python-eventlet/benchmarks/spawn.py

   1 """Compare spawn to spawn_n"""
   2 from __future__ import print_function
   3
   4 import eventlet
   5 import benchmarks
   6
   7
   8 def cleanup():
   9     eventlet.sleep(0.2)
  10
  11
  12 iters = 10000
  13 best = benchmarks.measure_best(
  14     5, iters,
  15     'pass',
  16     cleanup,
  17     eventlet.sleep)
  18 print("eventlet.sleep (main)", best[eventlet.sleep])
  19
  20 gt = eventlet.spawn(
  21     benchmarks.measure_best, 5, iters,
  22     'pass',
  23     cleanup,
  24     eventlet.sleep)
  25 best = gt.wait()
  26 print("eventlet.sleep (gt)", best[eventlet.sleep])
  27
  28
  29 def dummy(i=None):
  30     return i
  31
  32
  33 def run_spawn():
  34     eventlet.spawn(dummy, 1)
  35
  36
  37 def run_spawn_n():
  38     eventlet.spawn_n(dummy, 1)
  39
  40
  41 def run_spawn_n_kw():
  42     eventlet.spawn_n(dummy, i=1)
  43
  44
  45 best = benchmarks.measure_best(
  46     5, iters,
  47     'pass',
  48     cleanup,
  49     run_spawn_n,
  50     run_spawn,
  51     run_spawn_n_kw)
  52 print("eventlet.spawn", best[run_spawn])
  53 print("eventlet.spawn_n", best[run_spawn_n])
  54 print("eventlet.spawn_n(**kw)", best[run_spawn_n_kw])
  55 print("%% %0.1f" % ((best[run_spawn] - best[run_spawn_n]) / best[run_spawn_n] * 100))
  56
  57 pool = None
  58
  59
  60 def setup():
  61     global pool
  62     pool = eventlet.GreenPool(iters)
  63
  64
  65 def run_pool_spawn():
  66     pool.spawn(dummy, 1)
  67
  68
  69 def run_pool_spawn_n():
  70     pool.spawn_n(dummy, 1)
  71
  72
  73 def cleanup_pool():
  74     pool.waitall()
  75
  76
  77 best = benchmarks.measure_best(
  78     3, iters,
  79     setup,
  80     cleanup_pool,
  81     run_pool_spawn,
  82     run_pool_spawn_n,
  83 )
  84 print("eventlet.GreenPool.spawn", best[run_pool_spawn])
  85 print("eventlet.GreenPool.spawn_n", best[run_pool_spawn_n])
  86 print("%% %0.1f" % ((best[run_pool_spawn] - best[run_pool_spawn_n]) / best[run_pool_spawn_n] * 100))