var typedArray = new Uint8Array(100000).fill(0);
for (let i=0; i<typedArray.length; i++) {
typedArray.set(typedArray[i] + 1, i);
}
for (let i=0; i<typedArray.length; i++) {
typedArray[i] = typedArray[i] + 1;
}
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
TypedArray set() | |
TypedArray setter |
Test name | Executions per second |
---|---|
TypedArray set() | 123.0 Ops/sec |
TypedArray setter | 20042.5 Ops/sec |
Let's break down the benchmark and its components.
Benchmark Definition
The benchmark definition is represented by two test cases:
TypedArray set()
: This test case measures the performance of using the set()
method to update individual elements in a TypedArray (an array of numbers with a specific data type).TypedArray setter
: This test case measures the performance of updating individual elements directly on the TypedArray without using the set()
method.Options Compared
In this benchmark, two options are compared:
set()
method to update individual elements.Pros and Cons
set()
method: This approach has several advantages:set()
method is not optimized for updating individual elements, which can lead to slower performance compared to direct updates.Library
In both test cases, no specific libraries are used. However, the TypedArray
class is a part of the JavaScript standard library, specifically defined in ECMAScript 2015 (ES6).
Special JS Feature or Syntax
There is no special JavaScript feature or syntax used in this benchmark. Both test cases use only standard JavaScript features.
Other Alternatives
If you're looking for alternatives to this benchmark, here are a few options:
set()
method or direct updates on the TypedArray, you could manually iterate over the array elements and perform the update operations.fill()
, map()
, or reduce()
with caching to optimize performance.Keep in mind that these alternatives would likely require significant changes to the benchmark and its test cases.