Benchmark: AND logical vs ternary and IF

AND logical vs ternary and IF (version: 0)

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).

Comparing performance of: IF Logic vs Ternary Logic vs AND Logic vs IF Logic with sloppy variable handling vs Ternary Logic with sloppy variable handling vs AND Logic with sloppy variable handling

Created: 9 years ago by: Guest

Jump to the latest result

Script Preparation code:

var a = 10;
var b = 2;
var c = 0;

var curObj = {
  a : a,
  b : b,
  c : c
};
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;
IF Logic with sloppy variable handling
if(curObj.b){ nonZeroDivisorResult = curObj.a/curObj.b; } else{ nonZeroDivisorResult = 0; } if(curObj.c){ zeroDivisorResult = curObj.a/curObj.c; } else{ zeroDivisorResult = 0; }
Ternary Logic with sloppy variable handling
nonZeroDivisorResult = curObj.b ? curObj.a/curObj.b : 0; zeroDivisorResult = curObj.c ? curObj.a/curObj.c : 0;
AND Logic with sloppy variable handling
nonZeroDivisorResult = curObj.b && curObj.a/curObj.b; zeroDivisorResult = curObj.c && curObj.a/curObj.c;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
IF Logic
Ternary Logic
AND Logic
IF Logic with sloppy variable handling
Ternary Logic with sloppy variable handling
AND Logic with sloppy variable handling

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what is tested on MeasureThat.net.

The benchmark tests different approaches for performing logical checks to avoid division by zero errors. The goal is to determine which approach is faster, as it can significantly impact performance in certain scenarios.

**Tested Approaches:**

1. **Traditional IF-ELSE Logic**: This approach uses a traditional if-else statement to check if the divisor (b or c) is non-zero and performs division accordingly.
2. **Ternary Operator**: This approach uses the ternary operator (?:) to perform a conditional operation, which can be more concise but may also lead to performance issues due to the overhead of parsing and evaluating the expression.
3. **Logical AND Operator**: This approach uses the logical AND operator (&&) to check if both conditions are true before performing division.
4. **Ternary Operator with sloppy variable handling**: Similar to the previous approach, but uses the ternary operator with variables that may not be checked for null or undefined values.

**Pros and Cons of each Approach:**

*   Traditional IF-ELSE Logic:
    *   Pros:
        *   Easy to understand and maintain
        *   Can be optimized for performance using techniques like caching and memoization
    *   Cons:
        *   May lead to slower execution times due to the overhead of parsing and evaluating the condition
*   Ternary Operator:
    *   Pros:
        *   More concise than traditional if-else logic
    *   Cons:
        *   Can be less readable and maintainable, especially for complex expressions
        *   May lead to slower execution times due to the overhead of parsing and evaluating the expression
*   Logical AND Operator:
    *   Pros:
        *   Can avoid some of the overhead associated with traditional if-else logic
    *   Cons:
        *   May be less readable and maintainable, especially for complex expressions
        *   Requires careful consideration of the operator precedence to ensure correct behavior
*   Ternary Operator with sloppy variable handling:
    *   Pros:
        *   Similar to the previous approach but uses variables that may not be checked for null or undefined values
    *   Cons:
        *   May lead to slower execution times due to the overhead of parsing and evaluating the expression
        *   Requires careful consideration of potential errors and edge cases

**Other Considerations:**

*   **Null and Undefined Checks**: Some approaches may require additional checks for null and undefined variables to avoid runtime errors.
*   **Cache and Memoization**: Optimizations like caching and memoization can be applied to improve performance for repeated executions of the same expression.

**Alternatives:**

*   **Dynamic Dispatch**: Instead of using a fixed set of operators, you could use dynamic dispatch to select the operator based on the input values.
*   **Just-In-Time (JIT) Compilation**: You could use JIT compilation to generate optimized machine code for each approach, which can lead to significant performance improvements.
*   **Lazy Evaluation**: You could use lazy evaluation techniques to delay the execution of expressions until their values are actually needed.

In conclusion, the choice of approach depends on factors such as readability, maintainability, and performance requirements. By understanding the pros and cons of each approach, you can make an informed decision about which one to use in your specific scenario.

Related benchmarks: