{
  "base_url": "[operator identity redacted]",
  "clock_domain_id": null,
  "completed": 3,
  "concurrency": 1,
  "configuration_fingerprint": null,
  "context_distribution": {
    "8192": 3
  },
  "context_seed": 17,
  "context_tokens": 8192,
  "controlled_output_policy": "observe",
  "engine": "strata",
  "failed": 0,
  "failures": [],
  "finished_at": "2026-10-05T10:49:51Z",
  "finished_at_unix_ns": 1791197391902324100,
  "gpu": "rtx5090",
  "manifest": null,
  "max_context_tokens": 32768,
  "max_tokens": 8192,
  "measurement_protocol": "capacity-v4-reasoning",
  "metric_population": {
    "aggregate_throughput_eligible": true,
    "attempted_requests": 3,
    "excluded_requests": 0,
    "failure_policy": "failed or contract-invalid responses retain sanitized timing and metadata but are excluded from performance distributions",
    "p99_interpretation": "descriptive-nearest-rank-only",
    "p99_interpretation_by_metric": {
      "decode_tok_s": "descriptive-nearest-rank-only",
      "e2e": "descriptive-nearest-rank-only",
      "effective_prefill_tok_s": "descriptive-nearest-rank-only",
      "tpot": "descriptive-nearest-rank-only",
      "ttft": "descriptive-nearest-rank-only"
    },
    "p99_minimum_recommended_samples": 100,
    "p99_samples_by_metric": {
      "decode_tok_s": 3,
      "e2e": 3,
      "effective_prefill_tok_s": 3,
      "tpot": 3,
      "ttft": 3
    },
    "performance_eligible_requests": 3,
    "successful_requests": 3
  },
  "metrics": {
    "completion_tokens_max": 302.0,
    "completion_tokens_mean": 265.0,
    "completion_tokens_mean_ci95_high": 328.90321431665234,
    "completion_tokens_mean_ci95_low": 201.09678568334766,
    "completion_tokens_min": 200.0,
    "completion_tokens_p25": 200.0,
    "completion_tokens_p50": 293.0,
    "completion_tokens_p75": 302.0,
    "completion_tokens_p90": 302.0,
    "completion_tokens_p95": 302.0,
    "completion_tokens_p99": 302.0,
    "completion_tokens_samples": 3,
    "completion_tokens_stddev": 56.471231613982,
    "content_chunks": 107,
    "content_chunks_s": null,
    "controlled_output_exact_adherence": 0,
    "controlled_output_exact_adherence_rate": null,
    "controlled_output_samples": 0,
    "controlled_output_unobservable": 0,
    "decode_tok_s_max": 89.76554402975655,
    "decode_tok_s_mean": 83.59881581998275,
    "decode_tok_s_mean_ci95_high": 93.45496413906754,
    "decode_tok_s_mean_ci95_low": 73.74266750089795,
    "decode_tok_s_min": 73.63501042063028,
    "decode_tok_s_p25": 73.63501042063028,
    "decode_tok_s_p50": 87.3958930095614,
    "decode_tok_s_p75": 89.76554402975655,
    "decode_tok_s_p90": 89.76554402975655,
    "decode_tok_s_p95": 89.76554402975655,
    "decode_tok_s_p99": 89.76554402975655,
    "decode_tok_s_samples": 3,
    "decode_tok_s_stddev": 8.709872273259924,
    "e2e_max_ms": 31237.22160000034,
    "e2e_mean_ci95_high_ms": 31221.133186866824,
    "e2e_mean_ci95_low_ms": 29434.02134646576,
    "e2e_mean_ms": 30327.577266666292,
    "e2e_min_ms": 29818.592899999203,
    "e2e_p25_ms": 29818.592899999203,
    "e2e_p50_ms": 29926.91729999933,
    "e2e_p75_ms": 31237.22160000034,
    "e2e_p90_ms": 31237.22160000034,
    "e2e_p95_ms": 31237.22160000034,
    "e2e_p99_ms": 31237.22160000034,
    "e2e_samples": 3,
    "e2e_stddev_ms": 789.6348230567756,
    "effective_prefill_tok_s_max": 280.29035269323174,
    "effective_prefill_tok_s_mean": 272.8452533396152,
    "effective_prefill_tok_s_mean_ci95_high": 281.0125190973987,
    "effective_prefill_tok_s_mean_ci95_low": 264.67798758183176,
    "effective_prefill_tok_s_min": 265.8794264941047,
    "effective_prefill_tok_s_p25": 265.8794264941047,
