c code optimization tools

in the process to understand the execution efficiency.Also, the Windows Task Manager cannot detect memory leaks, and we need to use other tools.For more information, please pay attention to the first Cocos2d-x 3.2 Edition book "Cocos2d-x: C + + volume" book Exchange Discussion website: http://www.cOcoagame.netFor more exciting video courses, please follow Cocos class: http://v.51wOrk6.comWelcome to join Cocos2d-x Technical Discussion group: 257760386Welcome to Luxgen iOS Classroom public platfo

IMMEDIATE ' ALTER SESSION SET timed_statistics=true ';EXECUTE IMMEDIATE ' ALTER SESSION SET max_dump_file_size= "unlimited";EXECUTE IMMEDIATE ' ALTER SESSION SET tracefile_identifier= ' test_tracefile ';EXECUTE IMMEDIATE ' ALTER SESSION SET EVENTS ' 10046 Trace name context Forever,level 8 ";At the end, add the following statement to executeEXECUTE IMMEDIATE ' ALTER SESSION SET EVENTS ' 10046 trace name context off ';B. Use 10046 event to track other users session:Set Dbms_system.set_ev for oth

the long tail word optimization traces. Beauty Lele Such a keyword layout is very suitable for large and medium-sized sites, such as Marco Polo, Alibaba, 58 fairs and other sites are basically this idea. For those who are interested in an industry to do a good job in the site Seoer also have a lot of reference. 2, outside the chain of operating methods Through Baidu Webmaster Tools, we can see, the Unit

Diagnosing database performance problems as doctors diagnose patients, it is necessary to combine their own accumulated experience and rely on scientific diagnostic reports to determine exactly where the source of the problem is. In the previous three articles we introduced many methods to optimize database performance, although it is important to master the optimization skills, but the diagnosis database performance problem is the premise of

SEO blog webmaster commonly used for free SEO tools are basically recommended domestic SEO tools, this article in Fujian SEO will bring you are: Two of foreign SEO optimization tools recommended. 1, redirect checker, Redirect Checker, also can be called page jump way Check tool. Chinaz Webmaster

borrow the internet about the industry hot topic, with their own language and perspective analysis and comments, The author of this article can be sure that the value and originality is to meet the requirements of Baidu, so I think we have been advocating value factors, only their own understanding of the value of Baidu requirements of specific meaning to the right remedy, improve efficiency. To sum up, the author for Baidu administrator tools for h

21:38:30/personal classification: Network Optimization Currently, wireless networks on the marketNetwork OptimizationTools are evolving along two major trends. First, it is a product led by actix products. This product positions the network optimization tool as an aidNetwork OptimizationMeasure the test taker's knowledge about how to evaluate and analyze network problems. This category applies to road tes

Ext.: http://www.vpsee.com/2014/09/linux-performance-tools/There are a lot of performance tools on the Linux platform, a dazzling, long-term groping and experience finding the best thing to use is the proven, simple gadgets. Brendan D. Gregg, a system performance expert, updated his famous talk (Linux performance Tools) and slides on Linux in the recent LinuxCon

There are a lot of performance tools on the Linux platform, a dazzling, long-term groping and experience finding the best thing to use is the proven, simple gadgets. Brendan D. Gregg, a system performance expert, updated his famous talk (Linux performance Tools) and slides on Linux in the recent LinuxCon NA 2014 conference.Compared with Brendan last year's talk, this year added testing and

TuneUp Utilities, believe that friends familiar with the software should have heard, the software from Germany, is recognized in the world's best system tuning tool, known as "PC system maintenance Swiss Army knife." At present, TuneUp Utilities version 2011 has been released, this issue will lead us to try TuneUp Utilities 2011, to see the world's top system optimization tools to bring the latest version o

In the previous article, "Using. NET core and Google Optimization tools to achieve workshop task planning", this time the official Google document Python implementation of the version of the full source to meet the love of Python friends. from __future__ Importprint_function#Import Python wrapper for Or-tools constraint solver. fromOrtools.constraint_solverImport

From compilation to tools: several mysql optimization methods I. optimizing mysql during compilation If you distribute and install mysql from the source code, note that the compilation process will have an important impact on the future target program. different compilation methods may obtain similar target files, however, the performance may vary greatly. Therefore, when compiling and installing mysql, you

MySQL performance optimization common tools:Common Performance testing toolsShow Engine InnoDB StatusShow Full ProcesslistInformation_schema.processlistExplainCREATE TABLE Innodb_table_monitor (a int) engine=innodb;Innodb_locksInnodb_lock_waitInnodb_trxZabbix MonitoringPt-tools ToolsTwo ways to optimize performance:1. Interpretation of the implementation planMysql> Explain select * from Mysql.user, +----+--

CPU -dependent strace output %time for the total time of all system calls, this is the percentage of time spent on this system call Second The total number of seconds this system call took Calls The total number of all calls of this type 4.2.3 LtraceLtrace is similar to the concept of strace, but it tracks the application's call to the library instead of the kernel. Although Ltrace is primarily used to provide

tables, so fewer resources are used.Myiasm tables can be transplanted at the binary layer on different platforms.Larger key size, larger key size limit.3.3 specify the table Type You can specify the table type when creating a table. In the following example, create a heap table:--------------------------------------------------------------------Mysql> create table email_addresses type = heap (-> Email char (55) not null,-> Name char (30) not null,-> Primary key (email ));-----------------------

efficiency, and saves disk space.MyiasmThis is the default table Type of mysql. It is based on iasm code, but there are many useful extensions. Why is myiasm better:Myiasm tables are smaller than iasm tables, so fewer resources are used.Myiasm tables can be transplanted at the binary layer on different platforms.Larger key size, larger key size limit.3.3 specify the table Type You can specify the table type when creating a table. In the following example, create a heap table:-------------------

[Original] Google Page speed, one of the powerful tools for website performance optimization" Http://code.google.com/intl/zh-CN/speed/page-speed/ What is page speed?Page speed is an open-source Firefox/firebug add-on. webmasters and web developers can use page speed to evaluate the performance of their web pages and to get suggestions on how to improve them. How

Before we published an article "256 Template official website point SEO optimization analysis record" records the site some basic ranking situation, as well as the site collection, snapshots and other situations. Through the comparison of the previous site, we found that Baidu's 256 template network included in the speed or very fast, to achieve the same day can be included in the speed, in general or relatively satisfactory, below we come to specific

In an Oracle database, the need to optimize the SQL statement requires knowledge of its execution plan, which is tailored accordingly. There are several ways to get Oracle's execution plan, and here's a summary 1, the use of explain Oracle RDBMS executes every SQL statement and must be evaluated by the Oracle Optimizer. So, understanding how the optimizer selects (searching) the path and how the index is used is a great help for optimizing SQL statements. Explain can be used to quickly and easil

Label: HTTP for sp ef bs. Net install PHP TTBecause Yahoo's smush. It is processed online, you have to upload images or image URLs, which is very convenient for a small number of images. However, if there are too many images, it is still very inconvenient to process them.I have collected several gadgets for easy installation and use.For GIF:Http://www.lcdf.org/gifsicle/For PNG:Http://pmt.sourceforge.net/pngcrush/For JPG:Http://sylvana.net/jpegcrop/jpegtran/More comprehensive:Http://www.imagemagi