# Pivot CPU speed

This folder is a CPU-only entry point to the standalone public JevBench runner. It downloads the exact measured Pivot checkpoint and the pinned official public JevBench source; no private account or token is needed for the public files.

From the model repository root on Windows PowerShell:

```powershell
py -m pip install -r benchmarks/requirements.txt
py cpu-speed/benchmark.py --threads 4 --batch-size 4 --output pivot_cpu_results.json
```

The run measures warm FP32 latency for 32 individual decisions and throughput over three sets of 64 decisions. It includes tokenization, inference, and scoring. It reports p50, p95, mean, decisions per second, thread count, hardware, pinned revisions, and the contract. To evaluate public accuracy too, run `py benchmarks/jevbench_public.py --device cpu --threads 4 --mode all`.

The published 4-thread Xeon result is p50 **797.6 ms**, p95 **1,089.0 ms**, and **3.77 decisions/s** at batch 4. Your CPU result will differ. GPU throughput used batch 32, so these throughput values are not a matched batch comparison. See [archived measurements](../evaluation/2026-09-24/).