diff --git a/examples/a2a3/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention.py b/examples/a2a3/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention_manual_scope.py
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention.py
rename to examples/a2a3/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention_manual_scope.py
diff --git a/examples/a2a3/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll.py b/examples/a2a3/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll_manual_scope.py
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll.py
rename to examples/a2a3/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll_manual_scope.py
diff --git a/examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/aiv/kernel_add.cpp b/examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/aiv/kernel_add.cpp
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/aiv/kernel_add.cpp
rename to examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/aiv/kernel_add.cpp
diff --git a/examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/aiv/kernel_noop.cpp b/examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/aiv/kernel_noop.cpp
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/aiv/kernel_noop.cpp
rename to examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/aiv/kernel_noop.cpp
diff --git a/examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/orchestration/scalar_data_orch.cpp b/examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/orchestration/scalar_data_orch.cpp
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/kernels/orchestration/scalar_data_orch.cpp
rename to examples/a2a3/tensormap_and_ringbuffer/scalar_data/kernels/orchestration/scalar_data_orch.cpp
diff --git a/examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/test_scalar_data.py b/examples/a2a3/tensormap_and_ringbuffer/scalar_data/test_scalar_data.py
similarity index 100%
rename from examples/a2a3/tensormap_and_ringbuffer/scalar_data_test/test_scalar_data.py
rename to examples/a2a3/tensormap_and_ringbuffer/scalar_data/test_scalar_data.py
diff --git a/examples/a5/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention.py b/examples/a5/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention_manual_scope.py
similarity index 100%
rename from examples/a5/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention.py
rename to examples/a5/tensormap_and_ringbuffer/paged_attention_manual_scope/test_paged_attention_manual_scope.py
diff --git a/examples/a5/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll.py b/examples/a5/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll_manual_scope.py
similarity index 100%
rename from examples/a5/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll.py
rename to examples/a5/tensormap_and_ringbuffer/paged_attention_unroll_manual_scope/test_paged_attention_unroll_manual_scope.py
diff --git a/examples/workers/l3/allreduce/__init__.py b/examples/workers/l3/allreduce/__init__.py
new file mode 100644
index 0000000000..25708baecc
--- /dev/null
+++ b/examples/workers/l3/allreduce/__init__.py
@@ -0,0 +1,9 @@
+# Copyright (c) PyPTO Contributors.
+# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
+# CANN Open Software License Agreement Version 2.0 (the "License").
+# Please refer to the License for details. You may not use this file except in compliance with the License.
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
+# See LICENSE in the root of the software repository for the full text of the License.
+# -----------------------------------------------------------------------------------------------------------
+"""Package marker so ``test_*.py`` can do ``from .main import run``."""
diff --git a/examples/workers/l3/allreduce/test_allreduce.py b/examples/workers/l3/allreduce/test_allreduce.py
new file mode 100644
index 0000000000..02172dd75b
--- /dev/null
+++ b/examples/workers/l3/allreduce/test_allreduce.py
@@ -0,0 +1,31 @@
+# Copyright (c) PyPTO Contributors.
+# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
+# CANN Open Software License Agreement Version 2.0 (the "License").
+# Please refer to the License for details. You may not use this file except in compliance with the License.
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
+# See LICENSE in the root of the software repository for the full text of the License.
+# -----------------------------------------------------------------------------------------------------------
+"""Hardware ST for examples/workers/l3/allreduce.
+
+Covers the demo only. The allreduce *algorithm* corpus — ring, twophase, ibing
+and bidirectional-ring — lives in tests/st/worker/collectives/allreduce.
+"""
+
+import pytest
+
+from .main import run
+
+
+# a2a3 only, which is what this demo's own README and CLI default document.
+# The algorithm itself runs on a5 — tests/st/worker/collectives/allreduce
+# declares all four platforms — so widening this is likely safe, but nobody has
+# exercised *this* demo there yet.
+@pytest.mark.platforms(["a2a3sim", "a2a3"])
+@pytest.mark.runtime("tensormap_and_ringbuffer")
+@pytest.mark.device_count(2)
+def test_allreduce(st_platform, st_device_ids):
+    # run() takes (device_ids, platform) — the reverse of the single-device
+    # demos in this tree, which take (platform, device_id).
+    rc = run([int(d) for d in st_device_ids], platform=st_platform)
+    assert rc == 0
diff --git a/examples/workers/l3/ffn_tp_parallel/__init__.py b/examples/workers/l3/ffn_tp_parallel/__init__.py
new file mode 100644
index 0000000000..25708baecc
--- /dev/null
+++ b/examples/workers/l3/ffn_tp_parallel/__init__.py
@@ -0,0 +1,9 @@
+# Copyright (c) PyPTO Contributors.
+# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
+# CANN Open Software License Agreement Version 2.0 (the "License").
+# Please refer to the License for details. You may not use this file except in compliance with the License.
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
+# See LICENSE in the root of the software repository for the full text of the License.
+# -----------------------------------------------------------------------------------------------------------
+"""Package marker so ``test_*.py`` can do ``from .main import run``."""
diff --git a/examples/workers/l3/l3_l2_message_queue/__init__.py b/examples/workers/l3/l3_l2_message_queue/__init__.py
new file mode 100644
index 0000000000..25708baecc
--- /dev/null
+++ b/examples/workers/l3/l3_l2_message_queue/__init__.py
@@ -0,0 +1,9 @@
+# Copyright (c) PyPTO Contributors.
+# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
+# CANN Open Software License Agreement Version 2.0 (the "License").
+# Please refer to the License for details. You may not use this file except in compliance with the License.
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
+# See LICENSE in the root of the software repository for the full text of the License.
+# -----------------------------------------------------------------------------------------------------------
+"""Package marker so ``test_*.py`` can do ``from .main import run``."""
diff --git a/examples/workers/l3/l3_l2_orch_comm_stream/__init__.py b/examples/workers/l3/l3_l2_orch_comm_stream/__init__.py
new file mode 100644
index 0000000000..25708baecc
--- /dev/null
+++ b/examples/workers/l3/l3_l2_orch_comm_stream/__init__.py
@@ -0,0 +1,9 @@
+# Copyright (c) PyPTO Contributors.
+# This program is free software, you can redistribute it and/or modify it under the terms and conditions of
+# CANN Open Software License Agreement Version 2.0 (the "License").
+# Please refer to the License for details. You may not use this file except in compliance with the License.
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
+# See LICENSE in the root of the software repository for the full text of the License.
+# -----------------------------------------------------------------------------------------------------------
+"""Package marker so ``test_*.py`` can do ``from .main import run``."""