what cache memory used for

CPU Cache Most CPUs only have Level 1 cache and level 2 cache, and some have Level 3 cache.The cache memory is the temporary memory between the CPU and memory. It has a smaller capacity than the memory but is faster than the memory. The data in the

In Linux systems, we often use the free command to view the state of the system's memory usage. On a RHEL6 system, the display of the free command is probably a state:[[email protected] ~]# free             total       used       free     shared  

Can Cache in Linux memory be recycled? In Linux, we often use the free command to view the system memory usage status. On an RHEL6 system, the free command displays the following information: The default display unit here is kb, and my server is GB

1. The register is the component part of the central processing Unit. Registers are high-speed storage parts with limited storage capacity that can be used to hold instructions, data and addresses. In the control unit of the central processor, the

Do you really know the free command of Linux?In Linux systems, we often use the free command to view the state of the system's memory usage. On a RHEL6 system, the display of the free command is probably a state:Here the default display unit is KB,

The difference between memory buffer and cache in Linux 2011-10-04 14:40:18 This article turns from: http://blog.chinaunix.net/uid-24020646-id-2939696.html Careful friends will notice that when you frequently access files under Linux, physical

Original source: http://gsqls.blog.163.com/blog/static/45971218201341310221675/ function, structure and working principle of high speed buffer memory High-speed buffer memory is a memory that exists between main memory and CPU, and is composed of

Basic Cache Technology favorites 1. IntroductionA large number of website pages are dynamically created based on different requests submitted by users. As we know, dynamic pages help provide customized dynamic content according to user requirements.

In-depth parsing of PHP's caching capabilities in the YII framework, YII framework Data caching refers to storing some PHP variables in the cache and retrieving them from the cache when they are used. It is also the basis for more advanced caching

This article mainly introduces the caching function in PHP's Yii Framework. as a heavyweight framework pursuing high standards, Yii has a rich array of cache storage and APIs, for more information about data caching, you can store some PHP variables