ray/rllib/tests/test_lstm.py

331 lines
11 KiB
Python

import numpy as np
import pickle
import unittest
import ray
from ray.rllib.algorithms.ppo import PPO
from ray.rllib.examples.env.debug_counter_env import DebugCounterEnv
from ray.rllib.examples.models.rnn_spy_model import RNNSpyModel
from ray.rllib.models import ModelCatalog
from ray.rllib.policy.rnn_sequencing import chop_into_sequences
from ray.rllib.policy.sample_batch import SampleBatch
from ray.rllib.utils.test_utils import check
from ray.tune.registry import register_env
class TestLSTMUtils(unittest.TestCase):
def test_basic(self):
eps_ids = [1, 1, 1, 5, 5, 5, 5, 5]
agent_ids = [1, 1, 1, 1, 1, 1, 1, 1]
f = [
[101, 102, 103, 201, 202, 203, 204, 205],
[[101], [102], [103], [201], [202], [203], [204], [205]],
]
s = [[209, 208, 207, 109, 108, 107, 106, 105]]
f_pad, s_init, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=np.ones_like(eps_ids),
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
)
self.assertEqual(
[f.tolist() for f in f_pad],
[
[101, 102, 103, 0, 201, 202, 203, 204, 205, 0, 0, 0],
[
[101],
[102],
[103],
[0],
[201],
[202],
[203],
[204],
[205],
[0],
[0],
[0],
],
],
)
self.assertEqual([s.tolist() for s in s_init], [[209, 109, 105]])
self.assertEqual(seq_lens.tolist(), [3, 4, 1])
def test_nested(self):
eps_ids = [1, 1, 1, 5, 5, 5, 5, 5]
agent_ids = [1, 1, 1, 1, 1, 1, 1, 1]
f = [
{
"a": np.array([1, 2, 3, 4, 13, 14, 15, 16]),
"b": {"ba": np.array([5, 6, 7, 8, 9, 10, 11, 12])},
}
]
s = [[209, 208, 207, 109, 108, 107, 106, 105]]
f_pad, s_init, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=np.ones_like(eps_ids),
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
handle_nested_data=True,
)
check(
f_pad,
[
[
[1, 2, 3, 0, 4, 13, 14, 15, 16, 0, 0, 0],
[5, 6, 7, 0, 8, 9, 10, 11, 12, 0, 0, 0],
]
],
)
self.assertEqual([s.tolist() for s in s_init], [[209, 109, 105]])
self.assertEqual(seq_lens.tolist(), [3, 4, 1])
def test_multi_dim(self):
eps_ids = [1, 1, 1]
agent_ids = [1, 1, 1]
obs = np.ones((84, 84, 4))
f = [[obs, obs * 2, obs * 3]]
s = [[209, 208, 207]]
f_pad, s_init, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=np.ones_like(eps_ids),
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
)
self.assertEqual(
[f.tolist() for f in f_pad],
[
np.array([obs, obs * 2, obs * 3]).tolist(),
],
)
self.assertEqual([s.tolist() for s in s_init], [[209]])
self.assertEqual(seq_lens.tolist(), [3])
def test_batch_id(self):
eps_ids = [1, 1, 1, 5, 5, 5, 5, 5]
batch_ids = [1, 1, 2, 2, 3, 3, 4, 4]
agent_ids = [1, 1, 1, 1, 1, 1, 1, 1]
f = [
[101, 102, 103, 201, 202, 203, 204, 205],
[[101], [102], [103], [201], [202], [203], [204], [205]],
]
s = [[209, 208, 207, 109, 108, 107, 106, 105]]
_, _, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=batch_ids,
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
)
self.assertEqual(seq_lens.tolist(), [2, 1, 1, 2, 2])
def test_multi_agent(self):
eps_ids = [1, 1, 1, 5, 5, 5, 5, 5]
agent_ids = [1, 1, 2, 1, 1, 2, 2, 3]
f = [
[101, 102, 103, 201, 202, 203, 204, 205],
[[101], [102], [103], [201], [202], [203], [204], [205]],
]
s = [[209, 208, 207, 109, 108, 107, 106, 105]]
f_pad, s_init, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=np.ones_like(eps_ids),
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
dynamic_max=False,
)
self.assertEqual(seq_lens.tolist(), [2, 1, 2, 2, 1])
self.assertEqual(len(f_pad[0]), 20)
self.assertEqual(len(s_init[0]), 5)
def test_dynamic_max_len(self):
eps_ids = [5, 2, 2]
agent_ids = [2, 2, 2]
f = [[1, 1, 1]]
s = [[1, 1, 1]]
f_pad, s_init, seq_lens = chop_into_sequences(
episode_ids=eps_ids,
unroll_ids=np.ones_like(eps_ids),
agent_indices=agent_ids,
feature_columns=f,
state_columns=s,
max_seq_len=4,
)
self.assertEqual([f.tolist() for f in f_pad], [[1, 0, 1, 1]])
self.assertEqual([s.tolist() for s in s_init], [[1, 1]])
self.assertEqual(seq_lens.tolist(), [1, 2])
class TestRNNSequencing(unittest.TestCase):
def setUp(self) -> None:
ray.init(num_cpus=4)
