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<?php function getNumbers($count) { $numbers = range(1, $count); shuffle($numbers); return $numbers; } function sumOfRemaindersOriginal($numbers) { $resSum = 0; $len = count($numbers); if($len == 1) return 0; for($i=0; $i<$len; $i++) for($j=0; $j<$len; $j++) $resSum += $numbers[$i]%$numbers[$j]; return $resSum; } function sumOfRemainders($numbers) { $sum = 0; if (1 === count($numbers)) { return 0; } foreach ($numbers as $a) foreach ($numbers as $b) $sum += $a % $b; return $sum; } print "Setting up "; $start = microtime(true); $numbers = getNumbers(2000); $end = microtime(true); print count($numbers) . " numbers in " . ($end - $start) . "\n"; print "Running 'sumOfRemaindersOriginal' in "; $start = microtime(true); $x = sumOfRemaindersOriginal($numbers); $end = microtime(true); print ($end - $start) . " Result: " . $x . "\n"; print "Running 'sumOfRemainders' in "; $start = microtime(true); $x = sumOfRemainders($numbers); $end = microtime(true); $time = $end - $start; print ($end - $start) . " Result: " . $x . "\n";

Abusive script

This script was stopped while abusing our resources

Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HCBeH
function name:  (null)
number of ops:  58
compiled vars:  !0 = $start, !1 = $numbers, !2 = $end, !3 = $x, !4 = $time
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   36     0  E >   ECHO                                                     'Setting+up+'
   37     1        INIT_FCALL                                               'microtime'
          2        SEND_VAL                                                 <true>
          3        DO_ICALL                                         $5      
          4        ASSIGN                                                   !0, $5
   38     5        INIT_FCALL                                               'getnumbers'
          6        SEND_VAL                                                 2000
          7        DO_FCALL                                      0  $7      
          8        ASSIGN                                                   !1, $7
   39     9        INIT_FCALL                                               'microtime'
         10        SEND_VAL                                                 <true>
         11        DO_ICALL                                         $9      
         12        ASSIGN                                                   !2, $9
   40    13        COUNT                                            ~11     !1
         14        CONCAT                                           ~12     ~11, '+numbers+in+'
         15        SUB                                              ~13     !2, !0
         16        CONCAT                                           ~14     ~12, ~13
         17        CONCAT                                           ~15     ~14, '%0A'
         18        ECHO                                                     ~15
   43    19        ECHO                                                     'Running+%27sumOfRemaindersOriginal%27+in+'
   44    20        INIT_FCALL                                               'microtime'
         21        SEND_VAL                                                 <true>
         22        DO_ICALL                                         $16     
         23        ASSIGN                                                   !0, $16
   45    24        INIT_FCALL                                               'sumofremaindersoriginal'
         25        SEND_VAR                                                 !1
         26        DO_FCALL                                      0  $18     
         27        ASSIGN                                                   !3, $18
   46    28        INIT_FCALL                                               'microtime'
         29        SEND_VAL                                                 <true>
         30        DO_ICALL                                         $20     
         31        ASSIGN                                                   !2, $20
   47    32        SUB                                              ~22     !2, !0
         33        CONCAT                                           ~23     ~22, '+Result%3A+'
         34        CONCAT                                           ~24     ~23, !3
         35        CONCAT                                           ~25     ~24, '%0A'
         36        ECHO                                                     ~25
   50    37        ECHO                                                     'Running+%27sumOfRemainders%27+++++++++in+'
   51    38        INIT_FCALL                                               'microtime'
         39        SEND_VAL                                                 <true>
         40        DO_ICALL                                         $26     
         41        ASSIGN                                                   !0, $26
   52    42        INIT_FCALL                                               'sumofremainders'
         43        SEND_VAR                                                 !1
         44        DO_FCALL                                      0  $28     
         45        ASSIGN                                                   !3, $28
   53    46        INIT_FCALL                                               'microtime'
         47        SEND_VAL                                                 <true>
         48        DO_ICALL                                         $30     
         49        ASSIGN                                                   !2, $30
   54    50        SUB                                              ~32     !2, !0
         51        ASSIGN                                                   !4, ~32
   55    52        SUB                                              ~34     !2, !0
         53        CONCAT                                           ~35     ~34, '+Result%3A+'
         54        CONCAT                                           ~36     ~35, !3
         55        CONCAT                                           ~37     ~36, '%0A'
         56        ECHO                                                     ~37
         57      > RETURN                                                   1

