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- #!/usr/bin/env python3
- # Copyright (c) Microsoft Corporation.
- # SPDX-License-Identifier: Apache-2.0
- # DeepSpeed Team
- from __future__ import annotations
- '''Copyright The Microsoft DeepSpeed Team'''
- """
- Checks each file in sys.argv for the string "torch.cuda".
- Modified from https://github.com/jlebar/pre-commit-hooks/blob/master/check_do_not_submit.py
- """
- import subprocess
- import sys
- def err(s: str) -> None:
- print(s, file=sys.stderr)
- # There are many ways we could search for the string "torch.cuda", but `git
- # grep --no-index` is nice because
- # - it's very fast (as compared to iterating over the file in Python)
- # - we can reasonably assume it's available on all machines
- # - unlike plain grep, which is slower and has different flags on MacOS versus
- # Linux, git grep is always the same.
- res = subprocess.run(
- ["git", "grep", "-Hn", "--no-index", "-e", r"torch\.cuda", "--and", "--not", "-e", "#ignore-cuda", *sys.argv[1:]],
- capture_output=True,
- )
- if res.returncode == 0:
- err('Error: The string "torch.cuda" was found.\nPlease replace all calls to torch.cuda with "get_accelerator()" and add the following import line:\n\n from deepspeed.accelerator import get_accelerator\n\nIf your code is mean to be cuda specific, please add the following comment in the line with torch.cuda:\n\n #ignore-cuda\n'
- )
- err(res.stdout.decode("utf-8"))
- sys.exit(1)
- elif res.returncode == 2:
- err(f"Error invoking grep on {', '.join(sys.argv[1:])}:")
- err(res.stderr.decode("utf-8"))
- sys.exit(2)
- res = subprocess.run(
- ["git", "grep", "-Hn", "--no-index", r"\.cuda()", *sys.argv[1:]],
- capture_output=True,
- )
- if res.returncode == 0:
- err('Error: The string ".cuda()" was found. This implies convert a tensor to cuda tensor. Please replace all calls to tensor.cuda() with "tensor.to(get_accelerator().device_name())" and add the following import line:\nfrom deepspeed.accelerator import get_accelerator'
- )
- err(res.stdout.decode("utf-8"))
- sys.exit(1)
- elif res.returncode == 2:
- err(f"Error invoking grep on {', '.join(sys.argv[1:])}:")
- err(res.stderr.decode("utf-8"))
- sys.exit(2)
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