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BigInt vs ParseInt
(version: 0)
Compares whether BigInt or parseInt is faster for converting large strings to an int-comparable format
Comparing performance of:
BigInt vs parseInt
Created:
3 years ago
by:
Guest
Go to the latest result
Script Preparation code:
a = '1670439601590290615' b = '1670439601590292475'
Tests:
BigInt
BigInt(a) <= BigInt(b);
parseInt
parseInt(a) <= parseInt(b);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
BigInt
parseInt
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Browser/OS:
Chrome 127 on Linux
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=587431" width="100%" height="500px"></iframe>
BigInt
4.7M/s
parseInt
4.1M/s
View exact numbers
Test name
Executions per second
✓
BigInt
4,681,534 Ops/sec
parseInt
4,140,075 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the benchmark and its options. **What is tested?** The benchmark compares two approaches for converting large strings to an integer-comparable format: 1. `BigInt(a) <= BigInt(b)` 2. `parseInt(a) <= parseInt(b)` Here, `a` and `b` are large strings containing a very big number (1670439601590290615). **Options compared** The two options being compared are: 1. **BigInt**: A JavaScript primitive type introduced in ECMAScript 2019 for representing arbitrary-precision integers. 2. **parseInt**: A built-in JavaScript function that converts a string to an integer, but may lose precision or introduce errors for very large numbers. **Pros and Cons of each approach** * **BigInt** + Pros: - Can accurately represent extremely large integers without loss of precision. - Provides a more precise and reliable way of working with integers in JavaScript. + Cons: - Is a relatively new feature, so not all browsers support it (as seen in the benchmark results). - May have performance implications due to its internal workings. * **parseInt** + Pros: - Widely supported by most browsers and engines. - Fast execution speed, as it's an optimized function. + Cons: - May lose precision or introduce errors for very large numbers. - Limited range of values that can be accurately represented. **Library/Function usage** The benchmark uses the `parseInt` function to convert the strings to integers. Note that `parseInt` has some nuances, such as: * By default, `parseInt` will return 0 if it cannot parse the string to an integer. * If you pass a second argument (the radix), `parseInt` can convert the string using a different base (e.g., hexadecimal). **Special JS feature/syntax** This benchmark does not use any special JavaScript features or syntax. It's focused on comparing two straightforward approaches for converting strings to integers. **Other alternatives** If you were to modify this benchmark, you could consider adding other options, such as: * Using `Number` (a built-in JavaScript function that can convert strings to numbers) instead of `BigInt` or `parseInt`. * Using a third-party library like `Big.js` or `decimal.js` for precise arithmetic operations. * Adding more variations in the input data, such as different string representations or edge cases. Keep in mind that each alternative would introduce new factors to consider when designing and executing your benchmark.
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