{
  "case": "fp8-b2-n1-128k",
  "batch": 2,
  "blocks": 1,
  "precision": "fp8",
  "budget_kib": 128,
  "status": "planner-rejected",
  "returncode": 1,
  "wall_seconds": 73.657,
  "stages": {
    "compile_runtime": "266\u00b5s",
    "gemm_candidates": "41.7s",
    "construct_mid": "73.6s"
  },
  "diagnostic": [
    "2026-09-22T14:58:05.801020Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_runtime: close time.busy=266\u00b5s time.idle=7.04\u00b5s",
    "2026-09-22T14:58:35.403532Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=29.6s time.idle=3.19\u00b5s",
    "2026-09-22T14:59:17.082758Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=41.7s time.idle=3.83\u00b5s",
    "2026-09-22T14:59:19.394398Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: close time.busy=73.6s time.idle=2.70\u00b5s",
    "2026-09-22T14:59:19.394433Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: close time.busy=73.6s time.idle=2.74\u00b5s",
    "Error: planning failed: no fitting path through high operation boundary 3",
    "",
    "Caused by:",
    "    no fitting path through high operation boundary 3"
  ]
}