Benchmark: imul vs standard

Script Preparation code:

var x = 1;
var y = 2;

Tests:

lmul
Math.imul(x, y);
Standard
x * y

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lmul
Standard

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
lmul	169654064.0 Ops/sec
Standard	198848096.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**What is being tested?**

MeasureThat.net is testing two approaches to multiplying two numbers: `Math.imul(x, y)` and the standard multiplication operator `x * y`. The goal is to compare the performance of these two approaches on a variety of platforms and devices.

**Options compared:**

There are two options being compared:

1. **`Math.imul(x, y)`**: This is a method provided by the JavaScript Math object that multiplies two numbers using a 32-bit integer multiplication algorithm. It's designed to provide better performance than the standard multiplication operator for large integers.
2. **Standard multiplication operator `x * y`**: This is the traditional way of multiplying two numbers in JavaScript, which uses decimal arithmetic.

**Pros and cons:**

* **`Math.imul(x, y)`**:
	+ Pros: Provides better performance for large integers due to its optimized 32-bit integer multiplication algorithm.
	+ Cons: May not be as efficient for small integers or when the result can fit in a smaller data type (e.g., `int8`, `uint8`).
* **Standard multiplication operator `x * y`**:
	+ Pros: Simple and widely supported, with minimal overhead.
	+ Cons: May be slower than `Math.imul(x, y)` for large integers due to its decimal arithmetic.

**Library and purpose:**

In this benchmark, the `Math` library is used, which provides various mathematical functions and methods, including `Math.imul()`.

**Special JS feature or syntax:**

None of the code snippets in this benchmark use any special JavaScript features or syntax beyond what's considered standard.

Related benchmarks:

imul vs standard (version: 0)

Comparing performance of: lmul vs Standard

Created: 8 years ago by: Guest

Jump to the latest result

lmul

Standard

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 6 months ago):