daohualiuxiang
/
node
mirror of https://github.com/nodejs/node.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

benchmark: replace deprecated and eliminate var in buffer-from.js 

PR-URL: https://github.com/nodejs/node/pull/26585
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
pull/26836/head
gengjiawen 2019-03-11 22:53:58 +08:00 committed by Daniel Bevenius
parent 4643fd78b2
commit 11f8024d99
1 changed files with 10 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
benchmark/buffers/buffer-from.js
View File

@ -26,19 +26,17 @@ function main({ len, n, source }) {
const uint8array = new Uint8Array(len);
const obj = { length: null }; // Results in a new, empty Buffer
var i;
switch (source) {
case 'array':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(array);
}
bench.end(n);
break;
case 'arraybuffer':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(arrayBuf);
}
bench.end(n);
@ -47,54 +45,54 @@ function main({ len, n, source }) {
const offset = ~~(len / 4);
const length = ~~(len / 2);
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(arrayBuf, offset, length);
}
bench.end(n);
break;
case 'buffer':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(buffer);
}
bench.end(n);
break;
case 'uint8array':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(uint8array);
}
bench.end(n);
break;
case 'string':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(str);
}
bench.end(n);
break;
case 'string-utf8':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(str, 'utf8');
}
bench.end(n);
break;
case 'string-base64':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(str, 'base64');
}
bench.end(n);
break;
case 'object':
bench.start();
for (i = 0; i < n * 1024; i++) {
for (let i = 0; i < n * 1024; i++) {
Buffer.from(obj);
}
bench.end(n);
break;
default:
assert.fail(null, null, 'Should not get here');
assert.fail('Should not get here');
}
}