关于python3.9的nogil版本参看：
PEP 703作者给出的一种no-GIL的实现——python3.9的nogil版本
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突发奇想，既然python的正式版本要开始逐渐的合并nogil并转想no-GIL，那么没有合并下的nogil是否可以安装pytorch呢，于是就了用nogil编译pytorch2.0.1源码的这个操作，实践证明不可以，报错：
In file included from /root/anaconda3/envs/python3.9_nogil/include/python3.9/pytime.h:6,
from /root/anaconda3/envs/python3.9_nogil/include/python3.9/Python.h:67,
from /root/pytorch/torch/csrc/python_headers.h:12,
from /root/pytorch/torch/csrc/Device.h:4,
from /root/pytorch/torch/csrc/autograd/generated/python_nested_functions.cpp:4:
/root/pytorch/torch/csrc/utils/pythoncapi_compat.h: In function ‘PyObject* PyCode_GetCode(PyCodeObject*)’:
/root/pytorch/torch/csrc/utils/pythoncapi_compat.h:543:28: error: ‘PyCodeObject’ {aka ‘struct PyCodeObject’} has no member named ‘co_code’
543 | return Py_NewRef(code->co_code);
| ^~~~~~~
/root/pytorch/torch/csrc/utils/pythoncapi_compat.h:543:12: note: in expansion of macro ‘Py_NewRef’
543 | return Py_NewRef(code->co_code);
| ^~~~~~~~~
At global scope:
cc1plus: note: unrecognized command-line option ‘-Wno-aligned-allocation-unavailable’ may have been intended to silence earlier diagnostics
cc1plus: note: unrecognized command-line option ‘-Wno-unused-private-field’ may have been intended to silence earlier diagnostics
cc1plus: note: unrecognized command-line option ‘-Wno-invalid-partial-specialization’ may have been intended to silence earlier diagnostics
[6729/7009] Building CXX object test_lazy/CMakeFiles/test_lazy.dir/test_lazy_ops.cpp.o
ninja: build stopped: subcommand failed.
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