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project_6/cccl_upstream/thrust/internal/test/thrust.example.set_operations.filecheck
EngineX CI 56fd68e7dd [INFRA] Import NVIDIA/CCCL upstream as optimization reference library
CCCL (CUDA C++ Core Libraries) provides:
- CUB: device/block/warp-level GPU primitives (reduce, scan, sort, topk)
- Thrust: high-level parallel algorithms (transform_reduce, sort, scan)
- libcudacxx: CUDA C++ standard library (atomics, barriers, memory)
- cudax: experimental features (memory resources, allocators)
- Tuning policies: per-SM hardware-specific algorithm parameters

Competition optimization vectors mapped to CCCL:
- Output TPS (83% weight): warp_reduce, block_reduce, device_topk
- Input TPS (14% weight): device_scan, block_load, prefetch
- Cache TPS (3% weight): prefix caching strategy patterns
- Memory (0.9 util): pooled/cached/buddy allocators

Source: https://github.com/NVIDIA/cccl (shallow clone, HEAD only)
License: Apache-2.0
2026-07-30 09:35:51 +00:00

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CHECK: Set A [ 0 2 4 5 6 8 9 ]
CHECK-NEXT: Set B [ 0 1 2 3 5 7 8 ]
CHECK-NEXT: Merge(A,B) [ 0 0 1 2 2 3 4 5 5 6 7 8 8 9 ]
CHECK-NEXT: Union(A,B) [ 0 1 2 3 4 5 6 7 8 9 ]
CHECK-NEXT: Intersection(A,B) [ 0 2 5 8 ]
CHECK-NEXT: Difference(A,B) [ 4 6 9 ]
CHECK-NEXT: SymmetricDifference(A,B) [ 1 3 4 6 7 9 ]
CHECK-NEXT: SetIntersectionSize(A,B) 4