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Math.max/min vs if vs ternary operator
(version: 0)
Comparing performance of:
Math.max/min vs if vs ternary
Created:
7 years ago
by:
Registered User
Jump to the latest result
Script Preparation code:
this.number = Math.random() * 1000;
Tests:
Math.max/min
return Math.max(250, Math.min(750, this.number));
if
var number = this.number; if(number < 250) return 250; if(number > 750) return 750; return number;
ternary
var number = this.number; return number < 250 ? 250 : (number > 750 ? 750 : number);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
Math.max/min
if
ternary
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
3 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:147.0) Gecko/20100101 Firefox/147.0
Browser/OS:
Firefox 147 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=624697" width="100%" height="500px"></iframe>
Test name
Executions per second
Math.max/min
51330016.0 Ops/sec
if
847250496.0 Ops/sec
ternary
834510592.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. The provided JSON represents a benchmark that compares three different approaches to find the maximum or minimum value between two numbers: `Math.max`, `if` statement, and ternary operator (`?:`). We'll break down each option, its pros and cons, and any relevant considerations. **1. Math.max/min** This approach uses the built-in `Math.max` or `Math.min` functions to find the maximum or minimum value between two numbers. The JavaScript engine can optimize these functions internally, making them a good choice for benchmarks that involve mathematical operations. Pros: * Fast execution speed due to native implementation * Low overhead compared to other approaches Cons: * Limited control over the calculation process * May not be suitable for custom or complex calculations **2. if statement** This approach uses an `if` statement to check the conditions and return the corresponding value. This method allows for more control over the calculation process but can be slower than the `Math.max/min` approach due to the overhead of the conditional checks. Pros: * More control over the calculation process * Suitable for custom or complex calculations Cons: * Slower execution speed compared to `Math.max/min` * More overhead due to conditional checks **3. ternary operator (?:)** The ternary operator is a shorthand way to write an `if` statement in a single expression. This approach combines the benefits of both the `if` statement and `Math.max/min`. Pros: * Balanced execution speed, neither too fast nor too slow * Compact code, making it easier to read and maintain Cons: * May be slightly slower than `Math.max/min` * Less control over the calculation process compared to `if` statements **Library usage:** In this benchmark, there is no explicit library usage. However, it's worth noting that some libraries like `lodash` or `ramda` can provide optimized functions for mathematical operations, which might affect the benchmark results. **Special JS features or syntax:** None of the provided benchmark definitions use any special JavaScript features or syntax beyond what is standard in modern JavaScript implementations (ECMAScript 2015+). **Other alternatives:** If you wanted to test alternative approaches, some possible options could be: * Using bitwise operations (`Math.max` with bitwise shift or comparison) * Implementing a custom `max`/`min` function using loops * Using a different programming paradigm, such as functional programming Keep in mind that these alternatives would likely have varying levels of performance and readability compared to the original benchmark. In summary, the `Math.max/min` approach is generally the fastest due to its native implementation, while the `if` statement provides more control but at the cost of slightly slower execution speed. The ternary operator offers a balanced solution with compact code.
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