NNSight 0.8 Lands With Big Speed Gains Over vLLM-Lens for LLM Interpretability
gsarti_ · x · 2026-09-10
NNSight 0.8 is out with major performance gains. On Llama-3.1-70B (tp=4) across 10 benchmark jobs, capturing every layer at every step holds 35 tok/s with taps (37 vanilla), while vLLM-Lens and interp-engine drop to 7-10 tok/s. Unique interventions like zeroing attention heads or overriding sampled tokens remain impossible in other tools.
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