benchmark: add URLSearchParams scaling and encodeStr fast-path

Author: TylerFortune

benchmark/url/searchparams-tostring.js

@@ -0,0 +1,30 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  length: [5, 500],
+  encode: ['true', 'false'],
+  count: [1, 1000],
+  n: [1e5],
+});
+
+function main({ n, length, encode, count }) {
+  const char = encode === 'true' ? '\u00A5' : 'a';
+  const key = char.repeat(length);
+  const value = char.repeat(length);
+  const params = [];
+  for (let i = 0; i < count; i++) {
+    params.push([key, value]);
+  }
+  const searchParams = new URLSearchParams(params);
+
+  // Warm up
+  searchParams.toString();
+
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    searchParams.toString();
+  }
+  bench.end(n);
+}

benchmark/url/url-encodeStr.js

@@ -0,0 +1,38 @@
+'use strict';
+
+const common = require('../common.js');
+const { encodeStr } = require('internal/querystring');
+
+const noEscape = new Int8Array([
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x00 - 0x0F
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0x10 - 0x1F
+  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, // 0x20 - 0x2F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 0x30 - 0x3F
+  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x40 - 0x4F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, // 0x50 - 0x5F
+  0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 0x60 - 0x6F
+  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, // 0x70 - 0x7F
+]);
+
+const hexTable = new Array(256);
+for (let i = 0; i < 256; i++) {
+  hexTable[i] = '%' + i.toString(16).toUpperCase().padStart(2, '0');
+}
+
+const bench = common.createBenchmark(main, {
+  len: [5, 50],
+  n: [1e7],
+});
+
+function main({ n, len }) {
+  const str = 'a'.repeat(len - 1) + ' '; // One char that needs escaping
+
+  // Warm up
+  encodeStr(str, noEscape, hexTable);
+
+  bench.start();
+  for (let i = 0; i < n; i++) {
+    encodeStr(str, noEscape, hexTable);
+  }
+  bench.end(n);
+}