Linux

Some translated blogs, such as http://bbs.flatworld.jp/node/1209, can be seen by searching for "Linux Startup startup 108" on Google. I don't know if this is an automatic machine translation or manual translation. A Japanese speaker can help me

Next article:108 odd tricks for Linux programming-12 (storage computing)   The ticket purchasing problem is actually a problem of combining mathematics. You can solve it directly. Assume that the X axis is the person holding 50 yuan, and the Y

Standard file I/O functions such as fputs are thread-safe, that is, the function locks and locks inside it. However, if a large number of files are read and written, the flockfile function can be used for unified lock and lock reduction, the

Groups in Linux are similar to those in windows. You can create a group and add the members to the group list. Resources can be allocated in groups. Members in the same group can access the same resource. Use Console CommandsGroupaddCreating a

Gangban_lau: http://blog.csdn.net/gangban_lau/archive/2010/11/10/6000977.aspx Blog is indeed not a good discussion platform. for the atomicity or not, we have discussed this topic in shuimu architecture. For more information, see yifanw's

 Now that we understand the functions of these files and directories, let's look back at the flowchart: 1. linux boot starts from post power-on self-check. When the self-check is completed, read the first 0th bytes in the first 446 heads of the

This is the six scripts I wrote under the leadership of Marco a few days ago. They can concatenate them to implement (1) All the functions of article 1, it's very convenient. In the future, we will continue to use this small Linux to learn from the

The Linux Startup Process must be mastered by linuxer. Through the system startup process, you can have a better understanding of Linux. If there is a problem with the Linux system, you can analyze the cause and solve the problem through the startup

Next article: 108 odd tricks in Linux programming-11 (out of order)   The CPU that supports sse4 and Intel Core I3 are used. Because the palignr command is supported, the preceding code is rewritten as follows: Performance improvement may not be

  Connect back: http://blog.csdn.net/pennyliang/archive/2010/10/21/5956302.aspx Sometimes we want to achieve higher accuracy on the X86 platform. If we want to accurately know the execution time of a program or function, we can execute rdtsc two

Sometimes, we can store calculated values and retrieve them as needed. This greatly reduces the computing workload and replaces time with space.   We started from a question: Farmer John and his friends went to the cownty exhibition. The ticket for

Previous blog: Workshop.   Many netizens replied in this article. The concentrated view is that CPU bytes are aligned. Coincidentally, A friend used this code for testing, the code execution speed of alignment and non-alignment is the same because

I plan to open a long series of blogs. I expect 108 articles. I hope it will be completed within 1-2 years.   Note: Since I have been using Linux for development for a long time, some codes cannot be compiled in Windows or may cause problems. We

Next article: Linux programming's 108 odd tricks-15 (reducing replication)   The previous article mentioned that using the movntdq command to write XMM registers can achieve performance gains, and pointed out that by default, when writing occurs,

Link: http://blog.csdn.net/pennyliang/archive/2011/03/08/6231709.aspx According to the Convention, first explain the code. The rdtsc function is used to obtain the machine startup timestamp. The following text comes from Intel instruction

At the optimization level, the order from top to bottom is business level, algorithm level, encoding level, instruction level, platform level, and hardware level. The business level indicates that many optimizations can be trimmed or improved during

/*************************************** ************************************* File: $ home/projects/linuxp/howto_zhfontsconfig* Title: Add a new font for Redhat Linux* Author: CURE * Date: 03-04-19 16:00*---------------------------------------------

In Linux, the worry disk is used as a SCSI device. before mounting the USB flash disk, first confirm the name of the USB flash disk device and enter dmesg in the terminal. | more view, my name is sda1.Create mount point/mnt/USBMount it with Mount-T

Windows to Linux: A series of articles Roadmap for guiding developers to Linux Level: elementary Chris Walden (cmwalden-at-us.ibm.com)E-commerce architect, IBM developer relationsJanuary 2004 IBM e-commerce architect Chris Walden

Suddenly I had the idea of installing a Linux to come and play. who installed it was so troublesome? after four days of hard work, I finally installed a Fedora Core 3. Now I have recorded the process as follows: Wednesday:Problem 1: I was eager to