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Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We

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still sleep at all to make it likely that all threads are active at the same
time.
This commit is contained in:
Jeffrey Yasskin 2008-03-18 04:56:06 +00:00
parent b1d3d96374
commit a14585308a
1 changed files with 10 additions and 6 deletions
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16
Lib/test/test_thread.py
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@ -10,10 +10,13 @@
NUMTRIPS = 3
_print_mutex = thread.allocate_lock()
def verbose_print(arg):
"""Helper function for printing out debugging output."""
if test_support.verbose:
print arg
with _print_mutex:
print arg
class BasicThreadTest(unittest.TestCase):
@ -38,8 +41,8 @@ def newtask(self):
def task(self, ident):
with self.random_mutex:
delay = random.random() * NUMTASKS
verbose_print("task %s will run for %s" % (ident, round(delay, 1)))
delay = random.random() / 10000.0
verbose_print("task %s will run for %sus" % (ident, round(delay*1e6)))
time.sleep(delay)
verbose_print("task %s done" % ident)
with self.running_mutex:
@ -138,11 +141,12 @@ def task2(self, ident):
# give it a good chance to enter the next
# barrier before the others are all out
# of the current one
delay = 0.001
delay = 0
else:
with self.random_mutex:
delay = random.random() * NUMTASKS
verbose_print("task %s will run for %s" % (ident, round(delay, 1)))
delay = random.random() / 10000.0
verbose_print("task %s will run for %sus" %
(ident, round(delay * 1e6)))
time.sleep(delay)
verbose_print("task %s entering %s" % (ident, i))
self.bar.enter()