Add benchmark tool

.gitignore

@@ -21,6 +21,8 @@ test/test.xcodeproj/*/xcuser*
 test/*.o
 test/*.pem
 test/*.srl
+benchmark/server
+benchmark/server-crow
 
 *.swp
 
@@ -34,6 +36,7 @@ Release
 *.db
 ipch
 *.dSYM
+*.pyc
 .*
 !/.gitattributes
 !/.travis.yml

benchmark/Makefile

@@ -0,0 +1,31 @@
+CXXFLAGS = -std=c++14 -O2 -I..
+
+THEAD_POOL_COUNT = 16
+BENCH_FLAGS = -c 8 -d 5s
+
+# cpp-httplib
+bench: server
+	@./server & export PID=$$!; bombardier $(BENCH_FLAGS) localhost:8080; kill $${PID}
+
+server : cpp-httplib/main.cpp ../httplib.h
+	g++ -o $@ $(CXXFLAGS) -DCPPHTTPLIB_THREAD_POOL_COUNT=$(THEAD_POOL_COUNT) cpp-httplib/main.cpp
+
+run : server
+	@./server
+
+# crow
+server-crow : crow/main.cpp
+	g++ -o $@ $(CXXFLAGS) crow/main.cpp
+
+bench-crow: server-crow
+	@./server-crow & export PID=$$!; bombardier $(BENCH_FLAGS) localhost:8080; kill $${PID}
+
+# flask
+bench-flask:
+	@FLASK_APP=flask/main.py flask run --port=8080 & export PID=$$!; bombardier $(BENCH_FLAGS) localhost:8080; kill $${PID}
+
+# misc
+bench-all: bench bench-crow bench-flask
+
+clean:
+	rm -rf server*

benchmark/cpp-httplib/main.cpp

@@ -0,0 +1,12 @@
+#include "httplib.h"
+using namespace httplib;
+
+int main() {
+  Server svr;
+
+  svr.Get("/", [](const Request &, Response &res) {
+    res.set_content("Hello World!", "text/plain");
+  });
+
+  svr.listen("0.0.0.0", 8080);
+}

benchmark/crow/main.cpp

@@ -0,0 +1,17 @@
+#include "crow_all.h"
+
+class CustomLogger : public crow::ILogHandler {
+public:
+  void log(std::string, crow::LogLevel) {}
+};
+
+int main() {
+  CustomLogger logger;
+  crow::logger::setHandler(&logger);
+
+  crow::SimpleApp app;
+
+  CROW_ROUTE(app, "/")([]() { return "Hello world!"; });
+
+  app.port(8080).multithreaded().run();
+}

benchmark/flask/main.py

@@ -0,0 +1,9 @@
+from flask import Flask
+app = Flask(__name__)
+
+import logging
+logging.getLogger('werkzeug').disabled = True
+
+@app.route('/')
+def hello_world():
+    return 'Hello, World!'