MicroPython 性能测试数据

2019年10月26日 Pico 实验室 ESP32 开发板, ESP8266 开发板, micro:bit, pyboard 开发板, STM32 0

MicroPython 在不同的硬件上性能测试数据，为选择性能合适的硬件提供参考。

测试的开发板：
micro:bit
PYB Nano
PYBV10
ST Nucleo_F091RC
ST Nucleo_F411RE
STM32L476DISC
STM32F7DISC
ST Nucleo_H743ZI
ESP8266
ESP32 WROVER

MicroPython 版本

microbit

  • 1.9.2

ESP32 Lobo

  • 3.20.20

All other device

  • 1.9.4-479

测试项目

  • Integer addition 1000,000 times
  • Float addition 1000,000 times
  • Integer multiplication 1000,000 times
  • Float multiplication 1000,000 times
  • Integer division 1000,000 times
  • Float division 1000,000 times
  • 1000 digit Pi calculation
  • 5000 digit Pi calculation
  • 100,000 digit Pi calculation

结果

MCU Freq Int Add Float Add Int Mul Float Mul Int div Float Div Pi:1000 Pi:5000 Pi:100000
microbit nRF51822 16M 61.89 78.03 71.59 81.60 67.95 106.87 10.98 – –
Nucleo_F411 STM32F411 96M 5.86 13.96 6.07 14.02 6.07 14.07 1.25 19.03 –
PYBV10 STM32F405 168M 3.44 7.93 3.56 7.97 3.56 8.13 0.67 10.8 –
Nucleo_L432KC STM32LM32 32M 20.86 46.35 21.49 46.55 21.95 46.71 2.60 49.44 –
STM32L476DISC STM32L476 80M 8.59 18.34 8.99 18.42 8.93 18.49 1.37 21.45 –
STM32F7DISC STM32F746 192M 1.93 5.16 2.45 5.08 2.12 5.39 0.21 5.42 4276.47
Nucleo_H743 STM32H743 400M 0.86 1.96 0.94 1.98 0.91 2.07 0.11 4.66 1004.32
ESP8266 ESP8266 80M 15.55 18.34 17.96 18.92 16.96 21.46 2.09 40.22 –
ESP32 ESP32 240M 2.61 4.42 2.79 4.42 2.72 4.66 0.57 8.41 –
ESP32 psRAM ESP32 240M 3.37 7.96 3.55 17.88 15.25 8.32 0.67 18.01 12394.50
K210 K210C 8.19 8.76 8.23 8.74 7.75 8.76 0.12 2.82 1480.96

更多测试结果请参考：benchmark.xlsx

'''
  File:     benchmarks.py
  Descript: benchmark test for different microcontroller
  Author:   Shao ziyang
  Data:     2018-Octo-25
  Version:  1.0
'''
import time
import machine
import gc

def pi(places=100):
  # 3 + 3*(1/24) + 3*(1/24)*(9/80) + 3*(1/24)*(9/80)*(25/168)
  # The numerators 1, 9, 25, ... are given by (2x + 1) ^ 2
  # The denominators 24, 80, 168 are given by (16x^2 -24x + 8)
  extra = 8
  one = 10 ** (places+extra)
  t, c, n, na, d, da = 3*one, 3*one, 1, 0, 0, 24

  while t > 1: 
    n, na, d, da = n+na, na+8, d+da, da+32
    t = t * n // d
    c += t
  return c // (10 ** extra)

def pi_test(n = 5000):
    t1 = time.ticks_ms()
    t = pi(n)
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Pi', n, 'digit calculation: ', r, 's')
    return '%.2f'%r

def int_add_test(n = 1000000, a = 12345, b = 56789):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a + b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Integer Add test', n, 'times: ', r, 's')
    return '%.2f'%r

def float_add_test(n=1000000, a = 1234.5678, b = 5678.1234):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a + b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Float Add test', n, 'times:', r, 's')
    return '%.2f'%r

def int_mul_test(n=1000000, a = 12345, b = 56789):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a * b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Integer Mul test', n, 'times: ', r, 's')
    return '%.2f'%r

def float_mul_test(n=1000000, a = 1234.5678, b = 5678.1234):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a * b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Float Mul test', n, 'times: ', r, 's')
    return '%.2f'%r