Function getnumbers:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HCBeH
function name:  getNumbers
number of ops:  11
compiled vars:  !0 = $count, !1 = $numbers
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 1
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        ASSIGN                                                   !1, $2
    5     6        INIT_FCALL                                               'shuffle'
          7        SEND_REF                                                 !1
          8        DO_ICALL                                                 
    6     9      > RETURN                                                   !1
    7    10*     > RETURN                                                   null

End of function getnumbers

Function sumofremaindersoriginal:
Finding entry points
Branch analysis from position: 0
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 = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 9
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 11
Branch analysis from position: 18
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 9
Branch analysis from position: 21
Branch analysis from position: 9
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 18, Position 2 = 11
Branch analysis from position: 18
Branch analysis from position: 11
filename:       /in/HCBeH
function name:  sumOfRemaindersOriginal
number of ops:  23
compiled vars:  !0 = $numbers, !1 = $resSum, !2 = $len, !3 = $i, !4 = $j
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
   10     1        ASSIGN                                                   !1, 0
   11     2        COUNT                                            ~6      !0
          3        ASSIGN                                                   !2, ~6
   13     4        IS_EQUAL                                                 !2, 1
          5      > JMPZ                                                     ~8, ->7
   14     6    > > RETURN                                                   0
   16     7    >   ASSIGN                                                   !3, 0
          8      > JMP                                                      ->19
   17     9    >   ASSIGN                                                   !4, 0
         10      > JMP                                                      ->16
   18    11    >   FETCH_DIM_R                                      ~11     !0, !3
         12        FETCH_DIM_R                                      ~12     !0, !4
         13        MOD                                              ~13     ~11, ~12
         14        ASSIGN_OP                                     1          !1, ~13
   17    15        PRE_INC                                                  !4
         16    >   IS_SMALLER                                               !4, !2
         17      > JMPNZ                                                    ~16, ->11
   16    18    >   PRE_INC                                                  !3
         19    >   IS_SMALLER                                               !3, !2
         20      > JMPNZ                                                    ~18, ->9
   19    21    > > RETURN                                                   !1
   20    22*     > RETURN                                                   null

End of function sumofremaindersoriginal

Function sumofremainders:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 15
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 15
Branch analysis from position: 8
2 jumps found. (Code = 77) Position 1 = 9, Position 2 = 13
Branch analysis from position: 9
2 jumps found. (Code = 78) Position 1 = 10, Position 2 = 13
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 13
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
filename:       /in/HCBeH
function name:  sumOfRemainders
number of ops:  18
compiled vars:  !0 = $numbers, !1 = $sum, !2 = $a, !3 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   RECV                                             !0      
   23     1        ASSIGN                                                   !1, 0
   25     2        COUNT                                            ~5      !0
          3        IS_IDENTICAL                                             ~5, 1
          4      > JMPZ                                                     ~6, ->6
   26     5    > > RETURN                                                   0
   29     6    > > FE_RESET_R                                       $7      !0, ->15
          7    > > FE_FETCH_R                                               $7, !2, ->15
   30     8    > > FE_RESET_R                                       $8      !0, ->13
          9    > > FE_FETCH_R                                               $8, !3, ->13
   31    10    >   MOD                                              ~9      !2, !3
         11        ASSIGN_OP                                     1          !1, ~9
   30    12      > JMP                                                      ->9
         13    >   FE_FREE                                                  $8
   29    14      > JMP                                                      ->7
         15    >   FE_FREE                                                  $7
   33    16      > RETURN                                                   !1
   34    17*     > RETURN                                                   null

End of function sumofremainders

Generated using Vulcan Logic Dumper, using php 8.0.0


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141.38 ms | 1021 KiB | 20 Q