prefetching造句

• An spn - based integrated model for web prefetching and caching
  基于spn的web预取和缓存一体化模型研究
• When prefetching occurs , prefetchsize is an important tunable parameter
  在进行预取时，预取大小是一个极其重要的可调参数。
• Wei l , gu z . spn model for web prefetching and caching . in proc . 1st int
  理论分析和实验结果为web预取和缓存一体化模型的实施提供了依据。
• Fractal prefetching b - trees : optimizing both cache and disk performance . in proc
  实验结果还表明， minitasking的参数配置基本上和查询类型无关。
• Db2 uses prefetching when sequential i o is appropriate and it determines that prefetching may improve performance
  在适合进行连续i / o以及确定预取可以提高性能时， db2将使用预取。
• We have developed the active proxy on top of the wbi environment and experimented different prefetching algorithms
  我们在wbi环境底下架构了不同预先抓取演算法的有效的代理伺服器。
• References 1 park k , song m , hwang c . broadcasting and prefetching schemes for location dependent information services
  除此之外，查询处理的性能还取决于数据广播的顺序以及广播数据的组织。
• In this thesis , we implement an active proxy system for web mail that provides advanced functions such as prefetching and filtering
  在本文中,我们针对网页邮件提供一个可以预先抓取和过滤的先进作用的有效的代理伺服器系统。
• Maxpgahead is the upper limit for aix file system prefetching so it affects efficiency when doing large scans and i o on sms or dms file containers
  Maxpgahead是aix系统预取的上限，所以当对sms或dms文件容器做大的扫描或i / o时，它会影响效率。
• Web prefetching and web caching are the primary approaches to reducing the user perceived access latency and improving the quality of services
  预取技术与缓存技术相结合则能够进一步提高缓存命中率，大幅度减少用户的访问延时，从而提高www服务质量。
• Because of the number of table scans and table sorts in the tpc - h workload , prefetching data from disks into memory is important for optimal performance
  因为tpc - h工作负载中表扫描和表排序的数量较多，所以为获得最佳性能将数据从磁盘预取到内存是很重要的。
• In this paper , a stochastic petri nets based integrated web prefetching and caching model iwpcm is presented and the performance evaluation of iwpcm is made
  本文首次用随机petri网spn描述web预取和缓存一体化iwpcm模型，并对iwpcm进行了性能评价和模拟测试。
• The performance is improved significantly . the average ipc speedup is 6 . 9 % . 3 . prefetching policy using miss queue information is proposed by investigating instruction cache misses and data cache misses
  3 .通过对指令cache和数据cache失效行为的分析,提出一种预取策略? ?结合访存失效队列状态的预取策略。
• The first one is an email - receiving algorithm , which provides a better way to resolve the contradiction between limited storage space and system capacity . the second one is an email - prefetching algorithm
  首先，针对嵌入式邮件客户端邮件接收能力有限的问题，本文给出了一种有限邮件接收算法，该算法较好地平衡了有限的存储空间和系统可用性之间的矛盾。
• 17 song m , park k , ryu j , hwang c . modeling and tracking complexly moving objects in location - based services . journal of information science and engineering , 2004 , 20 : 517 - 534 . 18 roussopoulos n , kelley s , vincent f . nearest neighbor queries
  基于这种数据组织方法，作者提出了一种数据预提取prefetching机制，并通过相应的优化算法，有效地提高了最近k个邻居查询k - nn查询和区域查询处理的效率。
• The performance metrics , access latency , throughput , hr hit ratio and bhr byte hit ratio are analyzed and discussed . simulations show that compared with caching only model , iwpcm can further improve the throughput , hr and bhr efficiently and reduce the access latency . the performance evaluation based on the spn model can provide a basis for implementation of web prefetching and caching and the combination of web prefetching and caching holds the promise of improving the qos of web systems
  对于缓存命中率和字节命中率等性能指标，使用基于一阶ppm prediction by partial match预测算法，通过四种典型的缓存替换策略gdsf greedy dual size frequency ， gdsize greedy dual size ， lfu least frequently used ， lru least recently used在仅缓存模型和一体化模型中的应用验证了一体化模型比仅缓存技术具有更好的性能。
• And then , it gives some useful approaches of program transformation to reduce cache conflicts , and concludes three accessing modes in multi - media applications to prepare for the further study of stream cache prefetching technologies . this paper also introduces a data allocation approach to scratch - pad sram , with the purpose of improving cache hit rate
  讨论了常用的提高数据时空局部性的程序变换方法以降低cache失效率,并针对多媒体领域应用程序的特点,总结了三种多媒体常见存储访问模式,为进一步研究并向dpc存储系统加入流cache的预取技术奠定了基础。
• 4 . to decrease the usage of network resources by network management systems even more , combined with the fact that the performance of network management is affected by the scheme to collect management information , a new algorithm - gpa ( group - prefetching algorithm ) has been put forward used for retrieving management information from the element level in heterogeneous wan ( wide area network ) . gpa can adjust many little retrieving objects into one prefetching group to access by using the schemes of group prefetching , objects of group changed self - adaptively , fault tolerance etc . , and thus can decrease the frequency of retrieval , use fewer network resources and decrease the network overhead without alteration of iiop , snmp or cmip too
  4 .为进一步减少网络管理系统对网络带宽的占用，结合被管对象信息的收集策略直接影响网管系统性能的特点，针对异构大型网络环境下多管理对象的信息收集问题，提出了一种提取多管理对象信息的新算法?组预取算法gpa ( group一prefetehingalgorithim ) ，该算法同样能在不改变管理协议，如iiop 、 snmp或cmip的情况下，采用组预取策略、组对象自适应扩充策略、组对象自适应收缩策略、容错策略等，将多个分散的、处于相同或不同被管设备上的、在未来一段时间内的管理对象的访问组合在一个预取组中进行访问，减少对管理对象的访问频度，从而可以较少占用网络资源，减小整个网络开销。