[RLlib] Preparatory PR: Make EnvRunners use (enhanced) Connector API (#01: mostly cleanups and small fixes) #41074

sven1977 · 2023-11-10T14:17:29Z

Preparatory PR: Make EnvRunners use (enhanced) Connector API (#1: mostly cleanups and small fixes)

Why are these changes needed?

Related issue number

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I've signed off every commit(by using the -s flag, i.e., git commit -s) in this PR.
I've run scripts/format.sh to lint the changes in this PR.
I've included any doc changes needed for https://docs.ray.io/en/master/.
- I've added any new APIs to the API Reference. For example, if I added a
  method in Tune, I've added it in doc/source/tune/api/ under the
  corresponding .rst file.
I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
Testing Strategy
- Unit tests
- Release tests
- This PR is not tested :(

Signed-off-by: sven1977 <svenmika1977@gmail.com>

sven1977 · 2023-11-14T11:35:03Z

rllib/algorithms/algorithm.py

@@ -1932,7 +1932,10 @@ def compute_actions(
 filtered_obs, filtered_state = [], []
 for agent_id, ob in observations.items():
 worker = self.workers.local_worker()
- preprocessed = worker.preprocessors[policy_id].transform(ob)
+ if worker.preprocessors.get(policy_id) is not None:


This is a bug fix.

sven1977 · 2023-11-14T11:35:34Z

rllib/algorithms/algorithm_config.py

@@ -319,26 +319,37 @@ def __init__(self, algo_class=None):
 # If not specified, we will try to auto-detect this.
 self._is_atari = None

+ # TODO (sven): Rename this method into `AlgorithmConfig.sampling()`


Now that we are aiming for a the EnvRunner API as the default, we should rename/clarify some of these config settings and methods.

Please consider loading a checkpoint here? Are these renaming backward compatible?

Is there even a story around this? Like can people even move from rllib 2+ to 3?

sven1977 · 2023-11-14T11:35:56Z

rllib/core/models/torch/encoder.py

@@ -285,30 +285,31 @@ def __init__(self, config: RecurrentEncoderConfig) -> None:
 bias=config.use_bias,
 )

+ self.state_in_out_spec = {


Simplified (repetitive) code.

make this private attribute?

sven1977 · 2023-11-14T11:37:01Z

rllib/env/multi_agent_episode.py

@@ -212,75 +212,75 @@ def get_observations(

 return self._getattr_by_index("observations", indices, global_ts)

- def get_actions(
+ def get_infos(


Reordered:

obs, infos (<- env.reset data)

action, reward, terminated/truncated (<- other env.step results)

extra model outs

sven1977 · 2023-11-14T11:37:17Z

rllib/env/single_agent_env_runner.py

- gym.register(
- "custom-env-v0",
- partial(
+ if (


sven1977 · 2023-11-14T11:37:43Z

rllib/evaluation/worker_set.py

@@ -690,6 +690,9 @@ def foreach_worker(
 if local_worker and self.local_worker() is not None:
 local_result = [func(self.local_worker())]

+ if not self.__worker_manager.actor_ids():


Shortcut for local-worker only case.

sven1977 · 2023-11-14T11:37:56Z

rllib/tuned_examples/appo/multi-agent-cartpole-crashing-restart-env-appo.yaml

@@ -30,7 +30,7 @@ multi-agent-cartpole-crashing-appo:
 # Switch on resiliency for failed sub environments (within a vectorized stack).
 restart_failed_sub_environments: true

- # Switch on evaluation workers being managed by AsyncRequestsManager object.
+ # Switch on asynchronous handling of evaluation workers.


AsyncRequestsManager doesn't exist anymore.

sven1977 · 2023-11-14T11:38:20Z

rllib/utils/spaces/space_utils.py

@@ -205,6 +205,56 @@ def flatten_to_single_ndarray(input_):
 return input_


+@DeveloperAPI


Very useful new utility. Inverse of already existing unbatch utility.

kouroshHakha · 2023-11-16T04:26:32Z

rllib/algorithms/algorithm_config.py

@@ -319,26 +319,37 @@ def __init__(self, algo_class=None):
 # If not specified, we will try to auto-detect this.
 self._is_atari = None

+ # TODO (sven): Rename this method into `AlgorithmConfig.sampling()`


Please consider loading a checkpoint here? Are these renaming backward compatible?

kouroshHakha · 2023-11-16T04:28:05Z

rllib/algorithms/algorithm_config.py

@@ -319,26 +319,37 @@ def __init__(self, algo_class=None):
 # If not specified, we will try to auto-detect this.
 self._is_atari = None

+ # TODO (sven): Rename this method into `AlgorithmConfig.sampling()`


Is there even a story around this? Like can people even move from rllib 2+ to 3?

kouroshHakha · 2023-11-16T04:32:01Z

rllib/core/models/torch/encoder.py

@@ -285,30 +285,31 @@ def __init__(self, config: RecurrentEncoderConfig) -> None:
 bias=config.use_bias,
 )