    "effective_prefill_tok_s_p50": 272.36598083150926,
    "effective_prefill_tok_s_p75": 280.29035269323174,
    "effective_prefill_tok_s_p90": 280.29035269323174,
    "effective_prefill_tok_s_p95": 280.29035269323174,
    "effective_prefill_tok_s_p99": 280.29035269323174,
    "effective_prefill_tok_s_samples": 3,
    "effective_prefill_tok_s_stddev": 7.217407781325739,
    "generation_max_ms": 3353.1796999996004,
    "generation_mean_ci95_high_ms": 3553.4858207591897,
    "generation_mean_ci95_low_ms": 2711.058579241697,
    "generation_mean_ms": 3132.2722000004433,
    "generation_min_ms": 2702.518800000689,
    "generation_p25_ms": 2702.518800000689,
    "generation_p50_ms": 3341.11810000104,
    "generation_p75_ms": 3353.1796999996004,
    "generation_p90_ms": 3353.1796999996004,
    "generation_p95_ms": 3353.1796999996004,
    "generation_p99_ms": 3353.1796999996004,
    "generation_samples": 3,
    "generation_stddev_ms": 372.226220405203,
    "mean_inter_token_latency_ms_max": 13.580496482415525,
    "mean_inter_token_latency_ms_mean": 12.05427121669269,
    "mean_inter_token_latency_ms_mean_ci95_high": 13.559704220108333,
    "mean_inter_token_latency_ms_mean_ci95_low": 10.548838213277048,
    "mean_inter_token_latency_ms_min": 11.14013189368638,
    "mean_inter_token_latency_ms_p25": 11.14013189368638,
    "mean_inter_token_latency_ms_p50": 11.442185273976165,
    "mean_inter_token_latency_ms_p75": 13.580496482415525,
    "mean_inter_token_latency_ms_p90": 13.580496482415525,
    "mean_inter_token_latency_ms_p95": 13.580496482415525,
    "mean_inter_token_latency_ms_p99": 13.580496482415525,
    "mean_inter_token_latency_ms_samples": 3,
    "mean_inter_token_latency_ms_stddev": 1.330350229238216,
    "mean_time_per_output_token_max_ms": 13.580496482415525,
    "mean_time_per_output_token_mean_ci95_high_ms": 13.559704220108333,
    "mean_time_per_output_token_mean_ci95_low_ms": 10.548838213277048,
    "mean_time_per_output_token_mean_ms": 12.05427121669269,
    "mean_time_per_output_token_min_ms": 11.14013189368638,
    "mean_time_per_output_token_p25_ms": 11.14013189368638,
    "mean_time_per_output_token_p50_ms": 11.442185273976165,
    "mean_time_per_output_token_p75_ms": 13.580496482415525,
    "mean_time_per_output_token_p90_ms": 13.580496482415525,
    "mean_time_per_output_token_p95_ms": 13.580496482415525,
    "mean_time_per_output_token_p99_ms": 13.580496482415525,
    "mean_time_per_output_token_samples": 3,
    "mean_time_per_output_token_stddev_ms": 1.330350229238216,
    "output_token_sources": {
      "usage": 3
    },
    "output_tokens": 795,
    "prefix_cache_hit_avg": 0.0,
    "prompt_token_samples": 3,
    "prompt_tokens": 22250,
    "prompt_tokens_max": 7418.0,
    "prompt_tokens_mean": 7416.666666666667,
    "prompt_tokens_mean_ci95_high": 7418.395224189896,
    "prompt_tokens_mean_ci95_low": 7414.938109143438,
    "prompt_tokens_min": 7415.0,
    "prompt_tokens_p25": 7415.0,
    "prompt_tokens_p50": 7417.0,
    "prompt_tokens_p75": 7418.0,
    "prompt_tokens_p90": 7418.0,
    "prompt_tokens_p95": 7418.0,
    "prompt_tokens_p99": 7418.0,
    "prompt_tokens_samples": 3,
    "prompt_tokens_stddev": 1.5275252316519468,
    "reasoning_chunks": 679,
    "request_canary_passed": 3,
    "request_canary_samples": 3,
    "throughput_performance_eligible": true,
    "throughput_tok_s": 8.737772855257319,
    "time_to_first_output_max_ms": 27896.1034999993,
    "time_to_first_output_mean_ci95_high_ms": 28005.29626476322,
    "time_to_first_output_mean_ci95_low_ms": 26385.31386856848,
    "time_to_first_output_mean_ms": 27195.30506666585,
    "time_to_first_output_min_ms": 26465.413199999603,
