[tips] m1 macbook tensorflow gpu 설치

 conda install -c apple tensorflow-deps
 python -m pip install tensorflow-macos
 python -m pip install tensorflow-metal

import tensorflow as tf
tf.__version__
tf.config.list_physical_devices()

"""
[PhysicalDevice(name='/physical_device:CPU:0', device_type='CPU'),
 PhysicalDevice(name='/physical_device:GPU:0', device_type='GPU')]
"""

graph error 발생시

python -m pip install tensorflow-macos==2.9
python -m pip install tensorflow-metal==0.5.0

참고
[1] https://developer.apple.com/forums/thread/721619