/// A basic server that prints "Hello, world!" library performance.hello; import 'dart:io'; import 'dart:isolate'; main() { for (int i = 0; i < Platform.numberOfProcessors - 1; i++) Isolate.spawn(start, i + 1); start(0); } void start(int id) { HttpServer .bind('127.0.0.1', 3000, shared: true) .then((server) { print( 'Instance #$id listening at http://${server.address.address}:${server.port}'); server.listen((request) { if (request.uri.path == '/') { request.response.write('Hello, world!'); } request.response.close(); }); }); }