其他操作系统在默认情况下关闭这个特性；如果启用它，它会降低进程中的所有线程或所有进程的性能。
Others have it off by default; if enabled, it exhibits lower performance on all threads in the process or possibly all processes.
开发操作系统的计算机科学家在引入线程——在进程中运行的轻量进程——时给我们进行了提升。
The computer scientists who developed operating systems gave us a boost when they introduced threads — lightweight processes that run within a process.
运行于同一个进程中的所有组件都是在UI线程中实例化的，对每个组件的系统调用也都是由UI线程分发的。
All components that run in the same process are instantiated in the UI thread, and system calls to each component are dispatched from that thread.
在多处理环境中，线程的处理时间与可用系统资源以及与其他线程的同步有关。
In a multiprocessing environment, the processing time for a thread is related to the availability of system resources and synchronization with other threads.
在RT系统中必须小心地管理同步，以防止高优先级线程等待低优先级线程的情况发生。
Synchronization must be carefully managed within a RT system to prevent high-priority threads from waiting for lower-priority threads.
多线程编程中的一个主要考虑是确保程序在执行多线程的系统中正确地——线程安全地——运行。
A primary concern in multithreaded programming is to make sure the program runs correctly — thread safe — in a system where multiple threads are executing.
这一点是广为认可的，因此在POWER5系统中引入了同步多线程。
This emphasis was recognized and Simultaneous Multi-Threading was introduced in POWER5 systems.
操作系统通常可以在相同进程中的不同线程之间更快速地切换(上下文切换)，而不是在不同进程之间切换。
Operating systems can generally switch (context switching) faster between threads of the same process than between different process.
mini - httpd可以在一个系统线程中处理多个并发请求，但是在主机上占用的内存或CPU很少。
Mini-httpd handles multiple concurrent requests in a single system thread, while demanding little from its host in the way of memory or CPU.
新的线程系统现在已经在MacRuby代码库的实验性分支中可以找到，这个分支目标成为MacRuby下一个版本。
The new threading system is available in MacRuby's experimental branch, which is destined to become the next MacRuby version.
在多处理器系统中，Linux试图模拟分派到可用处理器的单个全局RT线程队列的行为。
On multiprocessor systems, Linux tries to emulate the behavior of a single global queue of RT threads that are dispatched to available processors.
本文基于在向Linux 2.6- based系统中移植大型的多线程应用程序时所获得的实际经验，我希望这个清单能帮助您节省时间和精力。
This article is based on real experience gained while porting a large multi-threaded application onto a Linux 2.6-based system, so I hope this checklist can be helpful in saving you time and effort.
在最初的设计中，由于没有锁，一个线程在另一个线程与服务器对话时发起的系统调用都会绕过该p seudo设计。
In the original design, without locking, any syscalls made by one thread while another thread was talking to the pseudo server bypassed the pseudo design.
在系统实现中，将故障模拟在全故障集上进行，并对C／S通信进行了多线程处理，取得了比较好的加速效果。
The fault simulating is completed on the full set of faults and multithread processing is applied to the communication of C/S. A good acceleration rate is achieved.
当系统中存在多个线程池时，此方法或许对于此类的扩展类在进行作业重新分配时是有用的。
This method may be useful in extensions to this class that re-assign work in systems with multiple pools.
甚至在单核系统中也是一样的，只不过某一时刻仅有一个线程在执行。
This is true even in systems that only have a single execution core, and thus only have one thread actually executing at any given moment.
多线程同样能够提高一些任务的执行速度，特别是在多处理器系统中。
Multithreading can also improve the speed of performing some tasks, especially on multiprocessor systems.
在实现过程中采用了双缓冲、多线程、多媒体定时器等关键技术，保证了系统的实时性和可靠性。
The system adopts key technologies such as double buffers, multithreading and multimedia timer. These key technologies assure the efficiency and stability.
介绍了多线程技术在汽车磨合检测微机控制系统中的应用。
This paper presents the application of multiwire technology in the microcomputer control system of automobile running-in test.
就多线程技术在仪器控制系统中的应用进行了论述。
The application of multi-thread technique in instrumentation control is researched.
介绍了在测控系统中，采用OOP技术实现在多线程之间进行数据流传输控制的一种较为可靠、高效的方法。
A reliable and efficiency method applied to measure and control system, which adopt OOP technique to achieve data flow transmit and control among multithreading, is introduced in this paper.
采用多媒体定时器以及多线程技术，实现高速下数据在串口系统中的传输以及多串口数据通讯问题。
The multimedia timer and multithread technique were used to solve the high speed data transmission in serial port system and data communication in multi-serial port system.
文中首先讨论了多线程并发系统中的安全性与公平性问题，指出安全性与公平性在并发系统中访问临界资源时的重要性。
In this thesis, discuss the safety and fairness in concurrent system, and point out its importance when multithreading accessing the critical resources.
例如，操作系统可能读写磁盘，或者在目标线程与另一个进程中的另一个线程之间进行切换。
For example, the operating system might read or write to disk, or switch between the target thread and another thread in another process.
在空调电控板测试诊断系统中采用了软件信号仿真和硬件信号模拟相结合的设计方法，最后采用多线程、多优先级的编程技术进行实现。
This system is designed by employing the method of combining signal emulation with signal simulation in addition to multithreading and multi-priority programming technology.
这实际上就是多处理器系统中发生的情形，在此类系统中，可执行线程分布在多个可用处理器中。
This is actually the case on multiprocessor systems, where the executable threads are distributed among the available processors.
虽然实现可能有在一个系统中是唯一的线程ID，应用程序应该只假定线程id在一个单一的过程是可用的，独特的。
Although implementations may have thread IDs that are unique in a system, applications should only assume that thread IDs are usable and unique within a single process.
虽然实现可能有在一个系统中是唯一的线程ID，应用程序应该只假定线程id在一个单一的过程是可用的，独特的。
Although implementations may have thread IDs that are unique in a system, applications should only assume that thread IDs are usable and unique within a single process.
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