var string1 = ["lorem", "ipsum", "sim", "dolor", "amet", "sensei", "shaolin", "eight", "nine", "ten"];
var string2 = ["lorem", "ipsum", "sim", "dolor", "amet", "sensei", "shaolin", "eight", "nine", "ten"];
for(let i=0; i<2; i++) string1.push(string1);
for(let i=0; i<5; i++) string2.push(string2);
var arr21 = string1;
var arr22 = string1;
var arr51 = string2;
var arr52 = string2;
arr51.sort()
arr52.sort((a,b) => a.localeCompare(b))
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
simple sort | |
localeCompare sort |
Test name | Executions per second |
---|---|
simple sort | 119786.5 Ops/sec |
localeCompare sort | 3803.8 Ops/sec |
Let's break down the provided benchmark definition and test cases to understand what is being tested.
Benchmark Definition JSON
The provided JSON represents a JavaScript microbenchmark that tests the performance of sorting arrays with different algorithms.
The script preparation code creates two arrays, string1
and string2
, which are then modified by appending duplicate elements. These arrays are then reassigned to new variables: arr21
, arr22
, arr51
, and arr52
.
Options Compared
There are two main options being compared:
localeCompare
function to compare strings.Pros and Cons of Different Approaches
localeCompare
function to compare strings, which can be more accurate than native sorting for strings that require locale-specific sorting.Pros:
Cons:
localeCompare
localeCompare
function (not available in older browsers)Library: Locale
The localeCompare
function is a built-in function in modern JavaScript engines. It takes two strings as input and returns an integer value indicating their relative order.
Special JS Feature/Syntax: None
There are no special JavaScript features or syntax being tested in this benchmark.
Other Alternatives
If you were to implement your own sorting algorithm, some alternatives could be:
However, these alternatives would require implementing the sorting algorithm from scratch, whereas using native or locale-specific sorting algorithms can be more straightforward.
Keep in mind that this benchmark is designed to test specific aspects of JavaScript performance, so implementing alternative sorting algorithms might not provide meaningful results.