def test_base(self):
# create a dependency network, and see how the performance changes
# when adjusting the amount of threads
pool = ThreadPool(0)
ni = 1000 # number of items to process
for num_threads in range(0, self.max_threads*2 + 1, self.max_threads // 2):
pool.set_size(num_threads)
for num_transformers in (1, 5, 10):
for read_mode in range(2):
ts, rcs = add_task_chain(pool, ni, count=num_transformers,
feedercls=IteratorThreadTask,
transformercls=FixturePerformanceThreadTask,
include_verifier=False)
mode_info = "read(0)"
if read_mode == 1:
mode_info = "read(1) * %i" % ni
# END mode info
fmt = "Threadcount=%%i: Produced %%i items using %s in %%i transformations in %%f s (%%f items / s)\n" % mode_info
reader = rcs[-1]
st = time.time()
if read_mode == 1:
for i in range(ni):
assert len(reader.read(1)) == 1
# END for each item to read
else:
assert len(reader.read(0)) == ni
# END handle read mode
elapsed = time.time() - st
sys.stderr.write(fmt % (num_threads, ni, num_transformers, elapsed, ni / elapsed))
