results: jobs/20261011-122830-dev-ilqr-model-dyn/** index/episodes.jsonl leaderboard/*

results/jobs/20261011-122830-dev-ilqr-model-dyn/error.txt

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+reaped: owning server 54743 is gone

results/jobs/20261011-122830-dev-ilqr-model-dyn/gautschi/0/gautschi_launch.py

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+"""Runs on a Gautschi node (stdlib only): episodes from a queue in parallel workers, one contained Apptainer per episode."""
+import argparse
+import json
+import os
+import queue
+import shutil
+import subprocess
+import threading
+import time
+
+RUN = ("source /opt/ros/humble/setup.bash && source /ws/install/setup.bash"
+       " && python3 -m simnode.batch /batch.json /out")
+CUDA_LIB = "/ws/mpc_cuda/libmpc_cuda.so"   # built per stack by runner/gautschi.build_stack for gautschi-gpu
+SAMPLE_S = 15
+STAGGER_S = 0.25   # between worker starts: the dev job's one error was a stack starved in the 96-way start burst
+EPISODE_TIMEOUT_S = 1200   # about 4x the slowest lap; a killed episode has no outcome and is retried by the host
+
+
+def worker_cmd(i, work, out, ep, sif, engine, stack, gpu=None):
+    """Private /tmp, HOME, /dev/shm, IPC, PIDs and loopback per episode, plus a distinct ROS_DOMAIN_ID per worker;
+    gpu (a host CUDA device) adds the driver and the stack's CUDA MPC kernel."""
+    cuda = ["--nv", "--env", f"CUDA_VISIBLE_DEVICES={gpu}", "--env", f"MPC_CUDA_LIB={CUDA_LIB}"] if gpu is not None else []
+    if gpu is None and os.path.exists(os.path.join(stack, "mpc_cuda", "libmpc_cuda.so")):
+        cuda = ["--env", f"MPC_CUDA_LIB={CUDA_LIB}"]   # CPU node: the library's native iLQR solve still loads; its MPPI falls back to numpy
+    return ["apptainer", "exec", *cuda, "--contain", "--cleanenv", "--ipc", "--pid", "--net", "--network", "none", "--workdir", work,
+            "--env", f"ROS_DOMAIN_ID={i + 1}", "--env", "ROS_HOME=/tmp/ros", "--env", "TMPDIR=/tmp",
+            "--bind", f"{engine}:/opt/sim:ro", "--bind", f"{stack}:/ws:ro", "--bind", f"{out}:/out",
+            "--bind", f"{ep}:/batch.json:ro", sif, "bash", "-lc", RUN]
+
+
+def parse_smi(text):
+    """nvidia-smi 'utilization.gpu, memory.used' csv rows to per-GPU lists."""
+    rows = [[int(v) for v in ln.split(",")] for ln in text.strip().splitlines() if ln.strip()]
+    return {"gpu_util": [r[0] for r in rows], "gpu_mem_mib": [r[1] for r in rows]}
+
+
+def _solver(logdir):
+    """pathfinder's 'MPC solver: ...' and CUDA fallback lines from the episode's ROS logs."""
+    lines = []
+    for dp, _, fns in os.walk(logdir):
+        for fn in fns:
+            try:
+                with open(os.path.join(dp, fn), errors="replace") as f:
+                    lines += [ln.strip() for ln in f if "MPC solver:" in ln or "CUDA MPC unavailable" in ln]
+            except OSError:
+                pass
+    return "\n".join(dict.fromkeys(lines))
+
+
+def main(argv=None):
+    p = argparse.ArgumentParser()
+    for a in ("episodes", "out", "sif", "engine", "stack", "work", "timeline", "done"):
+        p.add_argument("--" + a, required=True)
+    p.add_argument("--workers", type=int, required=True)
+    p.add_argument("--gpus", type=int, default=0)
+    a = p.parse_args(argv)
+    with open(a.episodes) as f:
+        q = queue.Queue()
+        for e in json.load(f):   # the host already ordered them, longest first
+            q.put(e)
+    os.makedirs(a.out, exist_ok=True)
+    lock, t0 = threading.Lock(), time.time()
+    devs = [d for d in os.environ.get("CUDA_VISIBLE_DEVICES", "").split(",") if d][:a.gpus] or [str(n) for n in range(a.gpus)]
+
+    def log(**ev):
+        with lock, open(a.timeline, "a") as f:
+            f.write(json.dumps(dict(ev, t=round(time.time() - t0, 3))) + "\n")
+
+    def worker(i):
+        time.sleep(i * STAGGER_S)
+        while True:
