{
  "torch_version": "2.10.0+cpu",
  "device": "CPU",
  "dtype": "float64",
  "checks": {
    "linear_Q": "passed",
    "linear_K": "passed",
    "linear_V": "passed",
    "low_level_sdpa": "passed",
    "high_level_mha_same_input": "passed"
  },
  "note": "高层MHA收到同一X，内部投影；底层SDPA收到投影后的Q/K/V。"
}