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[rllib] Initial work on integrating hyperparameter search tool (#1107)
* clean up train * update * update train script * add tuned examples * add agent catalog * add tune lib * update * fix * testS * remove * train docs * comments * todo * fix resource parsing * fix cr test * add test * try to fix travis test
This commit is contained in:
Eric Liang
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import unittest
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import ray
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from ray.tune.trial import Trial, Resources
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from ray.tune.trial_runner import TrialRunner
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from ray.tune.config_parser import parse_to_trials
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class ConfigParserTest(unittest.TestCase):
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def testParseToTrials(self):
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trials = parse_to_trials({
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"tune-pong": {
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"env": "Pong-v0",
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"alg": "PPO",
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"num_trials": 2,
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"config": {
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"foo": "bar"
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},
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},
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})
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self.assertEqual(len(trials), 2)
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self.assertEqual(trials[0].env_name, "Pong-v0")
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self.assertEqual(trials[0].config, {"foo": "bar"})
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self.assertEqual(trials[0].alg, "PPO")
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self.assertEqual(trials[0].agent_id, "0")
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self.assertEqual(trials[0].local_dir, "/tmp/ray/tune-pong")
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self.assertEqual(trials[1].agent_id, "1")
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def testEval(self):
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trials = parse_to_trials({
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"tune-pong": {
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"env": "Pong-v0",
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"config": {
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"foo": {
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"eval": "2 + 2"
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},
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},
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},
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})
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self.assertEqual(len(trials), 1)
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self.assertEqual(trials[0].config, {"foo": 4})
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self.assertEqual(trials[0].agent_id, "0_foo=4")
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def testGridSearch(self):
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trials = parse_to_trials({
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"tune-pong": {
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"env": "Pong-v0",
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"num_trials": 6,
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"config": {
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"bar": {
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"grid_search": [True, False]
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},
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"foo": {
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"grid_search": [1, 2, 3]
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},
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},
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},
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})
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self.assertEqual(len(trials), 6)
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self.assertEqual(trials[0].config, {"bar": True, "foo": 1})
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self.assertEqual(trials[0].agent_id, "0_bar=True_foo=1")
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self.assertEqual(trials[1].config, {"bar": False, "foo": 1})
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self.assertEqual(trials[1].agent_id, "1_bar=False_foo=1")
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self.assertEqual(trials[2].config, {"bar": True, "foo": 2})
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self.assertEqual(trials[3].config, {"bar": False, "foo": 2})
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self.assertEqual(trials[4].config, {"bar": True, "foo": 3})
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self.assertEqual(trials[5].config, {"bar": False, "foo": 3})
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def testGridSearchAndEval(self):
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trials = parse_to_trials({
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"tune-pong": {
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"env": "Pong-v0",
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"num_trials": 1,
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"config": {
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"qux": {
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"eval": "2 + 2"
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},
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"bar": {
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"grid_search": [True, False]
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},
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"foo": {
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"grid_search": [1, 2, 3]
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},
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},
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},
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})
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self.assertEqual(len(trials), 1)
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self.assertEqual(trials[0].config, {"bar": True, "foo": 1, "qux": 4})
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self.assertEqual(trials[0].agent_id, "0_bar=True_foo=1_qux=4")
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class TrialRunnerTest(unittest.TestCase):
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def tearDown(self):
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ray.worker.cleanup()
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def testTrialStatus(self):
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ray.init()
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trial = Trial("CartPole-v0", "__fake")
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self.assertEqual(trial.status, Trial.PENDING)
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trial.start()
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self.assertEqual(trial.status, Trial.RUNNING)
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trial.stop()
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self.assertEqual(trial.status, Trial.TERMINATED)
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trial.stop(error=True)
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self.assertEqual(trial.status, Trial.ERROR)
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def testTrialErrorOnStart(self):
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ray.init()
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trial = Trial("CartPole-v0", "asdf")
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try:
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trial.start()
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except Exception as e:
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self.assertIn("Unknown algorithm", str(e))
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def testResourceScheduler(self):
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ray.init(num_cpus=4, num_gpus=1)
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runner = TrialRunner()
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kwargs = {
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"stopping_criterion": {"training_iteration": 1},
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"resources": Resources(cpu=1, gpu=1),
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}
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trials = [
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Trial("CartPole-v0", "__fake", **kwargs),
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Trial("CartPole-v0", "__fake", **kwargs)]
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for t in trials:
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runner.add_trial(t)
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runner.step()
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self.assertEqual(trials[0].status, Trial.RUNNING)
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self.assertEqual(trials[1].status, Trial.PENDING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.TERMINATED)
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self.assertEqual(trials[1].status, Trial.PENDING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.TERMINATED)
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self.assertEqual(trials[1].status, Trial.RUNNING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.TERMINATED)
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self.assertEqual(trials[1].status, Trial.TERMINATED)
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def testMultiStepRun(self):
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ray.init(num_cpus=4, num_gpus=2)
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runner = TrialRunner()
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kwargs = {
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"stopping_criterion": {"training_iteration": 5},
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"resources": Resources(cpu=1, gpu=1),
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}
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trials = [
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Trial("CartPole-v0", "__fake", **kwargs),
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Trial("CartPole-v0", "__fake", **kwargs)]
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for t in trials:
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runner.add_trial(t)
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runner.step()
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self.assertEqual(trials[0].status, Trial.RUNNING)
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self.assertEqual(trials[1].status, Trial.PENDING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.RUNNING)
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self.assertEqual(trials[1].status, Trial.RUNNING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.RUNNING)
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self.assertEqual(trials[1].status, Trial.RUNNING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.RUNNING)
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self.assertEqual(trials[1].status, Trial.RUNNING)
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def testErrorHandling(self):
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ray.init(num_cpus=4, num_gpus=2)
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runner = TrialRunner()
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kwargs = {
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"stopping_criterion": {"training_iteration": 1},
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"resources": Resources(cpu=1, gpu=1),
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}
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trials = [
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Trial("CartPole-v0", "asdf", **kwargs),
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Trial("CartPole-v0", "__fake", **kwargs)]
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for t in trials:
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runner.add_trial(t)
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runner.step()
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self.assertEqual(trials[0].status, Trial.ERROR)
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self.assertEqual(trials[1].status, Trial.PENDING)
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runner.step()
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self.assertEqual(trials[0].status, Trial.ERROR)
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self.assertEqual(trials[1].status, Trial.RUNNING)
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if __name__ == "__main__":
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unittest.main(verbosity=2)
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