{"id":44991,"date":"2023-12-22T22:44:04","date_gmt":"2023-11-02T22:37:47","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/"},"modified":"2024-05-04T14:54:42","modified_gmt":"2024-05-04T06:54:42","slug":"44991-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/","title":{"rendered":""},"content":{"rendered":"<h2>Python\u306e\u5229\u70b9<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5bfe\u8a71\u7684\u306b\u30c7\u30fc\u30bf\u306e\u52a0\u5de5\u3001\u89e3\u6790\u3001\u53ef\u8996\u5316 on Jupyter<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b0\u30eb\u30fc\u8a00\u8a9e\u7684\u7528\u6cd5<\/ul>\n<\/li>\n<\/ul>\n<p>\u516c\u5f0f\u30fb\u975e\u516c\u5f0f\u306b\u3088\u3063\u3066Python\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306f\u3060\u3044\u305f\u3044\u7528\u610f\u3055\u308c\u3066\u3044\u308b<\/p>\n<p>pip\/wheel\u3001\u3042\u308b\u3044\u306fanaconda\u306b\u3088\u308b\u74b0\u5883\u69cb\u7bc9\u306e\u5bb9\u6613\u3055<\/p>\n<h2>Python\u306e\u554f\u984c\u70b9<\/h2>\n<ul class=\"post-ul\">Python\u81ea\u4f53\u306e\u52d5\u4f5c\u304c\u4f4e\u901f<\/ul>\n<hr \/>\n<h2>\u9ad8\u901f\u5316\u306e\u53d6\u308a\u7d44\u307f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Cython<\/ul>\n<\/li>\n<\/ul>\n<p>\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u308bPython\u306b\u8fd1\u3044DSL\u3092\u5b9a\u7fa9\u3057\u3066\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u5b9f\u884c\u3059\u308b<\/p>\n<p>Numba<\/p>\n<p>Python\u306e\u30b3\u30fc\u30c9\u3092LLVM\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u5b9f\u884c\u3059\u308b<\/p>\n<p>Theano<\/p>\n<p>Python\u4e0a\u3067\u57cb\u3081\u8fbc\u307fDSL\u306b\u3088\u3063\u3066\u8a08\u7b97\u3092\u69cb\u7bc9\u3057\u3066\u3001\u305d\u308c\u3092\u9ad8\u901f\u306a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b<\/p>\n<p>FFI<\/p>\n<p>\u65e2\u306b\u5b58\u5728\u3059\u308b\u9ad8\u901f\u306b\u52d5\u4f5c\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea(C\/Fortran)\u3092\u547c\u3073\u51fa\u3059<\/p>\n<hr \/>\n<h2>Python\u306e\u62e1\u5f35\u3068NumPy\u306e\u62e1\u5f35<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Python C-API (CPython\u62e1\u5f35)<\/ul>\n<\/li>\n<\/ul>\n<p>http:\/\/docs.python.jp\/3\/c-api\/<br \/>\nC\u3067Python\u3067\u4f7f\u3048\u308b\u69cb\u9020\u4f53\u3084\u95a2\u6570\u3092\u5b9a\u7fa9\u3059\u308b<\/p>\n<p>NumPy C-API<\/p>\n<p>https:\/\/docs.scipy.org\/doc\/numpy\/reference\/c-api.html<br \/>\n\u305d\u3082\u305d\u3082NumPy\u81ea\u4f53\u304cPython C-API\u3092\u5229\u7528\u3057\u3066\u5b9f\u88c5\u3057\u3066\u3042\u308b<br \/>\nNumPy\u304c\u8ffd\u52a0\u3057\u305f\u69cb\u9020\u4f53\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306eAPI<\/p>\n<p>\uff12\u7a2e\u985e\u306eC-API\u306e\u4e21\u65b9\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b<\/p>\n<hr \/>\n<h2>\u3069\u306e\u8a00\u8a9e\u3067NumPy\u3092\u62e1\u5f35\u3059\u308b\uff1f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C\/C++<\/ul>\n<\/li>\n<\/ul>\n<p>SWIG (NumPy C-API\u306f\u305d\u306e\u307e\u307e\u4f7f\u3046)<\/p>\n<p>C++<\/p>\n<p>Boost.Python (\u542bBoost.NumPy)<\/p>\n<p>Fortran<\/p>\n<p>f2py<\/p>\n<p>Rust<\/p>\n<p>rust-cpython \/ rust-numpy<\/p>\n<hr \/>\n<h2>\u4f55\u6545Rust\uff1f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306f\u73fe\u4ee3\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u8a00\u8a9e\u3067\u6570\u5024\u8a08\u7b97\u306b\u5411\u3044\u3066\u3044\u308b\uff08\u3068\u601d\u3046\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>Borrow Checker\u306b\u3088\u308b\u30c7\u30fc\u30bf\u7af6\u5408(data race)\u306e\u6392\u9664<br \/>\nC++\u7684\u306a\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb\u30fbmove semantics (no GC)<br \/>\n\u578b\u30af\u30e9\u30b9\u7684\u306aGenerics<br \/>\n\u5f37\u529b\u306a\u578b\u63a8\u8ad6<br \/>\nNative Thread<br \/>\nLLVM\u306b\u3088\u308b\u6700\u9069\u5316<\/p>\n<p>Rust\u3067\u66f8\u304d\u305f\u3044\u304b\u3089<\/p>\n<hr \/>\n<h2>rust-cpython<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Python C-API\u306eRust\u30e9\u30c3\u30d1\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>\u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u306e\u7ba1\u7406<br \/>\nGIL\u306e\u62bd\u8c61\u5316<br \/>\nPython\u30a4\u30f3\u30bf\u30d7\u30ea\u30bf\u306e\u8d77\u52d5<br \/>\nPython\u3078\u306e\u95a2\u6570\u306e\u516c\u958b<\/p>\n<hr \/>\n<h2>Rust\u304b\u3089Python\u306e\u547c\u3073\u51fa\u3057<\/h2>\n<pre class=\"post-pre\"><code><span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">cpython<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">cpython<\/span><span class=\"p\">::{<\/span><span class=\"n\">Python<\/span><span class=\"p\">,<\/span> <span class=\"n\">PyDict<\/span><span class=\"p\">,<\/span> <span class=\"n\">PyResult<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">gil<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Python<\/span><span class=\"p\">::<\/span><span class=\"nf\">acquire_gil<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nf\">hello<\/span><span class=\"p\">(<\/span><span class=\"n\">gil<\/span><span class=\"nf\">.python<\/span><span class=\"p\">())<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">hello<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">:<\/span> <span class=\"n\">Python<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">PyResult<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">sys<\/span> <span