According to statistics, about 500 of the world's top 60% supercomputers have installed Linux operating systems. Compared with other types of operating systems, linux has an absolute advantage in high-performance computing applications.
As a private
On September 6, 500, the top global super computer rankings were announced by the international TOP500 organization, from China ldquo; Tianhe 2 rdquo; supercomputer defeated us ldquo; Titan rdquo ;, won the championship for the third time in a row. In addition, Linux once again overwhelmed the supercomputer market. In the global top 500 super computer ranking
Linux edUse of editor Original: http://www.matrix.org.cn/thread.shtml? Topicid = 28281 forumid = 43
EdThe editor is
LinuxThe simplest text editor in the operating system. It is an editor that edits a file in units of action, not an editor in a MS-DOS system that edits the file in units of the entire screen frame. Therefore, if you are used to the edit Editor, it may take some time to get used to it.
Ed. But this is not important, because
EdEase of use can make you get started quickly.
EdThe
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The Ed editor is the simplest text editor in Linux. It is an editor that edits a file in units of action, not an editor in a MS-DOS system that edits the file in units of the entire screen frame. Therefore, if you are used to the editor of the edit style, it may take some time for you to get used to the Ed style. But this is not important, because the simplicity of Ed can make you get started quickl
Spotlight.
CUDA NEWS
CUDA 6 The CUDA 6 Production release are now available for download. This version further simplifies parallel programming with new features such as unified; Drop-in libraries; and Multi-gpu scaling. To learn further, attend CUDA 6 Webinars:may 1:cuda 6 Unified Memory may 7:cuda 6 drop-in performance optimized LIBR Aries
The above figure is GeForce GTC 780, the following figure is GTX Titan
With the popular 600 series of graphics products, Nvidia is non-stop to celebrate the arrival of spring with the release of the new 700 series models. Its first product, named GeForce GTX 780, did not revolutionize the market, in fact, it was an upgrade to the product line before Nvidia, inheriting the image processing chips from the GTX Titan
Linux sticky bit and stickybit
Only the root or owner can delete or rename the file when setting the stick position.
Example:
The default apple group is fruit.
[Root @ titan ~] # Id apple
Uid = 1001 (apple) gid = 1001 (fruit) group = 1001 (fruit)
Step 1 shows the water Folder Information, which is not currently set with a sticking bit.
[Root @ titan/] # ls-l | grep water
Drwxr-xrwx. 4 root 4096 August 10
Titanev is an operating system based on the Ubuntu Linux release. It has a user interface customized for Windows XP users and for Mac/OS users. Provide you with the best solutions to meet your customer needs and bind them together to better adapt to the needs of system users in the domestic market and the organizational market. TITANLEV8.04.3: http://titanlev.affordy.com/titan/titanlev8043.isouser
TITAN lie
It is very convenient to use SVG. Although some functions need to be optimized, it is sufficient for general vector graphs. The following example shows a small program for drawing.
Directly access test. SVG in the browser.
1. Test. SVG
2. Test. js content
VaR DATA = {Facebook: {Total: 2900, Titan: 800, fish: 600, Athena: 400, bossv: 500, dream: 600}, Mixi: {Total: 2200, titan: 500, fish: 400, Athena: 500,
* Record the configuration process, the content is basically the configuration of the problems encountered in each step and the corresponding method found on the Internet, the format will be more confusing. Make some records for the younger brothers and sisters to build a new server to provide some reference (if the teacher to buy a new server), but also hope to help people in need.
System configuration: CPU Xeon e5-2620 V3, Gpu:nvida TITAN X, Os:ubu
the movement of the enemy, you can see that the action of the monster is also dull. noctis Ice Magic, near the frozen demo, although again set fire to the burning wilderness, but this debugging screen to turn the weather into a rainy day. It was hard to see in the image, but the burning flames on the prairie were poured out by the rain. Magical fire and ice, weather conditions, FFXV game world, all kinds of materials and the real world, have a strong and weak relationship. Fire Magic in th
in the completion of the million new Titan X to thousand GTX 1050 layout, the NVIDIA 10 series graphics card family has been lined up in a word, covering different needs and consumption capabilities of users. But in the 5000 yuan GTX 1080 and 9499 yuan of new Titan X there is a small price space, GTX 1080 ti offing.
GTX1080 TI Graphics
Finally, Zauba appears highly suspected of this new card
Last night 21 o'clock, NVIDIA GeForce GTX 1080 formally unveiled all the veils. How strong is this card? Is it really faster than Titan X? What are the technical improvements to the new graphics card? This article will answer for you.NVIDIA GeForce GTX Founders EditionUnmatched gaming performanceThe important thing to say first. The GeForce GTX 1080 is based on the more mature 16nm FinFET process, built with Nvidia's latest Pascal GPU architecture. It
When we use the import statement, how does the Python interpreter find the corresponding file?
This involves Python's search path, which is made up of a list of directory names, in which the Python interpreter looks for the modules introduced.
This looks much like an environment variable, in fact, you can also determine the search path by defining the environment variables.
The search path is determined when the Python is compiled or installed, and the installation of the new li
following uses TravelAgentBean as an example, this section describes the development process of EJB components:1. TravelAgent remote interfaceIt provides methods to set the route and cabin ID that the customer wants to book. In addition, the boolPassage () method is set to charge the customer's reservation and generate a ticket for the customer. The Code is as follows:Package com. titan. travelagent;Import java. rmi. RemoteException;Import javax. ejb
results of the optimization of industry still has a reference value."Artificial intelligence has been transformed from a model-based approach to a data-based, statistical-based approach that relies heavily on high-speed, high-level GPU-parallel architecture. It turns out that GPUs are good for deep learning. "Professor of Beijing University of Aeronautics and Astronautics, national" 25,873 Program of high-efficiency computer and application services environment "Major project overall team leade
Linux prohibits normal users from su to root and linuxsuroot
I. Overview
To prohibit normal users from su to root, you must modify the configuration files/etc/pam. d/su and/etc/login. defs respectively.
Ii. Detailed Configuration
(1) Remove the following comments in the/etc/pam. d/su file:
# Auth required pam_wheel.so use_uid
(2) Add the following configuration items to the/etc/login. defs file:
SU_WHEEL_ONLY yes
After the above configuration, normal users will be banned from su to root.
Linux group configuration file (/etc/group), etcgroup
I. Overview
The Linux group configuration (/etc/group) file is divided into four fields:
Group name, group password, GID, and group member.
Ii. Example
[Root @ titan ~] # Cat/etc/group | grep fruit
Fruit: x: 1001:
Fruit indicates the group name, x indicates the group password, 1001 indicates the GID, and the group member field is blank.
The default group for apple and banana is fruit.
[Root @
charges consumers in the transaction system. It defines three transaction methods, namely, ByCheck (), ByCash (), and ByCredit (), for checking, cash, and credit card payment methods ().Sample Code of the business reservation systemThe entire business reservation system is developed under IBM VisualAge for Java. in This IDE development environment, entity beans are much easier to develop than Session Beans. the following uses TravelAgentBean as an example, this section describes the development
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