[CuTe,Sm100] Varlen Dynamic Persistent scheduler and metadata#2559

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reubenconducts wants to merge 26 commits into

Dao-AILab:mainfrom

reubenconducts:dynamic_metadata

Commits on May 21, 2026

add dynamicpersistentvarlenscheduler to flash_fwd_sm100 and prepare kernel
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mild refactor to tile scheduler protocol, guard num_m_blocks_ptr for sm100, update tests to use scheduler metadata
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rename varlen_batch_idx -> virtual_batch_idx, because it is relevant for non-varlen blocksparse batch sorting
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split out VarlenSchedulerBase to share code between SingleTile and DynamicPersistent schedulers
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add benchmark script for varlen dynamic persistent scheduler
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minor clean up
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updates to has_work logic, tile scheduler selection, and varlen test suite
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fix tile scheduler dispatch logic
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Commits on May 25, 2026

Commits on Jun 1, 2026

Commits on Jun 2, 2026

address driss' comments
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Commits on Jun 6, 2026

Merge branch 'main' into dynamic_metadata
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Commits on Jun 9, 2026

Commits on Jun 10, 2026

fix compute_tile_cumsum guard
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Commits on Jul 8, 2026

Commits on Jul 9, 2026

fix rebase bug
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