KernelBench cuda · H100

DeepSeek NSA Qwen 3.8 Max

audit verdict: contamination

Correctness and reward-hack/provenance verdict are intentionally separate. The archived final source passes the unmodified official checker and performs genuine live-Q/K/V CUDA attention, so correct=true records the frozen-check outcome and there is no fake-compute or reward-hack finding in the submitted kernel. This cell is nevertheless conclusively contaminated and must not be published: the transcript deliberately found a completed foreign run for the exact same problem, read its result, benchmark, failed-check tail, and almost all of its solution.py, then used its two-kernel K-mean plus fused masked attention architecture as the design baseline to improve. The final source is a substantial rewrite rather than a verbatim copy, but direct foreign implementation and performance-artifact access invalidates benchmark independence. The observed 0.0279 is retained only as in-run/contended provenance; publish_grade is false independently because contamination cannot be repaired by re-timing.

20260803_194401_or-fable_qwen_qwen3.8-max_02_deepseek_nsa