REPOSITORY SOURCE

sparse-storage-benchmark.json

docs/evidence/sparse-storage-benchmark.json

1{
2  "format": 1,
3  "date": "2026-10-24T19:05:50.357Z",
4  "engine": "0.1.0",
5  "fixture": "sparse-storage.1",
6  "git": {
7    "commit": "39c7ee236764fa554501de707edb5f1782020ee0",
8    "dirty": false
9  },
10  "platform": "linux",
11  "os": "7.2.8-9-omarchy",
12  "cpu": "Intel(R) Core(TM) Ultra X7 358H",
13  "node": "v22.23.4",
14  "entities": 8192,
15  "selected": 128,
16  "warmup": 30,
17  "samples": 180,
18  "milliseconds": {
19    "selectedUpdate": {
20      "p50": 0.12474700000001349,
21      "p95": 0.18726100000000656,
22      "p99": 0.25165300000000457
23    },
24    "fullQuery": {
25      "p50": 0.424365999999992,
26      "p95": 0.6753520000000037,
27      "p99": 1.0475819999999771
28    }
29  },
30  "churn": {
31    "replacements": 12800,
32    "before": {
33      "live": 8192,
34      "allocated": 8192,
35      "retired": 0,
36      "maxEntities": 8192,
37      "entityTypedBytes": 98304,
38      "components": {
39        "Position": {
40          "kind": "numeric-columns",
41          "rows": 8192,
42          "capacity": 8192,
43          "numericColumns": 3,
44          "typedBytes": 262144
45        },
46        "Selected": {
47          "kind": "numeric-columns",
48          "rows": 128,
49          "capacity": 128,
50          "numericColumns": 1,
51          "typedBytes": 1152
52        }
53      }
54    },
55    "after": {
56      "live": 8192,
57      "allocated": 8192,
58      "retired": 0,
59      "maxEntities": 8192,
60      "entityTypedBytes": 98304,
61      "components": {
62        "Position": {
63          "kind": "numeric-columns",
64          "rows": 8192,
65          "capacity": 8192,
66          "numericColumns": 3,
67          "typedBytes": 262144
68        },
69        "Selected": {
70          "kind": "numeric-columns",
71          "rows": 128,
72          "capacity": 128,
73          "numericColumns": 1,
74          "typedBytes": 1152
75        }
76      }
77    }
78  },
79  "checksum": 7045570560,
80  "snapshotSha256": "3ff3dcaf6a4622db791e6015bd6e09e5e51b6bb73f3b250ead7cece44be16868",
81  "scope": "Isolated ECS mutation/query/slot-reuse workload. Not whole-world simulation, GPU, physics or multiplayer capacity. Typed byte counts exclude JS object and journal payload memory."
82}
83