Benchmark: Operators and Complex

Script Preparation code:

var a = 2;
var b = 3;
var c = 4;
var d = 5;

Tests:

*
var x = 42 * 42;
+
var x = 42 + 42;
-
var x = 42 - 42;
/
var x = 42 / 42;
Complex Multiply
var u = a*c - b*d; var v = a*d + b*c;
Complex Multiply (x3)
var x = a*(c-d); var y = a+b; var z = a-b; var u = z*d + x; var v = y*c - x;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
*
+
-
/
Complex Multiply
Complex Multiply (x3)

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

**Overview**

The provided JSON represents a JavaScript microbenchmarking test case on the MeasureThat.net website. The benchmark tests various arithmetic operations and complex expressions to measure their performance.

**Benchmark Definition**

The `Name` field specifies that the benchmark is called "Operators and Complex". The `Description` field provides a brief explanation of what the benchmark measures, which is arithmetic operations.

**Script Preparation Code**

The `Script Preparation Code` section initializes four variables: `a`, `b`, `c`, and `d`, with values 2, 3, 4, and 5 respectively. This code is executed before running each test case to set up the benchmarking environment.

**Html Preparation Code**

There is no HTML preparation code specified for this benchmark.

**Individual Test Cases**

Each test case has a unique `Benchmark Definition` string that represents a specific arithmetic operation or expression. The test cases include:

1. Simple multiplication (`*`)
2. Addition (`+`)
3. Subtraction (`-`)
4. Division (`/`)
5. Complex Multiply (using variables `a`, `b`, `c`, and `d`)
6. Complex Multiply (x3), which is a more complex expression involving the same variables.

**Library Usage**

None of the test cases use any external libraries.

**Special JavaScript Features or Syntax**

There are no special JavaScript features or syntax used in these test cases, such as async/await, promises, or modernized syntax like `const`, `let`, and `export`.

**Pros and Cons of Different Approaches**

The different approaches used in the benchmark can be compared as follows:

* **Simple Operations (e.g., `*`)**: These operations are likely to be highly optimized by JavaScript engines, making them fast. However, they may not provide much insight into the engine's performance.
* **Complex Expressions**: These expressions involve multiple variables and arithmetic operations, which can provide more meaningful results about the engine's performance in handling complex scenarios.

**Pros of Using this Approach**

* Easy to set up and compare different benchmarking scenarios
* Allows for a wide range of test cases to be included

**Cons of Using this Approach**

* May not accurately represent real-world usage patterns
* Can be affected by the specific variables and values used in each test case

**Other Alternatives**

Alternative approaches to microbenchmarking JavaScript code include:

1. **Benchmarking libraries**: Libraries like Benchmark.js, Microbenchmark, or jsperf provide a structured way to write benchmarking tests and compare results.
2. **Performance profiling tools**: Tools like Chrome DevTools' Performance Profiler or Firefox's Performance Inspector can provide detailed information about the performance of specific JavaScript code snippets.
3. **Benchmarking frameworks**: Frameworks like BenchmarkSuite or js-benchmark provide a more comprehensive approach to microbenchmarking, allowing for easier comparison and analysis of results.

In conclusion, the MeasureThat.net website provides a simple yet effective way to perform microbenchmarking tests on JavaScript code. By understanding the different approaches used in these tests, developers can gain insights into the performance characteristics of their code and make informed decisions about optimization strategies.

Latest run results:

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

User agent: Mozilla/5.0 (iPhone; CPU OS 14_2_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) FxiOS/29.2 Mobile/15E148 Safari/605.1.15

Browser/OS: Mobile Safari 14 on iOS 14.2.1

View result in a separate tab

Test name	Executions per second
*	461351840.0 Ops/sec
+	455878784.0 Ops/sec
-	504362752.0 Ops/sec
/	423362304.0 Ops/sec
Complex Multiply	2543045.0 Ops/sec
Complex Multiply (x3)	2410121.2 Ops/sec

Related benchmarks:

Operators and Complex (version: 0)

Benchmarking arithmetic

Comparing performance of: * vs + vs - vs / vs Complex Multiply vs Complex Multiply (x3)

Created: 3 years ago by: Guest

Jump to the latest result

*

+

-

/

Complex Multiply

Complex Multiply (x3)

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):