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mpu6050-benchmark.py
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mpu6050-benchmark.py
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# Benchmark
import timeit
import matplotlib.pyplot as plt
n_samples = 5000
# Object initialization
SETUP_ADAFRUIT = '''
import time
import board
import busio
import adafruit_mpu6050
i2c = busio.I2C(board.SCL, board.SDA)
mpu_adafruit = adafruit_mpu6050.MPU6050(i2c)
'''
SETUP_LOCAL = '''
import mpu6050
mpu = mpu6050.MPU6050(0x68, '2g', 1000)
'''
LOOP_ADAFRUIT = '''
try:
mpu_adafruit.acceleration
except:
pass
'''
LOOP_LOCAL = '''
try:
mpu.get_accel_data()
except:
pass
'''
# Benchmarking
local_times = []
adafruit_times = []
for n_sample in range(1,n_samples,50):
# Local library times
local_times.append(min(timeit.repeat(
setup=SETUP_LOCAL,
stmt=LOOP_LOCAL,
repeat=2,
number=n_sample
)))
# Adafruit library times
adafruit_times.append(min(timeit.repeat(
setup=SETUP_ADAFRUIT,
stmt=LOOP_ADAFRUIT,
repeat=2,
number=n_sample
)))
# Matplotlib plot
fig = plt.figure()
ax1 = fig.add_subplot(111, label='Local lib')
ax2 = fig.add_subplot(111, label='Adafruit lib')
x_boundary = [0, n_samples]
y_boundary = [0, max(local_times+adafruit_times) + 20]
x_data = list(range(1,n_samples,50))
p1, = ax1.plot(x_data, local_times, 'bo-')
ax1.set_xlim(x_boundary)
ax1.set_ylim(y_boundary)
p2, = ax2.plot(x_data, adafruit_times, 'rx--')
ax2.set_xlim(x_boundary)
ax2.set_ylim(y_boundary)
ax.legend((p1,p2), ('Local library','Adafruit library'), loc='upper right')
plt.show()