Mac arm架构下安装lightgbm报错问题

文章讲述了用户在Macm2芯片设备上遇到LightGBM安装错误,涉及到x86和arm架构冲突。通过尝试conda安装、更新lightgbm以及解决导入错误,最终成功解决问题的过程。
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我是mac m2芯片,在安装lightgbm一直报错,

pip install lightgbm -i https://pypi.tuna.tsinghua.edu.cn/simple/

报错如下:

OSError: dlopen(/Users/opt/miniconda3/lib/python3.8/site-packages/lightgbm/lib/lib_lightgbm.so, 0x0006): Library not loaded: /usr/local/opt/libomp/lib/libomp.dylib
  Referenced from: <AF2B35E2-56EE-3669-88A6-BBD75577D81F> /Users/opt/miniconda3/lib/python3.8/site-packages/lightgbm/lib/lib_lightgbm.so
  Reason: tried: '/usr/local/opt/libomp/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/System/Volumes/Preboot/Cryptexes/OS/usr/local/opt/libomp/lib/libomp.dylib' (no such file), '/usr/local/opt/libomp/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/usr/local/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/usr/lib/libomp.dylib' (no such file, not in dyld cache), '/opt/homebrew/Cellar/libomp/17.0.6/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/Cellar/libomp/17.0.6/lib/libomp.dylib' (no such file), '/opt/homebrew/Cellar/libomp/17.0.6/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/usr/local/lib/libomp.dylib' (mach-o file, but is an incompatible architecture (have 'arm64', need 'x86_64')), '/usr/lib/libomp.dylib' (no such file, not in dyld cache)

问题可能是x86和arm架构冲突,尝试了很多办法之后无果,最后在chatGPT的帮助下找到以下解决方案:

首先使用conda定安装适合该环境的lightGBM:

conda install lightgbm -c conda-forge

安装了之后继续出现报错:

ImportError: cannot import name 'DataFrame' from 'lightgbm.compat' (/Users/opt/miniconda3/lib/python3.8/site-packages/lightgbm/compat.py)

继续询问chatGPT,找到以下解决方案:

conda update lightgbm

然后再运行lightGBM就没再报错了。

from lightgbm import LGBMClassifier

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