var str0 = "abc";
var str1 = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz";
var a = Number(str0);
var b = Number(str1);
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
Number(short string) | |
Number(long string) |
Test name | Executions per second |
---|---|
Number(short string) | 5412330.5 Ops/sec |
Number(long string) | 5434758.5 Ops/sec |
Let's break down the provided benchmark and its test cases.
Benchmark Definition
The benchmark definition provides information about the test case being measured. In this case, we have two test cases:
var str0 = "abc";
and var str1 = "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz";
The script preparation code defines two strings: a short string (str0
) containing only 3 characters, and a long string (str1
) containing 78 characters.
Test Cases
There are two individual test cases:
var a = Number(str0);
This test case measures the performance of creating a number using the `Number()` constructor with a short string argument.
2. **Number(long string)**
```javascript
var b = Number(str1);
This test case measures the performance of creating a number using the Number()
constructor with a long string argument.
Library and Libraries Purpose
There is no explicit library mentioned in the benchmark definition, but we can infer that it might be related to JavaScript's built-in functions or libraries. In this case, Number()
is a part of the JavaScript standard library.
However, if the test cases were using a library like moment.js
for date parsing, then moment(str0)
and moment(str1)
would be used instead.
Special JS Feature/Syntax
There isn't any special JavaScript feature or syntax mentioned in this benchmark definition. It only uses the standard Number()
constructor and basic string operations.
Alternatives
If you wanted to test similar performance, you might consider using different approaches:
Number()
, you could use a custom function that creates numbers from strings.Keep in mind that the specific alternatives will depend on the goals and requirements of your benchmark.