def int_div_test(n=1000000, a = 123456, b = 567):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a // b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Integer Div test', n, 'times: ', r, 's')
    return '%.2f'%r

def float_div_test(n=1000000, a = 12345.678, b = 56.789):
    t1 = time.ticks_ms()
    sum = 0
    for i in range(n):
        sum = a / b
    t2 = time.ticks_ms()
    r = time.ticks_diff(t2, t1)/1000
    print('  Float Div test', n, 'times: ', r, 's')
    return '%.2f'%r

def mem():
    r = gc.mem_free()
    print('free memory:', r)

print('Speed test')
try:
    print('System freq: {:.1f} MHz'.format(machine.freq()[0]/1000000))
except:
    print('System freq: {:.1f} MHz'.format(machine.freq()/1000000))

print('\nCalcaulate integer addition')
gc.collect()
mem()
d1 = int_add_test()
d2 = int_add_test()
d3 = int_add_test()
r_int_add =  min(d1, d2, d3)
print('Integer addition test result: ', r_int_add, 's')
mem()

print('\nCalcaulate float addition')
gc.collect()
mem()
d1 = float_add_test()
d2 = float_add_test()
d3 = float_add_test()
r_float_add = min(d1, d2, d3)
print('Float addition test result: ', r_float_add, 's')
mem()

print('\nCalcaulate integer multiplication')
gc.collect()
mem()
d1 = int_mul_test()
d2 = int_mul_test()
d3 = int_mul_test()
r_int_mul = min(d1, d2, d3)
print('Integer multiplication test result: ', r_int_mul, 's')
mem()

print('\nCalcaulate float multiplication')
gc.collect()
mem()
d1 = float_mul_test()
d2 = float_mul_test()
d3 = float_mul_test()
r_float_mul = min(d1, d2, d3)
print('Float multiplication test result: ', r_float_mul, 's')
mem()

print('\nCalcaulate integer division')
gc.collect()
mem()
d1 = int_div_test()
d2 = int_div_test()
d3 = int_div_test()
r_int_div = min(d1, d2, d3)
print('Integer division test result: ', r_int_div, 's')
mem()

print('\nCalcaulate float division')
gc.collect()
mem()
d1 = float_div_test()
d2 = float_div_test()
d3 = float_div_test()
r_float_div = min(d1, d2, d3)
print('Float division test result: ', r_float_div, 's')
mem()

print('\nCalcaulate Pi 1000 digit')
gc.collect()
mem()
try:
    d1 = pi_test(1000)
    d2 = pi_test(1000)
    d3 = pi_test(1000)
    r_pi_1000 = min(d1, d2, d3)
    print('1000 digit Pi calculation result: ', r_pi_1000, 's')
    mem()
except:
    r_pi_1000 = None
    print('  calculation error')

print('\nCalcaulate Pi 5000 digit')
gc.collect()
mem()
try:
    d1 = pi_test(5000)
    d2 = pi_test(5000)
    d3 = pi_test(5000)
    r_pi_5000 = min(d1, d2, d3)
    print('5000 digit Pi calculation result: ', r_pi_5000, 's')
    mem()
except:
    r_pi_5000 = None
    print('  calculation error')

print('\nCalcaulate Pi 100,000 digit')
gc.collect()
mem()
try:
    d1 = pi_test(100000)
    d2 = pi_test(100000)
    d3 = pi_test(100000)
    r_pi_100000 = min(d1, d2, d3)
    print('100000 digit Pi calculation result: ', r_pi_100000, 's')
    mem()
except:
    r_pi_100000 = None
    print('  calculation error')

print('Test result:')
print('  Integer addition test result: ', r_int_add, 's')
print('  Float addition test result: ', r_float_add, 's')
print('  Integer multiplication test result: ', r_int_mul, 's')
print('  Float multiplication test result: ', r_float_mul, 's')
print('  Integer division test result: ', r_int_div, 's')
print('  Float division test result: ', r_float_div, 's')
if r_pi_1000:
    print('  1000 digit Pi calculation result: ', r_pi_1000, 's')
if r_pi_5000:    
    print('  5000 digit Pi calculation result: ', r_pi_5000, 's')
if r_pi_100000:
    print('  100000 digit Pi calculation result: ', r_pi_100000, 's')

这份数据来自 Shao ziyang 老师的分享。
https://github.com/shaoziyang/micropython_benchmarks

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