    "time_to_first_output_p25_ms": 26465.413199999603,
    "time_to_first_output_p50_ms": 27224.398499998642,
    "time_to_first_output_p75_ms": 27896.1034999993,
    "time_to_first_output_p90_ms": 27896.1034999993,
    "time_to_first_output_p95_ms": 27896.1034999993,
    "time_to_first_output_p99_ms": 27896.1034999993,
    "time_to_first_output_samples": 3,
    "time_to_first_output_stddev_ms": 715.7887289735867,
    "tpot_max_ms": 13.580496482415525,
    "tpot_mean_ci95_high_ms": 13.559704220108333,
    "tpot_mean_ci95_low_ms": 10.548838213277048,
    "tpot_mean_ms": 12.05427121669269,
    "tpot_min_ms": 11.14013189368638,
    "tpot_p25_ms": 11.14013189368638,
    "tpot_p50_ms": 11.442185273976165,
    "tpot_p75_ms": 13.580496482415525,
    "tpot_p90_ms": 13.580496482415525,
    "tpot_p95_ms": 13.580496482415525,
    "tpot_p99_ms": 13.580496482415525,
    "tpot_samples": 3,
    "tpot_stddev_ms": 1.330350229238216,
    "ttft_max_ms": 30779.642800000147,
    "ttft_mean_ci95_high_ms": 30767.353223101058,
    "ttft_mean_ci95_low_ms": 29071.077110233393,
    "ttft_mean_ms": 29919.215166667225,
    "ttft_min_ms": 29408.396800001356,
    "ttft_p25_ms": 29408.396800001356,
    "ttft_p50_ms": 29569.60590000017,
    "ttft_p75_ms": 30779.642800000147,
    "ttft_p90_ms": 30779.642800000147,
    "ttft_p95_ms": 30779.642800000147,
    "ttft_p99_ms": 30779.642800000147,
    "ttft_samples": 3,
    "ttft_stddev_ms": 749.4990844776116
  },
  "model": "qwen38-flash-next-strata-iq4xs-32k-c1-r36-m50",
  "performance_eligible": true,
  "prompt_cache_mode": "unique",
  "request_canaries": true,
  "request_timings": [
    {
      "content_chunks": 34,
      "controlled_output": null,
      "decode_tok_s": 73.63501042063028,
      "e2e_ms": 29926.91729999933,
      "effective_prefill_tok_s": 272.36598083150926,
      "generation_ms": 2702.518800000689,
      "mean_inter_token_latency_ms": 13.580496482415525,
      "mean_time_per_output_token_ms": 13.580496482415525,
      "output_token_source": "usage",
      "output_tokens": 200,
      "planned_context_tokens": 8192,
      "prompt_tokens": 7415,
      "reasoning_chunks": 163,
      "request_canary": {
        "capture_complete": true,
        "foreign_marker_count": 0,
        "marker": "ANVIL_REQ_17_00000",
        "marker_at_start": true,
        "observed_marker_count": 1,
        "passed": true
      },
      "request_index": 0,
      "time_to_first_output_ms": 27224.398499998642,
      "tpot_ms": 13.580496482415525,
      "ttft_ms": 29569.60590000017,
      "visible_content_truncated": false,
      "visible_generation_ms": 357.31139999916195
    },
    {
      "content_chunks": 35,
      "controlled_output": null,
      "decode_tok_s": 87.3958930095614,
      "e2e_ms": 31237.22160000034,
      "effective_prefill_tok_s": 265.8794264941047,
      "generation_ms": 3341.11810000104,
      "mean_inter_token_latency_ms": 11.442185273976165,
      "mean_time_per_output_token_ms": 11.442185273976165,
      "output_token_source": "usage",
      "output_tokens": 293,
      "planned_context_tokens": 8192,
      "prompt_tokens": 7417,
      "reasoning_chunks": 255,
      "request_canary": {
        "capture_complete": true,
        "foreign_marker_count": 0,
        "marker": "ANVIL_REQ_17_00001",
        "marker_at_start": true,
        "observed_marker_count": 1,
        "passed": true
      },
      "request_index": 1,
      "time_to_first_output_ms": 27896.1034999993,
      "tpot_ms": 11.442185273976165,
      "ttft_ms": 30779.642800000147,
      "visible_content_truncated": false,
      "visible_generation_ms": 457.57880000019213
    },
    {
      "content_chunks": 38,
