""" Tests the stopwatch does what is supposed to do """
from n3fit.stopwatch import StopWatch
[docs]def time_comparer(internal_dict, computed_dict, base_time):
for key, timing in internal_dict.items():
diff = timing - base_time
computed = computed_dict[key]
assert computed == diff
[docs]def test_register_times():
watch = StopWatch()
watch.register_times("now")
time_dict = watch.stop()
# Check that the internal times are consistent
internal_cputimes = watch._cputimes
internal_walltimes = watch._walltimes
start_cpu, start_wall = watch.get_times()
time_comparer(internal_cputimes, time_dict["cputime"], start_cpu)
time_comparer(internal_walltimes, time_dict["walltime"], start_wall)
[docs]def test_register_ref():
base1 = "p1"
base2 = "p2"
watch = StopWatch()
watch.register_times(base1)
watch.register_ref(base2, base1)
time_dict = watch.stop()
# Get the absolute times of the bases we got
b1_cpu, b1_wall = watch.get_times(base1)
b2_cpu, b2_wall = watch.get_times(base2)
# Compute the differences
cpu_diff = b2_cpu - b1_cpu
wall_diff = b2_wall - b1_wall
# Check that the watch got the same
keyname = f"{base1}_to_{base2}"
assert time_dict["cputime"][keyname] == cpu_diff
assert time_dict["walltime"][keyname] == wall_diff