PHP development

L1 cache reference ......................... 0.5 ns Branch mispredict ............................ 5 ns L2 cache reference ........................... 7 ns Mutex lock/unlock ........................... 25 ns Main memory reference ...................... 100 ns Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs SSD random read ........................ 150,000 ns  = 150 µs Read 1 MB sequentially from memory ..... 250,000 ns  = 250 µs Round trip within same datacenter ...... 500,000 ns  = 0.5 ms Read 1 MB sequentially from SSD* ..... 1,000,000 ns  =   1 ms Disk seek ........................... 10,000,000 ns  =  10 ms Read 1 MB sequentially from disk .... 20,000,000 ns  =  20 ms Send packet CA->Netherlands->CA .... 150,000,000 ns  = 150 ms

A brief description of best practices.

Comprehensive guide about music recognition and signal processing, including algorithms and schemas.

Design and overview of high-performance bootstrap launcher in conjunction with event-driven, non-blocking I/O ReactPHP.

Web security slides.

Today, we are happy to announce FastCGI support for HHVM. FastCGI is a popular protocol for communication between an application server (e.g. running your PHP code) and a webserver. With support for FastCGI, you will be able to run HHVM behind any popular web server (Apache, Nginx, Lighttpd, etc).