Wrk Hello world benchmark of nim websockets and uWebSockets

HelloWorld.cpp

#include "App.h"

int main() {
	/* Overly simple hello world app */
	uWS::App().get("/*", [](auto *res, auto *req) {
	    res->end("Hello world!");
	}).listen(3000, [](auto *token) {
	    if (token) {
		std::cout << "Listening on port " << 3000 << std::endl;
	    }
	}).run();

	std::cout << "Failed to listen on port 3000" << std::endl;
}

HelloWorlduwebsocket_test.txt

# ~/work/modules/wrk$ ./wrk -t12 -c400 -d15s http://127.0.0.1:3000
Running 15s test @ http://127.0.0.1:3000
  12 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.83ms  313.61us   9.66ms   88.51%
    Req/Sec    17.92k     1.84k   50.97k    92.29%
  3215251 requests in 15.09s, 217.71MB read
Requests/sec: 213036.02
Transfer/sec:     14.42MB

Makefile

EXAMPLE_FILES := HelloWorld EchoServer BroadcastingEchoServer
THREADED_EXAMPLE_FILES := HelloWorldThreaded EchoServerThreaded
override CXXFLAGS += -lpthread -Wconversion -std=c++17 -Isrc -IuSockets/src
override LDFLAGS += uSockets/*.o -lz

# WITH_OPENSSL=1 enables OpenSSL 1.1+ support
ifeq ($(WITH_OPENSSL),1)
	# With problems on macOS, make sure to pass needed LDFLAGS required to find these
	override LDFLAGS += -lssl -lcrypto
else
	# WITH_WOLFSSL=1 enables WolfSSL 4.2.0 support (mutually exclusive with OpenSSL)
	ifeq ($(WITH_WOLFSSL),1)
		override LDFLAGS += -L/usr/local/lib -lwolfssl
	endif
endif

# WITH_LIBUV=1 builds with libuv as event-loop
ifeq ($(WITH_LIBUV),1)
	override LDFLAGS += -luv
endif

# WITH_ASAN builds with sanitizers
ifeq ($(WITH_ASAN),1)
	override CXXFLAGS += -fsanitize=address
	override LDFLAGS += -lasan
endif

.PHONY: examples
examples:
	cd uSockets && make
	$(foreach FILE,$(EXAMPLE_FILES),$(CXX) -flto -O3 $(CXXFLAGS) examples/$(FILE).cpp -o $(FILE) $(LDFLAGS);)
	$(foreach FILE,$(THREADED_EXAMPLE_FILES),$(CXX) -pthread -flto -O3 $(CXXFLAGS) examples/$(FILE).cpp -o $(FILE) $(LDFLAGS);)

all:
	make examples
	make -C fuzzing
	make -C benchmarks
clean:
	rm -rf $(EXAMPLE_FILES) $(THREADED_EXAMPLE_FILES)
	rm -rf fuzzing/*.o benchmarks/*.o

nimsocket.nim

import websocket, asynchttpserver, asyncnet, asyncdispatch

var server = newAsyncHttpServer()
proc cb(req: Request) {.async.} =
  discard req.respond(Http200, "Hello World")


waitfor server.serve(Port(8080), cb)

# Compiled with: `nim c -d:danger --gc:none nimsocket.nim`

nimsocket_test.txt

# ~/work/modules/wrk$ ./wrk -t12 -c400 -d30s http://127.0.0.1:8080

Could only run 15 seconds before nearly out of memory

Running 30s test @ http://127.0.0.1:8080
  12 threads and 400 connections
^C  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     5.46ms    6.36ms 249.96ms   99.55%
    Req/Sec     6.34k     0.87k   20.68k    93.39%
  1146352 requests in 15.22s, 54.66MB read
Requests/sec:  75327.55
Transfer/sec:      3.59MB