jsPerf.app is an online JavaScript performance benchmark test runner & jsperf.com mirror. It is a complete rewrite in homage to the once excellent jsperf.com now with hopefully a more modern & maintainable codebase.
jsperf.com URLs are mirrored at the same path, e.g:
https://jsperf.com/negative-modulo/2
Can be accessed at:
https://jsperf.app/negative-modulo/2
var { arrayBuffer, dataView, byteOffset, length } = (() => {
const values = new Float32Array([0, 0, 0, 3.14, 1.5, 6.2, 66666, 0, -3]);
return {
arrayBuffer: values.buffer,
dataView: new DataView(values.buffer),
byteOffset: 4 * 2,
length: 5,
};
})();
Ready to run.
Test | Ops/sec | |
---|---|---|
复制一份;用 Float32Array 自带函数拷贝,不能处理大小端问题 |
| ready |
复制一份;用 DataView 读,能指定大小端 |
| ready |
不拷贝。直接引用 .bin,不能处理大小端问题 |
| ready |
复制一份后引用;不能处理大小端问题 |
| ready |
You can edit these tests or add more tests to this page by appending /edit to the URL.