+            try:
+                e = q.get_nowait()
+            except queue.Empty:
+                return
+            key, work = e["key"], os.path.join(a.work, e["key"])
+            stage, ep = os.path.join(work, "stage"), os.path.join(work, "ep.json")
+            os.makedirs(stage)
+            with open(ep, "w") as f:
+                json.dump([e], f)
+            log(ev="start", key=key, worker=i)
+            gpu = devs[i % len(devs)] if devs and e["resolved"].get("recipe", {}).get("sim", {}).get("cuda") else None
+            limit = EPISODE_TIMEOUT_S * max(1, e["resolved"]["scenario"].get("laps", 1))   # per lap: 5-lap episodes run 5x longer
+            try:
+                rc = subprocess.run(worker_cmd(i, work, stage, ep, a.sif, a.engine, a.stack, gpu), stdout=subprocess.DEVNULL,
+                                    stderr=subprocess.DEVNULL, timeout=limit).returncode
+            except subprocess.TimeoutExpired:
+                rc = "timeout"
+            solver = _solver(os.path.join(work, "tmp", "ros", "log"))
+            if solver and os.path.isdir(os.path.join(stage, key)):
+                with open(os.path.join(stage, key, "solver.txt"), "w") as f:
+                    f.write(solver + "\n")
+            if os.path.exists(os.path.join(stage, key, "outcome.json")):
+                tmp, dst = os.path.join(a.out, ".tmp-" + key), os.path.join(a.out, key)
+                shutil.rmtree(tmp, ignore_errors=True)
+                shutil.copytree(os.path.join(stage, key), tmp)
+                shutil.rmtree(dst, ignore_errors=True)
+                os.rename(tmp, dst)   # the host's rsync sees a key only once its directory is complete
+                with lock, open(a.done, "a") as f:
+                    f.write(key + "\n")
+            shutil.rmtree(work, ignore_errors=True)
+            log(ev="end", key=key, worker=i, rc=rc, gpu=gpu,
+                solver=solver.split("MPC solver: ")[-1] if "MPC solver: " in solver else solver or None)
+
+    def sampler(stop):
+        """Job CPU use from its cgroup, as busy cores, every SAMPLE_S."""
+        try:
+            with open("/proc/self/cgroup") as f:
+                path = "/sys/fs/cgroup" + f.read().strip().split(":")[-1] + "/cpu.stat"
+            prev = None
+            while not stop.wait(SAMPLE_S if prev else 0):
+                with open(path) as f:
+                    use = next(int(ln.split()[1]) for ln in f if ln.startswith("usage_usec"))
+                now = time.time()
+                if prev:
+                    log(ev="cpu", busy_cores=round((use - prev[0]) / 1e6 / (now - prev[1]), 2))
+                prev = (use, now)
+        except (OSError, StopIteration, ValueError):
+            pass
+
+    def gpu_sampler(stop):
+        """GPU utilisation and memory of the job's GPUs, every SAMPLE_S."""
+        while not stop.wait(SAMPLE_S):
+            try:
+                p = subprocess.Popen(["nvidia-smi", "--query-gpu=utilization.gpu,memory.used", "--format=csv,noheader,nounits"],
+                                     stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True)
+                log(ev="gpu", **parse_smi(p.communicate(timeout=30)[0]))
+            except Exception:   # no driver or a hung query: skip this sample
+                pass
+
+    cores = len(os.sched_getaffinity(0)) if hasattr(os, "sched_getaffinity") else os.cpu_count()
+    log(ev="launch", workers=a.workers, cores=cores)
+    stop = threading.Event()
+    threads = [threading.Thread(target=worker, args=(i,)) for i in range(a.workers)]
+    samplers = [sampler] + ([gpu_sampler] if a.gpus else [])
+    for t in threads + [threading.Thread(target=f, args=(stop,), daemon=True) for f in samplers]:
+        t.start()
+    for t in threads:
+        t.join()
+    stop.set()
+    log(ev="done")
+
+
+if __name__ == "__main__":
+    main()

