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Support quantized Qwen3-VL / Qwen3.5-VL (dense + MoE) export from Megatron-Bridge and verify exported checkpoints - #2276

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kmorabia/mbridge-qwen3vl-quantized-hf-export
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Support quantized Qwen3-VL / Qwen3.5-VL (dense + MoE) export from Megatron-Bridge and verify exported checkpoints#2276
kevalmorabia97 wants to merge 12 commits into
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kmorabia/mbridge-qwen3vl-quantized-hf-export

Address review: quant-config recording, GDN guards, VLM probe, teache…

215d4aa
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Codecov / codecov/project succeeded Aug 29, 2026 in 1s

78.39% (-0.57%) compared to 022767c

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78.39% (-0.57%) compared to 022767c

Details

Codecov Report

❌ Patch coverage is 67.27273% with 90 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.39%. Comparing base (022767c) to head (215d4aa).

Files with missing lines Patch % Lines
modelopt/torch/utils/plugins/mbridge.py 0.00% 51 Missing ⚠️
modelopt/torch/export/unified_export_megatron.py 81.48% 35 Missing ⚠️
...delopt/torch/export/plugins/hf_checkpoint_utils.py 0.00% 4 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2276      +/-   ##
==========================================
- Coverage   78.95%   78.39%   -0.57%     
==========================================
  Files         524      525       +1     
  Lines       60866    61085     +219     
==========================================
- Hits        48058    47888     -170     
- Misses      12808    13197     +389     

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