F330 runtime lock qualification renewal checks
Date: 2026-08-07 UTC
Host: cuda-ke
Kernel: Linux 7.0.0-28-generic x86_64
Python: 3.12.3
MPI: Open MPI 4.1.6 / mpi4py MPI 3.1

Static and syntax checks
- ruff touched production/test/evidence Python: pass
- AST parse 5 touched Python files: pass
- git diff --check: pass
- evidence-directory __pycache__ residue: none

Tests
- directed protocol/fault tests: 13 passed in 1.22 s
- related MPI/distributed/hybrid tests: 292 passed, 21 subtests in 16.34 s
- full warnings-as-errors Python regression: 688 passed, 41 subtests in 95.24 s

Real MPI transport with synthetic topology
- MPI ranks: 7
- standalone masters/workers: 2/5
- processor identity source: test wrapper injection
- actual MPI communicator and worker lifecycle: true
- actual remote filesystem clients: false
- successful run return code: 0
- successful runtime generations per master: 3/3
- injected exclusion-semantic drift generation: 2
- failure metrics per master: attempts=2 successes=1 failures=1
- injected-drift run return code: 70
- all JSON checks: pass

Synthetic protocol microbenchmark
- topology: same-host Python threads + fake MPI bus + overlayfs flock
- warm-ups/repetitions: 2/20 per topology and mode
- ordering: baseline/renewal interleaved and alternated
- local 9-operation filesystem probe timed: false
- pre-renewal work-lease heartbeat timed: false
- 2 masters: baseline median 13.210 ms, renewal 13.218 ms, +0.008 ms (+0.062%)
- 3 masters: baseline median 18.764 ms, renewal 18.811 ms, +0.048 ms (+0.254%)
- 4 masters: baseline median 24.319 ms, renewal 24.317 ms, -0.002 ms (-0.008%, noise)
- exact proof cardinalities: 2/2/2, 3/6/3, 4/12/4
- measured failures: 0

Strict evidence boundaries
- synthetic_topology=true
- deployment_evidence=false
- actual_multi_host=false
- real_shared_storage_backend_tested=false
- server_failover_tested=false
- network_partition_tested=false
- mpi_rank_failure_recovery_tested=false
- physical_power_cut_tested=false
- dse_throughput_benchmarked=false
- solver_or_coverage_uplift_measured=false
- lava_m_campaign_run=false

Repository inventory after F330
- documented SYMCC configuration names: 409
- top-level Python test files: 49