多媒体指令

带有多媒体指令的新型微处理器使MPEG-2软件解压缩成为可能。

New microprocessors with multimedia instructions enable decompression of MPEG - 2 in software .

今年3月1日，英特尔将推出下一代处理器，它目前的名称叫Katmai，增加了多媒体指令。

On March 1st , Intel will introduce its next generation processor , currently named Katmai , with additional multimedia instructions .

面向多媒体指令集，本文提出了一种新的SIMD代码生成算法ICG-ME。

For multimedia instruction set , a new algorithm ICG-ME for the generation of SIMD code is proposed .

最后又用多媒体指令集即MMX技术对环路滤波模块做了进一步的优化。

Then use the multimedia instruction set that MMX technology on the decoder is optimized , mainly on the loop filter module is optimized .

针对住院病人监护与医院护理人员的需要，以VFW技术为基础，结合多线程技术，MMX多媒体指令技术和自制切换卡开发了一种视频多路病人监护系统。

In order to meet the nursing and monitoring requirements in hospitals , a high performance-price rate multi-channel video-monitoring system , which is based on VFW , multi-thread , MMX and a customed switch card , has been developed .

通过分析新解码器耗时的模块，确定了可用多媒体指令进行优化的部分，采用SIMD指令开发和实现了反变换、环路滤波以及帧内预测等模块。

According to analyse on time consuming modules in the new decoder , parts which can be optimized based on the multimedia instruction are confirmed , and the inverse transform module , loop filter module and intra prediction module is developed and realized based on the SIMD instruction .

基于RISC-DSP核微处理器的指令集体系结构特点，研究分析了视频图像处理中8×8的IDCT算法，将其分解为两级矩阵乘法运算的结构，并利用RISC-DSP核微处理器的多媒体指令分两步实现。

The 8 × 8 IDCT algorithm in video image processing was analyzed based on the character of the instruction set architecture and then divided into two stages of matrix multiplication . The multimedia extended instructions of the RISC-DSP processor were applied to realize the IDCT calculation in two steps .

针对它们的作用和实现方法的不同，可采用不同的优化方法：对于基本模块可用多媒体指令来优化；对于实现算法可研究快速算法来代替。

The multimedia instruction may be used to optimize the basic modules ; the fast algorithms are developed instead of the old ones .

本文首先从多媒体扩展指令集和多媒体实际程序两个角度去分析SIMD编译优化的机遇和问题所在。

This dissertation starts by analyzing of both opportunities and obstacles of SIMD optimization from two aspects : MMEs and real-life multimedia applications .

一种基于多媒体增强指令集（MMX）技术的生物医学信号采样数据软件解调方案。

A novel sampled data software demodulation solution for biomedical signal acquisition based on Multimedia Extensions ( MMX ) technology is introduced in this paper .

其次在实现上，针对IntelPentium4处理器的特性，从存储器组织和高速缓存的利用，SSE2多媒体扩展指令的应用以及基于超线程技术的并行处理等三个方面进行优化实现。

Then further optimizations related to memory organization and cache efficiency , Streaming SIMD Instructions , and the parallel process using Hyper-threading technology have been efficiently implemented on Intel Pentium 4 based computer .

针对实际多媒体程序和多媒体扩展指令集的SIMD编译优化处理器阵列及其在数值运算与数据库运算中的运用

SIMD Compiling Optimization for Real-life Multimedia Applications and Multimedia Extensions PROCESSOR ARRAY AND ITS APPLICATIONS TO NUMERICAL COMPUTATION AND DATABASE OPERATION

数字媒体处理器是一种针对视音频的DSP，为了用于实现视音频等多媒体数据处理，其处理器结构经过了特别优化设计，且提供了丰富的多媒体处理指令集。

The hardware structure of DSP processor is especially designed for multimedia data processing . Not only plentiful multimedia data processing instructions are available , but also it is more flexible for implementation of video encoder than ASIC chip .

为了用于实现多媒体数据处理，针对音视频的DSP处理器结构经过了特别优化设计，且提供了丰富的多媒体处理指令集。

The hardware structure of DSP processor core is especially designed for multimedia data processing , and plentiful multimedia data processing instructions are available .

多媒体扩展主要利用多媒体程序中广泛存在的SIMD并行性以获得性能加速，加速主要体现在多媒体扩展指令集对小数据类型运算和多媒体程序中常见但比较复杂运算的SIMD支持上。

The multimedia extension mainly takes advantage of the widely existence of SIMD parallelism in program to achieve performance acceleration . The acceleration is implemented by SIMD instruction sets support for small data type operations and classical complex operations .