{
  "_about": "Simulator budgets checked by `make perf` and `make memtest` (README section 18). Simulator timings depend on your PC, so perf budgets only catch big regressions; from M4 on they are set to about 2x the measured baseline. Memory is a hard limit: at most 70 % of the watch-app memory of the device.",
  "perf": {
    "startup_ms": 3000
  },
  "mem": {
    "mem_used_fraction": 0.70
  }
}