[GPU] New QIPC ops for block#684

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hughperkins wants to merge 23 commits into

hp/new-qipc-ops-subgroupfrom

hp/new-qipc-ops-block

Commits on May 10, 2026

[feat] Add block.reduce_{add,min,max} + reduce_all_* (CUB-style block reduce)
hughperkins
committed
[feat] Add block.{inclusive,exclusive}_{add,min,max} (CUB-style block scan)
hughperkins
committed
[feat] Add block.radix_rank_match_atomic_or (CUB ATOMIC_OR path)
hughperkins
committed
[fix] block.radix_rank: pair subgroup.sync() with subgroup.mem_fence()
hughperkins
committed
[fix] block.radix_rank: feed u32 to clz, not i32 (SPIR-V FindSMsb bug)
hughperkins
committed
[fix] block.reduce/scan: use logical lane (tid & WARP_SIZE-1), not invocation_id()
hughperkins
committed
Merge branch 'hp/new-qipc-ops-subgroup' into hp/new-qipc-ops-block
hughperkins
committed

Commits on May 12, 2026