Opcache Control Panel

Details Files Reset Recheck Refresh
memory
384M
325M84%free
59M15%used
0wasted
keys
128K
126K98%free
1231scripts
557wasted
hits
140K
138K98%hits
22141%misses
0blacklist
restarts
0
0manual
0keys
0memory

general

Hostizx3m5drpvmsfnz
PHP VersionPHP 7.0.30 apache2handler Linux
Opcache VersionZend OPcache 7.0.30
Uptime1 hour and 55 minutes

memory

Used Memory59.1M
Free Memory324.9M
Wasted Memory0
Current Wasted Percentage0

statistics

Num Cached Scripts1231
Num Cached Keys1788
Max Cached Keys130987
Hits141343
Oom Restarts0
Hash Restarts0
Manual Restarts0
Misses2214
Blacklist Misses0
Blacklist Miss Ratio0
Opcache Hit Rate98.5

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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