def tearDown(self) -> None:
ray.shutdown()
def test_simple_optimizer_sequencing(self):
ModelCatalog.register_custom_model("rnn", RNNSpyModel)
register_env("counter", lambda _: DebugCounterEnv())
ppo = PPO(
env="counter",
config={
"num_workers": 0,
"rollout_fragment_length": 10,
"train_batch_size": 10,
"sgd_minibatch_size": 10,
"num_sgd_iter": 1,
"simple_optimizer": True,
"model": {
"custom_model": "rnn",
"max_seq_len": 4,
"vf_share_layers": True,
},
"framework": "tf",
},
)
ppo.train()
ppo.train()
batch0 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_0")
)
self.assertEqual(
batch0["sequences"].tolist(),
[[[0], [1], [2], [3]], [[4], [5], [6], [7]], [[8], [9], [0], [0]]],
)
self.assertEqual(batch0[SampleBatch.SEQ_LENS].tolist(), [4, 4, 2])
self.assertEqual(batch0["state_in"][0][0].tolist(), [0, 0, 0])
self.assertEqual(batch0["state_in"][1][0].tolist(), [0, 0, 0])
self.assertGreater(abs(np.sum(batch0["state_in"][0][1])), 0)
self.assertGreater(abs(np.sum(batch0["state_in"][1][1])), 0)
self.assertTrue(
np.allclose(
batch0["state_in"][0].tolist()[1:], batch0["state_out"][0].tolist()[:-1]
)
)
self.assertTrue(
np.allclose(
batch0["state_in"][1].tolist()[1:], batch0["state_out"][1].tolist()[:-1]
)
)
batch1 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_1")
)
self.assertEqual(
batch1["sequences"].tolist(),
[
[[10], [11], [12], [13]],
[[14], [0], [0], [0]],
[[0], [1], [2], [3]],
[[4], [0], [0], [0]],
],
)
self.assertEqual(batch1[SampleBatch.SEQ_LENS].tolist(), [4, 1, 4, 1])
self.assertEqual(batch1["state_in"][0][2].tolist(), [0, 0, 0])
self.assertEqual(batch1["state_in"][1][2].tolist(), [0, 0, 0])
self.assertGreater(abs(np.sum(batch1["state_in"][0][0])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][0])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][0][1])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][1])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][0][3])), 0)
self.assertGreater(abs(np.sum(batch1["state_in"][1][3])), 0)
def test_minibatch_sequencing(self):
ModelCatalog.register_custom_model("rnn", RNNSpyModel)
register_env("counter", lambda _: DebugCounterEnv())
ppo = PPO(
env="counter",
config={
"shuffle_sequences": False, # for deterministic testing
"num_workers": 0,
"rollout_fragment_length": 20,
"train_batch_size": 20,
"sgd_minibatch_size": 10,
"num_sgd_iter": 1,
"model": {
"custom_model": "rnn",
"max_seq_len": 4,
"vf_share_layers": True,
},
"framework": "tf",
},
)
ppo.train()
ppo.train()
# first epoch: 20 observations get split into 2 minibatches of 8
# four observations are discarded
batch0 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_0")
)
batch1 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_1")
)
if batch0["sequences"][0][0][0] > batch1["sequences"][0][0][0]:
batch0, batch1 = batch1, batch0 # sort minibatches
self.assertEqual(batch0[SampleBatch.SEQ_LENS].tolist(), [4, 4, 2])
self.assertEqual(batch1[SampleBatch.SEQ_LENS].tolist(), [2, 3, 4, 1])
check(
batch0["sequences"],
[
[[0], [1], [2], [3]],
[[4], [5], [6], [7]],
[[8], [9], [0], [0]],
],
)
check(
batch1["sequences"],
[
[[10], [11], [0], [0]],
[[12], [13], [14], [0]],
[[0], [1], [2], [3]],
[[4], [0], [0], [0]],
],
)
# second epoch: 20 observations get split into 2 minibatches of 8
# four observations are discarded
batch2 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_2")
)
batch3 = pickle.loads(
ray.experimental.internal_kv._internal_kv_get("rnn_spy_in_3")
)
if batch2["sequences"][0][0][0] > batch3["sequences"][0][0][0]:
batch2, batch3 = batch3, batch2
self.assertEqual(batch2[SampleBatch.SEQ_LENS].tolist(), [4, 4, 2])
self.assertEqual(batch3[SampleBatch.SEQ_LENS].tolist(), [4, 4, 2])
check(
batch2["sequences"],
[
[[0], [1], [2], [3]],
[[4], [5], [6], [7]],
[[8], [9], [0], [0]],
],
)
check(
batch3["sequences"],
[
[[5], [6], [7], [8]],
[[9], [10], [11], [12]],
[[13], [14], [0], [0]],
],
)
if __name__ == "__main__":
import pytest
import sys
sys.exit(pytest.main(["-v", __file__]))