{
 "metadata": {
  "date": "2026-09-09 07:51:00",
  "suite": "writeback_dict_suite v1 (fused-bridge showcase)",
  "compiler_version": "2026-09-09-se1-v428",
  "methodology": "One fresh OS process per workload per flag mode. Warm-run = median of 10 full call-loop reps after 3 warmup reps; each rep rebuilds the source dict inside the timed region. Cold start = compile + first call. Every kernel mutates its dict_int write-back param (the fused dict bridge seam) and must match the CPython oracle byte-exactly (return checksum + final dict hash) on every rep to count. Fused bridge default-ON vs explicit PYVORIN_FUSED_BRIDGE=0 are both measured.",
  "cpu": "x86_64",
  "python": "3.12.3",
  "completed": 7,
  "total": 7,
  "published": "2026-09-09",
  "page": "https://www.pyvorin.com/benchmarks.html"
 },
 "category": {
  "name": "Mutable State (dict write-back)",
  "geomean_speedup_vs_cpython_bridge_on": 1.822,
  "geomean_speedup_vs_cpython_bridge_off": 1.191,
  "geomean_fused_bridge_lift": 1.53,
  "workloads": 7,
  "native_correct": 7,
  "fallback": 0,
  "native_coverage_pct": 100.0
 },
 "workloads": [
  {
   "name": "wb_scoring_10k",
   "desc": "per-entity anomaly scoring; 10k entities re-scored per call",
   "n": 10000,
   "calls": 40,
   "speedup_vs_cpython_bridge_on": 2.741,
   "speedup_vs_cpython_bridge_off": 1.932,
   "fused_bridge_lift": 1.419,
   "pyvorin_median_s_on": 0.13822,
   "pyvorin_median_s_off": 0.20202,
   "cpython_median_s": 0.37881,
   "cold_call_s": 0.00578,
   "compile_s": 0.1737,
   "correct": true
  },
  {
   "name": "wb_ledger_100k",
   "desc": "ledger posting; 100k accounts recomputed per call",
   "n": 100000,
   "calls": 10,
   "speedup_vs_cpython_bridge_on": 2.132,
   "speedup_vs_cpython_bridge_off": 1.354,
   "fused_bridge_lift": 1.575,
   "pyvorin_median_s_on": 0.46887,
   "pyvorin_median_s_off": 0.74401,
   "cpython_median_s": 0.99957,
   "cold_call_s": 0.07799,
   "compile_s": 0.4593,
   "correct": true
  },
  {
   "name": "wb_reval_5k",
   "desc": "fixed-point price revaluation; 5k assets repriced per call",
   "n": 5000,
   "calls": 60,
   "speedup_vs_cpython_bridge_on": 2.187,
   "speedup_vs_cpython_bridge_off": 1.307,
   "fused_bridge_lift": 1.673,
   "pyvorin_median_s_on": 0.08905,
   "pyvorin_median_s_off": 0.14147,
   "cpython_median_s": 0.19471,
   "cold_call_s": 0.00403,
   "compile_s": 0.2338,
   "correct": true
  },
  {
   "name": "wb_risk_20k",
   "desc": "risk-score refresh; 20k entities updated per call",
   "n": 20000,
   "calls": 30,
   "speedup_vs_cpython_bridge_on": 1.882,
   "speedup_vs_cpython_bridge_off": 1.349,
   "fused_bridge_lift": 1.395,
   "pyvorin_median_s_on": 0.21014,
   "pyvorin_median_s_off": 0.30518,
   "cpython_median_s": 0.39541,
   "cold_call_s": 0.01013,
   "compile_s": 0.2887,
   "correct": true
  },
  {
   "name": "wb_session_50k",
   "desc": "session-state decay + update; 50k sessions per call",
   "n": 50000,
   "calls": 20,
   "speedup_vs_cpython_bridge_on": 1.811,
   "speedup_vs_cpython_bridge_off": 1.077,
   "fused_bridge_lift": 1.682,
   "pyvorin_median_s_on": 0.35998,
   "pyvorin_median_s_off": 0.60147,
   "cpython_median_s": 0.65203,
   "cold_call_s": 0.03392,
   "compile_s": 0.3133,
   "correct": true
  },
  {
   "name": "wb_event_rollup",
   "desc": "event rollup; 20k events folded into entity state per call",
   "n": 20000,
   "calls": 40,
   "speedup_vs_cpython_bridge_on": 1.289,
   "speedup_vs_cpython_bridge_off": 0.875,
   "fused_bridge_lift": 1.473,
   "pyvorin_median_s_on": 0.24659,
   "pyvorin_median_s_off": 0.37705,
   "cpython_median_s": 0.31777,
   "cold_call_s": 0.01516,
   "compile_s": 0.2479,
   "correct": true
  },
  {
   "name": "wb_rmw_balances",
   "desc": "read-modify-write balance adjustments; 20k accounts per call",
   "n": 20000,
   "calls": 40,
   "speedup_vs_cpython_bridge_on": 1.189,
   "speedup_vs_cpython_bridge_off": 0.782,
   "fused_bridge_lift": 1.52,
   "pyvorin_median_s_on": 0.2934,
   "pyvorin_median_s_off": 0.43292,
   "cpython_median_s": 0.34887,
   "cold_call_s": 0.01689,
   "compile_s": 0.2404,
   "correct": true
  }
 ]
}