class=\"o\">=<\/span> <span class=\"n\">py<\/span><span class=\"nf\">.import<\/span><span class=\"p\">(<\/span><span class=\"s\">\"sys\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">version<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"n\">sys<\/span><span class=\"nf\">.get<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"version\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"nf\">.extract<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">locals<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">PyDict<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"n\">locals<\/span><span class=\"nf\">.set_item<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"os\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">py<\/span><span class=\"nf\">.import<\/span><span class=\"p\">(<\/span><span class=\"s\">\"os\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">user<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"n\">py<\/span><span class=\"nf\">.eval<\/span><span class=\"p\">(<\/span><span class=\"s\">\"os.getenv('USER') or os.getenv('USERNAME')\"<\/span><span class=\"p\">,<\/span> <span class=\"nb\">None<\/span><span class=\"p\">,<\/span> <span class=\"nf\">Some<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">locals<\/span><span class=\"p\">))<\/span><span class=\"o\">?<\/span><span class=\"nf\">.extract<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello {}, I'm Python {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">user<\/span><span class=\"p\">,<\/span> <span class=\"n\">version<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>Python\u304b\u3089Rust\u306e\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057<\/h2>\n<pre class=\"post-pre\"><code><span class=\"nd\">#[macro_use]<\/span> <span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">cpython<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">cpython<\/span><span class=\"p\">::{<\/span><span class=\"n\">PyResult<\/span><span class=\"p\">,<\/span> <span class=\"n\">Python<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"c\">\/\/ add bindings to the generated python module<\/span>\r\n<span class=\"c\">\/\/ N.B: names: \"librust2py\" must be the name of the `.so` or `.pyd` file<\/span>\r\n<span class=\"nd\">py_module_initializer!<\/span><span class=\"p\">(<\/span><span class=\"n\">librust2py<\/span><span class=\"p\">,<\/span> <span class=\"n\">initlibrust2py<\/span><span class=\"p\">,<\/span> <span class=\"n\">PyInit_librust2py<\/span><span class=\"p\">,<\/span> <span class=\"p\">|<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"n\">m<\/span><span class=\"p\">|<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">try!<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"nf\">.add<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"__doc__\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"This module is implemented in Rust.\"<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"nd\">try!<\/span><span class=\"p\">(<\/span><span class=\"n\">m<\/span><span class=\"nf\">.add<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"sum_as_string\"<\/span><span class=\"p\">,<\/span> <span class=\"nd\">py_fn!<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"nf\">sum_as_string_py<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span><span class=\"nb\">i64<\/span><span class=\"p\">))));<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"c\">\/\/ logic implemented as a normal rust function<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">sum_as_string<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span><span class=\"nb\">i64<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">String<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nd\">format!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span> <span class=\"o\">+<\/span> <span class=\"n\">b<\/span><span class=\"p\">)<\/span><span class=\"nf\">.to_string<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ rust-cpython aware function. All of our python interface could be<\/span>\r\n<span class=\"c\">\/\/ declared in a separate module.<\/span>\r\n<span class=\"c\">\/\/ Note that the py_fn!() macro automatically converts the arguments from<\/span>\r\n<span class=\"c\">\/\/ Python objects to Rust values; and the Rust return value back into a Python object.<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">sum_as_string_py<\/span><span class=\"p\">(<\/span><span class=\"mi\">_<\/span><span class=\"p\">:<\/span> <span class=\"n\">Python<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">:<\/span><span class=\"nb\">i64<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">:<\/span><span class=\"nb\">i64<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">PyResult<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">out<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">sum_as_string<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">b<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">out<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>rust-numpy<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GW\u306b\u4f5c\u3063\u305f(\/\u30fb\u03c9\u30fb)\/<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">rust-cpython\u3092\u30d9\u30fc\u30b9\u306bNumPy