| def install_xla(upgrade: bool = False): |
| """ |
| Helper function to install appropriate xla wheels based on the `torch` version in Google Colaboratory. |
| Args: |
| upgrade (`bool`, *optional*, defaults to `False`): |
| Whether to upgrade `torch` and install the latest `torch_xla` wheels. |
| Example: |
| ```python |
| >>> from accelerate.utils import install_xla |
| >>> install_xla(upgrade=True) |
| ``` |
| """ |
| in_colab = False |
| if "IPython" in sys.modules: |
| in_colab = "google.colab" in str(sys.modules["IPython"].get_ipython()) |
| if in_colab: |
| if upgrade: |
| torch_install_cmd = ["pip", "install", "-U", "torch"] |
| subprocess.run(torch_install_cmd, check=True) |
| |
| torch_version = importlib.metadata.version("torch") |
| torch_version_trunc = torch_version[: torch_version.rindex(".")] |
| xla_wheel = f"https://storage.googleapis.com/tpu-pytorch/wheels/colab/torch_xla-{torch_version_trunc}-cp37-cp37m-linux_x86_64.whl" |
| xla_install_cmd = ["pip", "install", xla_wheel] |
| subprocess.run(xla_install_cmd, check=True) |
| else: |
| raise RuntimeError("`install_xla` utility works only on google colab.") |
|
|
