A micro benchmark of two RPC servers, mprpc and xmlrpc

0_comparison_mprpc_vs_xmlrpc.md

RPC servers

mprpc https://github.com/studio-ousia/mprpc
xmlrpc.server https://docs.python.org/3/library/xmlrpc.server.html

Os/cpu

OS Linux i7xbu 5.3.0-19-generic #20-Ubuntu SMP Fri Oct 18 09:04:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
CPU Intel(R) Core(TM) i7-6800K CPU @ 3.40GHz

Performance

mprpc

real 5.88
user 3.84
sys 1.47

xmlpc

real 92.29
user 44.34
sys 10.56

cli_mprpc.py

from mprpc import RPCClient

client = RPCClient('127.0.0.1', 6000)

for x in range(100):
    for y in range(1000):
        assert client.call('sum', x, y) == x + y

cli_xmlrpc.py

import xmlrpc.client

client = xmlrpc.client.ServerProxy('http://%s:%d/' % ('127.0.0.1', 6000))

for x in range(100):
    for y in range(1000):
        assert client.sum(x, y) == x + y

svr_mprpc.py

import os
import signal

import gevent
from gevent.server import StreamServer
from mprpc import RPCServer

class SumServer(RPCServer):
    def sum(self, x, y):
        return x + y

print("svr process id: %d" % os.getpid())

gevent.signal(signal.SIGQUIT, gevent.kill)
server = StreamServer(('127.0.0.1', 6000), SumServer())
thread = gevent.spawn(server.serve_forever)
thread.join()

svr_xmlrpc.py

import os
from xmlrpc.server import SimpleXMLRPCServer

class SumServer:
    def sum(self, x, y):
        return x + y

print("svr process id: %d" % os.getpid())

server = SimpleXMLRPCServer(('127.0.0.1', 6000), logRequests=False)
server.register_instance(SumServer())
server.serve_forever()