[TEST] DS v3.2 optimization from agents#3408

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RissyRan wants to merge 6 commits intomainfrom

Commits on Mar 12, 2026

Try 1
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Commits on Mar 13, 2026

Try 2 - Add bwd pass
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Commits on Mar 16, 2026

Commits on Mar 25, 2026

Add indexer parity test and fix kernel issue
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Commits on Mar 26, 2026

Potential improvement but issue
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