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synchronization point
相关语句
  同步点
     Today's Job Management System is not flexible and effectively enough toset and realize synchronization point, aiming for solving this problem, the author has extended a new project.
     目前的作业管理系统在同步点的设置以及同步点的实现方面不够灵活和有效,针对这种情况,作者在实践中提出了一种作业流间同步的新方案,通过在两个作业流程中任意的设置两种同步作业,完成作业流之间的同步执行关系。
短句来源
     By associating the synchronization point of process with thread status,TC looks into and confines the correct sequence of memory access events from the OS aspect to ensure programs correct running.
     线程一致性模型通过将并行程序执行过程中的同步点和线程状态结合起来,从操作系统的角度来观察和限制存储访问的正确顺序,从而保证了并行程序的正确执行。
短句来源
     In order to solve this problem, Workflow Management Coalition has advanced a criterion for synchronization model. This model prescribes that there should be synchronization point between two JobFlows.
     工作流管理同盟(WFMC)为实现工作流之间的互操作性,曾提出过同步模型规范,这种模型要求在两个工作流程中存在同步点
短句来源
     This paper systematically introduces a variety of time synchronization technologies based on HLA, such as the methods of physical time synchronization, synchronization point, conservative and optimistic synchronization based on logical time.
     本文系统地介绍了基于HLA的各类时间同步技术,包括物理时间同步方法、同步点方法以及基于逻辑时间的保守同步推进方法和乐观同步推进方法。
短句来源
     Audio processing such as time shift and time scaling modification can cause displacement between embedding and detection process and it is hence difficult for watermark to survive. The pitch detection is done using the coefficients of wavelet transform of the host audio,which is used as the synchronization point. Before watermark detection,the detector finds the synchronization point to realize the synchronization between the watermark embedding and detection process.
     利用语音信号小波变换自身特点,根据小波变换系数进行基音周期检测,并以此作为水印过程的同步点,水印检测前先搜索同步点,实现水印检测和嵌入过程的自同步.
短句来源
  相似匹配句对
     Multimedia Synchronization
     多媒体同步模型研究
短句来源
     Point of view
     观点
短句来源
     The frame synchronization is a key point for v ideo stream processing.
     帧同步是视频流处理的一个关键点。
短句来源
     the point bounded.
     点有界。
短句来源
     From Synchronization to Emergence
     从同步到涌现
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  synchronization point
In this paper, joint estimation of the optimal threshold, synchronization point, and integration interval is developed for ultrawideband (UWB) energy detectors employing on-off keying (OOK) modulation.
      
These methods allow analysis to be applied to neuron spike activity only around each synchronization point.
      
The new method has the advantage that only one synchronization point exists in each parallelized substitution.
      
In the static analysis phase before simulation, it estimates minimum execution time from every point in the code to the nearest synchronization point.
      
It exhibits a unique characteristic that is very sensitive to the true synchronization point since it has minimum value at the true synchronization point and maximum around the true synchronization point.
      
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The intersection point at which an iterative procedure of the parallel algorithm needs to wait for the finish of another iterative procedure is called synchronization-point. In this paper, the multiprocessor synchronization for concurrent loops is discussed. It is concerned in the basic concept, detection, and building and removing of synchronization, and the data dependence, which are essential for further research on synchronizing strategy and method.

同步是一种为了保证相互协作的多个迭代按正确顺序执行,以获得与串行结果相同的技术。如果并行算法的一个迭代过程在交互点处需要等待其它迭代过程运行结束,称这个点为同步点。具有同步点的并行算法称为同步算法。由于在同步点处将出现等待,因而同步的出现将影响多处理器并行算法的运行效率,故在并行算法的构造中,应尽量减少同步点的设置。但对一个大的实际问题来说,同步又是很难避免的。本文即针对有并发循环存在的多处理机系统中所出现的同步问题展开讨论。它涉及到同步的基本概念,同步的探测,数据相关性,同步的建立与退出等一系列问题,这些是进一步研究同步策略与方法的重要基础。

It is well known that parallel programming is quite difficult for common users. Considering the large requirement of computation and storage in flowfield computing, an efficient frame synchronization and communication strategy in automatic parallelization is presented. Serial programs of finite difference algorithm for structured grid can be automatically parallelized with SPMD mode. Synchronization and communication are put together at the end of each frame. An algorithm of automatically spotting...

It is well known that parallel programming is quite difficult for common users. Considering the large requirement of computation and storage in flowfield computing, an efficient frame synchronization and communication strategy in automatic parallelization is presented. Serial programs of finite difference algorithm for structured grid can be automatically parallelized with SPMD mode. Synchronization and communication are put together at the end of each frame. An algorithm of automatically spotting the synchronization points is provided, which is a pivot in this strategy. This strategy is also beneficial in message passing scheme. A thorough study shows that the correctness of parallel flowfield computing can be assured, and the overhead of synchronization and communication is reduced considerably, so that an ideal speedup can be achieved.

针对流场计算中巨大的计算量和存储量要求及并行机使用困难的问题,研究以SPMD模式把结构化网格有限差分算法的串行程序自动并行化后的同步和通信方法。提出了一种有效的帧同步和帧通信策略,在每帧结束时集中进行同步和通信。同时,设计了同步点自动定位算法,它是实现该策略的关键技术。通过分析,证明帧同步和帧通信策略能保证并行流场计算程序的正确性,有效降低同步和通信开销,并便于实现消息传递,从而获得了可观的加速比。

This paper presents a software controlled data prefetching scheme to overcome the delay of remote memory accesses in the physically distributed and logically shared memory system. With the information provided by the parallel programs respecting weak order consistency model, prefetch operations can be arranged at synchronization points to get the data before they are used. This scheme can effectively hide the large latency of non uniform memory access architechtrol model through block operations.

本文针对分布共享存储器中存在的远地访问大延迟问题,提出了基于弱序一致性模型的存储访问优化策略,主要是利用并行程序中同步操作提供的信息,在同步点成块预取将要被使用的数据.该方法能够有效地掩盖远地存储访问的大延迟

 
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