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perf(ArcInfer/ArcSample): STEP_us on V4's real arm; ARC_SAMPLE_ON_DEVICE ends the 66 MB/step host copy that walled off the GPU sampler; 3 fast-path aggravators - #222

Merged
heydryft merged 4 commits into
release/openrouter-readyfrom
arcsample/device-logits
Aug 21, 2026
Merged

perf(ArcInfer/ArcSample): STEP_us on V4's real arm; ARC_SAMPLE_ON_DEVICE ends the 66 MB/step host copy that walled off the GPU sampler; 3 fast-path aggravators#222
heydryft merged 4 commits into
release/openrouter-readyfrom
arcsample/device-logits

Commits

  1. Commits on Aug 21, 2026