Autogenerated files are also regenerated. The tests can be run, but are disabled, as they require a long time. * gnu/packages/machine-learning.scm (python-pytorch): Update to 2.2.1. [version]: Use %python-pytorch-version. [source]: Use %python-pytorch-src. [arguments]: Remove 'make-things-writable phase. Add 'cmake-patches, 'disable-avx-dependencies, 'set-max-jobs, 'codegen1, 'codegen2, 'build2, 'install2 phases. Adjust 'use-system-libraries and 'check phases. [native-inputs]: Add doxygen, ideep-pytorch, pocketfft-cpp, python-expecttest, python-pytest-flakefinder, python-pytest-rerunfailures-13, python-pytest-shard, python-pytest-xdist, python-hypothesis, python-types-dataclasses, python-typing-extensions-4.10 and valgrind. [inputs]: Add asmjit, clog, flatbuffers-next, foxi, fxdiv, libuv, miniz-for-pytorch, qnnpack, qnnpack-pytorch and oneapi-dnnl. Use nnpack, oneapi-dnnl, qnnpack, qnnpack-pytorch and xnnpack only for supported systems. [propagated-inputs]: Add python-filelock, python-fsspec, python-jinja2, python-networkx, python-opt-einsum, python-optree, python-packaging, python-psutil and python-sympy. Remove python-cffi and python-six. Use cpuinfo only for supported systems. (%python-pytorch-src)[source]: Add patches. (python-pytorch2): Remove variable. * gnu/packages/patches/python-pytorch-runpath.patch: Adjust patch. * gnu/packages/patches/python-pytorch-system-libraries.patch: Adjust patch. * gnu/packages/patches/python-pytorch-1.9.0-system-libraries.patch: Remove file. * gnu/packages/patches/python-pytorch-fix-codegen.patch: New file. * gnu/packages/patches/python-pytorch-without-kineto: New file. * gnu/local.mk (dist_patch_DATA): Register them.