bash nimble_suite/build.sh <workdir>
python3 nimble_suite/run_suite.py --arm autoregressive --upstream http://localhost:8000 \
  --model $PLAIN --records <workdir>/public --run 2026-09-24-l4-suite
python3 nimble_suite/suite_stats.py --run 2026-09-24-l4-suite --run 2026-09-24-l4-suite-e4b