[CI; RLlib] Increase parallel example scripts processes from 5 to 6. (#49217)

Author: sven1977

.buildkite/rllib.rayci.yml

@@ -51,7 +51,7 @@ steps:
 
   - label: ":brain: rllib: examples"
     tags: rllib
-    parallelism: 5
+    parallelism: 6
     instance_type: large
     commands:
       - bazel run //ci/ray_ci:test_in_docker -- //rllib/... rllib

.buildkite/rllib_contrib.rayci.yml

@@ -390,29 +390,6 @@ Take a look at this model example that does exactly that:
    :end-before: __sphinx_doc_end__
 
 
-**Using the Trajectory View API: Passing in the last n actions (or rewards or observations) as inputs to a custom Model**
-
-It is sometimes helpful for learning not only to look at the current observation
-in order to calculate the next action, but also at the past n observations.
-In other cases, you may want to provide the most recent rewards or actions to the model as well
-(like our LSTM wrapper does if you specify: ``use_lstm=True`` and ``lstm_use_prev_action/reward=True``).
-All this may even be useful when not working with partially observable environments (PO-MDPs)
-and/or RNN/Attention models, as for example in classic Atari runs, where we usually use framestacking of
-the last four observed images.
-
-The trajectory view API allows your models to specify these more complex "view requirements".
-
-Here is a simple (non-RNN/Attention) example of a Model that takes as input
-the last 3 observations (very similar to the recommended "framestacking" for
-learning in Atari environments):
-
-.. literalinclude:: ../../../rllib/examples/_old_api_stack/models/trajectory_view_utilizing_models.py
-   :language: python
-   :start-after: __sphinx_doc_begin__
-   :end-before: __sphinx_doc_end__
-
-A PyTorch version of the above model is also `given in the same file <https://github.com/ray-project/ray/blob/master/rllib/examples/_old_api_stack/models/trajectory_view_utilizing_models.py>`__.
-
 
 Custom Action Distributions
 ---------------------------

doc/source/rllib/rllib-models.rst

@@ -1455,13 +1455,6 @@ py_test(
     srcs = ["models/tests/test_lstms.py"]
 )
 
-py_test(
-    name = "test_models",
-    tags = ["team:rllib", "models"],
-    size = "medium",
-    srcs = ["models/tests/test_models.py"]
-)
-
 py_test(
     name = "test_preprocessors",
     tags = ["team:rllib", "models"],
@@ -1978,34 +1971,6 @@ py_test(
 # ----------------------
 # Old API stack examples
 # ----------------------
-# subdirectory: _old_api_stack/
-py_test(
-    name = "examples/_old_api_stack/complex_struct_space_tf",
-    main = "examples/_old_api_stack/complex_struct_space.py",
-    tags = ["team:rllib", "exclusive", "examples", "old_api_stack"],
-    size = "small",
-    srcs = ["examples/_old_api_stack/complex_struct_space.py"],
-    args = ["--framework=tf"],
-)
-
-py_test(
-    name = "examples/_old_api_stack/complex_struct_space_tf_eager",
-    main = "examples/_old_api_stack/complex_struct_space.py",
-    tags = ["team:rllib", "exclusive", "examples", "old_api_stack"],
-    size = "small",
-    srcs = ["examples/_old_api_stack/complex_struct_space.py"],
-    args = ["--framework=tf2"],
-)
-
-py_test(
-    name = "examples/_old_api_stack/complex_struct_space_torch",
-    main = "examples/_old_api_stack/complex_struct_space.py",
-    tags = ["team:rllib", "exclusive", "examples", "old_api_stack"],
-    size = "small",
-    srcs = ["examples/_old_api_stack/complex_struct_space.py"],
-    args = ["--framework=torch"],
-)
-
 # subdirectory: _old_api_stack/connectors/
 py_test(
     name = "examples/_old_api_stack/connectors/run_connector_policy",
@@ -2024,25 +1989,6 @@ py_test(
     args = ["--use-lstm"],
 )
 
-py_test(
-    name = "examples/_old_api_stack/connectors/adapt_connector_policy",
-    main = "examples/_old_api_stack/connectors/adapt_connector_policy.py",
-    tags = ["team:rllib", "exclusive", "examples", "old_api_stack"],
-    size = "small",
-    srcs = ["examples/_old_api_stack/connectors/adapt_connector_policy.py"],
-)
-
-# py_test(
-#     name = "examples/_old_api_stack/connectors/self_play_with_policy_checkpoint",
-#     main = "examples/_old_api_stack/connectors/self_play_with_policy_checkpoint.py",
-#     tags = ["team:rllib", "exclusive", "examples", "old_api_stack"],
-#     size = "small",
-#     srcs = ["examples/_old_api_stack/connectors/self_play_with_policy_checkpoint.py"],
-#     args = [
-#         "--train_iteration=1"  # Smoke test.
-#     ]
-# )
-
 # ----------------------
 # New API stack
 # Note: This includes to-be-translated-to-new-API-stack examples
@@ -2631,26 +2577,6 @@ py_test(
     args = ["--enable-new-api-stack", "--stop-reward=150.0"]
 )
 
-#@OldAPIStack
-py_test(
-    name = "examples/inference/policy_inference_after_training_with_attention_tf",
-    main = "examples/inference/policy_inference_after_training_with_attention.py",
-    tags = ["team:rllib", "exclusive", "examples"],
-    size = "medium",
-    srcs = ["examples/inference/policy_inference_after_training_with_attention.py"],
-    args = ["--stop-iters=2", "--framework=tf"]
-)
-
-#@OldAPIStack
-py_test(
-    name = "examples/inference/policy_inference_after_training_with_attention_torch",
-    main = "examples/inference/policy_inference_after_training_with_attention.py",
-    tags = ["team:rllib", "exclusive", "examples"],
-    size = "medium",
-    srcs = ["examples/inference/policy_inference_after_training_with_attention.py"],
-    args = ["--stop-iters=2", "--framework=torch"]
-)
-
 #@OldAPIStack
 py_test(
     name = "examples/inference/policy_inference_after_training_with_lstm_tf",
@@ -2897,17 +2823,6 @@ py_test(
 #     args = ["--as-test"]
 # )
 
-#@OldAPIStack
-# TODO (sven): Doesn't seem to learn at the moment. Uncomment once fixed.
-# py_test(
-#    name = "examples/offline_rl/custom_input_api_cql_torch",
-#    main = "examples/offline_rl/custom_input_api.py",
-#    tags = ["team:rllib", "exclusive", "examples"],
-#    size = "medium",
-#    srcs = ["examples/offline_rl/custom_input_api.py"],
-#    args = ["--as-test", "--stop-reward=-300", "--stop-iters=1"]
-# )
-
 #@OldAPIStack
 py_test(
     name = "examples/offline_rl/offline_rl_torch_old_api_stack",