Opcache Control Panel

Details Files Reset Recheck Refresh
memory
128M
87M67%free
41M32%used
0wasted
keys
128K
126K98%free
1211scripts
984wasted
hits
8M
8M99%hits
1211misses
0blacklist
restarts
6
6manual
0keys
0memory

general

Hostleyizixun
PHP VersionPHP 7.1.10 fpm-fcgi Linux
Opcache VersionZend OPcache 7.1.10
Uptime2 years and 13 hours
Last Restart7 weeks ago

memory

Used Memory41.2M
Free Memory86.8M
Wasted Memory0
Current Wasted Percentage0

statistics

Num Cached Scripts1211
Num Cached Keys2195
Max Cached Keys130987
Hits7.8M
Oom Restarts0
Hash Restarts0
Manual Restarts6
Misses1211
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate100

functions

opcache_reset
opcache_invalidate
opcache_compile_file
opcache_is_script_cached
opcache_get_configuration
opcache_get_status

optimization levels

PassDescription
1Constants subexpressions elimination (CSE) true, false, null, etc.
Optimize series of ADD_STRING / ADD_CHAR
Convert CAST(IS_BOOL,x) into BOOL(x)
Convert INIT_FCALL_BY_NAME + DO_FCALL_BY_NAME into DO_FCALL
2Convert constant operands to expected types
Convert conditional JMP with constant operands
Optimize static BRK and CONT
3Convert $a = $a + expr into $a += expr
Convert $a++ into ++$a
Optimize series of JMP
4PRINT and ECHO optimization (defunct)
5Block Optimization - most expensive pass
Performs many different optimization patterns based on control flow graph (CFG)
9Optimize register allocation (allows re-usage of temporary variables)
10Remove NOPs
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