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 import SoftPosit.python.softposit as sp1
  35 import SoftPosit.python._softposit as sp2
  36 zero = 0.0
  37 one = 1.0
  38 sfpy_a = sfpy.Posit16(1.3)
  39 sfpy_b = sfpy.Posit16(-0.5)
  40 sfpy_c = sfpy.Posit16(15.0)
  41 sfpy_q = sfpy.Quire16(0)
  42
  43 sp1_a = sp1.posit16(1.3)
  44 sp1_b = sp1.posit16(-0.5)
  45 sp1_c = sp1.posit16(15.0)
  46 sp1_q = sp1.quire16()
  47 """
  48 """
  49 sp2_a = sp2.convertDoubleToP16(1.3)
  50 sp2_b = sp2.convertDoubleToP16(-0.5)
  51 sp2_c = sp2.convertDoubleToP16(15.0)
  52 sp2_q = sp2.new_quire16_t()
  53 """
  54
  55 ops_sec('pass', setup)
  56 ops_sec('sfpy.Posit16(0)', setup)
  57 ops_sec('sp1.posit16(0)', setup)
  58 #ops_sec('sp2.new_posit16_t()', setup)
  59
  60 ops_sec('one + zero', setup)
  61 ops_sec('sfpy_a + sfpy_b', setup)
  62 ops_sec('sp1_a + sp1_b', setup)
  63 #ops_sec('sp2_a + sp2_b', setup)
  64
  65 ops_sec('sfpy_c += sfpy_b', setup)
  66
  67 # ops_sec('P8(0)', setup)
  68 # ops_sec('P8("0")', setup)
  69 # ops_sec('P8.from_bits(0)', setup)
  70
  71 # ops_sec('1.1 + 2', setup)
  72 # ops_sec('a + b', setup)
  73 # ops_sec('a.add(b)', setup)
  74 # ops_sec('zero += 1', setup)
  75 # ops_sec('a += b', setup)
  76 # ops_sec('a.iadd(b)', setup)
  77
  78 # ops_sec('q.fdp_add(b, c)', setup)