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@QiJune QiJune commented Sep 8, 2025

Summary by CodeRabbit

  • Tests

    • Increased test log visibility by enabling stdout capture during runs.
    • Streamlined pre-merge PyTorch test list to reduce noise and speed up CI.
    • Added an environment variable print in a unit test to aid debugging.
  • Chores

    • Enabled detailed logging by default for test executions.
    • Adjusted certain test configurations to use 1 GPU instead of 2 to optimize resource usage.

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Signed-off-by: junq <[email protected]>
@QiJune QiJune requested review from a team as code owners September 8, 2025 16:57
@QiJune QiJune requested review from poweiw and yuanjingx87 September 8, 2025 16:57
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QiJune commented Sep 8, 2025

/bot run --stage-list "B200_PCIe-PyTorch-1"

@QiJune QiJune changed the title [None][ci]debug thop/parallel tests [None][ci] debug thop/parallel tests Sep 8, 2025
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📝 Walkthrough

Walkthrough

Enables detailed logging in Jenkins tests, propagating -s to pytest when DETAILED_LOG is true. Reduces GPU count from 2 to 1 for B200_PCIe-PyTorch-1/2 in Jenkins. Adds -s to integration unittest runner. Removes most PyTorch pre_merge entries from l0_b200.yml. Adds an env print in a FP8 unittest.

Changes

Cohort / File(s) Summary
Jenkins CI config
jenkins/L0_Test.groovy
Set testFilter.DETAILED_LOG to true; when enabled, append -s to pytest in runLLMTestlistOnPlatformImpl; change B200_PCIe-PyTorch-1/2 gpu_count from 2 to 1.
Integration unittest runner
tests/integration/defs/test_unittests.py
Updated pytest args in test_unittests_v2 to include -s alongside -v, keeping existing timeouts and ignore options.
B200 pre-merge test matrix (PyTorch)
tests/integration/test_lists/test-db/l0_b200.yml
Removed most entries under backend: pytorch pre_merge; post_merge and TensorRT sections unchanged; structure and gating preserved.
Unittest debug print
tests/unittest/_torch/thop/parallel/test_fp8_linear.py
Added print of TORCHINDUCTOR_COMPILE_THREADS at test start; no logic changes.

Sequence Diagram(s)

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

Suggested reviewers

  • yuanjingx87
  • chzblych
  • tongyuantongyu

Pre-merge checks (1 passed, 2 warnings)

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Description Check ⚠️ Warning The PR description is merely the unfilled template scaffold and contains no actual summary, implementation details, rationale, or test coverage information as required by the repository’s description template. Please populate the template by adding the @coderabbitai summary with a concise overview of the changes, fill in the Description section with the issue context and solution details, list the relevant tests in the Test Coverage section, and ensure all checklist items reflect the PR’s actual status.
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed Checks (1 passed)
Check Name Status Explanation
Title Check ✅ Passed The title “[None][ci] debug thop/parallel tests” accurately identifies one real aspect of the changeset, namely the added debug print in the thop/parallel test, so it is related to the changeset content even though it does not mention other modifications; therefore it passes the minimal relation requirement.

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Actionable comments posted: 0

🧹 Nitpick comments (3)
tests/unittest/_torch/thop/parallel/test_fp8_linear.py (2)

14-16: Prefix the diagnostic with worker id and avoid printing 'None'.

This makes logs easier to correlate across -n runs and keeps the value readable when unset.

-    print(
-        f"TORCHINDUCTOR_COMPILE_THREADS is: {os.environ.get('TORCHINDUCTOR_COMPILE_THREADS')}"
-    )
+    worker = os.environ.get("PYTEST_XDIST_WORKER", "gw0")
+    val = os.environ.get("TORCHINDUCTOR_COMPILE_THREADS", "<unset>")
+    print(f"[{worker}] TORCHINDUCTOR_COMPILE_THREADS={val}")

1-6: Add SPDX header (consistent with repo style, current year).

Tests are Python sources too; mirror the header used elsewhere.

+# SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
tests/integration/defs/test_unittests.py (1)

126-128: Prefer --capture=tee-sys over -s to stream output and keep JUnit out-err.

-s disables capture, which can drop stdout/stderr from the JUnit XML despite setting junit_logging=out-err. tee-sys shows logs live and preserves them in reports.

-    command = [
-        '-m', 'pytest', ignore_opt, "-s", "-v", "--timeout=2400",
+    command = [
+        '-m', 'pytest', ignore_opt, "--capture=tee-sys", "-v", "--timeout=2400",
         "--timeout-method=thread"
     ]
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jenkins/L0_Test.groovy (1)

1992-1992: B200 PyTorch split reduction verified – no references to “B200_PCIe-PyTorch-2” remain and both PyTorch blocks in tests/integration/test_lists/test-db/l0_b200.yml (pre_merge and post_merge) will run under split 1.

