Add fused SBHD compressed sparse attention - #6404

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FDecaYed wants to merge 10 commits into

NVIDIA:mainfrom

FDecaYed:codex/dsv4-v2-d3-20260810

Commits on Aug 10, 2026

Add selective FP32 parameter lifecycle support
FDecaYed
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a02802d
fix offload

hxbai
authored and
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e2dd1ca
Restore optimizer chain import
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3afc50e
Reuse native FP32 parameter IDs
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effa326
Fix optimizer checkpoint mapping for frozen parameters
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a1df227
Make MLA RoPE application safe and explicit
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e051716
Handle asymmetric packed RoPE sequence lengths
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94ac9e4
Add unfused SBHD compressed sparse attention
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c463cbe
Add native DSv4 hybrid attention orchestration
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0ecb394
Add fused SBHD compressed sparse attention
FDecaYed
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5f0d068