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    • 2. 发明申请
    • Use of internal buffer to reduce acknowledgement related delays in acknowledgement-based reliable communication protocols
    • 使用内部缓冲区来减少基于确认的可靠通信协议中的确认相关延迟
    • US20050135394A1
    • 2005-06-23
    • US10745200
    • 2003-12-23
    • Bhupinder SethiJeffrey Fuller
    • Bhupinder SethiJeffrey Fuller
    • H04L12/28H04L12/56
    • H04L47/29H04L47/10H04L47/193
    • Mechanisms in which reliable communication is enabled without having to wait for a final acknowledgement message. An upper layer issues a send request. The message is then placed in a send queue. If data in the send queue is less than (or equal to) a predetermined threshold at this stage, the packet is sent, a successful transmission report is returned to the caller, and the data is copied to an internal buffer for use in case transmission was unsuccessful. If the amount of data in the send queue is more than that predetermined threshold, the packets are sent. Subsequently, each time an acknowledgement is received, the determination is repeated until the amount of unacknowledged data in the send queue is less than or equal to the predetermined threshold. Then, the successful transmission report is returned to the caller.
    • 能够进行可靠通信而不必等待最终确认消息的机制。 上层发出发送请求。 然后将消息放在发送队列中。 如果发送队列中的数据在此阶段小于(或等于)预定阈值,则发送分组,将成功的发送报告返回给呼叫者,并将数据复制到内部缓冲器以用于传输 不成功 如果发送队列中的数据量大于该预定阈值,则发送数据包。 随后,每次接收到确认时,重复该确定,直到发送队列中的未确认数据量小于或等于预定阈值。 然后,成功的传输报告返回给来电者。
    • 4. 发明申请
    • System and method for increasing data throughput using thread scheduling
    • 使用线程调度增加数据吞吐量的系统和方法
    • US20050050552A1
    • 2005-03-03
    • US10652709
    • 2003-08-29
    • Jeffrey Fuller
    • Jeffrey Fuller
    • G06F13/12G06F9/32G06F9/46G06F9/48H04L12/56
    • G06F9/4881G06F9/544H04L47/50H04L47/6255H04L49/90
    • A system and method for delivering data from a device driver to an application increases the usage of synchronous processing (fast I/O mode) of data requests from the application by utilizing thread scheduling to enhance the likelihood that the requested data are available for immediate delivery to the application. If the amount of data in a data queue for storing data ready for delivery is low, the thread scheduling of the system is modified to promote the thread of the device driver to give it the opportunity to place more data in the data queue for consumption by the application. The promotion of the thread of the device driver may be done by switching from the application thread to another thread (not necessarily the device driver thread), boosting the device driver's priority, and/or lowering the priority of the application, etc.
    • 用于将数据从设备驱动程序传送到应用程序的系统和方法通过利用线程调度来增加来自应用程序的数据请求的同步处理(快速I / O模式)的使用,以增强请求的数据可用于立即传递的可能性 到应用程序。 如果用于存储准备传送的数据的数据队列中的数据量较少,则系统的线程调度被修改以促进设备驱动程序的线程,以便给数据队列中的更多数据放置在数据队列中以供消耗 应用程序。 可以通过从应用程序线程切换到另一线程(不一定是设备驱动程序线程),提高设备驱动程序的优先级和/或降低应用程序的优先级等来实现对设备驱动程序的线程的促进。
    • 5. 发明申请
    • Method and system for moderating thread priority boost for I/O completion
    • 调整I / O完成线程优先级提升的方法和系统
    • US20050050550A1
    • 2005-03-03
    • US10650176
    • 2003-08-28
    • Jeffrey Fuller
    • Jeffrey Fuller
    • G06F9/00G06F9/48
    • G06F9/4881
    • A system and method uses a heuristic approach to manage the boosting of thread priorities after I/O completion to improve system performance. Upon detection of the completion of an I/O operation in response to a request, the system thread does not automatically boost the priority of the thread that made the I/O request by a fixed amount. Instead, the system thread determines whether to boost the requesting thread's priority by applying heuristic criteria based on the I/O operation status, such as whether the system thread has additional I/O requests to process, how many I/O request packets have been completed in the current thread context without a priority boost to the requesting thread, and the time that has passed since the last boosted I/O completion.
    • 系统和方法使用启发式方法来管理I / O完成后线程优先级的提升,以提高系统性能。 当检测到响应于请求的I / O操作的完成时,系统线程不会自动将使I / O请求的线程的优先级提高固定的量。 相反,系统线程通过应用基于I / O操作状态的启发式标准来确定是否提升请求线程的优先级,例如系统线程是否有额外的I / O请求来处理,有多少I / O请求数据包已被 在当前线程上下文中没有优先级提升到请求线程,以及自上次升级的I / O完成以来已经过去的时间。