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    # 在 M1 Mac 安裝 GPU 版的 Tensorflow (Intel Mac 也可以) ![mac_tf_gpu](https://hackmd.io/_uploads/S1M30N3Bt.png) ## 1. 安裝 `Anaconda` 請到 [Anaconda 官方下載點](https://www.anaconda.com/download), 下載安裝給 M1/M2 等 Apple 晶片的版本 (目前是叫 `64-Bit (M1) Command Line Installer` (自然下載圖形面版的也可以)。 接著到終端機中, `cd` 進去剛下載這個檔案的地方, 一般都是 ``` cd ~/Downloads ``` 然後執行剛下載的檔案 (自然依下載的時間, 你的檔名可能不同): ``` sh Anaconda3-2024.02-1-MacOSX-arm64.sh ``` ## 2. 安裝 `Xcode Command Line Tools` 這是依[這裡的安裝建議](https://github.com/apple/tensorflow_macos), 去安裝 [XCode Command Line Tools](https://developer.apple.com/download/more/?=command%20line%20tools)。雖然我不確定這次會不會用到, 但我們早晚會用上, 不如就先來安裝。 ## 3. 建立虛擬環境 現在我們就有 `conda` 的安裝環境, 所以做個虛擬環境, 比方說要叫 `tf2`, 指定 Python 用 3.10 版就是這樣子: ``` conda create -n tf2 python=3.10 ``` 然後進去這個虛擬環境: ``` conda activate tf2 ``` ## 4. 安裝 `TensorFlow` 接著下來我們就要依 [Apple 安裝指引](https://developer.apple.com/metal/tensorflow-plugin/), 來安裝 `TensorFlow`。 首先是安裝 TensorFlow 的相依套件。 ``` conda install -c apple tensorflow-deps ``` 再來是安裝 `TensorFlow` 及 `Tensorflow-Metal Plugin`: ``` pip install tensorflow-macos pip install tensorflow-metal ``` ## 5. Intel Mac 也可以 Intel Mac 如果使用 AMD GPU 也是可以的, 而且用 Anaconda 就好, 不一定要 `miniforge`。 唯一的重點是要 Big Sur 版 (macOS 11.x), 然後 Python 一定要 3.8 版, 還要在終端機下個指令: ``` export SYSTEM_VERSION_COMPAT=0 ``` 不然可能會對你的系統辨識錯誤, 還以為你還在用 macOS 11.x 之前的版本。接著就是 ``` pip install tensorflow-macos pip install tensorflow-metal ``` 然後就有 GPU 版的 TensorFlow 了! 可以執行這兩行試試: ```python import tensorflow as tf tf.test.gpu_device_name() ```

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