Benchmark: Math speed test - MeasureThat.net

Tests:

1 + 1
var x = 1+1;
1 + 2
var x = 1+2;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1 + 1
1 + 2

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

Browser/OS: Chrome 65 on Mac OS X 10.13.1

View result in a separate tab

Test name	Executions per second
1 + 1	1493131008.0 Ops/sec
1 + 2	1514560384.0 Ops/sec

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

LLMs can make mistakes. Check important info.

Measuring JavaScript performance!

Let's dive into the provided benchmark definition and test cases.

**What is tested?**

The provided JSON represents a simple JavaScript microbenchmark that tests the execution speed of basic arithmetic operations, specifically addition (`1 + 2` and `1 + 1`). The benchmark measures the time it takes to execute these expressions in different environments, which are represented by various browsers and devices.

**Options compared:**

Two options are being compared:

1. **Expression Execution**: The benchmark tests how quickly each expression is executed. In this case, there's only one executable expression (`var x = 1+2;` and `var x = 1+1;`) for each test case.
2. **Browser/Environment Variability**: The benchmark measures the performance differences across various browsers (Chrome 65) and devices (Other, Mac OS X 10.13.1).

**Pros and Cons:**

* **Expression Execution**:
	+ Pros: Provides a clear understanding of how individual expressions perform in different environments.
	+ Cons: May not accurately represent real-world scenarios, where expressions are often nested or part of larger code blocks.
* **Browser/Environment Variability**:
	+ Pros: Offers insights into performance differences between browsers and devices, which can help identify potential issues or optimization opportunities.
	+ Cons: May be affected by various factors beyond just the JavaScript engine's execution speed (e.g., network latency, disk I/O, etc.).

**Library usage:**

There is no library explicitly mentioned in the provided JSON. However, it's worth noting that most modern browsers use V8 (Chrome) or SpiderMonkey (Firefox) as their primary JavaScript engines, which are optimized for performance.

**Special JS features/syntax:**

None are explicitly mentioned in the provided benchmark definition. However, keep in mind that JavaScript is a dynamic language with many features and syntaxes, such as async/await, promises, closures, etc., which might impact execution speed.

**Other alternatives:**

If you're interested in exploring other benchmarks or testing frameworks for JavaScript performance, here are some popular alternatives:

* jsperf (now deprecated)
* Benchmark.js
* WebPageTest
* PerfTools
* Node.js built-in `performance.now()` and `process.cpuUsage` functions

These tools offer various ways to measure JavaScript performance, including execution speed, memory usage, and more.

When preparing a benchmark, consider the following best practices:

1. Keep your test cases concise and focused on specific aspects of your application.
2. Use meaningful names for your variables, functions, and test cases.
3. Ensure that your test environment is consistent across all runs.
4. Test with different browsers, devices, or environments to identify performance differences.

By following these guidelines and using the right tools, you can create accurate and informative benchmarks that help you optimize your JavaScript code for better performance.

Related benchmarks:

Math speed test (version: 0)

Comparing performance of: 1 + 1 vs 1 + 2

Created: 6 years ago by: Guest

Jump to the latest result

1 + 1

1 + 2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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