improve encodeCommand performance, add set-get-delete-string benchmark

benchmark/lib/index.js

@@ -0,0 +1,51 @@
+import yargs from 'yargs';
+import { hideBin } from 'yargs/helpers';
+import { promises as fs } from 'fs';
+import { fork } from 'child_process';
+import { URL, fileURLToPath } from 'url';
+import { once } from 'events';
+
+async function getPathChoices() {
+    const dirents = await fs.readdir(new URL('.', import.meta.url), {
+        withFileTypes: true
+    });
+
+    const choices = [];
+    for (const dirent of dirents) {
+        if (!dirent.isDirectory()) continue;
+
+        choices.push(dirent.name);
+    }
+
+    return choices;
+}
+
+const argv = hideBin(process.argv);
+
+async function getName() {
+    return yargs(argv)
+        .option('name', {
+            demandOption: true,
+            choices: await getPathChoices()
+        })
+        .parseSync().name;
+}
+
+
+const runnerPath = fileURLToPath(new URL('runner.js', import.meta.url)),
+    path = new URL(`${await getName()}/`, import.meta.url),
+    metadata = await import(new URL('index.js', path));
+
+for (const file of await fs.readdir(path)) {
+    if (file === 'index.js') continue;
+
+    const benchmarkProcess = fork(runnerPath, [
+        ...argv,
+        '--path',
+        fileURLToPath(path) + file
+    ]);
+
+    await once(benchmarkProcess, 'message');
+    benchmarkProcess.send(metadata);
+    await once(benchmarkProcess, 'close');
+}