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Checking fiat currencies
(version: 0)
Comparing performance of:
Boolean check vs Array check vs Set check
Created:
2 years ago
by:
Guest
Jump to the latest result
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>
Run tests (3)
Previous results
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Test case name
Result
Boolean check
Array check
Set check
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**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.
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