Benchmark: If and Cycles - inside or outside

Tests:

outside
const condition = true; let counter = 0; if (condition) for (let i = 0; i < 10; i++) counter += i; else for (let i = 0; i < 10; i++) counter += counter;
inside
const condition = true; let counter = 0; for (let i = 0; i < 10; i++) counter += condition ? i : counter;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
outside
inside

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.97 Safari/537.36 Edg/83.0.478.45

Browser/OS: Chrome 83 on Windows

View result in a separate tab

Test name	Executions per second
outside	78715120.0 Ops/sec
inside	79016392.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**Benchmark Definition**

The provided Benchmark Definition json represents a simple benchmark that measures the performance difference between two approaches: executing an if-else statement inside or outside a loop.

**Options Compared**

Two options are compared:

1. **Inside**: The condition is evaluated before the loop starts, and the body of the if-else statement is executed only when the condition is true.
2. **Outside**: The condition is evaluated within the loop itself, using the ternary operator (`condition ? i : counter`) to assign a value to `counter` based on the condition.

**Pros and Cons**

* **Inside**:
	+ Pros: Typically faster because the condition is evaluated only once, outside the loop.
	+ Cons: May not be as accurate for certain types of data or edge cases, since the condition is only evaluated once.
* **Outside**:
	+ Pros: More accurate for certain types of data or edge cases, since the condition is re-evaluated on each iteration.
	+ Cons: Typically slower because the condition is evaluated repeatedly within the loop.

**Library and Special JS Features**

There are no libraries mentioned in the Benchmark Definition json. However, the ternary operator (`condition ? i : counter`) uses a special JavaScript feature called "conditional operator" or "ternary operator," which allows for concise expression of simple if-else statements.

**Other Considerations**

The choice between inside and outside approaches depends on the specific requirements of the application. If accuracy is more important than performance, using the outside approach may be preferred. However, if speed is critical, the inside approach might be a better choice.

**Alternatives**

If you're looking for alternative benchmarks or approaches, MeasureThat.net offers a wide range of benchmarks and tests on various JavaScript features and libraries. Some examples include:

* Arithmetic operations (e.g., addition, multiplication, etc.)
* Data structures (e.g., arrays, objects, etc.)
* Algorithmic complexity (e.g., sorting, searching, etc.)
* Web browser-specific features (e.g., canvas rendering, WebGL, etc.)

Keep in mind that the specific options and alternatives will depend on the benchmark definition json and the desired scope of the test.

Related benchmarks:

If and Cycles - inside or outside (version: 0)

Comparing performance of: outside vs inside

Created: 4 years ago by: Guest

Jump to the latest result

outside

inside

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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