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: This article describes how to make PHP7 faster GCCPGO. For more information about PHP tutorials, see. We have been committed to improving the performance of PHP 7. Last month we noticed that the gcc pgo can improve the performance by nearly 10% on Wordpress, which made us very excited. However, PGO, as the name suggests (Google can be used for Profile Guided Optimization), needs some use cases for feedb

to the original DOM node of jQuery () (if nothing is passed, the front and back texts are the whole document ). The purpose is to achieve more accurate query together with the selector.Therefore, if you must use the class to specify the target, at least specify the context for the selector to avoid jQuery's effort to traverse the entire DOM document:Write it like this:Copy codeThe Code is as follows:Certificate ('.class'0000.css ('color' #123456 '); It is better to add the front and back texts

: the front and back texts passed to the original DOM node of jQuery () (if nothing is passed, the front and back texts are the whole document ). The purpose is to achieve more accurate query together with the selector.Therefore, if you must use the class to specify the target, at least specify the context for the selector to avoid jQuery's effort to traverse the entire DOM document:Write it like this:Copy codeThe Code is as follows: Example ('.class'example .css ('color' #123456 '); It is bette

hard disks are based on slices. A partition consists of several slices. So what is a sector? We all know that a disk is rotated during operation, and the information stored in it is recorded on the surface by a series of concentric circles. Each concentric circle is called a track. The size of a sector is 512 bytes, and an integral ring is a track. A track has several sectors, so we can see that, the larger the volume of a single sector on an external track, the smaller the density. Because the

It takes thousands of miles. Small streams are built into rivers and seas. They are just inconspicuous tips. Over time, they make our work and learning more efficient, and let us focus more on the logic itself, they are. netProgramThey are good friends of Visual Studio ...... Do we really know them? If you want to learn these skills as soon as possible, open Visual Studio and try these skills yourself. (Image from Bing) Let Code Write

Prese Rve the existing semantics of HTTP.Why this approach?Improving HTTP starts with speed. There is already broad consensus on the need to make Web browsing much faster.We think that apps-not just browsers-should get faster too. More and more, apps is how people access Web services, in addition to their browser.Improving HTTP should also make mobile better. Fo

How do you make your computer run faster? In addition to some conventional system optimization methods, this article introduces a few methods, there are hardware aspects, there are systems optimization methods, there are software optimization methods. 1 increase the memory of the system, such as you are 1G of memory, you can upgrade to 2G. 2 can be installed in the system Ultra-133 hard disk acceleration

Knowledge focus: To make Windows 7 run faster ahci, the full name is Serial ATA advanced Host Controller Interface (Serial ATA Advanced Control Interface), under the guidance of Intel, API standards jointly developed by multiple companies. In ahci, Intel introduced the ncq (native command queue) function and hot swapping technology. After receiving the read/write instruction, the hard disk supporting ncq wi

　　A reasonable use of hard disk What is the proper use of the hard disk? First we need to understand the physical structure of the hard disk disc. The partition and format of the hard disk is based on the sector, and a partition is composed of several sectors. So what is a sector? We all know that disks rotate when they are working, and that the information they store is a series of concentric circles recorded on its surface, each concentric circle is called a track, in Fig. 1 We can see the di

Make your PHP 7 faster (gcc pgo) We have been committed to improving the performance of PHP 7. Last month we noticed that the gcc pgo can improve the performance by nearly 10% on Wordpress, which made us very excited. However, PGO, as the name suggests (Google can be used for Profile Guided Optimization), needs some use cases for feedback, that is, the Optimization needs to be bound to a specific scenario

We've been working to improve PHP7 performance, and last month we were very excited to note that GCC's PGO can bring nearly 10% performance improvements on WordPress. However, PGO as the name says (Profile guided optimization interested in Google), he needs to use a few use cases to get feedback, which means that the optimization needs to be tied to a particular scenario. Your optimization of a scene may backfire in another scenario. It is not a generic optimization. So we can't simply inclu

Five methods to make Python code run faster: python code Regardless of the language, we need to pay attention to performance optimization issues to improve execution efficiency. If you select a scripting language, you have to endure its speed. This statement illustrates to some extent the shortcomings of Python as a scripting language, that is, the execution efficiency and performance are not good enough. A

Five methods to make Python code run faster and five methods to run python code Regardless of the language, we need to pay attention to performance optimization issues to improve execution efficiency. If you select a scripting language, you have to endure its speed. This statement illustrates to some extent the shortcomings of Python as a scripting language, that is, the execution efficiency and performance

called# would always run befor e Bar, when the bar is called endend def bar:afterdef bar:after # 'll always run after bar, where bar is called# W Ill always run after bar, when Bar are called # may or May are able to access and/or change bar ' s return value# Or May is able to access and/or the change bar ' s return value endend endend This may make it easier to write decorator and will run faster