      "controlled_output": null,
      "decode_tok_s": 89.76554402975655,
      "e2e_ms": 29818.592899999203,
      "effective_prefill_tok_s": 280.29035269323174,
      "generation_ms": 3353.1796999996004,
      "mean_inter_token_latency_ms": 11.14013189368638,
      "mean_time_per_output_token_ms": 11.14013189368638,
      "output_token_source": "usage",
      "output_tokens": 302,
      "planned_context_tokens": 8192,
      "prompt_tokens": 7418,
      "reasoning_chunks": 261,
      "request_canary": {
        "capture_complete": true,
        "foreign_marker_count": 0,
        "marker": "ANVIL_REQ_17_00002",
        "marker_at_start": true,
        "observed_marker_count": 1,
        "passed": true
      },
      "request_index": 2,
      "time_to_first_output_ms": 26465.413199999603,
      "tpot_ms": 11.14013189368638,
      "ttft_ms": 29408.396800001356,
      "visible_content_truncated": false,
      "visible_generation_ms": 410.19609999784734
    }
  ],
  "requests": 3,
  "response_words": 0,
  "responses_received": 3,
  "run_id": "benchmark-20261005T104820Z",
  "sampling": {
    "temperature": {
      "effective_request": 0.9,
      "requested": 0.9,
      "sent": true
    },
    "top_p": {
      "effective_request": 0.95,
      "requested": 0.95,
      "sent": true
    }
  },
  "schema": "anvil-serving.benchmark/v1",
  "serve_flags": {
    "no_thinking": false,
    "reasoning_effort": null,
    "shared_prefix_burst": false,
    "thinking_mode": "default"
  },
  "shared_prefix_tokens": 0,
  "source_recipe": null,
  "started_at": "2026-10-05T10:48:20Z",
  "started_at_unix_ns": 1791197300918038400,
  "tier": null,
  "timestamp_precision": "nanosecond-unix-fields; ISO labels are second precision",
  "timing_methodology": {
    "artifact_timestamps": "time.time_ns Unix timestamps; independent artifacts may align them only when the operator supplied the same explicit clock_domain_id",
    "clock": "client time.perf_counter",
    "controlled_output": "--response-words adherence is recorded; observe preserves historical behavior while strict rejects non-exact or truncated completions; visible response capture is capped at 8192 characters",
    "decode": "usage completion tokens after the first token divided by client-observed generation time; completion tokens may include reasoning tokens",
    "distributions": "request-level mean, sample standard deviation, normal-approximation 95% confidence interval for the mean, min, p25, p50, p75, p90, p95, p99, and max using the nearest-rank percentile method",
    "effective_prefill": "usage.prompt_tokens divided by client-observed time to first output; includes queueing, scheduling, prefill, and first-token work",
    "generation": "client-observed E2E minus time to first output",
    "mean_inter_token_latency": "legacy key for a TPOT proxy: client-observed generation time divided by completion tokens after the first token; not raw per-token ITL",
    "p99": "numeric nearest-rank p99 is always retained for compatibility; it is descriptive only below 100 eligible samples",
    "request_canaries": "when enabled, each response must begin with its own synthetic marker and contain no other ANVIL_REQ marker; bounded/truncated captures fail closed and are excluded from performance metrics",
    "time_to_first_output": "request start through the first non-empty streamed reasoning or content delta",
    "tpot": "client-observed mean time per output token after the first output; identical to the legacy mean_inter_token_latency key",
    "ttft": "request start through the first non-empty streamed content delta"
  },
  "wall_clock_ms": 90984.28319999948
}
