Benchmark: Checking fiat currencies

Script Preparation code:

var SYMBOL ="USD";
var FIAT_CURRENCY_CODES_ARRAY = ['USD', 'EUR', 'GBP', 'CAD'];
var FIAT_CURRENCY_CODES_SET = new Set(FIAT_CURRENCY_CODES_ARRAY);

Tests:

Boolean check
SYMBOL === SYMBOL
Array check
FIAT_CURRENCY_CODES_ARRAY.includes(SYMBOL)
Set check
FIAT_CURRENCY_CODES_SET.has(SYMBOL)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Boolean check
Array check
Set check

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

**Benchmark Explanation**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark measures the performance of three different data structure operations: boolean checking, array lookup, and set membership.

The test cases are designed to compare the performance of these operations using two main approaches:

1. **Direct Comparison**: In this approach, the value of a variable is directly compared with itself (`SYMBOL === SYMBOL`). This is likely to be the fastest operation since it involves no branching or indirect comparisons.
2. **Lookup in Data Structure**: The second approach involves looking up the value of `SYMBOL` in an array (`FIAT_CURRENCY_CODES_ARRAY.includes(SYMBOL)`) and a set (`FIAT_CURRENCY_CODES_SET.has(SYMBOL)`). These operations involve searching for a specific element within the data structure, which can be slower than direct comparison.

**Pros and Cons**

* **Direct Comparison**: Pros:
	+ Fastest possible operation
	+ No branching or indirect comparisons involved
	Cons:
	+ Limited practical use cases (e.g., checking if a variable has a specific value)
* **Lookup in Data Structure**: Pros:
	+ More practical use cases (e.g., finding an element within an array or set)
	Cons:
	+ Slower than direct comparison due to the search operation
	+ May involve branching or indirect comparisons, depending on the data structure implementation

**Library and Purpose**

In this benchmark, two libraries are used:

1. `Set`: A data structure that stores unique values in a specific order. In this case, it's used to store an array of fiat currency codes.
2. No additional library is explicitly mentioned for the JavaScript engine or browser.

**Special JS Feature/Syntax**

No special JavaScript feature or syntax is highlighted in this benchmark.

**Other Alternatives**

If you're looking for alternatives to MeasureThat.net, consider the following options:

1. **jsperf**: A popular online JavaScript performance testing platform that allows users to create and run benchmarks.
2. **Benchmark.js**: A lightweight JavaScript library for creating and running benchmarks.
3. **Bench**: A command-line tool for creating and running JavaScript benchmarks.

Keep in mind that each of these alternatives has its own strengths and weaknesses, and may offer different features or trade-offs depending on your specific use case.

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Browser/OS: Chrome 116 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Boolean check	15972529.0 Ops/sec
Array check	15260553.0 Ops/sec
Set check	12256816.0 Ops/sec

Related benchmarks:

Checking fiat currencies (version: 0)

Comparing performance of: Boolean check vs Array check vs Set check

Created: one year ago by: Guest

Jump to the latest result

Boolean check

Array check

Set check

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):