laige-cpp/budgets.json at master · offdev/laige-cpp · GitHub

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{
  "version": 1,
  "description": "Laige performance budgets (PRD 8.1). Each entry names one hard budget: 'target' is the limit in 'unit' (every budget is an at-most upper bound; target 0 is a hard zero budget, not 'unset'), 'measured' is the last recorded value of that budget (0 = not yet measured, the M0 convention), and 'metric' is the histogram statistic the check evaluates. Schema: docs/api/budget_harness.md, section 'budgets.json schema'.",
  "budgets": [
    {
      "name": "frame_time_render",
      "metric": "p95",
      "unit": "ms",
      "target": 8.3,
      "measured": 0,
      "workload": "worst-case isometric reference scene @ 1080p, mid-range laptop (PRD 8.1)"
    },
    {
      "name": "sim_tick_avg",
      "metric": "mean",
      "unit": "ms",
      "target": 3.0,
      "measured": 0.598405,
      "workload": "10k entities, 2k dynamic bodies (PRD 8.1)"
    },
    {
      "name": "sim_tick_p99",
      "metric": "p99",
      "unit": "ms",
      "target": 5.0,
      "measured": 0.615179,
      "workload": "10k entities, 2k dynamic bodies (PRD 8.1)"
    },
    {
      "name": "sprites_50k_draw_calls",
      "metric": "max",
      "unit": "draw_calls",
      "target": 30,
      "measured": 0,
      "workload": "50k visible sprites (worst-case isometric overlap), 3 parallax layers, UI (PRD 8.1)"
    },
    {
      "name": "sprites_50k_cpu",
      "metric": "mean",
      "unit": "ms",
      "target": 2.0,
      "measured": 0,
      "workload": "50k visible sprites (worst-case isometric overlap), 3 parallax layers, UI (PRD 8.1)"
    },
    {
      "name": "iso_depthkey_rebuild",
      "metric": "mean",
      "unit": "ms",
      "target": 0.2,
      "measured": 0,
      "workload": "10k dirty cells after a terrain edit (PRD 8.1)"
    },
    {
      "name": "iso_picking",
      "metric": "mean",
      "unit": "ms",
      "target": 0.01,
      "measured": 0,
      "workload": "one isometric screen-to-grid pick, O(1) (PRD 8.1)"
    },
    {
      "name": "sim_heap_allocs",
      "metric": "max",
      "unit": "allocs_per_frame",
      "target": 0,
      "measured": 0,
      "workload": "steady-state sim loop heap allocations, asserted in debug builds (PRD 8.1)"
    },
    {
      "name": "engine_base_rss",
      "metric": "max",
      "unit": "mb",
      "target": 100,
      "measured": 0,
      "workload": "engine base memory, empty scene running (PRD 8.1, all P0 platforms)"
    },
    {
      "name": "cold_start_ssd",
      "metric": "max",
      "unit": "s",
      "target": 2.0,
      "measured": 0,
      "workload": "game process to first frame on SSD (PRD 8.1, P0 platforms)"
    },
    {
      "name": "cold_start_cold",
      "metric": "max",
      "unit": "s",
      "target": 5.0,
      "measured": 0,
      "workload": "cold start (PRD 8.1, P0 platforms)"
    },
    {
      "name": "build_time_ci",
      "metric": "max",
      "unit": "min",
      "target": 10,
      "measured": 0,
      "workload": "clean build, engine + sample (PRD 8.1, CI)"
    },
    {
      "name": "build_time_local",
      "metric": "max",
      "unit": "min",
      "target": 5,
      "measured": 0,
      "workload": "warm local build, engine + sample (PRD 8.1)"
    },
    {
      "name": "zone_server_tick_p95",
      "metric": "p95",
      "unit": "ms",
      "target": 8.0,
      "measured": 0,
      "workload": "zone server, 2k players @ 20 Hz (PRD 8.1, 8-core server class)"
    },
    {
      "name": "zone_server_ram",
      "metric": "max",
      "unit": "gb",
      "target": 4,
      "measured": 0,
      "workload": "zone server RAM, 2k players @ 20 Hz (PRD 8.1, 8-core server class)"
    }
  ]
}