| |
| """Run a quick verification suite for Brain v0.4.""" |
| from __future__ import annotations |
| import sys |
| from pathlib import Path |
|
|
| ROOT = Path(__file__).resolve().parents[1] |
| sys.path.insert(0, str(ROOT)) |
|
|
| def main() -> int: |
| fails = 0 |
| def check(name, fn): |
| nonlocal fails |
| try: |
| fn() |
| print(f"PASS {name}") |
| except Exception as e: |
| print(f"FAIL {name}: {e}") |
| fails += 1 |
|
|
| def core(): |
| from brain.core.config import BrainConfig |
| from brain.model.brain_model import BrainForCausalLM |
| c = BrainConfig.from_yaml(str(ROOT / "configs/model/brain_0_4_mm.yaml")) |
| assert BrainForCausalLM(c).count_parameters()["total"] == 33_236_352 |
|
|
| def phase_a(): |
| from brain.experimental.ingest import load_any |
| import tempfile |
| p = Path(tempfile.mkdtemp()) / "t.txt" |
| p.write_text("ok") |
| assert load_any(p).blocks |
|
|
| def phase_b(): |
| import torch |
| from brain.experimental.multimodal import VisionTower |
| from brain.experimental.multimodal.vision.encoder import StubVisionEncoder |
| t = VisionTower(hidden_size=64, encoder=StubVisionEncoder(768, 8)) |
| assert t(torch.randn(1,3,64,64)).shape[-1] == 64 |
|
|
| def phase_c(): |
| import torch |
| from brain.experimental.multimodal import AudioTower |
| assert AudioTower(64, 128, 8)(torch.randn(1,1,500)).shape == (1,8,64) |
|
|
| def phase_d(): |
| from brain.experimental.multimodal import VideoBundle |
| assert "video" in VideoBundle("x.mp4").to_prompt() |
|
|
| def phase_e(): |
| from brain.experimental.mm_sft import MMSFTExample, write_sample_sft_jsonl, load_mm_sft_jsonl |
| import tempfile |
| p = Path(tempfile.mkdtemp()) / "s.jsonl" |
| write_sample_sft_jsonl(p) |
| rows = load_mm_sft_jsonl(p) |
| assert len(rows) >= 2 |
| assert "2+2" in rows[1].build_prompt() or rows[1].answer == "4" |
|
|
| for n,f in [("core",core),("A_ingest",phase_a),("B_vision",phase_b), |
| ("C_audio",phase_c),("D_video",phase_d),("E_mm_sft",phase_e)]: |
| check(n,f) |
| print("result:", "OK" if fails==0 else f"{fails} failed") |
| return 1 if fails else 0 |
|
|
| if __name__ == "__main__": |
| raise SystemExit(main()) |
|
|
