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17 KiB
17 KiB
⚡blazingly fast⚡
I conducted a series of quick tests, using wrk with simple HTTP servers written in GO and in zig zap. I made sure that all servers only output 17 bytes of HTTP body.
Just to get some sort of indication, I also included measurements for python since I used to write my REST APIs in python before creating zig zap.
You can check out the scripts I used for the tests in ./wrk.
results
You can see the verbatim output of wrk, and some infos about the test machine
below the code snippets.
Update: I was intrigued comparing to a basic rust HTTP server. Unfortunately, knowing nothing at all about rust, I couldn't find one and hence tried to go for the one in The Rust Programming Language. Wanting it to be of a somewhat fair comparison, I opted for the multi-threaded example. It didn't work out-of-the-box, but I got it to work and changed it to not read files but outputting a static text just like in the other examples. maybe someone with rust experience can have a look at my wrk/rust/hello code and tell me why it's surprisingly slow, as I expected it to be faster than the basic GO example. I'll enable the GitHub discussions for this matter. My suspicion is bad performance of the mutexes.
requests / sec
transfer MB / sec
zig code
zig version .11.0-dev.1265+3ab43988c
const std = @import("std");
const zap = @import("zap");
fn on_request_minimal(r: zap.SimpleRequest) void {
_ = r.sendBody("Hello from ZAP!!!");
}
pub fn main() !void {
var listener = zap.SimpleHttpListener.init(.{
.port = 3000,
.on_request = on_request_minimal,
.log = false,
.max_clients = 100000,
});
try listener.listen();
std.debug.print("Listening on 0.0.0.0:3000\n", .{});
// start worker threads
zap.start(.{
.threads = 4,
.workers = 4,
});
}
go code
go version go1.16.9 linux/amd64
package main
import (
"fmt"
"net/http"
)
func hello(w http.ResponseWriter, req *http.Request) {
fmt.Fprintf(w, "hello from GO!!!\n")
}
func main() {
print("listening on 0.0.0.0:8090\n")
http.HandleFunc("/hello", hello)
http.ListenAndServe(":8090", nil)
}
python code
python version 3.9.6
# Python 3 server example
from http.server import BaseHTTPRequestHandler, HTTPServer
hostName = "127.0.0.1"
serverPort = 8080
class MyServer(BaseHTTPRequestHandler):
def do_GET(self):
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(bytes("HI FROM PYTHON!!!", "utf-8"))
def log_message(self, format, *args):
return
if __name__ == "__main__":
webServer = HTTPServer((hostName, serverPort), MyServer)
print("Server started http://%s:%s" % (hostName, serverPort))
try:
webServer.serve_forever()
except KeyboardInterrupt:
pass
webServer.server_close()
print("Server stopped.")
rust code
use hello::ThreadPool;
use std::io::prelude::*;
use std::net::TcpListener;
use std::net::TcpStream;
fn main() {
let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
let pool = ThreadPool::new(4);
// for stream in listener.incoming().take(2) {
for stream in listener.incoming() {
let stream = stream.unwrap();
pool.execute(|| {
handle_connection(stream);
});
}
println!("Shutting down.");
}
fn handle_connection(mut stream: TcpStream) {
let mut buffer = [0; 1024];
stream.read(&mut buffer).unwrap();
let status_line = "HTTP/1.1 200 OK";
let contents = "HELLO from RUST!";
let response = format!(
"{}\r\nContent-Length: {}\r\n\r\n{}",
status_line,
contents.len(),
contents
);
stream.write_all(response.as_bytes()).unwrap();
stream.flush().unwrap();
}
use std::{
sync::{mpsc, Arc, Mutex},
thread,
};
pub struct ThreadPool {
workers: Vec<Worker>,
sender: Option<mpsc::Sender<Job>>,
}
type Job = Box<dyn FnOnce() + Send + 'static>;
impl ThreadPool {
/// Create a new ThreadPool.
///
/// The size is the number of threads in the pool.
