src: implement initial simdjson parser

benchmark/json/json-buffer-parser.js

@@ -0,0 +1,38 @@
+'use strict';
+const { readFile } = require('node:fs/promises');
+const common = require('../common.js');
+const { parseFromBuffer } = require('node:json');
+const path = require('node:path');
+const assert = require('node:assert');
+
+const configs = {
+  n: [1024],
+  parser: ['native', 'node'],
+  input: ['simple-string', 'simple-array', 'simple-object', 'nested-ascii', 'nested-unicode', 'twitter'],
+};
+
+const bench = common.createBenchmark(main, configs);
+
+async function main(conf) {
+  function parseNative(buf) {
+    return JSON.parse(buf.toString());
+  }
+
+  function parseNode(buf) {
+    return parseFromBuffer(buf);
+  }
+
+  const fn = conf.parser === 'native' ? parseNative : parseNode;
+
+  const filename = `${conf.input}.json`;
+  const json = await readFile(path.join(__dirname, filename));
+
+  let deadcode;
+  bench.start();
+  for (let i = 0; i < conf.n; i++) {
+    deadcode = fn(json);
+  }
+  bench.end(conf.n);
+
+  assert.ok(deadcode);
+}

benchmark/json/json-parser.js

@@ -0,0 +1,28 @@
+'use strict';
+const { readFile } = require('node:fs/promises');
+const common = require('../common.js');
+const { parse } = require('node:json');
+const path = require('node:path');
+
+const configs = {
+  n: [1024],
+  parser: ['native', 'node'],
+  input: ['simple-array', 'simple-object', 'nested-ascii', 'nested-unicode', 'twitter'],
+};
+
+const bench = common.createBenchmark(main, configs);
+
+async function main(conf) {
+  const fn = conf.parser === 'native' ? JSON.parse : parse;
+
+  const filename = `${conf.input}.json`;
+  const json = await readFile(path.join(__dirname, filename), 'utf-8');
+
+  bench.start();
+
+  for (let i = 0; i < conf.n; i++) {
+    fn(json);
+  }
+
+  bench.end(conf.n);
+}

benchmark/json/nested-ascii.json

@@ -0,0 +1,89 @@
+{
+  "users": [
+    {
+      "id": 1,
+      "name": "Alice Johnson",
+      "profile": {
+        "email": "alice@example.com",
+        "age": 28,
+        "address": {
+          "street": "456 Oak Ave",
+          "city": "Boston",
+          "state": "MA",
+          "zip": "02101",
+          "coordinates": {
+            "lat": 42.3601,
+            "lng": -71.0589
+          }
+        },
+        "preferences": {
+          "notifications": true,
+          "theme": "dark",
+          "language": "en"
+        }
+      },
+      "posts": [
+        {
+          "id": 101,
+          "title": "First Post",
+          "content": "Hello world!",
+          "tags": ["intro", "welcome"],
+          "likes": 42,
+          "comments": [
+            {"user": "bob", "text": "Great post!", "timestamp": 1609459200},
+            {"user": "charlie", "text": "Welcome!", "timestamp": 1609462800}
+          ]
+        },
+        {
+          "id": 102,
+          "title": "Second Post",
+          "content": "Another update",
+          "tags": ["update", "news"],
+          "likes": 87,
+          "comments": []
+        }
+      ]
+    },
+    {
+      "id": 2,
+      "name": "Bob Smith",
+      "profile": {
+        "email": "bob@example.com",
+        "age": 35,
+        "address": {
+          "street": "789 Pine Rd",
+          "city": "Seattle",
+          "state": "WA",
+          "zip": "98101",
+          "coordinates": {
+            "lat": 47.6062,
+            "lng": -122.3321
+          }
+        },
+        "preferences": {
+          "notifications": false,
+          "theme": "light",
+          "language": "en"
+        }
+      },
+      "posts": [
+        {
+          "id": 201,
+          "title": "Tech Talk",
+          "content": "Discussing new technologies",
+          "tags": ["tech", "discussion"],
+          "likes": 156,
+          "comments": [
+            {"user": "alice", "text": "Interesting!", "timestamp": 1609466400}
+          ]
+        }
+      ]
+    }
+  ],
+  "metadata": {
+    "version": "1.0",
+    "timestamp": 1609459200,
+    "total": 2,
+    "cached": false
+  }
+}

benchmark/json/nested-unicode.json

@@ -0,0 +1,124 @@
+{
+  "utilisateurs": [
+    {
+      "id": 1,
+      "nom": "Marie Dubois",
+      "profil": {
+        "courriel": "marie@exemple.fr",
+        "âge": 28,
+        "adresse": {
+          "rue": "123 Rue de la Paix",
+          "ville": "Paris",
+          "pays": "France",
+          "code": "75001",
+          "coordonnées": {
+            "lat": 48.8566,
+            "lng": 2.3522
+          }
+        },
+        "préférences": {
+          "notifications": true,
+          "thème": "sombre",
+          "langue": "fr"
+        }
+      },
+      "publications": [
+        {
+          "id": 101,
+          "titre": "Première publication",
+          "contenu": "Bonjour le monde! 🌍",
+          "étiquettes": [
+            "intro",
+            "bienvenue"
+          ],
+          "mentions": 42,
+          "commentaires": [
+            {
+              "utilisateur": "jean",
+              "texte": "Excellent! 👍",
+              "horodatage": 1609459200
+            },
+            {
+              "utilisateur": "sophie",
+              "texte": "Bienvenue! 🎉",
+              "horodatage": 1609462800
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "id": 2,
+      "nom": "田中太郎",
+      "profil": {
+        "courriel": "tanaka@example.jp",
+        "âge": 35,
+        "adresse": {
+          "rue": "東京都渋谷区1-2-3",
+          "ville": "東京",
+          "pays": "日本",
+          "code": "150-0001",
+          "coordonnées": {
+            "lat": 35.6762,
+            "lng": 139.6503
+          }
+        },
+        "préférences": {
+          "notifications": false,
+          "thème": "明るい",
+          "langue": "ja"
+        }
+      },
+      "publications": [
+        {
+          "id": 201,
+          "titre": "技術について",
+          "contenu": "新しい技術を議論しています",
+          "étiquettes": [
+            "技術",
+            "議論"
+          ],
+          "mentions": 156,
+          "commentaires": [
+            {
+              "utilisateur": "山田",
+              "texte": "興味深い! ⭐",
+              "horodatage": 1609466400
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "id": 3,
+      "nom": "Иван Петров",
+      "profil": {
+        "courriel": "ivan@example.ru",
+        "âge": 32,
+        "adresse": {
+          "rue": "Невский проспект 123",
+          "ville": "Санкт-Петербург",
+          "pays": "Россия",
+          "code": "190000",
+          "coordonnées": {
+            "lat": 59.9343,
+            "lng": 30.3351
+          }
+        },
+        "préférences": {
+          "notifications": true,
+          "thème": "тёмная",
+          "langue": "ru"
+        }
+      },
+      "publications": []
+    }
+  ],
+  "métadonnées": {
+    "version": "1.0",
+    "horodatage": 1609459200,
+    "total": 3,
+    "mis_en_cache": false,
+    "description": "Données avec caractères Unicode: émojis 😀, alphabets cyrilliques Й, japonais 漢字, et accents français é"
+  }
+}

benchmark/json/simple-array.json

@@ -0,0 +1,102 @@
+[
+  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
+]