C-API\u3092Rust\u5074\u306b\u516c\u958b<\/ul>\n<\/li>\n<\/ul>\n<p>numpy.ndarray\u306b\u5bfe\u5fdc\u3059\u308bPyArray\u3092\u5c0e\u5165\u3059\u308b<br \/>\nrust-ndarray\u306eArray\u306b\u5909\u63db\u3059\u308b<\/p>\n<hr \/>\n<h2>rust-ndarray<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306b\u304a\u3051\u308b\u7dda\u5f62\u4ee3\u6570\u30e9\u30a4\u30d6\u30e9\u30ea<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">NumPy\u3068\u540c\u69d8\u306estride\u65b9\u5f0f\u306endarray<\/ul>\n<pre class=\"post-pre\"><code><span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">ndarray<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">ndarray<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c\">\/\/ immutable example<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">axpy<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">ArrayViewD<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">f64<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">:<\/span> <span class=\"n\">ArrayViewD<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">f64<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">ArrayD<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">f64<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">a<\/span> <span class=\"o\">*<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">x<\/span> <span class=\"o\">+<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">y<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ mutable example (no return)<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">mult<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">ArrayViewMutD<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">f64<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">x<\/span> <span class=\"o\">*=<\/span> <span class=\"n\">a<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>rust-numpy<\/h2>\n<pre class=\"post-pre\"><code><span class=\"nd\">#[macro_use]<\/span>\r\n<span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">cpython<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">extern<\/span> <span class=\"n\">crate<\/span> <span class=\"n\">numpy<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">numpy<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">cpython<\/span><span class=\"p\">::{<\/span><span class=\"n\">PyResult<\/span><span class=\"p\">,<\/span> <span class=\"n\">Python<\/span><span class=\"p\">,<\/span> <span class=\"n\">PyObject<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"c\">\/\/ wrapper of `axpy`<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">axpy_py<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">:<\/span> <span class=\"n\">Python<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">PyResult<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">PyArray<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">np<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">PyArrayModule<\/span><span class=\"p\">::<\/span><span class=\"nf\">import<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">x<\/span> <span class=\"o\">=<\/span> <span class=\"n\">x<\/span><span class=\"nf\">.as_array<\/span><span class=\"p\">()<\/span><span class=\"nf\">.into_pyresult<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"x must be f64 array\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">y<\/span> <span class=\"o\">=<\/span> <span class=\"n\">y<\/span><span class=\"nf\">.as_array<\/span><span class=\"p\">()<\/span><span class=\"nf\">.into_pyresult<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"y must be f64 array\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"nf\">axpy<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span><span class=\"nf\">.into_pyarray<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">np<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ wrapper of `mult`<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">mult_py<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">:<\/span> <span class=\"n\">Python<\/span><span class=\"p\">,<\/span> <span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">PyResult<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">PyObject<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">x<\/span> <span class=\"o\">=<\/span> <span class=\"n\">x<\/span><span class=\"nf\">.as_array_mut<\/span><span class=\"p\">()<\/span><span class=\"nf\">.into_pyresult<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"x must be f64 array\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">mult<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"nf\">.None<\/span><span class=\"p\">())<\/span> <span class=\"c\">\/\/ Python function must returns<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"cm\">\/* Define module \"_rust_ext\" *\/<\/span>\r\n<span class=\"nd\">py_module_initializer!<\/span><span class=\"p\">(<\/span><span class=\"mi\">_<\/span><span class=\"n\">rust_ext<\/span><span class=\"p\">,<\/span> <span class=\"n\">init_rust_ext<\/span><span class=\"p\">,<\/span> <span class=\"n\">PyInit__rust_ext<\/span><span class=\"p\">,<\/span> <span class=\"p\">|<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"n\">m<\/span><span class=\"p\">|<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">m<\/span><span class=\"nf\">.add<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"__doc__\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Rust extension for NumPy\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">m<\/span><span class=\"nf\">.add<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"axpy\"<\/span><span class=\"p\">,<\/span> <span class=\"nd\">py_fn!