{"id":45349,"date":"2023-07-04T12:58:38","date_gmt":"2023-07-13T01:46:36","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45349-2\/"},"modified":"2024-04-30T11:55:49","modified_gmt":"2024-04-30T03:55:49","slug":"45349-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45349-2\/","title":{"rendered":""},"content":{"rendered":"

Rust Advent Calendar 2017 6\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n

rust-autograd \u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308a\u307e\u3057\u305f\u3002https:\/\/github.com\/raskr\/rust-autograd<\/p>\n

\u3082\u3068\u3082\u3068\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u3064\u3082\u308a\u3060\u3063\u305f\u3093\u3067\u3059\u304c\u3001GPU\u306e\u77e5\u8b58\u304c\u306a\u3055\u3059\u304e\u3066\u7121\u7406\u3060\u3068\u6c17\u3065\u304d\u3001\u4e00\u822c\u7684\u306a\u540d\u524d\u306b\u3057\u307e\u3057\u305f\u3002\u4e00\u5fdc\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(\u517c\u30c6\u30b9\u30c8)\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u884c\u5217\u7a4d\u306e\u8a08\u7b97\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u3059:<\/p>\n

extern<\/span> crate<\/span> autograd<\/span> as<\/span> ag<\/span>;<\/span>\r\n\r\nlet<\/span> a<\/span>:<\/span> ag<\/span>::<\/span>Tensor<\/span> =<\/span> ag<\/span>::<\/span>zeros<\/span>(<\/span>&<\/span>[<\/span>4<\/span>,<\/span> 2<\/span>]);<\/span>\r\nlet<\/span> b<\/span>:<\/span> ag<\/span>::<\/span>Tensor<\/span> =<\/span> ag<\/span>::<\/span>zeros<\/span>(<\/span>&<\/span>[<\/span>2<\/span>,<\/span> 3<\/span>]);<\/span>\r\nlet<\/span> c<\/span>:<\/span> ag<\/span>::<\/span>Tensor<\/span> =<\/span> ag<\/span>::<\/span>matmul<\/span>(<\/span>&<\/span>a<\/span>,<\/span> &<\/span>b<\/span>);<\/span>\r\nprintln!<\/span>(<\/span>\"{}\"<\/span>,<\/span> c<\/span>.eval<\/span>(<\/span>&<\/span>[])<\/span>.unwrap<\/span>());<\/span>\r\n\/\/ [[0, 0, 0],<\/span>\r\n\/\/  [0, 0, 0],<\/span>\r\n\/\/  [0, 0, 0],<\/span>\r\n\/\/  [0, 0, 0]]<\/span>\r\n\r\n<\/code><\/pre>\n
\u3068\u308a\u3042\u3048\u305a\u4ee5\u4e0b\u306e\u3088\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059:<\/p>\n
    \n
  • \n
      \u591a\u6b21\u5143\u914d\u5217\u306e\u8a08\u7b97. \u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306f rust-ndarray<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          \u52fe\u914d\u306e\u8a08\u7b97. N\u968e\u5fae\u5206\u306b\u5bfe\u5fdc\u3057\u3066\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \u52fe\u914d\u964d\u4e0b\u6cd5\u3067\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u6700\u9069\u5316<\/ul>\n
            100% Rust \u306a\u306e\u3067\u8a08\u7b97\u30b0\u30e9\u30d5\u3092\u5b9f\u884c\u6642\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u305f\u308a\u306f\u3057\u306a\u3044\u305f\u3081, \u624b\u8efd\u306b\u52d5\u304b\u305b\u307e\u3059\u3002\u9006\u306b\u3067\u304d\u306a\u3044\u3053\u3068\u306f:<\/p>\n
              \n
            • \n
                GPU\u3067\u5b9f\u884c<\/ul>\n<\/li>\n<\/ul>\n
                 <\/p>\n
                  Convolution\u7cfb<\/ul>\n
