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<?php function fibo($n) { if ($n == 0) { return 0; } if ($n == 1) { return 1; } return fibo($n - 1) + fibo($n - 2); } $func = Jit::jit("fibo"); $order = 35; echo "Fibo($order):\n"; $s = microtime(true); var_dump($func($order)); $e = microtime(true); echo "JIT In " . ($e - $s) . " Seconds\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DZFPE
function name:  (null)
number of ops:  28
compiled vars:  !0 = $func, !1 = $order, !2 = $s, !3 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_STATIC_METHOD_CALL                                  'Jit', 'jit'
          1        SEND_VAL_EX                                              'fibo'
          2        DO_FCALL                                      0  $4      
          3        ASSIGN                                                   !0, $4
   15     4        ASSIGN                                                   !1, 35
   17     5        ROPE_INIT                                     3  ~8      'Fibo%28'
          6        ROPE_ADD                                      1  ~8      ~8, !1
          7        ROPE_END                                      2  ~7      ~8, '%29%3A%0A'
          8        ECHO                                                     ~7
   19     9        INIT_FCALL                                               'microtime'
         10        SEND_VAL                                                 <true>
         11        DO_ICALL                                         $10     
         12        ASSIGN                                                   !2, $10
   20    13        INIT_FCALL                                               'var_dump'
         14        INIT_DYNAMIC_CALL                                        !0
         15        SEND_VAR_EX                                              !1
         16        DO_FCALL                                      0  $12     
         17        SEND_VAR                                                 $12
         18        DO_ICALL                                                 
   21    19        INIT_FCALL                                               'microtime'
         20        SEND_VAL                                                 <true>
         21        DO_ICALL                                         $14     
         22        ASSIGN                                                   !3, $14
   22    23        SUB                                              ~16     !3, !2
         24        CONCAT                                           ~17     'JIT+In+', ~16
         25        CONCAT                                           ~18     ~17, '+Seconds%0A'
         26        ECHO                                                     ~18
         27      > RETURN                                                   1

Function fibo:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DZFPE
function name:  fibo
number of ops:  18
compiled vars:  !0 = $n
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        IS_EQUAL                                                 !0, 0
          2      > JMPZ                                                     ~1, ->4
    5     3    > > RETURN                                                   0
    7     4    >   IS_EQUAL                                                 !0, 1
          5      > JMPZ                                                     ~2, ->7
    8     6    > > RETURN                                                   1
   10     7    >   INIT_FCALL_BY_NAME                                       'fibo'
          8        SUB                                              ~3      !0, 1
          9        SEND_VAL_EX                                              ~3
         10        DO_FCALL                                      0  $4      
         11        INIT_FCALL_BY_NAME                                       'fibo'
         12        SUB                                              ~5      !0, 2
         13        SEND_VAL_EX                                              ~5
         14        DO_FCALL                                      0  $6      
         15        ADD                                              ~7      $4, $6
         16      > RETURN                                                   ~7
   11    17*     > RETURN                                                   null

End of function fibo

Generated using Vulcan Logic Dumper, using php 8.0.0


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