大约有 505 项符合查询结果(耗时:0.0163秒) [XML]

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Is non-blocking I/O really faster than multi-threaded blocking I/O? How?

... types of hardware. Serial ports aren't as common as they used to be, but USB chips which emulate serial ports are pretty popular in the design of specialized hardware. Characters from such things are handled at the application level, since the OS will have no way of knowing that a sequence of inp...
https://www.tsingfun.com/it/os_kernel/723.html 

将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...直到能编译通过为止。 三:第二个目标,使得代码能够链接过(Link) 完成了第一个目标之后,就会有大量的link错误。原因是前面引入了很多外部函数,外部全局常量只有定义而没有实体,于是就会产生link错误。现在需要的是...
https://www.tsingfun.com/it/tech/1972.html 

Citrix服务器虚拟化:XenApp 6.5发布服务器上的应用程序 - 更多技术 - 清泛...

...功启动并运行。此外,您可以使用Profiler 通过隔离间通信链接现有配置文件,以便应用程序即使在隔离环境中运行时也可以根据需要进行交互。创建配置文件并将其保存到应用程序中心内的文件共享中后,请配置用户,并使用 Ci...
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How does the ARM architecture differ from x86? [closed]

...directly with IO while ARM has not. However with specialized IO buses like USBs, need for such features are also disappearing. If you need a document to quote, this is what Cortex-A Series Programmers Guide (4.0) tells about differences between RISC and CISC architectures: An ARM processor is ...
https://www.tsingfun.com/it/tech/897.html 

Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...这里有一篇AS MT个人觉得不错的分析文章(引用自网络,链接属于原作者功劳)),如下图: 2-3-7 使用Systrace进行分析优化 Systrace其实有些类似Traceview,它是对整个系统进行分析(同一时间轴包含应用及SurfaceFlinger、WindowManager...
https://www.tsingfun.com/it/da... 

Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...RAID 开机 按F2进入 Diagnostic 然后退出 进入 Legacy usb 启动画面 然后 按CRTL+H 进入到 WEBBIOS设置画面 点击 CONFIGURATION WIAZRD 配置引导 清除配置 清除完毕 再次创建RAID 自动 当发生问题的时候有冗余 不管怎么...
https://www.tsingfun.com/it/cpp/1252.html 

MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...roject.com/listctrl/ReportControl.asp (3) subitem中显示超链接 http://www.codeproject.com/listctrl/CListCtrlLink.asp (4) subitem的tooltip提示 http://www.codeproject.com/listctrl/ctooltiplistctrl.asp (5) subitem...
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Context switches much slower in new linux kernels

... In some cases these selections are forced on the OS (e.g., on-motherboard USB, eSATA and NICs). In others the OS is expected to respect your wishes (e.g., EIST, C states, Hyperthreading, Execute Disable, AES-NI, Virtualization, etc...). The BIOS provides a single central device/feature selection su...
https://www.tsingfun.com/it/tech/1601.html 

LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...析网站上有问题的元素(例如下载很慢的图像或打不开的链接)。 我们这里查看一下网页细分图中的“Page Download Time Breakdown”,点击错误!未找到引用源。左边的“New Graph”,出现图1- 14,展开“Web Page Diagnostics”前的加号,...
https://www.tsingfun.com/it/tech/739.html 

TCP 的那些事儿(下) - 更多技术 - 清泛网 - 专注C/C++及内核技术

...一样)。如果3次过后还是0的话,有的TCP实现就会发RST把链接断了。 注意:只要有等待的地方都可能出现DDoS攻击,Zero Window也不例外,一些攻击者会在和HTTP建好链发完GET请求后,就把Window设置为0,然后服务端就只能等待进行ZWP...