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Run results for: AND logical vs ternary and IF

In trying to avoid division by 0, a common alternative is to check if the divisor is 0 and if so then the result becomes 0 (with error logging taking place elsewhere).

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
IF Logic 1750804.1 Ops/sec
Ternary Logic 1743260.2 Ops/sec
AND Logic 1724670.4 Ops/sec
Script Preparation code:
​x
 
var a = 10;
var b = 2;
var c = 0;
​
var nonZeroDivisorResult = 0;
var zeroDivisorResult = 0;
Tests:

  • IF Logic

     
    if(b){
      nonZeroDivisorResult = a/b;
    }
    else{
      nonZeroDivisorResult = 0;
    }
    ​
    if(c){
      zeroDivisorResult = a/c;
    }
    else{
      zeroDivisorResult = 0;
    }

  • Ternary Logic

     
    nonZeroDivisorResult = b ? a/b : 0;
    zeroDivisorResult = c ? a/c : 0;

  • AND Logic

     
    nonZeroDivisorResult = b && a/b;
    zeroDivisorResult = c && a/c;