前置要求，homebrew
按GitHub的quickstart
brew install onednn libomp
注意这里没必要装python3.7了，这玩意也不支持arm
brew install python@3.8
然后试了一下，出错了，原因是之前换的源
根本没必要折腾换源，正确上网以后brew飞快
brew doctor
把warning里的提示复制出来跑
折腾了半天，还是不行，提示找不到python3.8-config，看了一下issue，好像是conda的问题
退回去base，又提示没有numpy
conda install numpy
然后再次安装
python3 -m pip install jittor
终于可以了
-m jittor.test.test_example
`bash
[i 0429 00:30:24.156270 00 compiler.py:951] Jittor(1.3.3.14) src: /Users/caiziqi/mambaforge/lib/python3.9/site-packages/jittor
[i 0429 00:30:24.180594 00 compiler.py:952] g++ at /usr/bin/g++(13.1.6)
[i 0429 00:30:24.180656 00 compiler.py:953] cache_path: /Users/caiziqi/.cache/jittor/jt1.3.3/g++13.1.6/py3.9.10/macOS-12.3.1-axa5/AppleM1Pro/default
[i 0429 00:30:24.322291 00 init.py:227] Total mem: 16.00GB, using 5 procs for compiling.
Compiling jittor_core(147/147) used: 22.011s eta: 0.000s
[i 0429 00:30:46.837270 00 jit_compiler.cc:28] Load cc_path: /usr/bin/g++
[i 0429 00:30:52.698847 00 compile_extern.py:516] mpicc not found, distribution disabled.
[i 0429 00:30:52.701137 00 compiler.py:34] Create cache dir: /Users/caiziqi/.cache/jittor/jt1.3.3/g++13.1.6/py3.9.10/macOS-12.3.1-axa5/AppleM1Pro/default/custom_ops
Compiling Operators(3/3) used: 2.34s eta: 0s
Compiling Operators(4/4) used: 3.38s eta: 0s
step 0, loss = 0.9048624038696289 {‘hold_vars’: 13, ‘lived_vars’: 62, ‘lived_ops’: 56}
Compiling Operators(9/9) used: 4.37s eta: 0s
step 1, loss = 0.41014260053634644 {‘hold_vars’: 13, ‘lived_vars’: 62, ‘lived_ops’: 56}
step 2, loss = 0.39250561594963074 {‘hold_vars’: 13, ‘lived_vars’: 62, ‘lived_ops’: 56}
…
Original: https://www.cnblogs.com/ghostcai/p/16205160.html
Author: GhostCai
Title: 【折腾】Jittor在ARM Mac下的安装
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