms.

在目标平台的移植优化过程中，本文从H.264/AVC编码算法的复杂度分析入手，进行了大量的测试分析，并针对PWBSP-16 DSP处理器特殊的硬件资源，采取了如下一系列的优化策略：在指令级方面，采用FIRtree指令集对SAD计算、整型变换、量化等主要耗时模块进行优化；在系统级方面，采用模块并行最大化的思想，通过改进编码流程，启用VLx、DMA等协处理器等方法进行优化；在算法级方面，提出后续的优化思路。

At the same time, it provides a programmable condition for upper applications. So network devices based on network processor can achive not only high performace, but also high flexility.

NP器件内部通常由若干个微码处理器和若干个硬件协处理器组成，并为上层提供了可编程的环境，从而使高性能和业务灵活性的有机结合成为可能。

Coprocessors Another way to increase the performance of a computer is through the use of a coprocessor, which is a special processor chip or circuit board designed to assist the processor in performing specific tasks .

协处理器另一种提高计算机性能的方法是使用协处理器，它是一种专门设计的处理器芯片或电路板，用来辅助处理器执行特殊任务。

It implies not only the use of specialized coprocessors, installed in free processor socket, but also the use of motherboardexpansion with the installed on themprocessors .

这不仅意味着使用专门的协处理器，安装在自由处理器插槽，而且还使用主板扩展与安装在他们的处理器，这类似于以利用现代影像卡，为加快专门的计算。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。