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PR_Github #18075 [ run ] triggered by Bot

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PR_Github #18075 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #13548 (Partly Tested) completed with status: 'SUCCESS'

Signed-off-by: junq <[email protected]>
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QiJune commented Sep 8, 2025

/bot run --stage-list "B200_PCIe-PyTorch-1"

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PR_Github #18083 [ run ] triggered by Bot

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PR_Github #18083 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #13555 (Partly Tested) completed with status: 'SUCCESS'

Signed-off-by: junq <[email protected]>
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QiJune commented Sep 8, 2025

/bot run --stage-list "B200_PCIe-PyTorch-1"

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Actionable comments posted: 0

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (1)
tests/unittest/_torch/thop/parallel/test_fp8_linear.py (1)

1-1: Add required NVIDIA Apache-2.0 header.

Per repo guidelines, prepend the SPDX header with the current year.

+ # SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ # SPDX-License-Identifier: Apache-2.0
🧹 Nitpick comments (2)
tests/unittest/_torch/thop/parallel/test_fp8_linear.py (1)

14-16: Nit: avoid printing "None"; make message crisp.

Provide a default value and a short prefix to aid log grepping.

-    print(
-        f"TORCHINDUCTOR_COMPILE_THREADS is: {os.environ.get('TORCHINDUCTOR_COMPILE_THREADS')}"
-    )
+    val = os.environ.get("TORCHINDUCTOR_COMPILE_THREADS", "<unset>")
+    print(f"[test_fp8_linear] TORCHINDUCTOR_COMPILE_THREADS={val}")
jenkins/L0_Test.groovy (1)

1630-1631: Avoid passing -s twice to pytest.

You always add "-s" and add it again when DETAILED_LOG is true. Drop the unconditional one.

         def testCmdLine = [
             "LLM_ROOT=${llmSrc}",
             "LLM_BACKEND_ROOT=${llmSrc}/triton_backend",
             "LLM_MODELS_ROOT=${MODEL_CACHE_DIR}",
             "MODEL_CACHE_DIR=${MODEL_CACHE_DIR}",
             extraInternalEnv,
             "pytest",
             "-v",
-            "-s",
             testFilter[(DETAILED_LOG)] ? "-s" : "",
             "--timeout-method=thread",
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📒 Files selected for processing (4)
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  • tests/unittest/_torch/thop/parallel/test_fp8_linear.py (1 hunks)
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  • tests/unittest/_torch/thop/parallel/test_fp8_linear.py
**/*.py

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**/*.py: Python code must target Python 3.8+.
Indent Python code with 4 spaces; do not use tabs.
Maintain module namespace when importing; prefer 'from package.subpackage import foo' then 'foo.SomeClass()' instead of importing the class directly.
Python filenames should be snake_case (e.g., some_file.py).
Python classes use PascalCase names.
Functions and methods use snake_case names.
Local variables use snake_case; prefix 'k' for variables that start with a number (e.g., k_99th_percentile).
Global variables use upper SNAKE_CASE prefixed with 'G' (e.g., G_MY_GLOBAL).
Constants use upper SNAKE_CASE (e.g., MY_CONSTANT).
Avoid shadowing variables from an outer scope.
Initialize all externally visible members of a class in the constructor.
Prefer docstrings for interfaces that may be used outside a file; comments for in-function or file-local interfaces.
Use Google-style docstrings for classes and functions (Sphinx-parsable).
Document attributes and variables inline so they render under the class/function docstring.
Avoid reflection when a simpler, explicit approach suffices (e.g., avoid dict(**locals()) patterns).
In try/except, catch the most specific exceptions possible.
For duck-typing try/except, keep the try body minimal and use else for the main logic.

Files:

  • tests/integration/defs/test_unittests.py
  • tests/unittest/_torch/thop/parallel/test_fp8_linear.py
**/*.{cpp,cxx,cc,h,hpp,hh,hxx,cu,cuh,py}

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🔇 Additional comments (3)
tests/integration/defs/test_unittests.py (1)

125-128: LGTM: enable stdout capture for unittest run.

Adding -s improves debugging; timeout settings preserved.

jenkins/L0_Test.groovy (2)

658-659: Confirm intent: DETAILED_LOG default set to true.

This will increase console and artifact sizes for all stages. If this is only for short-term debugging, consider reverting to false post-investigation.


1993-1993: Mapping for B200_PCIe-PyTorch is consistent: no “-2” variant exists and the GPU count is correctly set to 1.

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PR_Github #18096 [ run ] triggered by Bot

Signed-off-by: junq <[email protected]>
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QiJune commented Sep 8, 2025

/bot run --stage-list "B200_PCIe-PyTorch-1"

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PR_Github #18102 [ run ] triggered by Bot

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PR_Github #18096 [ run ] completed with state ABORTED

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PR_Github #18102 [ run ] completed with state SUCCESS
/LLM/main/L0_MergeRequest_PR pipeline #13566 (Partly Tested) completed with status: 'SUCCESS'

@QiJune QiJune closed this Sep 18, 2025
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