results/jobs/20261011-122830-dev-ilqr-model-dyn/gautschi/0/sbatch.sh

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+#!/bin/bash
+#SBATCH -p smallgpu -A lilly-rob1 -N 1 -n 1 -c 64 --gres=gpu:1 --time 55 -J AutoSim-dev-gpu --comment 20261011-122830-dev-ilqr-model-dyn -o AutoSim/jobs/20261011-122830-dev-ilqr-model-dyn/0/slurm-%j.out
+W=/dev/shm/AutoSim-$SLURM_JOB_ID
+trap 'rm -rf "$W"' EXIT
+python3 $HOME/AutoSim/jobs/20261011-122830-dev-ilqr-model-dyn/0/gautschi_launch.py --episodes $HOME/AutoSim/jobs/20261011-122830-dev-ilqr-model-dyn/0/episodes.json --out /scratch/gautschi/manors/AutoSim/out/20261011-122830-dev-ilqr-model-dyn --sif $HOME/AutoSim/images/AutoSim-99d206f40cb1.sif --engine $HOME/AutoSim/engine/b37fb519b32e564d2d8a8ea1259cbf2e695ba1a28d93504f20e4c2970a4f6f00 --stack $HOME/AutoSim/stacks/992d309b61d6bbe0ce1f489bf6fc77c5ab0196378ec181eec056acdd4a59ee99 --workers 32 --work $W --timeline $HOME/AutoSim/jobs/20261011-122830-dev-ilqr-model-dyn/0/timeline.jsonl --done $HOME/AutoSim/jobs/20261011-122830-dev-ilqr-model-dyn/0/done.txt --gpus 1

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results/jobs/20261011-122830-dev-ilqr-model-dyn/gautschi/1/gautschi_launch.py

