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Add mock SFT dataset and varlen dataset family
- #6734
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Aug 27, 2026
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Add mock SFT dataset and varlen dataset family
#6734
ilml
merged 11 commits into
NVIDIA:main
NVIDIA/Megatron-LM:main
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ilml:split/3386-dataset-r2
ilml/Megatron-LM:split/3386-dataset-r2
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Commits on Aug 21, 2026
Add sequence_packing_scheduler config field, CLI arg, and validation
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Add mock SFT dataset and generalize SFT padding divisor
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Add VarlenLowLevelDataset, VarlenDataset, and MockVarlenDataset
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Import pandas lazily in MockSFTLowLevelDataset's file mode
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Commits on Aug 24, 2026
Drop the pandas dependency from the mock SFT and varlen loaders
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Require per-token loss with sequence packing and gate the dispatcher check on MoE
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Merge remote-tracking branch 'origin/main' into split/3386-dataset-r2
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Commits on Aug 25, 2026
Collapse the requires_te_2_9 skipif args for black
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Commits on Aug 26, 2026
Gate the allgather variable-seq-length check on MoE
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Merge remote-tracking branch 'origin/main' into split/3386-dataset-r2
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Merge remote-tracking branch 'origin/main' into split/3386-dataset-r2
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