当预取数量发生变化时。
工作负载读写单行，因此它无法利用预取。
The workload is reading and writing single rows, so it cannot take advantage of prefetching.
只有已选文件夹参与预取操作和模式缓存。
Only the selected folders participate in the pre-fetch operation and schema caching.
Google 所作的另外一件事情是预取结果。
这让处理器可以提前准备分支操作（例如预取指令）。
This allows the processor to prepare for the branch ahead of time (prefetching the instructions, for instance).
可以将一些预处理与数据预取相关联。
Some pre-processing may also be associated with the data prefetch.
数据库中的表空间仅仅配置了一个容器，以致无法进行预取。
The table spaces in the database are set up with only one container each so that prefetching cannot take place.
添加新连接之后，所有模式信息都被异步地预取和缓存。
After adding a new connection, all schema information is asynchronously pre-fetched and cached.
模拟结果表明，该方法对能量受限预取优化问题是有效的。
Experimental results show that the approach is effective for energy-constrained prefetching optimization problem.
这些预取的服务器对象在相应的连接之下以文件夹的形式列出。
These fetched server objects are listed as folders under the corresponding connection.
PREFETCHSIZE指定在执行数据预取时将从表空间读取的页数。
PREFETCHSIZE specifies the number of pages to be read from the table space when data prefetching is being performed.
借助数据挖掘领域中序列模式挖掘的方法，提出了相应的预取算法。
The corresponding prefetching algorithm, which comes from the sequential pattern mining method in data mining area, is also raised.
同时采用自适应的预取大小，能有效的避免预取抖动，降低磁盘能耗。
Meanwhile, its adaptive prefetching size can prevent read-ahead thrashing and reduce the disk energy consumption.
抽样页也是预取的，所以该方法将比行级贝努里(Bernoulli)抽样更快。
The sampled pages are also prefetched, so this method would be faster than row-level Bernoulli sampling.
此外，简化视见体的可见性判断和数据预取策略，实现可见数据的动态管理。
In addition, dynamical management of terrain dataset in view field was implemented effectively by visible detection based on the simplified view frustum and terrain data prediction strategy.
基于这些模板和参数，提出了两种智能预取算法以适应两类不同的数据查询需求。
Based on the query pattern and the real query parameters, it developed two intelligent prefetch algorithms to fit two kinds of demand in data query.
当第一个块被取尽之后，应用程序可以立即得到预取的第二个块中的行，并接着请求下一个块。
Once the first block is exhausted, the application is immediately given the rows from the second block that were pre-fetched as DB2 Connect moved ahead and requests the next block.
针对GPU异构系统上的应用映射提出三种基本负载均衡优化策略：预取、流化、任务划分。
Three basic load balance strategies on mapping applications onto GPU are presented: Prefetch, stream computing, task division.
在获取每条指令期间会出现某种延迟，可以通过预取指令并对其进行存储以用于后续的执行，从而避免延迟。
Fetching each instruction involves a certain latency that can be avoided by prefetching instructions and storing them for later execution.
该预取指令可以与系统互连事务一起或作为单独的事务发送到系统中包括所述目标处理器的设备。
The prefetch directive may be sent along with system interconnection transactions or sent as a separate transaction to devices including the target processor in the system.
基于带权语义距离的网页预取方法对用户兴趣进行归纳，用带权语义距离反映词与词之间的概念关系。
The Web prefetching method based on weighted semantic distance induces the user interests and reflects the concept relations of the terms by weighted semantic distance.
由于从数据库代理程序直接调度非预取I/O，因此非预取 I/O不受 NUM_IOSERVERS 约束。
Non-prefetch I/Os are scheduled directly from the database agents and as a result are not constrained by NUM_IOSERVERS.
语音组件可以发送和接收事件，这些事件反过来将包含预取资源的生命周期事件，以及载入新语法的语法事件。
A voice component could send and receive events, which in turn would contain the life-cycle event for pre-fetching resources, and a grammar event for loading a new grammar.
试验分析结果表明，基于自适应会话调整及群体共同兴趣剖像的预取算法能较好地完成对相关页面的预取。
The experimental results show that this method which is based on the adaptive session generation and the common interest profile can work well.
用于数据库的I/O服务器（预取器）的数目可以使用 NUM_IOSERVERS 数据库配置参数进行配置。
The number of I/O servers (prefetchers) for a database can be configured using the NUM_IOSERVERS database configuration parameter.
该技术采用基于资源相关性的流媒体主动预取算法获取广告资源，应用动态共享内存池技术来存储和播放广告。
To realize the technology, the active prefetching algorithm for streaming media based on relevance between resources was adopted to obtain advertisement resources.
该算法还可以应用在异构的系统环境之中，这种异构的系统性能几乎完全取决于服务器端使用的预取算法的性能。
It can be used in heterogeneous system environment, and the performance of this kind of heterogeneous system depends almost entirely on the prefetching algorithm that used in server side.
反馈式数据预取优化技术是当前高性能计算技术中前沿的一种编译优化手段，可以很好地解决链式结构的预取问题。
Feedback directed data prefetching optimization has become one of the advanced compiler optimization techniques. it can do well in linked data prefetching.
实验结果表明，这种实现能有效地对用户访问日志进行聚类，并能满足服务器预取机制在线分析的时间、空间要求。
Experimental results show that the implementation can cluster the user access logs effectively, and the temporal and special efficiency can meet the on-the-fly need of Web server pre-fetching.
实验结果表明，这种实现能有效地对用户访问日志进行聚类，并能满足服务器预取机制在线分析的时间、空间要求。
Experimental results show that the implementation can cluster the user access logs effectively, and the temporal and special efficiency can meet the on-the-fly need of Web server pre-fetching.
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