@@ -0,0 +1,145 @@
+"""Runs on a Gautschi node (stdlib only): episodes from a queue in parallel workers, one contained Apptainer per episode."""
+import argparse
+import json
+import os
+import queue
+import shutil
+import subprocess
+import threading
+import time
+
+RUN = ("source /opt/ros/humble/setup.bash && source /ws/install/setup.bash"
+       " && python3 -m simnode.batch /batch.json /out")
+CUDA_LIB = "/ws/mpc_cuda/libmpc_cuda.so"   # built per stack by runner/gautschi.build_stack for gautschi-gpu
+SAMPLE_S = 15
+STAGGER_S = 0.25   # between worker starts: the dev job's one error was a stack starved in the 96-way start burst
+EPISODE_TIMEOUT_S = 1200   # about 4x the slowest lap; a killed episode has no outcome and is retried by the host
+
+
+def worker_cmd(i, work, out, ep, sif, engine, stack, gpu=None):
+    """Private /tmp, HOME, /dev/shm, IPC, PIDs and loopback per episode, plus a distinct ROS_DOMAIN_ID per worker;
+    gpu (a host CUDA device) adds the driver and the stack's CUDA MPC kernel."""
+    cuda = ["--nv", "--env", f"CUDA_VISIBLE_DEVICES={gpu}", "--env", f"MPC_CUDA_LIB={CUDA_LIB}"] if gpu is not None else []
+    if gpu is None and os.path.exists(os.path.join(stack, "mpc_cuda", "libmpc_cuda.so")):
+        cuda = ["--env", f"MPC_CUDA_LIB={CUDA_LIB}"]   # CPU node: the library's native iLQR solve still loads; its MPPI falls back to numpy
+    return ["apptainer", "exec", *cuda, "--contain", "--cleanenv", "--ipc", "--pid", "--net", "--network", "none", "--workdir", work,
+            "--env", f"ROS_DOMAIN_ID={i + 1}", "--env", "ROS_HOME=/tmp/ros", "--env", "TMPDIR=/tmp",
+            "--bind", f"{engine}:/opt/sim:ro", "--bind", f"{stack}:/ws:ro", "--bind", f"{out}:/out",
+            "--bind", f"{ep}:/batch.json:ro", sif, "bash", "-lc", RUN]
+
+
+def parse_smi(text):
+    """nvidia-smi 'utilization.gpu, memory.used' csv rows to per-GPU lists."""
+    rows = [[int(v) for v in ln.split(",")] for ln in text.strip().splitlines() if ln.strip()]
+    return {"gpu_util": [r[0] for r in rows], "gpu_mem_mib": [r[1] for r in rows]}
+
+
+def _solver(logdir):
+    """pathfinder's 'MPC solver: ...' and CUDA fallback lines from the episode's ROS logs."""
+    lines = []
+    for dp, _, fns in os.walk(logdir):
+        for fn in fns:
+            try:
+                with open(os.path.join(dp, fn), errors="replace") as f:
+                    lines += [ln.strip() for ln in f if "MPC solver:" in ln or "CUDA MPC unavailable" in ln]
+            except OSError:
+                pass
+    return "\n".join(dict.fromkeys(lines))
+
+
+def main(argv=None):
+    p = argparse.ArgumentParser()
+    for a in ("episodes", "out", "sif", "engine", "stack", "work", "timeline", "done"):
+        p.add_argument("--" + a, required=True)
+    p.add_argument("--workers", type=int, required=True)
+    p.add_argument("--gpus", type=int, default=0)
+    a = p.parse_args(argv)
+    with open(a.episodes) as f:
+        q = queue.Queue()
+        for e in json.load(f):   # the host already ordered them, longest first
+            q.put(e)
+    os.makedirs(a.out, exist_ok=True)
+    lock, t0 = threading.Lock(), time.time()
+    devs = [d for d in os.environ.get("CUDA_VISIBLE_DEVICES", "").split(",") if d][:a.gpus] or [str(n) for n in range(a.gpus)]
+
+    def log(**ev):
+        with lock, open(a.timeline, "a") as f:
+            f.write(json.dumps(dict(ev, t=round(time.time() - t0, 3))) + "\n")
+
+    def worker(i):
+        time.sleep(i * STAGGER_S)
+        while True:
+            try:
+                e = q.get_nowait()
+            except queue.Empty:
+                return
+            key, work = e["key"], os.path.join(a.work, e["key"])
+            stage, ep = os.path.join(work, "stage"), os.path.join(work, "ep.json")
+            os.makedirs(stage)
+            with open(ep, "w") as f:
+                json.dump([e], f)
+            log(ev="start", key=key, worker=i)
+            gpu = devs[i % len(devs)] if devs and e["resolved"].get("recipe", {}).get("sim", {}).get("cuda") else None
+            limit = EPISODE_TIMEOUT_S * max(1, e["resolved"]["scenario"].get("laps", 1))   # per lap: 5-lap episodes run 5x longer
+            try:
+                rc = subprocess.run(worker_cmd(i, work, stage, ep, a.sif, a.engine, a.stack, gpu), stdout=subprocess.DEVNULL,
+                                    stderr=subprocess.DEVNULL, timeout=limit).returncode
+            except subprocess.TimeoutExpired:
+                rc = "timeout"
+            solver = _solver(os.path.join(work, "tmp", "ros", "log"))
+            if solver and os.path.isdir(os.path.join(stage, key)):
+                with open(os.path.join(stage, key, "solver.txt"), "w") as f:
+                    f.write(solver + "\n")
+            if os.path.exists(os.path.join(stage, key, "outcome.json")):
+                tmp, dst = os.path.join(a.out, ".tmp-" + key), os.path.join(a.out, key)
+                shutil.rmtree(tmp, ignore_errors=True)
+                shutil.copytree(os.path.join(stage, key), tmp)
+                shutil.rmtree(dst, ignore_errors=True)
+                os.rename(tmp, dst)   # the host's rsync sees a key only once its directory is complete
+                with lock, open(a.done, "a") as f:
+                    f.write(key + "\n")
+            shutil.rmtree(work, ignore_errors=True)
+            log(ev="end", key=key, worker=i, rc=rc, gpu=gpu,
+                solver=solver.split("MPC solver: ")[-1] if "MPC solver: " in solver else solver or None)
+
+    def sampler(stop):
+        """Job CPU use from its cgroup, as busy cores, every SAMPLE_S."""
+        try:
+            with open("/proc/self/cgroup") as f:
+                path = "/sys/fs/cgroup" + f.read().strip().split(":")[-1] + "/cpu.stat"
+            prev = None
+            while not stop.wait(SAMPLE_S if prev else 0):
+                with open(path) as f:
+                    use = next(int(ln.split()[1]) for ln in f if ln.startswith("usage_usec"))
+                now = time.time()
+                if prev:
+                    log(ev="cpu", busy_cores=round((use - prev[0]) / 1e6 / (now - prev[1]), 2))
+                prev = (use, now)
+        except (OSError, StopIteration, ValueError):
+            pass
+
+    def gpu_sampler(stop):
+        """GPU utilisation and memory of the job's GPUs, every SAMPLE_S."""
+        while not stop.wait(SAMPLE_S):
+            try:
+                p = subprocess.Popen(["nvidia-smi", "--query-gpu=utilization.gpu,memory.used", "--format=csv,noheader,nounits"],
+                                     stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True)
+                log(ev="gpu", **parse_smi(p.communicate(timeout=30)[0]))
+            except Exception:   # no driver or a hung query: skip this sample
+                pass
+
+    cores = len(os.sched_getaffinity(0)) if hasattr(os, "sched_getaffinity") else os.cpu_count()
+    log(ev="launch", workers=a.workers, cores=cores)
+    stop = threading.Event()
+    threads = [threading.Thread(target=worker, args=(i,)) for i in range(a.workers)]
+    samplers = [sampler] + ([gpu_sampler] if a.gpus else [])
+    for t in threads + [threading.Thread(target=f, args=(stop,), daemon=True) for f in samplers]:
+        t.start()
+    for t in threads:
+        t.join()
+    stop.set()
+    log(ev="done")
+
+
+if __name__ == "__main__":
+    main()

