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test pow
(version: 0)
just to test Math.pow
Comparing performance of:
just Math.pow vs again
Created:
9 years ago
by:
Registered User
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Tests:
just Math.pow
var a = Math.pow(10, -15 / 20);
again
var a = Math.pow(10, -10 / 20);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
just Math.pow
again
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark definition and test cases. **Benchmark Definition** The benchmark definition is a simple JavaScript code snippet that tests the `Math.pow` function. Specifically, it calculates the result of `10` raised to the power of `-15/20`. The benchmark definition itself is not an executable code, but rather a template for creating test cases. **Options Compared** In this benchmark, two different options are compared: 1. **`-15 / 20`**: This option uses integer division, which will result in `-0`, because the `/` operator performs integer division when both operands are integers. 2. **`-10 / 20`**: This option also uses integer division, but with a different set of numbers. **Pros and Cons** The choice between these two options can affect the performance of the `Math.pow` function: * Using `-15 / 20` may lead to better performance because the result is more likely to be zero, which can be optimized by the JavaScript engine. * Using `-10 / 20` may lead to slower performance if the result is not exactly zero, as the engine might need to perform additional calculations. Other considerations: * The benchmark doesn't consider floating-point division, which would result in a non-zero value. This might be relevant for more complex use cases. * The `Math.pow` function can also be optimized by the JavaScript engine if the base and exponent are known at compile-time. However, this is not relevant to this specific benchmark. **Library** In neither of the test cases is there a library being used explicitly. However, the `Math` object is implicitly included, which provides access to mathematical functions like `pow`. **Special JS Feature/Syntax** There are no special JavaScript features or syntax used in these test cases. **Alternatives** If you wanted to create similar benchmarks using MeasureThat.net, you could add more test cases with different options, such as: * Using floating-point division (`-15 / 20.0` vs. `-10 / 20.0`) * Using a different base or exponent * Including other mathematical functions from the `Math` object For example: ```json { "Benchmark Definition": "var a = Math.pow(2, -10);", "Test Name": "exponentiation" } ``` Keep in mind that you can also create benchmarks using MeasureThat.net's built-in features, such as measuring the execution time of specific code snippets or comparing different implementations.
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