Benchmark Isar

ios/Podfile.lock

@@ -3,6 +3,12 @@ PODS:
   - FMDB (2.7.5):
     - FMDB/standard (= 2.7.5)
   - FMDB/standard (2.7.5)
+  - isar_flutter_libs (1.0.0):
+    - Flutter
+  - ObjectBox (1.9.1)
+  - objectbox_flutter_libs (0.0.1):
+    - Flutter
+    - ObjectBox (= 1.9.1)
   - path_provider_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
@@ -12,16 +18,23 @@ PODS:
 
 DEPENDENCIES:
   - Flutter (from `Flutter`)
+  - isar_flutter_libs (from `.symlinks/plugins/isar_flutter_libs/ios`)
+  - objectbox_flutter_libs (from `.symlinks/plugins/objectbox_flutter_libs/ios`)
   - path_provider_foundation (from `.symlinks/plugins/path_provider_foundation/darwin`)
   - sqflite (from `.symlinks/plugins/sqflite/ios`)
 
 SPEC REPOS:
   trunk:
     - FMDB
+    - ObjectBox
 
 EXTERNAL SOURCES:
   Flutter:
     :path: Flutter
+  isar_flutter_libs:
+    :path: ".symlinks/plugins/isar_flutter_libs/ios"
+  objectbox_flutter_libs:
+    :path: ".symlinks/plugins/objectbox_flutter_libs/ios"
   path_provider_foundation:
     :path: ".symlinks/plugins/path_provider_foundation/darwin"
   sqflite:
@@ -30,6 +43,9 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
   FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
+  isar_flutter_libs: b69f437aeab9c521821c3f376198c4371fa21073
+  ObjectBox: 178bbc475aea8183870993c71e7341f3c95c7b8c
+  objectbox_flutter_libs: 612b49aaaef0974006a854d1abe3c687be1efefd
   path_provider_foundation: 3784922295ac71e43754bd15e0653ccfd36a147c
   sqflite: 50a33e1d72bd59ee092a519a35d107502757ebed
 

lib/databases/isar_db.dart

@@ -0,0 +1,44 @@
+import 'dart:io';
+
+import 'package:edge_db_benchmarks/models/embedding.dart';
+import 'package:isar/isar.dart';
+import 'package:path/path.dart';
+import 'package:path_provider/path_provider.dart';
+
+class IsarDB {
+  late final Isar _isar;
+
+  IsarDB._privateConstructor();
+
+  static final IsarDB instance = IsarDB._privateConstructor();
+
+  Future<void> init() async {
+    final docsDir = await getApplicationDocumentsDirectory();
+    final path = join(docsDir.path, "embeddings.isar.db");
+    final directory = Directory(path);
+    if (await directory.exists()) {
+      await directory.delete(recursive: true);
+    }
+    await directory.create(recursive: true);
+    _isar = await Isar.open(
+      [EmbeddingSchema],
+      directory: path,
+    );
+  }
+
+  Future<void> put(Embedding embedding) {
+    return _isar.writeTxn(() async {
+      await _isar.embeddings.put(embedding);
+    });
+  }
+
+  Future<void> putMany(List<Embedding> embeddings) {
+    return _isar.writeTxn(() async {
+      await _isar.embeddings.putAll(embeddings);
+    });
+  }
+
+  Future<List<Embedding>> embeddings() {
+    return _isar.embeddings.filter().embeddingIsNotEmpty().findAll();
+  }
+}

lib/main.dart

@@ -1,6 +1,7 @@
 import 'dart:math';
 import 'dart:developer' as dev;
 
+import 'package:edge_db_benchmarks/databases/isar_db.dart';
 import 'package:edge_db_benchmarks/databases/object_box_db.dart';
 import 'package:edge_db_benchmarks/databases/sqlite_db.dart';
 import 'package:edge_db_benchmarks/models/embedding.dart';
@@ -14,6 +15,8 @@ void main() async {
     embeddings.add(Embedding(embedding: getRandom512DoubleList()));
   }
   await benchmarkSqlite(embeddings);
+  await benchmarkObjectBox(embeddings);
+  await benchmarkIsar(embeddings);
 }
 
 const count = 100000;
@@ -48,6 +51,21 @@ Future<void> benchmarkObjectBox(List<Embedding> embeddings) async {
       'ObjectBox: ${response.length} embeddings retrieved in ${stopwatch.elapsedMilliseconds} ms');
 }
 
+Future<void> benchmarkIsar(List<Embedding> embeddings) async {
+  await IsarDB.instance.init();
+  final stopwatch = Stopwatch()..start();
+  await IsarDB.instance.putMany(embeddings);
+  stopwatch.stop();
+  dev.log(
+      'Isar: $count embeddings inserted in ${stopwatch.elapsedMilliseconds} ms');
+  stopwatch.reset();
+  stopwatch.start();
+  final response = await IsarDB.instance.embeddings();
+  stopwatch.stop();
+  dev.log(
+      'Isar: ${response.length} embeddings retrieved in ${stopwatch.elapsedMilliseconds} ms');
+}
+
 List<double> getRandom512DoubleList() {
   final random = Random();
   final list = <double>[];

lib/models/embedding.dart

@@ -1,12 +1,17 @@
 import 'dart:convert';
 
 import 'package:flutter/foundation.dart';
+import 'package:isar/isar.dart';
 import 'package:objectbox/objectbox.dart' as ob;
 
+part 'embedding.g.dart';
+
 @ob.Entity()
+@collection
 class Embedding {
   @ob.Id(assignable: true)
   int id = 0;
+  Id isarID = Isar.autoIncrement;
 
   List<double> embedding;
   Embedding({