msgpack vs json

msgvjson.py

import msgpack

data = {}  # Input large Python dict

import time
import json

print("Dumping")
print("########### msgpack ##############")
print("started")
t = time.time()
for _ in range(10000):
    msgpack.packb(data)
print(time.time() - t)
print("########### json ##############")
print("started")
t = time.time()
for _ in range(10000):
    json.dumps(data)
print(time.time() - t)

print("Loading")
print("########### msgpack ##############")
packed = msgpack.packb(data)
print("started")
t = time.time()
for _ in range(10000):
    msgpack.unpackb(packed)
print(time.time() - t)
print("########### json ##############")
dumped = json.dumps(data)
print("started")
t = time.time()
for _ in range(10000):
    json.loads(dumped)
print(time.time() - t)

result.txt

Dumping
########### msgpack ##############
started
1.8405179977416992
########### json ##############
started
2.8371567726135254
Loading
########### msgpack ##############
started
0.7938659191131592
########### json ##############
started
12.04452896118164