results/jobs/20261011-122830-dev-ilqr-model-dyn/job.json

@@ -0,0 +1,39 @@
+{
+ "id": "20261011-122830-dev-ilqr-model-dyn",
+ "tier": "dev",
+ "tier_version": 2,
+ "recipe": {
+  "name": "dev-ilqr-model-dyn",
+  "source": {
+   "repo": "AutonomousKart",
+   "ref": "worktree:ilqr-dyn-bicycle"
+  },
+  "params": {
+   "pathfinder_node": {
+    "planner": "ilqr",
+    "mpc.num_samples": 16,
+    "ilqr.model": "dynamic"
+   }
+  },
+  "sim": {},
+  "notes": "model comparison arm B: dynamic single track with combined-slip tyres, rear surface speed as a state"
+ },
+ "user": "shay",
+ "notes": "iLQR rollout model comparison",
+ "where": "gautschi-gpu",
+ "status": "done",
+ "submitted_at": "2026-10-11T19:28:30.638+00:00",
+ "started_at": "2026-10-11T23:52:42.122+00:00",
+ "finished_at": "2026-10-12T01:02:49.875+00:00",
+ "total": 558,
+ "done": 558,
+ "errors": 0,
+ "build_log": "jobs/20261011-122830-dev-ilqr-model-dyn/error.txt",
+ "workers": 9,
+ "slurm_id": "302319",
+ "slurm_ids": [
+  "16952175",
+  "302319"
+ ],
+ "engine_version": "172fad94da76884393ddf4e6763a047fb70488d386feedf36ede2285fb419f1d"
+}

