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** vs pow
(version: 0)
Comparing performance of:
** vs Pow
Created:
4 years ago
by:
Guest
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Tests:
**
1 / 10 * 5
Pow
1 / Math.pow(10, 5)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
**
Pow
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of MeasureThat.net and explore what's being tested in this benchmark. **What is being tested?** The provided JSON represents a JavaScript microbenchmark that compares two approaches to calculate the value of 1/10 * 5: using the "**" operator (exponentiation) versus `Math.pow(10, -5)` (using the power method). In other words, we're testing which approach is faster and more efficient for this specific calculation. **Options compared** The two options being compared are: 1. **"`*`" (exponentiation)**: This operator raises the base number to a fractional exponent. In this case, `5` becomes the base, and `-5` is the fractional exponent. 2. **`Math.pow(10, -5)`**: This method uses the power function from the Math library to raise 10 to a negative exponent. **Pros and Cons of each approach** * Exponentiation (`"*"`): + Pros: Often faster than pure numerical calculations since it can utilize various optimizations like exponentiation by squaring. + Cons: May not be as straightforward for developers who aren't familiar with exponentiation or may lead to errors if not used correctly. * `Math.pow(10, -5)`: + Pros: More explicit and readable code, easier to understand for developers who are comfortable with numerical calculations. + Cons: May be slower than exponentiation due to the overhead of calling a function from the Math library. **Library usage** The benchmark uses the JavaScript built-in `Math.pow()` method to calculate the power. This is a built-in function that calculates the value of `base` raised to the exponent `exp`. In contrast, the `*` operator (exponentiation) is not explicitly defined in the standard JavaScript specification and may behave differently across browsers. **Other considerations** 1. **Browser differences**: The benchmark results might vary depending on the browser being used, as each browser may optimize or implement these operations differently. 2. **Performance overhead**: The execution time of these tests might also be influenced by factors like the CPU's capabilities, available memory, and system resources. **Alternatives to MeasureThat.net** If you're interested in running similar benchmarks, here are some alternatives: 1. Benchmarking frameworks: * Benchmark.js * Microbenchmark * Benchmark-chrome 2. Online benchmarking platforms: * jsperf (a fork of the original jsPerf) * BenchmarkUit Keep in mind that each platform may have its own strengths and weaknesses, and some might be more suitable for your specific needs than others.
Related benchmarks:
Math.pow() vs **
Math.pow vs ** with variables
Math.pow vs Exponentiation vs Multiplication
Math.pow vs Exponentiation vs Multiplication pow 4
Math.pow vs ** vs * (power of 2)
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