Benchmark: Test pass-first efficiency

Tests:

pass first
if(true || false || false || false){ return true; }
pass last
if(false || false || false || true){ return true; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
pass first
pass last

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):

LLMs can make mistakes. Check important info.

I'd be happy to explain the JavaScript microbenchmark on MeasureThat.net.

**Benchmark Description**

The benchmark is designed to test the efficiency of evaluating a conditional statement with multiple `true` or `false` values in an "or" expression. The benchmark consists of two individual test cases:

1. "pass first": This test case evaluates an if-statement that checks for `true || false || false || false`. Since the first value is `true`, the entire condition becomes `true`.
2. "pass last": This test case evaluates an if-statement that checks for `false || false || false || true`. The values are evaluated from left to right, and since the last value is `true`, the entire condition becomes `true`.

**Options Compared**

The benchmark compares two approaches:

1. **Passing from left to right**: In this approach, each value in the "or" expression is evaluated from left to right.
2. **Passing from right to left**: This approach evaluates values from right to left.

**Pros and Cons of Each Approach**

**Passing from Left to Right:**

Pros:

* More intuitive for developers who are familiar with the traditional if-statement syntax.
* Can be easier to understand for people who are not experienced with JavaScript.

Cons:

* In some cases, it can lead to unnecessary computations when a value is `true` and subsequent values become irrelevant.

**Passing from Right to Left:**

Pros:

* Avoids unnecessary computations by short-circuiting as soon as a `true` value is encountered.
* Can be more efficient in terms of performance, especially for large expressions with multiple `false` values.

Cons:

* May require additional explanation and understanding for developers who are not familiar with this syntax.
* The syntax can look less intuitive to some people.

**Library Used**

There is no library explicitly mentioned in the benchmark definition. However, the benchmark code does use basic JavaScript functionality, such as the if-statement and the "or" operator.

**Special JS Feature or Syntax**

This benchmark uses a feature of JavaScript called short-circuit evaluation, which allows the engine to optimize expressions by evaluating them from left to right only when necessary. This is an optimization technique that helps prevent unnecessary computations.

**Other Alternatives**

If you're interested in exploring more microbenchmarks or testing different programming languages, MeasureThat.net also offers benchmarks for other topics, such as:

* Array operations
* Object manipulation
* Regular expressions
* String concatenation
* and many more!

Keep in mind that the availability of benchmark results might vary depending on the specific topic or language you're interested in testing.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.182 Safari/537.36

Browser/OS: Chrome 88 on Windows

View result in a separate tab

Test name	Executions per second
pass first	787463616.0 Ops/sec
pass last	786141568.0 Ops/sec

Related benchmarks:

Test pass-first efficiency (version: 0)

Comparing performance of: pass first vs pass last

Created: 3 years ago by: Guest

Jump to the latest result

pass first

pass last

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 29 days ago):