{
  "case": "fp8-b2-n1-64k",
  "batch": 2,
  "blocks": 1,
  "precision": "fp8",
  "budget_kib": 64,
  "status": "planner-rejected",
  "returncode": 1,
  "wall_seconds": 25.318,
  "stages": {
    "compile_runtime": "187\u00b5s",
    "gemm_candidates": "12.3s",
    "construct_mid": "25.2s"
  },
  "diagnostic": [
    "2026-09-22T14:59:40.992147Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:compile_runtime: close time.busy=187\u00b5s time.idle=3.04\u00b5s",
    "2026-09-22T14:59:53.008986Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=12.0s time.idle=2.86\u00b5s",
    "2026-09-22T15:00:05.308883Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid:gemm_candidates: close time.busy=12.3s time.idle=3.05\u00b5s",
    "2026-09-22T15:00:06.237029Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}:construct_mid: close time.busy=25.2s time.idle=3.12\u00b5s",
    "2026-09-22T15:00:06.237059Z  INFO ipu_codegen.package.build{tile_count=1472 operations=3}: close time.busy=25.2s time.idle=2.02\u00b5s",
    "Error: planning failed: no fitting path through high operation boundary 3",
    "",
    "Caused by:",
    "    no fitting path through high operation boundary 3"
  ]
}