{
  "kind": "Own illustrative storage arithmetic; not an actual benchmark or total VRAM prediction",
  "bytesPerCell": 2,
  "matrices": [
    {
      "sequence": 1024,
      "cells": 1048576,
      "bytes": 2097152,
      "MiB": 2
    },
    {
      "sequence": 4096,
      "cells": 16777216,
      "bytes": 33554432,
      "MiB": 32
    }
  ],
  "tile": {
    "rows": 256,
    "columns": 256,
    "bytes": 131072,
    "KiB": 128
  },
  "limits": [
    "One square dense score matrix for one attention head only",
    "Excludes Q/K/V, outputs, caches, activations and runtime buffers",
    "Tile size is illustrative, not a supported-kernel requirement"
  ]
}