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NVIDIA
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[DSv4] Use the full CSA denominator for unfused indexer loss
- #5960
#5960
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hxbai
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NVIDIA:dev
NVIDIA/Megatron-LM:dev
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JavaZeroo:agent/fix-dsv4-unfused-indexer-teacher
JavaZeroo/Megatron-LM:agent/fix-dsv4-unfused-indexer-teacher
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Aug 4, 2026
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[DSv4] Use the full CSA denominator for unfused indexer loss
#5960
hxbai
merged 9 commits into
NVIDIA:dev
NVIDIA/Megatron-LM:dev
from
JavaZeroo:agent/fix-dsv4-unfused-indexer-teacher
JavaZeroo/Megatron-LM:agent/fix-dsv4-unfused-indexer-teacher
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Commits on Jul 22, 2026
Fix DSv4 unfused CSA indexer teacher
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Commits on Jul 30, 2026
Merge origin/dev into agent/fix-dsv4-unfused-indexer-teacher
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Preserve custom autograd for the CSA indexer loss
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Harden CSA indexer loss edge cases
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Commits on Aug 2, 2026
Add CP2 unfused indexer precision regression
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Fix CP unfused CSA indexer loss alignment
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Commits on Aug 3, 2026
Remove unused CSA output shape
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Commits on Aug 4, 2026
Fix CSA LSE return lint error
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Preserve CSA THD output layout
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