///
/// # Panics
///
/// The `new` function will panic if the size is zero.
pub fn new(size: usize) -> ThreadPool {
assert!(size > 0);
let (sender, receiver) = mpsc::channel();
let receiver = Arc::new(Mutex::new(receiver));
let mut workers = Vec::with_capacity(size);
for id in 0..size {
workers.push(Worker::new(id, Arc::clone(&receiver)));
}
ThreadPool {
workers,
sender: Some(sender),
}
}
pub fn execute<F>(&self, f: F)
where
F: FnOnce() + Send + 'static,
{
let job = Box::new(f);
self.sender.as_ref().unwrap().send(job).unwrap();
}
}
impl Drop for ThreadPool {
fn drop(&mut self) {
drop(self.sender.take());
for worker in &mut self.workers {
println!("Shutting down worker {}", worker.id);
if let Some(thread) = worker.thread.take() {
thread.join().unwrap();
}
}
}
}
struct Worker {
id: usize,
thread: Option<thread::JoinHandle<()>>,
}
impl Worker {
fn new(id: usize, receiver: Arc<Mutex<mpsc::Receiver<Job>>>) -> Worker {
let thread = thread::spawn(move || loop {
let message = receiver.lock().unwrap().recv();
match message {
Ok(job) => {
// println!("Worker got a job; executing.");
job();
}
Err(_) => {
// println!("Worker disconnected; shutting down.");
break;
}
}
});
Worker {
id,
thread: Some(thread),
}
}
}
wrk output
wrk version: wrk 4.1.0 [epoll] Copyright (C) 2012 Will Glozer
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh zig
Listening on 0.0.0.0:3000
========================================================================
zig
========================================================================
Running 10s test @ http://127.0.0.1:3000
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 331.40us 115.09us 8.56ms 91.94%
Req/Sec 159.51k 9.44k 175.23k 56.50%
Latency Distribution
50% 312.00us
75% 341.00us
90% 375.00us
99% 681.00us
6348945 requests in 10.01s, 0.94GB read
Requests/sec: 634220.13
Transfer/sec: 96.17MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh zig
Listening on 0.0.0.0:3000
========================================================================
zig
========================================================================
Running 10s test @ http://127.0.0.1:3000
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 322.43us 103.25us 3.72ms 86.57%
Req/Sec 166.35k 2.89k 182.78k 68.00%
Latency Distribution
50% 297.00us
75% 330.00us
90% 482.00us
99% 657.00us
6619245 requests in 10.02s, 0.98GB read
Requests/sec: 660803.71
Transfer/sec: 100.20MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh zig
Listening on 0.0.0.0:3000
========================================================================
zig
========================================================================
Running 10s test @ http://127.0.0.1:3000
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 325.47us 105.86us 4.03ms 87.27%
Req/Sec 164.60k 4.69k 181.85k 84.75%
Latency Distribution
50% 300.00us
75% 333.00us
90% 430.00us
99% 667.00us
6549594 requests in 10.01s, 0.97GB read
Requests/sec: 654052.56
Transfer/sec: 99.18MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh go
listening on 0.0.0.0:8090
========================================================================
go
========================================================================
Running 10s test @ http://127.0.0.1:8090/hello
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 680.63us 692.05us 12.09ms 88.04%
Req/Sec 126.49k 4.28k 139.26k 71.75%
Latency Distribution
50% 403.00us
75% 822.00us
90% 1.52ms
99% 3.34ms
5033360 requests in 10.01s, 643.22MB read
Requests/sec: 502584.84
Transfer/sec: 64.23MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh go
listening on 0.0.0.0:8090
========================================================================
go
========================================================================
Running 10s test @ http://127.0.0.1:8090/hello
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 683.97us 695.78us 10.01ms 88.04%
Req/Sec 126.31k 4.34k 137.63k 65.00%
Latency Distribution
50% 408.00us
75% 829.00us
90% 1.53ms
99% 3.34ms
5026848 requests in 10.01s, 642.39MB read
Requests/sec: 502149.91
Transfer/sec: 64.17MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh go
listening on 0.0.0.0:8090
========================================================================
go
========================================================================
Running 10s test @ http://127.0.0.1:8090/hello
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 688.89us 702.75us 12.70ms 88.09%
Req/Sec 126.06k 4.20k 138.00k 70.25%
Latency Distribution
50% 414.00us
75% 836.00us
90% 1.54ms
99% 3.36ms
5015716 requests in 10.01s, 640.97MB read
Requests/sec: 500968.28
