timing.py

   1 """Some basic performance tests for the wrapper class"""
   2
   3 import timeit
   4
   5
   6 def ops_sec(stmt, setup):
   7     # print('----')
   8     # print(setup)
   9     print('-- timing: --')
  10     print(stmt)
  11     print('----')
  12
  13     timer = timeit.Timer(stmt, setup)
  14     iters, time = timer.autorange()
  15
  16     rate = iters/time
  17     if rate > 1000000000:
  18         erate = rate / 1000000000
  19         unit = 'Gops'
  20     elif rate > 1000000:
  21         erate = rate / 1000000
  22         unit = 'Mops'
  23     elif rate > 1000:
  24         erate = rate / 1000
  25         unit = 'kops'
  26     else:
  27         erate = rate
  28         unit = 'ops'
  29
  30     print('{} ops, {} s, {} {}/s\n'.format(iters, time, erate, unit))
  31
  32
  33 setup = """import sfpy
  34 P8 = sfpy.Posit8
  35 Q8 = sfpy.Quire8
  36 a = P8(1.3)
  37 b = P8(-0.5)
  38 c = P8(15.0)
  39 q = Q8()
  40 zero = 0.0
  41 """
  42
  43 ops_sec('pass', setup)
  44 ops_sec('P8(0)', setup)
  45 ops_sec('P8("0")', setup)
  46 ops_sec('P8.from_bits(0)', setup)
  47
  48 ops_sec('1.1 + 2', setup)
  49 ops_sec('a + b', setup)
  50 ops_sec('a.add(b)', setup)
  51 ops_sec('zero += 1', setup)
  52 ops_sec('a += b', setup)
  53 ops_sec('a.iadd(b)', setup)
  54
  55 ops_sec('q.fdp_add(b, c)', setup)