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String vs OBject
(version: 0)
Benchmark.js
Comparing performance of:
equal string vs equal int
Created:
2 years ago
by:
Guest
Go to the latest result
Tests:
equal string
const a = "some-random-string" const b = "some-random-string" const c = a === b
equal int
const a = 1 const b = 1 const c = a === b
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
equal string
equal int
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Browser/OS:
Chrome 122 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=507913" width="100%" height="500px"></iframe>
equal int
186.8M/s
equal string
179.8M/s
View exact numbers
Test name
Executions per second
✓
equal int
186,778,960 Ops/sec
equal string
179,836,784 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain the benchmark being measured on MeasureThat.net. The provided benchmark compares two JavaScript microbenchmarks: one testing equality checks between two strings and another testing equality checks between two integers. **Options compared:** 1. **String Equality Check**: The first test case, "equal string", measures the performance of a simple string comparison using the `===` operator. 2. **Integer Equality Check**: The second test case, "equal int", measures the performance of a simple integer comparison using the `===` operator. **Pros and Cons:** * **String Equality Check**: + Pros: This benchmark is useful for testing the performance of JavaScript engines when dealing with string comparisons. + Cons: String comparisons can be slower than integer comparisons due to the additional overhead of checking for string length, Unicode encoding, and other factors. * **Integer Equality Check**: + Pros: Integer equality checks are generally faster than string comparisons because integers require less processing power. + Cons: This benchmark may not accurately represent real-world scenarios where integers are used in complex calculations or comparisons. Other considerations: * The benchmark uses a simple assignment statement `const c = a === b` to measure the performance of each comparison. This is a common approach, but it's worth noting that this type of statement can also introduce additional overhead due to scope and closure management. * The benchmark does not account for caching or memoization effects, which could impact the results in certain scenarios. **Library usage:** There is no explicit library mentioned in the provided benchmark definition. However, it's likely that MeasureThat.net uses a standard JavaScript engine (e.g., V8) to execute the benchmarks, and any libraries used by the benchmark are part of the standard library or system dependencies. **Special JS feature or syntax:** There are no special JavaScript features or syntaxes mentioned in this benchmark. The tests only use basic JavaScript syntax elements like variables, literals, and operators. **Alternative alternatives:** To achieve similar results, you could consider running benchmarks using other JavaScript engines, frameworks, or testing tools. Some popular alternatives include: 1. **JSPerf**: A benchmarking tool specifically designed for comparing JavaScript performance. 2. **Benchmark.js**: A popular library for writing cross-browser JavaScript benchmarks. 3. **WebPageTest**: A comprehensive tool for measuring web page load times and performance. Keep in mind that the results of these alternative tools might differ due to differences in execution environments, optimization strategies, or caching mechanisms.
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