一种异构网络环境中的性能管理策略

文中针对一种特殊环境下的异构网络,研究其环境下的通信过程中所呈现的传输特征。利用在网络监测过程中得到性能参数的统计信息对网络传输性能进行分析,并对网络性能管理中性能参数的变化规律进行讨论,论述了统计分析基本原理在性能评估中的应用。提出了在测量和分析过程中需要考虑的因素以及进行分析的方法,为管理人员直观了解网络运行状况提供了依据。     

Memory Management for Real-Time Java: An Efficient Solution using Hardware Support*

This paper addresses the issue of improving the performance of memory management for real-time Java applications, building upon the real-time specification for Java (RTSJ) from the Real-Time Java Expert Group. In a first step, a collecting dynamic memory solution including both a real-time garbage collector and region-based memory management, is proposed. A thorough analysis of the parameters influencing the performance of write barriers in memory management, together with ways of improvement are then presented. Finally, the implementation of a memory management solution compliant with the RTSJ and integrating the proposed improvements is sketched.     

A Scalable Interconnection Network Architecture for Petaflops Computing

Extrapolating technology advances in the near future, a computer architecture capable of petaflops performance will likely be based on a collection of processing nodes interconnected by a high-performance network. One possible organization would consist of thousands of inexpensive, low-power symmetric multiprocessor (SMP) nodes. Each node will inject data into the interconnection network at a very large rate and consequently, the interconnect scheme is one of the most crucial design issues affecting system performance. This paper describes the 2D simultaneous optical multiprocessor exchange bus (2D SOME-Bus) which has the potential to become the basis of a high-end computer architecture capable of petaflops performance. It consists of N horizontal, N vertical 1D SOME-Bus networks, and N ² nodes. Each node is connected to one horizontal and one vertical 1D SOME-Bus. Each of N nodes connected to one 1D SOME-Bus has a dedicated broadcast channel and an input channel interface based on an array of N receivers monitoring all N channels and allowing multiple simultaneous broadcasts. In the 2D SOME-Bus, messages being broadcast on one Bus can be broadcast in a cut-through manner on one or more Buses in the other dimension. This paper describes the optoelectronic devices and technology which make the 2D SOME-Bus possible, and the network interface organization. It also presents simulation results which compare the performance of the 2D SOME-Bus, the 1D SOME-Bus, the crossbar and the torus under the message-passing paradigm.     

试析马钢H型钢厂绩效考核及其奖酬体系的变革过程

从马钢H型钢厂的筹备到正规组产的各个不同阶段时的所对应的绩效考核及其奖酬体系的变革从人力资源管理的角度试分析其内在关系,对这个国有特大型钢铁企业中的业绩考核及其奖酬体系在当今社会条件下所进行的实践进行一些有益的探讨.     

市场调查人员个性特征与调查效果研究

以135名杭州市市场调查人员为被试,使用艾森克人格问卷(EPQ)测定人格维度,以"项目完成率"、"完成质量"2个客观指标与"责任心"、"热情"2个主观指标为评价标准,综合论述了市场调查人员个性特征与调查效果的关系。结果发现:市场调查人员个性特征与调查效果之间有一定关系,其中"精神质"是影响调查效果的重要因素。低精神质,外倾,且神经质得分较高和较低者调查效果好。     

超高功率直流电弧炉的供电补偿系统

叙述并分析了新疆八钢70t直流电炉交流滤波补偿装置的配置构成和补偿后电网电能质量的性能测试情况。     

关于Java安全与性能之权衡分析

Java是目前最流行的编程语言之一，它在网络上的安全性是无可比拟的，但由此带来了性能上的影响，在这里，首先介绍其安全机制，再对性能上的原因进行分析，最后给出一些提高性能的安全性方法。     

公司治理对公司绩效的作用机制分析

公司治理对公司绩效的作用是通过公司管理 ,而且是战略管理实现的。其影响的焦点在于资源的配置 ,具体的途径是通过董事会的监控与战略参与职能 ,影响公司 (战略 )管理 ,从而间接或直接地影响资源的分配     

提高焦炭热态性能的研究与应用

为提高焦炭热态性能，济钢焦化厂利用小焦炉试验和大工业焦炉试验，确定了主焦煤矿点及适应1750m^3大高炉用焦的配煤结构：1／3焦煤25％、肥煤25％、焦煤35％、瘦煤15％，与原生产配比相比，焦炭热态反应性平均降低4．6％，反应后强度平均提高4．3％．     

基于多维空间的商务协同要素分析

运用四维空间分析方法,引入时间压缩策略、战略成本管理、标杆管理和协同效应等原理,将网络协同商务链置于时间维、经济成本维、性能维和可持续发展维等多维空间中进行多元素分析和运筹。指出企业间资源、信息与业务的协同能力依赖于时间、成本、性能以及持续竞争优势等多个约束因素的协调。