[情報] Windows Cache Extension for PHP

[taicomjp (Kurosagi.)]

暨官方Zend全面支援PHP於Windows的效能優化之後，IIS團隊也發展
Windows Cache Extension for PHP 用在Windows平台的PHP加速器
目前仍屬於1.0 Beta 階段，PHP5.2及5.3的使用者可以使用

Windows Cache Extension for PHP is a PHP accelerator that is used to increase
the speed of PHP applications running on Windows and Windows Server. Once the
Windows Cache Extension for PHP is enabled and loaded by the PHP engine, PHP
applications can take advantage of the functionality without any code
modifications.
Increase PHP application performance on Windows by caching PHP bytecode in
memory

Windows Cache Extension for PHP stores the PHP bytecode, the compiled version
of the PHP script, in memory making it available when subsequent executions
of the same script are needed helping to increase the overall PHP application
performance. The use of Windows Cache Extension for PHP allows the PHP
bytecode to be generated only once and to be reused each time the same PHP
script is executed.
Reduce file system I/O overhead by caching the PHP scripts in memory

Windows Cache Extension for PHP helps to reduce the latency of file
operations when PHP scripts are stored on remote UNC file shares. Windows
Cache Extension for PHP includes a file system cache that is used to store
the content of the PHP script files in shared memory, which reduces the
amount of file system operations performed by PHP engine.
Avoid redundant mapping for absolute paths by using relative file path cache

Windows Cache Extension for PHP caches the relation between relative and
absolute file paths, reducing the number of relative path resolutions
performed by the PHP engine. PHP applications that use many relative paths
would perform faster given the conversion to absolute paths is performed only
once.
Features

    * PHP 5.2 and PHP 5.3 support
    * Configurable file cache
    * Configurable PHP opcode cache
    * Relative file path cache
    * PHP functions to obtain information about the cache status

http://www.iis.net/extensions/WinCacheForPHP

http://blogs.msdn.com/webdevelopertips/archive/2009/09/01/tip-92-did-you
-know-how-to-improve-the-performance-of-php-application-on-windows.aspx

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