+ self.state_in_out_spec = {


make this private attribute?

kouroshHakha · 2023-11-16T05:16:32Z

rllib/utils/spaces/space_utils.py

@@ -205,6 +205,56 @@ def flatten_to_single_ndarray(input_):
 return input_


+@DeveloperAPI
+def batch(list_of_structs, individual_items_already_have_batch_1: bool = False):


data types please (for input and output)

can we have unittest of this ?

done and done

also enhanced the docstring to make the example and explanations more clear.

kouroshHakha · 2023-11-16T05:21:32Z

rllib/utils/spaces/space_utils.py

+ flat = [[] for _ in range(len(flattened_item))]
+ for i, value in enumerate(flattened_item):
+ flat[i].append(value)
+


add:

if item is None: raise ValueError("Input list_of_structs does not contain valid structs.")

kouroshHakha · 2023-11-16T05:21:57Z

rllib/utils/spaces/space_utils.py

+ in this struct represents the batch for a single component
+ (in case struct is tuple/dict). Alternatively, a simple batch of
+ primitives (non tuple/dict) might be returned.
+ """


add

if not list_of_structs: raise ValueError("Input list_of_structs is empty.")

Signed-off-by: sven1977 <svenmika1977@gmail.com>

sven1977 · 2023-11-16T11:16:36Z

Thanks for the review @kouroshHakha ! Waiting for tests to pass ...

Signed-off-by: sven1977 <svenmika1977@gmail.com>

…anups

…and fixes. (ray-project#41074)

…41074) (#41212)

…rV2` API. (ray-project#41074) (ray-project#41212)

wip

017dcfc

Signed-off-by: sven1977 <svenmika1977@gmail.com>

sven1977 requested review from avnishn, ArturNiederfahrenhorst, smorad, maxpumperla and kouroshHakha as code owners November 10, 2023 14:17

sven1977 assigned kouroshHakha Nov 10, 2023

sven1977 commented Nov 14, 2023

View reviewed changes

rllib/env/single_agent_env_runner.py Outdated

gym.register(

"custom-env-v0",

partial(

if (

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sven1977 Nov 14, 2023

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Bug fix.

sven1977 commented Nov 14, 2023

View reviewed changes

sven1977 mentioned this pull request Nov 14, 2023

[RLlib] New ConnectorV2 API #02: SingleAgentEpisode enhancements. #41075

Merged

8 tasks

kouroshHakha approved these changes Nov 16, 2023

View reviewed changes

wip

768b88c

Signed-off-by: sven1977 <svenmika1977@gmail.com>

sven1977 added 2 commits November 16, 2023 12:27

wip

1b7d1cc

Signed-off-by: sven1977 <svenmika1977@gmail.com>

Merge branch 'master' into env_runner_support_connectors_01_minor_cle…

aed527f

…anups

sven1977 merged commit ca29fec into ray-project:master Nov 17, 2023
14 of 15 checks passed

sven1977 deleted the env_runner_support_connectors_01_minor_cleanups branch November 17, 2023 11:29

rickyyx mentioned this pull request Nov 22, 2023

[ci][core] Perf regression on tasks_per_second, pgs_per_second #41338

Closed

ujjawal-khare pushed a commit to ujjawal-khare-27/ray that referenced this pull request Nov 29, 2023

[RLlib] New ConnectorV2 API ray-project#1: Some preparatory cleanups …

f608186

…and fixes. (ray-project#41074)

sven1977 added a commit that referenced this pull request Dec 21, 2023

[RLlib] New ConnectorV2 API #3: Introduce actual ConnectorV2 API. (#…

bd555a0

…41074) (#41212)

vickytsang pushed a commit to ROCm/ray that referenced this pull request Jan 12, 2024

[RLlib] New ConnectorV2 API ray-project#3: Introduce actual `Connecto…

ad4e256

…rV2` API. (ray-project#41074) (ray-project#41212)

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[RLlib] Preparatory PR: Make EnvRunners use (enhanced) Connector API (#01: mostly cleanups and small fixes) #41074

[RLlib] Preparatory PR: Make EnvRunners use (enhanced) Connector API (#01: mostly cleanups and small fixes) #41074

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sven1977 commented Nov 16, 2023

		@@ -205,6 +205,56 @@ def flatten_to_single_ndarray(input_):
		return input_


		@DeveloperAPI

[RLlib] Preparatory PR: Make EnvRunners use (enhanced) Connector API (#01: mostly cleanups and small fixes) #41074

[RLlib] Preparatory PR: Make EnvRunners use (enhanced) Connector API (#01: mostly cleanups and small fixes) #41074

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sven1977 commented Nov 10, 2023 • edited Loading

Why are these changes needed?

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sven1977 commented Nov 16, 2023

sven1977 commented Nov 10, 2023 •

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