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Jul 8th, 2019
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  1. import time
  2. import board
  3. from digitalio import DigitalInOut, Direction, Pull
  4. import neopixel
  5. import storage
  6. import sys
  7.  
  8. def write_out(markname, marktime):
  9. try:
  10. with open("/benchmarks.csv", "a") as bench:
  11. bench.write(markname+","+circuitpythonversion+",")
  12. bench.write('{0:f}\n'.format(marktime))
  13. except OSError as e:
  14. pass
  15. print(markname, circuitpythonversion, marktime, sep=",")
  16.  
  17. #circuit python benchmark
  18. print("running benchmarks")
  19. print(str(sys.implementation[1][0]) + "-" + str(sys.implementation[1][1])+"-"+str(sys.implementation[1][2]))
  20.  
  21. circuitpythonversion = str(sys.implementation[1][0]) + "-" + str(sys.implementation[1][1])+"-"+str(sys.implementation[1][2])
  22.  
  23.  
  24. #Storage
  25. start = time.monotonic()
  26. try:
  27. with open("/test.txt", "a") as fp:
  28. for i in range(20):
  29. fp.write('test')
  30. fp.flush()
  31. with open("/benchmarks.csv", "a") as bench:
  32. bench.write("filesystem benchmark,")
  33. bench.write(circuitpythonversion)
  34. bench.write(',{0:f}\n'.format(time.monotonic()-start))
  35. except OSError as e:
  36. print("write error -- unable to perform filesystem benchmark")
  37.  
  38. #Neopixel
  39. pixels = neopixel.NeoPixel(board.NEOPIXEL, 10, brightness=0.3, auto_write=False)
  40. start = time.monotonic()
  41. for i in range(0,200):
  42. pixels.fill((255,0,0))
  43. pixels.show()
  44. pixels.fill((0,255,0))
  45. pixels.show()
  46.  
  47. write_out("neopixel flicker", time.monotonic()-start)
  48.  
  49. def rainbow_cycle():
  50. for x in range(255):
  51. for y in range(10):
  52. rc_index = (x * 256 // 10) + y
  53. pixels[y] = wheel(rc_index & 255)
  54. pixels.show()
  55.  
  56. def wheel(pos):
  57. # Input a value 0 to 255 to get a color value.
  58. # The colours are a transition r - g - b - back to r.
  59. if pos < 0 or pos > 255:
  60. return (0, 0, 0)
  61. if pos < 85:
  62. return (255 - pos * 3, pos * 3, 0)
  63. if pos < 170:
  64. pos -= 85
  65. return (0, 255 - pos * 3, pos * 3)
  66. pos -= 170
  67. return (pos * 3, 0, 255 - pos * 3)
  68.  
  69.  
  70. start = time.monotonic()
  71. for i in range(2):
  72. rainbow_cycle()
  73.  
  74. write_out("neopixel rainbow", time.monotonic()-start)
  75.  
  76. #GPIO
  77.  
  78. led = DigitalInOut(board.D13)
  79. led.direction = Direction.OUTPUT
  80. start = time.monotonic()
  81. for i in range(0,100000):
  82. led.value = True
  83. led.value = False
  84. write_out("GPIO on/off benchmark", time.monotonic()-start)
  85.  
  86.  
  87. out = 0
  88. start = time.monotonic()
  89. for i in range(0,100000):
  90. out= out+i+i
  91. write_out("integer sum", time.monotonic()-start)
  92.  
  93. out = 0
  94. start = time.monotonic()
  95. for i in range(0,100000):
  96. out= out + i*i
  97. write_out("integer multi", time.monotonic()-start)
  98.  
  99. out=0.1
  100. start = time.monotonic()
  101. for i in range(0,100000):
  102. out=out+i+0.1
  103. write_out("float sum", time.monotonic()-start)
  104.  
  105. out=0.1
  106. start = time.monotonic()
  107. for i in range(0,100000):
  108. out=i*0.1*out
  109. write_out("float multi", time.monotonic()-start)
  110.  
  111. out=0.1
  112. start = time.monotonic()
  113. for i in range(0,100000):
  114. out=i/0.1 + out
  115. write_out("float divide multi", time.monotonic()-start)
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