<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"nf\">axpy_py<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">)))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"n\">m<\/span><span class=\"nf\">.add<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"mult\"<\/span><span class=\"p\">,<\/span> <span class=\"nd\">py_fn!<\/span><span class=\"p\">(<\/span><span class=\"n\">py<\/span><span class=\"p\">,<\/span> <span class=\"nf\">mult_py<\/span><span class=\"p\">(<\/span><span class=\"n\">a<\/span><span class=\"p\">:<\/span> <span class=\"nb\">f64<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"n\">PyArray<\/span><span class=\"p\">)))<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">});<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>setuptools-rust<\/h2>\n<ul class=\"post-ul\">rust-cpython\u306b\u3088\u308b\u62e1\u5f35\u3092setuptools\u3067\u6271\u3046\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea<\/ul>\n<pre class=\"post-pre\"><code>setup.py\r\nextensions\/Cargo.toml\r\n           src\/lib.rs\r\nrust_ext\/__init__.py\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">setuptools<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">setup<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">setuptools_rust<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">RustExtension<\/span>\r\n\r\n<span class=\"n\">setup<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'rust_ext'<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"n\">version<\/span><span class=\"o\">=<\/span><span class=\"s\">'1.0'<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"n\">rust_extensions<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span>\r\n          <span class=\"n\">RustExtension<\/span><span class=\"p\">(<\/span><span class=\"s\">'rust_ext._rust_ext'<\/span><span class=\"p\">,<\/span> <span class=\"s\">'extensions\/Cargo.toml'<\/span><span class=\"p\">)],<\/span>\r\n      <span class=\"n\">packages<\/span><span class=\"o\">=<\/span><span class=\"p\">[<\/span><span class=\"s\">'rust_ext'<\/span><span class=\"p\">],<\/span>\r\n      <span class=\"n\">zip_safe<\/span><span class=\"o\">=<\/span><span class=\"bp\">False<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"nn\">._rust_ext<\/span> <span class=\"kn\">import<\/span> <span class=\"o\">*<\/span>\r\n<\/code><\/pre>\n<hr \/>\n<h2>rust-numpy\u306e\u547c\u3073\u51fa\u3057<\/h2>\n<pre class=\"post-pre\"><code>python setup.py <span class=\"nb\">install<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">rust_ext<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">numpy<\/span> <span class=\"k\">as<\/span> <span class=\"n\">np<\/span>\r\n\r\n<span class=\"n\">x<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">array<\/span><span class=\"p\">([<\/span><span class=\"mf\">1.0<\/span><span class=\"p\">,<\/span> <span class=\"mf\">2.0<\/span><span class=\"p\">])<\/span>\r\n<span class=\"n\">y<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">array<\/span><span class=\"p\">([<\/span><span class=\"mf\">2.0<\/span><span class=\"p\">,<\/span> <span class=\"mf\">3.0<\/span><span class=\"p\">])<\/span>\r\n<span class=\"n\">rust_ext<\/span><span class=\"p\">.<\/span><span class=\"n\">axpy<\/span><span class=\"p\">(<\/span><span class=\"mi\">3<\/span><span class=\"p\">,<\/span> <span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">y<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>(*&#8217;\u25bd&#8217;)\u52d5\u3044\u305f\uff01<\/p>\n<hr \/>\n<h2>\u6700\u5f8c\u306b\uff1aRust\u304c\u8f9b\u3044\u3068\u304d\u306f<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">rust-jp.slack.com<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">ja.stackoverflow.com\/questions\/tagged\/rust<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u795e\u6238Rust\u306e\u4f1a<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Python\u306e\u5229\u70b9 \u5bfe\u8a71\u7684\u306b\u30c7\u30fc\u30bf\u306e\u52a0\u5de5\u3001\u89e3\u6790\u3001\u53ef\u8996\u5316 on Jupyter &nbsp; \u30b0\u30eb\u30fc\u8a00\u8a9e\u7684\u7528\u6cd5  [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-44991","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Python\u306e\u5229\u70b9 \u5bfe\u8a71\u7684\u306b\u30c7\u30fc\u30bf\u306e\u52a0\u5de5\u3001\u89e3\u6790\u3001\u53ef\u8996\u5316 on Jupyter &nbsp; \u30b0\u30eb\u30fc\u8a00\u8a9e\u7684\u7528\u6cd5 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-02T22:37:47+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-04T06:54:42+00:00\" \/>\n<meta name=\"author\" content=\"\u6587, \u7fd4\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6587, \u7fd4\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-11-02T22:37:47+00:00\",\"dateModified\":\"2024-05-04T06:54:42+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/64d5cc7727fffbff2f9a2a8da1de3e5c\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/44991-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon 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