da553227e9fe7d56b43cf99c986afb2a3b6d9838
Random CCCL pick: cub/test/catch2_test_thread_scan_exclusive_partial.cu
(310 lines, full read)
CCCL tests valid_items at 5 boundary points:
1, [2..num_items-1], num_items, num_items+1, max_int
Applied same principle to vllm functional tests:
TC-11: max_tokens boundary values
- max_tokens=1 (CCCL valid_items=1 — minimum output, partial tile)
- max_tokens=2 (CCCL valid_items=2 — near-minimum)
These trigger partial partition handling in paged_attention_v2.
TC-12: json_object structured output
- response_format={'type':'json_object'} forces JSON
- Maps to competition functional test requirement
Also read: vllm/core/evictor_v2.py, vllm/attention/ops/paged_attn.py
Base files modified: qwen3_6_scripts/verify_functional.py
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