1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
'use strict';
const common = require('../common.js');
const bench = common.createBenchmark(main, {
encoding: [
'', 'utf8', 'ascii', 'hex', 'utf16le', 'latin1',
],
args: [ '', 'offset', 'offset+length' ],
len: [2048],
n: [1e6]
});
function main({ len, n, encoding, args }) {
let string;
let start = 0;
const buf = Buffer.allocUnsafe(len);
var i;
switch (args) {
case 'offset':
string = 'a'.repeat(Math.floor(len / 2));
start = len - string.length;
if (encoding) {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string, start, encoding);
}
bench.end(n);
} else {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string, start);
}
bench.end(n);
}
break;
case 'offset+length':
string = 'a'.repeat(len);
if (encoding) {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string, 0, buf.length, encoding);
}
bench.end(n);
} else {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string, 0, buf.length);
}
bench.end(n);
}
break;
default:
string = 'a'.repeat(len);
if (encoding) {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string, encoding);
}
bench.end(n);
} else {
bench.start();
for (i = 0; i < n; ++i) {
buf.write(string);
}
bench.end(n);
}
}
}
|
