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@lfr-0531 lfr-0531 commented Oct 28, 2025

Summary by CodeRabbit

  • Refactor
    • Improved model configuration handling for broader model type support in benchmarking operations

Description

The transformers cannot support deepseek_v32 by using the AutoConfig.from_pretrained. As a workaround, we need to load the configuration manually, similar to the approach used in model_config.py.

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@lfr-0531 lfr-0531 requested a review from a team as a code owner October 28, 2025 12:20
Signed-off-by: Fanrong Li <[email protected]>
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coderabbitai bot commented Oct 28, 2025

📝 Walkthrough

Walkthrough

The changes implement dynamic model configuration loading using a registry mechanism in two files. Both build.py and dataclasses.py are updated to select configuration classes based on model_type from Hugging Face configs, enabling broader model support through registry-based lookups with fallback to AutoConfig.

Changes

Cohort / File(s) Summary
Registry-based config selection in build
tensorrt_llm/bench/build/build.py
Updates get_model_config function to dynamically select model configuration classes using _CONFIG_REGISTRY based on model_type from HF config, with fallback to AutoConfig.from_pretrained if not in registry.
Registry-based config selection in dataclasses
tensorrt_llm/bench/build/dataclasses.py
Modifies ModelConfig.from_hf method to fetch model_type from HF config dict and select the corresponding config class from _CONFIG_REGISTRY, falling back to AutoConfig.from_pretrained if not found. Preserves existing param_count logic.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

  • Registry mechanism implementation and correctness of config class selection across model types
  • Verification that fallback to AutoConfig.from_pretrained covers unregistered models appropriately
  • Consistency of the pattern between build.py and dataclasses.py implementations
  • Interaction with is_nemotron_hybrid logic in build.py
  • Preservation of existing param_count logic in dataclasses.py

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)
Check name Status Explanation Resolution
Description Check ⚠️ Warning The PR description provides a clear explanation of the issue and solution in the Description section, explaining that transformers cannot support deepseek_v32 via AutoConfig.from_pretrained and that manual loading is needed. However, the Test Coverage section, which is explicitly required by the repository template to list relevant tests safeguarding the changes, is completely empty and left as only a template comment with no actual content. While the primary description is adequate, this major required section is entirely missing, making the overall description substantially incomplete.
Docstring Coverage ⚠️ Warning Docstring coverage is 50.00% 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 PR title "[None][fix] fix config loading for DeepSeek-V3.2 in trtllm-bench" directly and specifically summarizes the main change across both modified files. It clearly identifies the problem being addressed (config loading), the specific model affected (DeepSeek-V3.2), and the scope (trtllm-bench). The changes in build.py and dataclasses.py implement a workaround for the transformers library's inability to support deepseek_v32 via AutoConfig.from_pretrained, which aligns perfectly with the title. The title is concise, specific, and avoids generic or vague language.
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Actionable comments posted: 2

Caution

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

⚠️ Outside diff range comments (2)
tensorrt_llm/bench/build/dataclasses.py (1)

1-1: Missing NVIDIA Apache-2.0 header.

Add the required license header with current year.

+# Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+#
+# 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.

As per coding guidelines.

tensorrt_llm/bench/build/build.py (1)

1-1: Missing NVIDIA Apache-2.0 header.

Add the required license header with current year.

+# Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
+#
+# 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.

As per coding guidelines.

🧹 Nitpick comments (3)
tensorrt_llm/bench/build/dataclasses.py (2)

199-211: Avoid duplicate HF config resolution; factor into a shared helper.

This registry + fallback logic is duplicated here and in build.py. Extract a single utility (e.g., resolve_pretrained_config(path, trust_remote_code) -> PretrainedConfig) and reuse to prevent drift and double network hits. I can draft this helper in a common module if you want.


195-197: Import style consistency.

Prefer explicit import of PretrainedConfig at module level to match existing AutoConfig import and the guidelines.

Proposed top-of-file tweak:

-from transformers import AutoConfig
+from transformers import AutoConfig, PretrainedConfig
tensorrt_llm/bench/build/build.py (1)

89-105: Deduplicate config loading with dataclasses.py.

The same registry + fallback logic appears in two places. Extract a shared helper (e.g., tensorrt_llm/bench/build/config_loading.py: resolve_pretrained_config) to avoid divergence and reduce duplicate network calls. I can provide a patch if desired.

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  • tensorrt_llm/bench/build/dataclasses.py (1 hunks)
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tensorrt_llm/bench/build/build.py (2)
tensorrt_llm/_torch/model_config.py (1)
  • from_pretrained (425-516)
tensorrt_llm/_torch/pyexecutor/config_utils.py (1)
  • is_nemotron_hybrid (1-6)
tensorrt_llm/bench/build/dataclasses.py (2)
tensorrt_llm/models/modeling_utils.py (4)
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  • to_dict (265-271)
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🔇 Additional comments (1)
tensorrt_llm/bench/build/build.py (1)

274-275: Based on my verification, the review comment identifies a legitimate issue: trust_remote_code=True is hardcoded in multiple locations within get_model_config() and ModelConfig.from_hf() methods, rather than being parameterized and threaded through from the calling context.

Pass trust_remote_code as a parameter through the call chain.

The original script output confirms that trust_remote_code=True is hardcoded at:

  • tensorrt_llm/bench/build/build.py lines 95, 101, 104
  • tensorrt_llm/bench/build/dataclasses.py lines 201, 207, 210

This flag is security-sensitive—it should only be set to True for repositories you trust and in which you have read the code, as it will execute code present on the Hub on your local machine. Rather than hardcoding it, the parameter should be:

  1. Added to get_model_config(model_name: str, model_path: Path = None, trust_remote_code: bool = False)
  2. Added to ModelConfig.from_hf(cls, model_hf_name, hf_model_path, trust_remote_code: bool = False)
  3. Threaded through the call at line 274

If bench_env or the build command parses this flag, pass it through; otherwise, default to False for security.

@lfr-0531 lfr-0531 requested review from a team as code owners October 28, 2025 12:54
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/bot run

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PR_Github #22778 [ run ] triggered by Bot. Commit: 96a3e17

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PR_Github #22778 [ run ] completed with state FAILURE. Commit: 96a3e17
/LLM/main/L0_MergeRequest_PR pipeline #17177 completed with status: 'FAILURE'

Signed-off-by: Fanrong Li <[email protected]>
Signed-off-by: Fanrong Li <[email protected]>
@lfr-0531 lfr-0531 force-pushed the user/fanrongl/fix_trtlm_bench_for_ds32 branch from dc4421b to 658d463 Compare October 28, 2025 16:36
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/bot run

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PR_Github #22793 [ run ] triggered by Bot. Commit: 658d463

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PR_Github #22793 [ run ] completed with state SUCCESS. Commit: 658d463
/LLM/main/L0_MergeRequest_PR pipeline #17190 completed with status: 'FAILURE'

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LGTM

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/bot run

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PR_Github #22821 [ run ] triggered by Bot. Commit: 09b9232

@lfr-0531 lfr-0531 requested a review from yuxianq October 29, 2025 08:23
@lfr-0531 lfr-0531 enabled auto-merge (squash) October 29, 2025 11:46
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PR_Github #22821 [ run ] completed with state SUCCESS. Commit: 09b9232
/LLM/main/L0_MergeRequest_PR pipeline #17214 completed with status: 'SUCCESS'
Pipeline passed with automatic retried tests. Check the rerun report for details.

@lfr-0531 lfr-0531 merged commit a21697e into NVIDIA:main Oct 29, 2025
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6 participants