{
  "source": "instrumented-scheduler-pilot-c4-trace.json",
  "sha256": "1c07220e553a6c8a3c7733ae5e913ba77d9d077d60c3a5661def0708a2fe201a",
  "analyzer_sha256": "705850323742f76da327ed5ea04c0bbf8f0c948c928e65aff863196521891c4f",
  "complete": true,
  "samples": 44,
  "duration_ns": 1000316772,
  "excluded_boundary_samples": 0,
  "anchor_bracket_ns": [
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    1299
  ],
  "utc_offset_envelope_ns": [
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  ],
  "groups": [
    {
      "graph": {
        "index": 6,
        "name": "speculative4x3",
        "name_truncated": false,
        "kind": "Speculative",
        "batch_capacity": 4,
        "token_capacity": 3,
        "prefill_capacity": 0,
        "packed_token_capacity": 0
      },
      "queued": false,
      "physical_lanes": 4,
      "samples": 44,
      "metrics": {
        "rank_0_gpu_ms": {
          "n": 44,
          "min": 20.002111,
          "p50": 22.6825285,
          "p95": 24.099297,
          "max": 24.45632
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        "rank_1_gpu_ms": {
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        "max_rank_gpu_ms": {
          "n": 44,
          "min": 20.002111,
          "p50": 22.6825285,
          "p95": 24.108576,
          "max": 24.45632
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        "wall_ms": {
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          "min": 20.061354,
          "p50": 22.728775499999998,
          "p95": 24.15502,
          "max": 24.500308
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        "rank_interval_spread_ms": {
          "n": 44,
          "min": 3.3e-05,
          "p50": 0.0047355,
          "p95": 0.019873,
          "max": 0.060798
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        "selection_to_commit_us": {
          "n": 44,
          "min": 2.309,
          "p50": 2.8745000000000003,
          "p95": 6.283,
          "max": 7.713
        },
        "commit_to_observation_ms": {
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          "min": 20.079545,
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          "p95": 24.164252,
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        "prior_observation_age_ms": {
          "n": 44,
          "min": 0.00715,
          "p50": 0.0104815,
          "p95": 0.021453,
          "max": 0.024425
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        "retained_shape_cost_ms": {
          "n": 44,
          "min": 20.60652,
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          "p95": 23.437076,
          "max": 23.526819
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        "measured_cost_over_retained": {
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          "max": 1.0884623986725595
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      },
      "missing_prior_observations": 0,
      "nonpositive_retained_cost_samples": 0,
      "freshness": [
        "Fresh"
      ],
      "origins": [
        "Ordinary"
      ]
    }
  ],
  "limits": [
    "One bounded observational window; no causal bottleneck or overhead claim",
    "Rank intervals overlap and are not summed; interval spread is not synchronization wait",
    "Wall minus GPU time is not pure CPU overhead",
    "retained_ns is a previous shape-cost observation, not the submitted-plan estimate",
    "Request handles are physical slots/generations, not HTTP request IDs",
    "Graph dimensions are capacities, not executed token counts",
    "Runtime/source identity must be joined from recipe, build and incarnation receipts"
  ]
}