                  \u3064\u307e\u308a\u975e\u5e38\u306b\u6b8b\u5ff5\u306a\u3053\u3068\u306b\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306f\u7d76\u671b\u7684\u3067\u3059\u304c\u3001\u7c21\u5358\u306a\u624b\u66f8\u304d\u6587\u5b57\u8a8d\u8b58\u304f\u3089\u3044\u306a\u3089\u3067\u304d\u307e\u3059\u3002RNN \u3082\u4e00\u5fdc\u52d5\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u7c21\u5358\u306a\u52fe\u914d\u8a08\u7b97\u306e\u4f8b\u3067\u3059\u3002API \u306e\u5b9f\u88c5\u306f\u5148\u4eba\u305f\u3061\u3092\u5927\u3044\u306b\u53c2\u8003\u306b\u3055\u305b\u3066\u3082\u3089\u3044\u307e\u3057\u305f\u3002(\u307b\u3093\u3068\u3046\u306b\u7533\u3057\u8a33\u3042\u308a\u307e\u305b\u3093)<\/p>\n
                  extern<\/span> crate<\/span> ndarray<\/span>;<\/span>\r\nextern<\/span> crate<\/span> autograd<\/span> as<\/span> ag<\/span>;<\/span>\r\n\r\n\/\/ z = 2x^2 + 3y + 1 \u306e\u504f\u5fae\u5206\u3092\u8a08\u7b97\u3059\u308b<\/span>\r\nlet<\/span> ref<\/span> x<\/span> =<\/span> ag<\/span>::<\/span>placeholder<\/span>(<\/span>&<\/span>[]);<\/span>\r\nlet<\/span> ref<\/span> y<\/span> =<\/span> ag<\/span>::<\/span>placeholder<\/span>(<\/span>&<\/span>[]);<\/span>\r\nlet<\/span> ref<\/span> z<\/span> =<\/span> 2<\/span>*<\/span>x<\/span>*<\/span>x<\/span> +<\/span> 3<\/span>*<\/span>y<\/span> +<\/span> 1<\/span>;<\/span>\r\n\r\n\/\/ dz\/dy<\/span>\r\nlet<\/span> ref<\/span> gy<\/span> =<\/span> ag<\/span>::<\/span>grad<\/span>(<\/span>&<\/span>[<\/span>z<\/span>],<\/span> &<\/span>[<\/span>y<\/span>])[<\/span>0<\/span>];<\/span>\r\n\r\n\/\/ dz\/dx<\/span>\r\nlet<\/span> ref<\/span> gx<\/span> =<\/span> ag<\/span>::<\/span>grad<\/span>(<\/span>&<\/span>[<\/span>z<\/span>],<\/span> &<\/span>[<\/span>x<\/span>])[<\/span>0<\/span>];<\/span>\r\n\r\n\/\/ ddz\/dx (differentiates `z` with `x` again)<\/span>\r\nlet<\/span> ref<\/span> ggx<\/span> =<\/span> ag<\/span>::<\/span>grad<\/span>(<\/span>&<\/span>[<\/span>gx<\/span>],<\/span> &<\/span>[<\/span>x<\/span>])[<\/span>0<\/span>];<\/span>\r\n\r\n\/\/ evaluation of symbolic gradients<\/span>\r\nprintln!<\/span>(<\/span>\"{:?}\"<\/span>,<\/span> gy<\/span>.eval<\/span>(<\/span>&<\/span>[]));<\/span>   \/\/ => Ok(3.)<\/span>\r\nprintln!<\/span>(<\/span>\"{:?}\"<\/span>,<\/span> ggx<\/span>.eval<\/span>(<\/span>&<\/span>[]));<\/span>  \/\/ => Ok(4.)<\/span>\r\n\/\/ dz\/dx requires to fill the placeholder `x`<\/span>\r\nprintln!<\/span>(<\/span>\"{:?}\"<\/span>,<\/span> gx<\/span>.eval<\/span>(<\/span>&<\/span>[(<\/span>x<\/span>,<\/span> ndarray<\/span>::<\/span>arr0<\/span>(<\/span>2<\/span>.))]));<\/span>   \/\/ => Ok(8.)<\/span>\r\n<\/code><\/pre>\n
                  \u4e0a\u8a18\u306f\u305f\u3060\u306e\u30b9\u30ab\u30e9\u30fc\u5024\u306e\u56db\u5247\u6f14\u7b97\u306e\u4f8b\u3067\u3059\u304c\u3001”\u3053\u3053”\u306b\u5b9a\u7fa9\u3057\u3066\u3042\u308b\u547d\u4ee4\u306f\u3059\u3079\u3066(\u5fae\u5206\u53ef\u80fd\u306a\u3089)\u5fae\u5206\u3067\u304d\u307e\u3059\u3002 TF \u540c\u69d8\u8a08\u7b97\u30b0\u30e9\u30d5\u30d9\u30fc\u30b9\u306a\u306e\u3067N\u968e\u5fae\u5206\u306b\u5bfe\u5fdc\u3057\u3066\u307e\u3059\u3002 TF \u306b\u3042\u308b\u304c rust-ndarray \u306b\u306a\u3044\u95a2\u6570\u3082\u3044\u304f\u3064\u304b\u5b9f\u88c5\u3057\u3066\u307e\u3059 (e.g. transpose, gather, tensordot, argmax, …)<\/p>\n
