Datasets:
| from __future__ import annotations | |
| import json | |
| import os | |
| import subprocess | |
| import sys | |
| from pathlib import Path | |
| import pytest | |
| pytest.importorskip("jax") | |
| ROOT = Path(__file__).resolve().parents[1] | |
| def test_tiny_sharding_probe_on_two_cpu_devices() -> None: | |
| env = os.environ.copy() | |
| env["FORCE_2_CPU"] = "1" | |
| result = subprocess.run( | |
| [sys.executable, str(ROOT / "scripts" / "tiny_sharding_probe.py")], | |
| cwd=ROOT, | |
| env=env, | |
| text=True, | |
| capture_output=True, | |
| check=False, | |
| ) | |
| assert result.returncode == 0, result.stdout + result.stderr | |
| report = json.loads(result.stdout) | |
| assert report["ok"] is True | |
| assert len(report["devices"]) == 2 | |
| names = {case["name"] for case in report["cases"]} | |
| assert names == {"column_sharded_matmul", "row_sharded_matmul", "replicated_reshard_matmul"} | |