Loading items with compute

loading_items_with_compute.dart

Future<void> loadItemsWithComputed() async {
  _startFpsMeter();
  isLoading = true;
  notifyListeners();
  List<Item> computedItems;

  /// There were two variants of execution
  /// Each set of 5 concurrent requests, run sequentially,
  /// ran in compute function
  if (true) {
    for (int i = 0; i < 10; i++) {
      bench.startTimer('Load items in computed');
      computedItems = await compute<dynamic, List<Item>>(_loadItemsWithComputed, null);
      final double diff = bench.endTimer('Load items in computed');
      requestDurations.add(diff);
    }

    /// The second option is all 10 requests of 5 in one compute function
  } else {
    bench.startTimer('Load items in computed');
    computedItems = await compute<dynamic, List<Item>>(_loadAllItemsWithComputed, null);
    final double diff = bench.endTimer('Load items in computed');
    requestDurations.add(diff);
  }
  items.clear();
  items.addAll(computedItems);
  isLoading = false;
  notifyListeners();
  _stopFpsMeter();
  requestDurations.clear();
}

Future<List<Item>> _loadItemsWithComputed([dynamic _]) async {
  return makeManyRequests(5);
}

Future<List<Item>> _loadAllItemsWithComputed([dynamic _]) async {
  List<Item> items;
  for (int i = 0; i < 10; i++) {
    items = await makeManyRequests(5);
  }
  return items;
}