                  rust-ndarray<\/h1>\n
                  \u5b9f\u969b\u306e\u6570\u5024\u8a08\u7b97\u306f rust-ndarray \u3068\u3044\u3046\u30af\u30ec\u30fc\u30c8\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f numpy \u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3068\u671f\u5f85\u3057\u307e\u3057\u305f\u304c\u3001\u5c11\u3057\u9055\u3044\u307e\u3059\u3002\u3068\u3044\u3046\u304b
                  \nRust \u3088\u304f\u308f\u304b\u3089\u306a\u3044\u72b6\u614b\u3067\u59cb\u3081\u305f\u306e\u3082\u3042\u3063\u3066\u304b\u306a\u308a\u9762\u98df\u3089\u3044\u307e\u3057\u305f\u3002\u7279\u5fb4\u3068\u3057\u3066\u306f:<\/p>\n
                    \n
                  • \n
                      Pure Rust \u306a\u306e\u3067\u7d50\u69cb\u901f\u3044(\u3068\u601d\u3046)<\/ul>\n<\/li>\n<\/ul>\n
                       <\/p>\n
                        \n
                      • \n
                          map, fold \u306a\u3069\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u7cfb\u306e\u9ad8\u968e\u95a2\u6570\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u3066\u3001\u62bd\u8c61\u7684\u306a API \u306b\u306a\u3063\u3066\u3044\u308b (Rust\u306e\u30a4\u30c6\u30ec\u30fc\u30bf+\u9ad8\u968e\u95a2\u6570\u306f\u3061\u3083\u3093\u3068\u4f7f\u3048\u3070\u6700\u9069\u5316\u3055\u308c\u308b\u306e\u3067\u901f\u3044\u3063\u307d\u3044)<\/ul>\n<\/li>\n<\/ul>\n
                           <\/p>\n
                            \n
                          • \n
                              \u4ed6\u306b\u3082 Zip \u3084 AxisIter, Read-only View \u306e\u3088\u3046\u306aRust\u3063\u307d\u3044\u9762\u767d\u3044 API \u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n
                               <\/p>\n
                                \n
                              • \n
                                  ndarray \u306e\u30e9\u30f3\u30af\u306f\u578b\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u9759\u7684\u306b\u6271\u3046 (C++ \u306e Eigen \u307f\u305f\u3044\u306a)<\/ul>\n<\/li>\n<\/ul>\n
                                   <\/p>\n
                                    \n
                                  • \n
                                      numpy \u3084 TF \u306b\u6163\u308c\u3066\u3044\u308b\u4eba\u304c\u5f53\u305f\u308a\u524d\u306b\u4f7f\u3046\u95a2\u6570\u304c\u306a\u3044\u3053\u3068\u304c\u7d50\u69cb\u3042\u308b.<\/ul>\n<\/li>\n<\/ul>\n
                                       <\/p>\n
                                        \u57fa\u672c\u7684\u306a\u4e8c\u9805\u6f14\u7b97\u3084\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u306a\u3069\u306f\u9055\u548c\u611f\u306a\u304f\u4f7f\u3048\u308b<\/ul>\n
                                        \u306a\u3069\u306a\u3069\u3067\u3059\u3002 numpy \u306a\u3093\u304b\u306b\u6bd4\u3079\u305f\u3089API\u306e\u5145\u5b9f\u5177\u5408\u306f\u6d41\u77f3\u306b\u30a2\u30ec\u3067\u3059\u304c, \u57fa\u672c\u6a5f\u80fd\u306f\u63c3\u3063\u3066\u308b\u3068\u601d\u3044\u307e\u3059\u3002 rust-ndarray \u4ee5\u5916\u306b\u306f rayon \u3068\u3044\u3046 OpenMP \u307f\u305f\u3044\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u4e26\u5217\u3082\u4e00\u90e8\u3057\u3066\u307e\u3059\u304c\u5916\u90e8\u4f9d\u5b58\u306f\u307b\u3068\u3093\u3069\u306a\u3044\u3067\u3059 (\u3068\u3044\u3046\u304b\u4f9d\u5b58\u306f Cargo \u304c\u52dd\u624b\u306b\u89e3\u6c7a\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3069\u3046\u3067\u3082\u3044\u3044)<\/p>\n
