mirror of
https://github.com/deepspeedai/DeepSpeed.git
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55 lines
2.1 KiB
Python
Executable File
55 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) Microsoft Corporation.
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# SPDX-License-Identifier: Apache-2.0
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# DeepSpeed Team
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from __future__ import annotations
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'''Copyright The Microsoft DeepSpeed Team'''
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"""
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Checks each file in sys.argv for the string "torch.cuda".
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Modified from https://github.com/jlebar/pre-commit-hooks/blob/master/check_do_not_submit.py
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"""
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import subprocess
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import sys
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def err(s: str) -> None:
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print(s, file=sys.stderr)
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# There are many ways we could search for the string "torch.cuda", but `git
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# grep --no-index` is nice because
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# - it's very fast (as compared to iterating over the file in Python)
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# - we can reasonably assume it's available on all machines
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# - unlike plain grep, which is slower and has different flags on MacOS versus
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# Linux, git grep is always the same.
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res = subprocess.run(
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["git", "grep", "-Hn", "--no-index", "-e", r"torch\.cuda", "--and", "--not", "-e", "#ignore-cuda", *sys.argv[1:]],
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capture_output=True,
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)
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if res.returncode == 0:
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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'
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)
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err(res.stdout.decode("utf-8"))
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sys.exit(1)
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elif res.returncode == 2:
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err(f"Error invoking grep on {', '.join(sys.argv[1:])}:")
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err(res.stderr.decode("utf-8"))
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sys.exit(2)
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res = subprocess.run(
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["git", "grep", "-Hn", "--no-index", r"\.cuda()", *sys.argv[1:]],
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capture_output=True,
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)
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if res.returncode == 0:
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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'
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)
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err(res.stdout.decode("utf-8"))
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sys.exit(1)
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elif res.returncode == 2:
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err(f"Error invoking grep on {', '.join(sys.argv[1:])}:")
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err(res.stderr.decode("utf-8"))
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sys.exit(2)
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