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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// note: this isn't done yet
// we look for `// @runtime` in the file to determine which runtimes to run the benchmark in
import { spawnSync } from "bun";
import { readdirSync, readFileSync } from "node:fs";
import { Database } from "bun:sqlite";
import { extname, basename } from "path";
const exts = [".js", ".ts", ".mjs", ".tsx"];
const runtimes = {
bun: process.execPath,
node: process.env.NODE ?? Bun.which("node"),
deno: process.env.DENO ?? Bun.which("deno"),
};
function getEntry(sourceContents, file) {
const targetLineStart = sourceContents.indexOf("// @runtime ");
if (targetLineStart === -1) {
return;
}
const targetLineEnd = sourceContents.indexOf("\n", targetLineStart);
if (targetLineEnd === -1) {
return;
}
const targetLine = sourceContents.slice(targetLineStart, targetLineEnd);
const targets = targetLine
.slice("// @runtime ".length)
.split(/[,\s]+/gm)
.map(a => a.trim().toLowerCase())
.filter(Boolean)
.sort();
if (targets.length === 0) {
throw new TypeError("No targets specified in " + JSON.stringify(file) + "\n> " + JSON.stringify(targetLine) + "\n");
}
var cmds = {};
for (let target of targets) {
if (!(target in runtimes)) {
throw new TypeError(
"Unknown target " + JSON.stringify(target) + "\n> " + targetLine + "\n file:" + JSON.stringify(file),
);
}
switch (target) {
case "bun": {
if (!runtimes.bun) {
continue;
}
cmds.bun = [runtimes.bun, "run", file];
break;
}
case "node": {
if (!runtimes.node) {
continue;
}
cmds.node = [runtimes.node, file];
break;
}
case "deno": {
if (!runtimes.deno) {
continue;
}
cmds.deno = [runtimes.deno, "run", "-A", "--unstable", file];
break;
}
default: {
throw new Error("This should not be reached.");
break;
}
}
}
if (Object.keys(cmds).length === 0) {
return;
}
return cmds;
}
function scan() {
const queue = [];
for (let file of readdirSync(import.meta.dir)) {
if (!exts.includes(extname(file))) continue;
if (file.includes("runner")) continue;
const cmds = getEntry(readFileSync(file, "utf8"), file);
if (!cmds) continue;
queue.push({ file, cmds });
}
return queue;
}
const env = {
...process.env,
BENCHMARK_RUNNER: "1",
NODE_NO_WARNINGS: "1",
NODE_OPTIONS: "--no-warnings",
BUN_DEBUG_QUIET_LOGS: "1",
NO_COLOR: "1",
DISABLE_COLORS: "1",
};
function* run({ cmds, file }) {
const benchmarkID = basename(file)
.toLowerCase()
.replace(/\.m?js$/, "")
.replace(/\.tsx?$/, "")
.replace(".node", "")
.replace(".deno", "")
.replace(".bun", "");
// if benchmarkID doesn't contain only words, letters or numbers or dashes or underscore, throw
if (!/^[a-z0-9_-]+$/i.test(benchmarkID)) {
throw new Error(
"Benchmark files must only contain /a-zA-Z0-9-_/ " +
JSON.stringify(benchmarkID) +
" in file " +
JSON.stringify(file),
);
}
for (let runtime in cmds) {
const timestamp = Date.now();
const spawnStart = performance.now();
var { stdout, exitCode } = spawnSync({
cmd: cmds[runtime],
env,
stderr: "inherit",
stdout: "pipe",
});
const spawnElapsed = performance.now() - spawnStart;
stdout = stdout.toString();
try {
yield {
file: file,
benchmarkID,
result: JSON.parse(stdout.trim()),
runtime: runtime,
timestamp,
elapsed: spawnElapsed,
};
} catch (e) {
console.error("Failing file", file);
console.error(JSON.stringify(cmds[runtime]));
console.error(stdout.toString());
throw e;
}
if (exitCode !== 0) {
throw new Error("Non-zero exit code in file " + JSON.stringify(file) + ", runtime: " + JSON.stringify(runtime));
}
}
}
// TODO: finish this
for (let result of scan()) {
for (let {
runtime,
benchmarkID,
result: { benchmarks },
} of run(result)) {
console.log({ runtime, id: benchmarkID, benchmarks });
}
}
|
