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
|
import { dns } from "bun";
import { bench, run, group } from "mitata";
async function forEachBackend(name, fn) {
group(name, () => {
for (let backend of ["libc", "c-ares", process.platform === "darwin" ? "system" : ""].filter(Boolean))
bench(backend, fn(backend));
});
}
forEachBackend("dns.lookup remote x 50", backend => async () => {
const run = () => dns.lookup(Math.random().toString(16) + ".example.com", { backend }).catch(() => {});
var remain = 16;
var done;
await new Promise(resolve => {
for (var i = 0; i < 16; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
forEachBackend("(cached) dns.lookup remote x 50", backend => {
var tld = "example.com";
const run = () => dns.lookup(tld, { backend }).catch(() => {});
return async () => {
const total = 50;
var remain = total;
var done;
await new Promise(resolve => {
for (var i = 0; i < total; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
};
});
forEachBackend("(cached in batch) dns.lookup remote x 50", backend => async () => {
var tld = Math.random().toString(16) + ".example.com";
const run = () => dns.lookup(tld, { backend }).catch(() => {});
const total = 50;
var remain = total;
var done;
await new Promise(resolve => {
for (var i = 0; i < total; i++)
run().finally(() => {
remain--;
if (remain === 0) {
done();
}
});
done = resolve;
});
});
await run();
|
