Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We
still sleep at all to make it likely that all threads are active at the same
time.
diff --git a/Lib/test/test_thread.py b/Lib/test/test_thread.py
index f0d66c7..ffd5244 100644
--- a/Lib/test/test_thread.py
+++ b/Lib/test/test_thread.py
@@ -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 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 @@
# 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()