龙芯

面向龙芯平台的快速DCT算法及其实现

Loongson Platform Oriented Fast DCT Algorithm and Its Implementation

基于龙芯SIMD技术的AES加解密优化

Optimization of AES Encryption and Decryption Based on SIMD Technology for Loongson

基于龙芯2号的Java虚拟机的移植与优化

Transplantation and Optimization of Java Virtual Machine Based on GodSon 2

基于FPGA的军用龙芯计算机硬件加密方法

Hardware Encryption Method Based on FPGA Applied in Military Godson Computer

基于龙芯平台的Java运行环境研究

Research of Java Environment on Loongson-based Platform

龙芯2号配套PCIbridge的功能覆盖率验证

Functional Coverage Verification of Godson 2 PCI Bridge

龙芯-1号CPU的网络计算机硬件系统设计及实现

Hardware System Design and Implementation of Network Computer Based on Godson-1 CPU

浅析多核处理器条件下的Java编程基于龙芯处理器的二进制翻译器优化

Analysis on Java Program Based on Multi-Core Processor CPU Optimization of Binary Translator Based on GODSON CPU

基于龙芯SoC的USB主机控制器的设计研究

Research and Design of USB Host Controller Based on Longxi SoC

一种基于龙芯一号CPU的高效Flash控制器

High Efficient Flash Controller Based on Godson-I CPU

在龙芯2号CPU的众多应用中，视频播放是最重要的应用之一。

Video playback is one of the most important applications on Godson 2 CPU .

基于龙芯CPU的有线宽带网络SoC硬件抽象层研究与实现

Research and Implementation of Hardware Abstraction Layer for Cable Broadband Network SoC Based on Godson CPU

Sim-godson是一个用C语言实现的龙芯2号处理器性能模型。

Sim-godson is a performance model of the godson-2 processor written in C.

龙芯（Godson）CPU是国内研制的第一款通用CPU。

Godson CPU is the first universal CPU which developed independently in our country .

在龙芯1上运行的是Linux系统，使用的编译器是GCC。

The Operating System of Godson 1 is Linux , and the Complier is the gnu GCC .

随着国产CPU的迅速发展，如何加快市场化应用的步伐成了制约龙芯处理器发展的因素。

With the rapid development of homemade CPU , how to accelerate the applications become the factors restricting the development of Loongson processor .

龙芯的诞生对于中国的CPU核心技术，国家安全，甚至经济的发展都有着举足轻重的作用。

It is significant that Godson is born for the CPU core technology , the security of nation and the development of economy .

MPEG-2视频播放器是龙芯系列处理器的重要应用之一。

MPEG-2 video playback is one of the potential target applications for Godson microprocessor series .

这种基于龙芯SIMD技术的优化方法对AES加解密函数的优化取得了比较理想的效果。

The optimization method based on Loongson SIMD technology achieved a satisfying effect to the optimization of AES encryption and decryption functions .

龙芯是我国自主研发的通用CPU，采用MIPS架构，它的发展有着重大的意义。

The Loongson processor is a general-purpose CPU that developed by China independently based on the MIPS instruction set . And the development of Loongson is of great significance .

Sim-Godson在龙芯2号的性能分析工作中发挥了重要作用。

Sim-Godson plays an important role in the performance analysis of God-son-2 .

在龙芯2号的早期版本中，MPEG-2视频播放的速度不甚理想，提高龙芯2号的MPEG-2视频播放性能具有十分重要的意义。

Early versions of godson-2 are not quite good at this task . Improving MPEG-2 video playback performance is very important for both current and future Godson-based platforms .

万亿次高性能计算机采用336个龙芯2F处理器作为计算单元，使用两级全交换千兆以太网实现互连，具有高性能、低成本、低功耗和低占地面积等特点。

KD-50-I tera-flops high-performance computer system is made up of336 Loongson-2F CPUs as the computing elements , using two-level full-switched Giga-Ethernet for its interconnection .

本文主要讨论龙芯2号片外存储系统性能，介绍了SDRAM控制器的建模方法，分析了OpenPage和bankinterleave对系统性能的影响，评价了不同地址映射方式对page命中和bankinterleave的影响。

This dissertation mainly focuses on the performance of off-chip memory system . It introduces how to model SDRAM controller in C language , analyzes the impact of open page and bank interleave , and evaluates the effect of page hit and bank interleave by different address mapping manner .

本文提出了一种使用高级语言对硬件建模的方法，并使用它建立了龙芯2号的信号级模拟器ICT-godson。

This thesis proposes a way to model hardware in high level programming languages and successfully uses it to build a signal-level simulator , which is called ICT-godson .

在龙芯2号上，未进行多媒体优化时，MPEG-2视频解码时间占总播放时间的70%左右，而IDCT和运动补偿的时间占总解码时间的85%左右。

On Godson-2 platform , The MPEG-2 video decoding , without any multimedia optimization , occupies about 70 percent of total playback time , at the same time IDCT and motion compensation together occupy about 85 percent of total decoding time .

最早开发的龙芯2号的模拟器ICT-Godson是信号级模拟器，它模拟了处理器的所有细节，十分准确，但速度和灵活性有较大限制。

ICT-Godson , the initial simulator of Godson-2 , is a signal level simulator , which simulates all hardware details of Godson-2 and is very accurate . But the speed of ICT-Godson is not high enough and the flexibility is not good .

基于龙芯的附加网络存储系统的性能分析与优化

Performance Analysis and Optimization of Network Attached Storage System for Loongson

龙芯1号处理器的故障注入方法与软错误敏感性分析

Fault Injection and Soft Error Sensitivity Characterization for Fault-Tolerant Godson-1 Processor

基于动态二进制翻译的龙芯虚拟机中数据预取优化研究

Data Prefetching Optimization Research in Dynamic Binary Translation Based Loongson Virtual Machine