test: MambaConfig and varlen helper regression coverage - #1009
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Chessing234 wants to merge 3 commits into
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test: MambaConfig and varlen helper regression coverage#1009Chessing234 wants to merge 3 commits into
Chessing234 wants to merge 3 commits into
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Ensure mutable dataclass fields are not shared across instances and that configs survive json encode/decode for save_pretrained compatibility.
Regression guard for varlen Mamba-3 paths where int32 cu_seqlens are required by TileLang kernels.
Cover the pad_vocab_size_multiple rounding applied during LM head construction.
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Summary
MambaConfigmutable defaults are independent and JSON round-trip safe.MambaLMHeadModel.cu_seqlensint32 aftercumsumfor varlen Mamba-3 paths.Test plan
pytest tests/test_config_mamba.py tests/test_varlen_helpers.pyMade with Cursor