Tianshou/test/base/test_env.py
2020-06-11 09:07:45 +08:00

63 lines
1.8 KiB
Python

import time
import numpy as np
from gym.spaces.discrete import Discrete
from tianshou.env import VectorEnv, SubprocVectorEnv, RayVectorEnv
if __name__ == '__main__':
from env import MyTestEnv
else: # pytest
from test.base.env import MyTestEnv
def test_vecenv(size=10, num=8, sleep=0.001):
verbose = __name__ == '__main__'
env_fns = [
lambda i=i: MyTestEnv(size=i, sleep=sleep)
for i in range(size, size + num)
]
venv = [
VectorEnv(env_fns),
SubprocVectorEnv(env_fns),
]
if verbose:
venv.append(RayVectorEnv(env_fns))
for v in venv:
v.seed()
action_list = [1] * 5 + [0] * 10 + [1] * 20
if not verbose:
o = [v.reset() for v in venv]
for i, a in enumerate(action_list):
o = []
for v in venv:
A, B, C, D = v.step([a] * num)
if sum(C):
A = v.reset(np.where(C)[0])
o.append([A, B, C, D])
for i in zip(*o):
for j in range(1, len(i) - 1):
assert (i[0] == i[j]).all()
else:
t = [0, 0, 0]
for i, e in enumerate(venv):
t[i] = time.time()
e.reset()
for a in action_list:
done = e.step([a] * num)[2]
if sum(done) > 0:
e.reset(np.where(done)[0])
t[i] = time.time() - t[i]
print(f'VectorEnv: {t[0]:.6f}s')
print(f'SubprocVectorEnv: {t[1]:.6f}s')
print(f'RayVectorEnv: {t[2]:.6f}s')
for v in venv:
assert v.size == list(range(size, size + num))
assert v.env_num == num
assert v.action_space == [Discrete(2)] * num
for v in venv:
v.close()
if __name__ == '__main__':
test_vecenv()