Transfer/sec: 64.02MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh python
Server started http://127.0.0.1:8080
========================================================================
python
========================================================================
Running 10s test @ http://127.0.0.1:8080
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 12.89ms 101.69ms 1.79s 97.76%
Req/Sec 1.83k 2.11k 7.53k 82.18%
Latency Distribution
50% 215.00us
75% 260.00us
90% 363.00us
99% 485.31ms
34149 requests in 10.02s, 4.33MB read
Socket errors: connect 0, read 34149, write 0, timeout 15
Requests/sec: 3407.63
Transfer/sec: 442.60KB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh python
Server started http://127.0.0.1:8080
========================================================================
python
========================================================================
Running 10s test @ http://127.0.0.1:8080
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 9.87ms 90.32ms 1.79s 98.21%
Req/Sec 2.16k 2.17k 7.49k 80.10%
Latency Distribution
50% 234.00us
75% 353.00us
90% 378.00us
99% 363.73ms
43897 requests in 10.02s, 5.57MB read
Socket errors: connect 0, read 43897, write 0, timeout 14
Requests/sec: 4379.74
Transfer/sec: 568.85KB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh python
Server started http://127.0.0.1:8080
========================================================================
python
========================================================================
Running 10s test @ http://127.0.0.1:8080
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 3.98ms 51.85ms 1.66s 99.16%
Req/Sec 2.69k 2.58k 7.61k 51.14%
Latency Distribution
50% 234.00us
75% 357.00us
90% 381.00us
99% 568.00us
50165 requests in 10.02s, 6.36MB read
Socket errors: connect 0, read 50165, write 0, timeout 9
Requests/sec: 5004.06
Transfer/sec: 649.95KB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh rust
Finished release [optimized] target(s) in 0.00s
========================================================================
rust
========================================================================
Running 10s test @ http://127.0.0.1:7878
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.20ms 1.38ms 208.35ms 99.75%
Req/Sec 34.06k 2.00k 38.86k 75.25%
Latency Distribution
50% 1.32ms
75% 1.63ms
90% 1.87ms
99% 2.32ms
1356449 requests in 10.01s, 71.15MB read
Socket errors: connect 0, read 1356427, write 0, timeout 0
Requests/sec: 135446.00
Transfer/sec: 7.10MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh rust
Finished release [optimized] target(s) in 0.00s
========================================================================
rust
========================================================================
Running 10s test @ http://127.0.0.1:7878
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.21ms 592.89us 10.02ms 63.64%
Req/Sec 32.93k 2.91k 37.94k 80.50%
Latency Distribution
50% 1.31ms
75% 1.64ms
90% 1.90ms
99% 2.48ms
1311445 requests in 10.02s, 68.79MB read
Socket errors: connect 0, read 1311400, write 0, timeout 0
Requests/sec: 130904.50
Transfer/sec: 6.87MB
(base) rs@ryzen:~/code/github.com/renerocksai/zap$ ./wrk/measure.sh rust
Finished release [optimized] target(s) in 0.00s
========================================================================
rust
========================================================================
Running 10s test @ http://127.0.0.1:7878
4 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 1.26ms 2.88ms 211.74ms 99.92%
Req/Sec 33.92k 2.04k 38.99k 74.00%
Latency Distribution
50% 1.34ms
75% 1.66ms
90% 1.91ms
99% 2.38ms
1350527 requests in 10.02s, 70.84MB read
Socket errors: connect 0, read 1350474, write 0, timeout 0
Requests/sec: 134830.39
Transfer/sec: 7.07MB
test machine
▗▄▄▄ ▗▄▄▄▄ ▄▄▄▖ rs@ryzen
▜███▙ ▜███▙ ▟███▛ --------
▜███▙ ▜███▙▟███▛ OS: NixOS 22.05 (Quokka) x86_64
▜███▙ ▜██████▛ Host: Micro-Star International Co., Ltd. B550-A PRO (MS-7C56)
▟█████████████████▙ ▜████▛ ▟▙ Kernel: 6.0.15
▟███████████████████▙ ▜███▙ ▟██▙ Uptime: 7 days, 5 hours, 29 mins
▄▄▄▄▖ ▜███▙ ▟███▛ Packages: 5950 (nix-system), 893 (nix-user), 5 (flatpak)
▟███▛ ▜██▛ ▟███▛ Shell: bash 5.1.16
▟███▛ ▜▛ ▟███▛ Resolution: 3840x2160
▟███████████▛ ▟██████████▙ DE: none+i3
▜██████████▛ ▟███████████▛ WM: i3
▟███▛ ▟▙ ▟███▛ Terminal: Neovim Terminal
▟███▛ ▟██▙ ▟███▛ CPU: AMD Ryzen 5 5600X (12) @ 3.700GHz
▟███▛ ▜███▙ ▝▀▀▀▀ GPU: AMD ATI Radeon RX 6700/6700 XT / 6800M
▜██▛ ▜███▙ ▜██████████████████▛ Memory: 10378MiB / 32033MiB
▜▛ ▟████▙ ▜████████████████▛
▟██████▙ ▜███▙
▟███▛▜███▙ ▜███▙
▟███▛ ▜███▙ ▜███▙
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