{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "$id": "nki-kernel-bench/timing.schema.json",
 "title": "timing.json",
 "type": "object",
 "required": [
  "toolchain",
  "runs"
 ],
 "properties": {
  "toolchain": {
   "type": "object"
  },
  "runs": {
   "type": "array",
   "items": {
    "type": "object",
    "required": [
     "shape_id",
     "launch_grid",
     "neff_md5",
     "compiled_lnc",
     "profiles",
     "total_time_us",
     "noise_pct",
     "tables_kept"
    ],
    "properties": {
     "shape_id": {
      "type": "string"
     },
     "launch_grid": {
      "enum": [
       1,
       2
      ]
     },
     "neff_md5": {
      "type": "string",
      "pattern": "^[0-9a-f]{32}$"
     },
     "compiled_lnc": {
      "enum": [
       1,
       2
      ]
     },
     "profiles": {
      "type": "array",
      "minItems": 2,
      "items": {
       "type": "object",
       "required": [
        "rep",
        "total_time_us",
        "n_instructions"
       ],
       "properties": {
        "rep": {
         "type": "integer"
        },
        "total_time_us": {
         "type": "number"
        },
        "n_instructions": {
         "type": "integer"
        },
        "clock_ghz": {
         "type": [
          "number",
          "null"
         ]
        }
       }
      }
     },
     "total_time_us": {
      "type": "number"
     },
     "noise_pct": {
      "type": "number"
     },
     "tables_kept": {
      "type": "array",
      "items": {
       "type": "string"
      }
     },
     "ramp_frac": {
      "type": "number",
      "description": "Tensor-Engine dI/dt warm-up cost / total time (min over reps), tools/ramp_cost.py"
     },
     "ramp_flag": {
      "type": "boolean",
      "description": "ramp_frac > 0.05"
     },
     "opening_ramp_us": {
      "type": "number",
      "description": "Tensor-Engine dI/dt ramp cost of the kernel's first matmul burst (min-time rep)"
     },
     "warm_est_us": {
      "type": "number",
      "description": "total_time_us - opening_ramp_us: estimated time when the Tensor Engine is already busy at kernel start (validated on trn2, eval_public/WARM_START.md)"
     },
     "placement": {
      "type": "object",
      "description": "same NEFF + inputs on both halves (pcores 0-3 / 4-7) of one trn2 device; see eval_public/PLACEMENT.md"
     },
     "controlled_us": {
      "type": "number",
      "description": "min(placement.half_A_us, half_B_us): placement-controlled time"
     }
    }
   }
  }
 }
}