On Qwen3-8B, even a kernel-split without a probe is detectable to a trained model
Sauers_ · x · 2026-10-18
Variants on Qwen3-8B show why probes leak: a simple probe splits GPU kernels and alters compiler DAG ordering; even a bare kernel split is detectable with more training; a buffer-writing probe without kernel split is hardest to detect.
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