results/jobs/20261011-122830-dev-ilqr-model-dyn/summary.json

@@ -0,0 +1,156 @@
+{
+ "cte_p50": {
+  "value": 0.22963166654716408,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.23614241329404356,
+   "kart2": 0.2302324479048568,
+   "kart3": 0.22240558864203214
+  }
+ },
+ "cte_p90": {
+  "value": 0.5320739554253663,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.5132284040082234,
+   "kart2": 0.5654138091866656,
+   "kart3": 0.5161550175564453
+  }
+ },
+ "cte_p99": {
+  "value": 1.0455098820286988,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.9354824897965509,
+   "kart2": 1.0564749328886018,
+   "kart3": 1.1895705904862643
+  }
+ },
+ "recovery_rate": {
+  "value": 0.9610778443113772,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.9553571428571429,
+   "kart2": 0.9528301886792453,
+   "kart3": 0.9741379310344828
+  }
+ },
+ "recovery_s_median": {
+  "value": 1.9164999999999992,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 1.6835000000000004,
+   "kart2": 1.9499999999999993,
+   "kart3": 2.0335
+  }
+ },
+ "safety": {
+  "value": 0.8172198550079922,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.8279079096755497,
+   "kart2": 0.7972637988282861,
+   "kart3": 0.8267739584635608
+  }
+ },
+ "unsafe_lat": {
+  "value": 0.00028020309486936727,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.0003512553540049298,
+   "kart2": 0.0,
+   "kart3": 0.0004980388449970949
+  }
+ },
+ "unsafe_rate": {
+  "value": 0.11279320258716495,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.09474585331538024,
+   "kart2": 0.13654671938633245,
+   "kart3": 0.10706107277567194
+  }
+ },
+ "unsafe_travel": {
+  "value": 0.0,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 0.0,
+   "kart2": 0.0,
+   "kart3": 0.0
+  }
+ },
+ "unsafe_spin": {
+  "value": 1.5057642948587552e-05,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 2.3033137967536468e-05,
+   "kart2": 0.0,
+   "kart3": 2.2360927734563565e-05
+  }
+ },
+ "unsafe_off": {
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+  "worst_kart": null,
+  "per_kart": {
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+   "kart2": 0.08498665326973018,
+   "kart3": 0.08538621896023688
+  }
+ },
+ "osc_10": {
+  "value": 30.233229775215445,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 31.013882820237704,
+   "kart2": 26.91413118785192,
+   "kart3": 32.87815345480302
+  }
+ },
+ "osc_20": {
+  "value": 13.870318185620347,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 14.120424663884654,
+   "kart2": 11.077565808747275,
+   "kart3": 16.52658411230931
+  }
+ },
+ "osc_30": {
+  "value": 6.5140616415013755,
+  "worst_kart": null,
+  "per_kart": {
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+   "kart2": 3.861969115066579,
+   "kart3": 8.792461230882655
+  }
+ },
+ "laps_pct": {
+  "value": 82.45614035087719,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 84.21052631578948,
+   "kart2": 91.2280701754386,
+   "kart3": 71.9298245614035
+  }
+ },
+ "failures": {
+  "value": 37,
+  "worst_kart": null,
+  "per_kart": {
+   "kart1": 12,
+   "kart2": 6,
+   "kart3": 19
+  }
+ },
+ "n": {
+  "value": 558,
+  "worst_kart": null,
+  "per_kart": {}
+ },
+ "errors": {
+  "value": 0,
+  "worst_kart": null,
+  "per_kart": {}
+ }
+}

results/leaderboard/2__172fad94da76.json

@@ -0,0 +1,48 @@
+[
+ {
+  "job_id": "20261011-122830-dev-ilqr-model-dyn",
+  "recipe": "dev-ilqr-model-dyn",
+  "notes": "iLQR rollout model comparison",
+  "user": "shay",
+  "ran_at": "2026-10-12T01:02:49.875+00:00",
+  "duration_s": 4207.753,
+  "cte_p50": 0.22963166654716408,
+  "cte_p90": 0.5320739554253663,
+  "cte_p99": 1.0455098820286988,
+  "recovery_rate": 0.9610778443113772,
+  "recovery_s_median": 1.9164999999999992,
+  "safety": 0.8172198550079922,
+  "unsafe_lat": 0.00028020309486936727,
+  "unsafe_rate": 0.11279320258716495,
+  "unsafe_travel": 0.0,
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+  "unsafe_off": 0.08909509130660058,
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+  "laps_pct": 82.45614035087719,
+  "failures": 37,
+  "n": 558,
+  "errors": 0,
+  "worst": {
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+   "recovery_s_median": 2.0335,
+   "safety": 0.7972637988282861,
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+   "unsafe_rate": 0.13654671938633245,
+   "unsafe_travel": 0.0,
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+   "laps_pct": 71.9298245614035,
+   "failures": 19,
+   "n": 558,
+   "errors": 0
+  }
+ }
+]