1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
"""Benchmarking spawn() performance.
"""
import sys
import os
import random
from time import time
def init():
global N, counter
N = 10000
counter = 0
init()
def incr(sleep, **kwargs):
global counter
counter += 1
sleep(0)
def noop(p):
pass
def test(spawn, sleep, kwargs):
start = time()
for _ in xrange(N):
spawn(incr, sleep, **kwargs)
delta = time() - start
print 'spawning: %.1f microseconds per greenlet' % (delta * 1000000.0 / N)
assert counter == 0, counter
start = time()
sleep(0)
delta = time() - start
assert counter == N, (counter, N)
print 'sleep(0): %.1f microseconds per greenlet' % (delta * 1000000.0 / N)
def bench_none(options):
kwargs = options.kwargs
start = time()
for _ in xrange(N):
incr(noop, **kwargs)
delta = time() - start
assert counter == N, (counter, N)
print '%.2f microseconds' % (delta * 1000000.0 / N)
def bench_gevent(options):
import gevent
print 'using gevent from %s' % gevent.__file__
from gevent import spawn, sleep
test(spawn, sleep, options.kwargs)
def bench_geventraw(options):
import gevent
print 'using gevent from %s' % gevent.__file__
from gevent import sleep, spawn_raw
test(spawn_raw, sleep, options.kwargs)
def bench_geventpool(options):
import gevent
print 'using gevent from %s' % gevent.__file__
from gevent import sleep
from gevent.pool import Pool
p = Pool()
test(p.spawn, sleep, options.kwargs)
start = time()
p.join()
delta = time() - start
print 'joining: %.1f microseconds per greenlet' % (delta * 1000000.0 / N)
def bench_eventlet(options):
try:
import eventlet
except ImportError:
if options.ignore_import_errors:
return
raise
print 'using eventlet from %s' % eventlet.__file__
from eventlet.api import spawn, sleep, use_hub
if options.eventlet_hub is not None:
use_hub(options.eventlet_hub)
test(spawn, sleep, options.kwargs)
def bench_eventlet1(options):
try:
import eventlet
except ImportError:
if options.ignore_import_errors:
return
raise
print 'using eventlet from %s' % eventlet.__file__
from eventlet.proc import spawn_greenlet as spawn
from eventlet.api import sleep, use_hub
if options.eventlet_hub:
use_hub(options.eventlet_hub)
if options.with_kwargs:
print 'eventlet.proc.spawn_greenlet does support kwargs'
return
test(spawn, sleep, options.kwargs)
def bench_all(options):
import time
error = 0
names = all()
random.shuffle(names)
for func in names:
cmd = '%s %s %s --ignore-import-errors' % (sys.executable, __file__, func)
print cmd
sys.stdout.flush()
time.sleep(0.01)
if os.system(cmd):
error = 1
print '%s failed' % cmd
print
for func in names:
cmd = '%s %s --with-kwargs %s --ignore-import-errors' % (sys.executable, __file__, func)
print cmd
sys.stdout.flush()
if os.system(cmd):
error = 1
print '%s failed' % cmd
print
if error:
sys.exit(1)
def all():
result = [x for x in globals() if x.startswith('bench_') and x != 'bench_all']
result.sort(key=lambda x: globals()[x].func_code.co_firstlineno)
result = [x.replace('bench_', '') for x in result]
return result
def all_functions():
return [globals()['bench_%s' % x] for x in all()]
if __name__ == '__main__':
USAGE = 'USAGE: python %s [--with-kwargs] [--eventlet-hub HUB] %s' % (sys.argv[0], '|'.join(all()))
if not sys.argv[1:]:
sys.exit(USAGE)
import optparse
parser = optparse.OptionParser()
parser.add_option('--with-kwargs', default=False, action='store_true')
parser.add_option('--eventlet-hub')
parser.add_option('--ignore-import-errors', action='store_true')
options, args = parser.parse_args()
if options.with_kwargs:
options.kwargs = {'foo': 1, 'bar': 'hello'}
else:
options.kwargs = {}
if len(args) != 1:
sys.exit(USAGE)
if args[0] == 'all':
bench_all(options)
else:
if args[0] not in all():
sys.exit(USAGE)
function = globals()['bench_' + args[0]]
function(options)
|
