Benchmarks. PHP-FPM + OPcache vs HipHop vs Si vs kPHP
Intel Dual Core 1.60GHz, 8Gg RAM
PHP-FPM (PHP 5.5.3) + OPcache
HipHop VM 2.4.0 (rel)
As a web north acted nginx/1.4.1 (Ubuntu)
Counting million decimal of Pi
Was equivalent code written in php and C to calculate the number Pi million mark by the formula Bailey — Borueyna — Plaffa.
PHP-FPM: Server:37.86687 s. Mem: 0.5 Mb
HHVM: Server:12.00476 s. Mem: 0.19 Mb
Pure C compiler gcc: 3.9662 s. (php still has room to grow :)
Calculation of PI (100,000,000 iterations)
As kPHP does not work type double, had to make a simpler test.
PHP 5.5.3: 0m17.935s
Assistant Game blockhead
PHP-FPM: Server:0.04178 s. Mem: 10.75 Mb
HHVM: Server:0.00742 s. Mem: 0.32 Mb
Page static content
PHP-FPM: Server:0.00249 s. Mem: 0.5 Mb
HHVM: Server:0.00218 s. Mem: 0.17 Mb
* Memory was measured after memory_get_peak_usage(1)
Issues when migrating from PHP 5.5 on HHVM:
"Bad" krasheli memcache keys for the entire server. Had to be replaced by md5(key)
HipHop Warning: Unable to handle compressed values yet (memcache)Parameter 1 to function(&$p1) expected to be a reference, value given
Appeared predefined class map. Had in his code to rename.
php.ini The default is not connected (You can connect the server.hdf IniFile = /etc/hhvm/php.ini), phpinfo() will plug
No destructor auto shutdown script
HipHop Warning: Out of bounds $this->value == '-' , if $this->value = ''
HipHop Warning: Failed to write session data (user). Please verify that the current setting of session.save_path is correct ()