saveModuleBinary function
Saves GPU weights to a flat binary file.
Implementation
Future<void> saveModuleBinary(Module module, String filePath) async {
final List<Tensor> parameters = module.parameters();
final BytesBuilder builder = BytesBuilder();
print('📦 Syncing GPU weights for saving...');
for (var p in parameters) {
// p.data pulls from GPU via engine.getTensorData
final floatList = Float32List.fromList(p.data);
builder.add(floatList.buffer.asUint8List());
}
final File file = File(filePath);
await file.writeAsBytes(builder.toBytes());
print('✅ Saved: $filePath (${file.lengthSync()} bytes)');
}