                                        autograd::op::Op \u3092\u5b9f\u88c5\u3059\u308b<\/h1>\n
                                        \u305d\u306e rust-ndarray \u3068 autograd \u3092\u4f7f\u3063\u3066\u52fe\u914d\u8a08\u7b97\u306b\u5bfe\u5fdc\u3057\u305f\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u4f8b\u306f\u4ee5\u4e0b\u3067\u3059:<\/p>\n
                                        extern<\/span> crate<\/span> ndarray<\/span>;<\/span>\r\nextern<\/span> crate<\/span> autograd<\/span> as<\/span> ag<\/span>;<\/span>\r\n\r\n\/\/ \u3081\u3093\u3069\u304f\u3055\u3044\u306e\u3067\u4eca\u306e\u3068\u3053\u308d f32 \u306b\u9650\u5b9a\u3057\u3066\u307e\u3059\u3002<\/span>\r\ntype<\/span> NdArray<\/span> =<\/span> ndarray<\/span>::<\/span>Array<\/span><<\/span>f32<\/span>,<\/span> ndarray<\/span>::<\/span>IxDyn<\/span>><\/span>\r\n\r\n\/\/ \u30b7\u30b0\u30e2\u30a4\u30c9\u95a2\u6570\u3092\u4f8b\u306b<\/span>\r\nstruct<\/span> Sigmoid<\/span>;<\/span>\r\n\r\n\/\/ Op \u30c8\u30ec\u30a4\u30c8\u3092\u5b9f\u88c5\u3059\u308b<\/span>\r\nimpl<\/span> ag<\/span>::<\/span>op<\/span>::<\/span>Op<\/span> for<\/span> Sigmoid<\/span> {<\/span>\r\n\r\n    fn<\/span> name<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> &<\/span>str<\/span>\r\n    {<\/span>\r\n        \"Sigmoid\"<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ \u5b9f\u969b\u306b\u3000Sigmoid \u95a2\u6570\u306e\u51fa\u529b\u3092\u8a08\u7b97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3002<\/span>\r\n    fn<\/span> compute<\/span>(<\/span>&<\/span>self<\/span>,<\/span> ctx<\/span>:<\/span> ag<\/span>::<\/span>runtime<\/span>::<\/span>OpComputeContext<\/span>)<\/span> \r\n        -><\/span> Vec<\/span><<\/span>Result<\/span><<\/span>NdArray<\/span>,<\/span> ag<\/span>::<\/span>op<\/span>::<\/span>ComputeError<\/span>>><\/span>\r\n    {<\/span>\r\n        let<\/span> xs<\/span> =<\/span> ctx<\/span>.grab_inputs<\/span>();<\/span>\r\n        let<\/span> x<\/span> =<\/span> xs<\/span>[<\/span>0<\/span>];<\/span>\r\n        \/\/ ndarray::Array::mapv \u3067 x \u306e\u5168\u8981\u7d20\u306e sigmoid \u3092\u8a08\u7b97\u3059\u308b\u3002<\/span>\r\n        \/\/ \u4eca\u306f\u3057\u3066\u307e\u305b\u3093\u304c rayon \u3092\u4f7f\u3048\u3070\u7c21\u5358\u306b\u4e26\u5217\u5316\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/span>\r\n        let<\/span> y<\/span> =<\/span> x<\/span>.mapv<\/span>(|<\/span>a<\/span>|<\/span> ((<\/span>a<\/span> *<\/span> 0.5<\/span>)<\/span>.tanh<\/span>()<\/span> *<\/span> 0.5<\/span>)<\/span> +<\/span> 0.5<\/span>);<\/span>\r\n        vec!<\/span>[<\/span>Ok<\/span>(<\/span>y<\/span>)]<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ \"gxs=\u6700\u7d42\u51fa\u529b\u306b\u5bfe\u3059\u308bxs\u306e\u52fe\u914d\" \u3092\u5b9a\u7fa9\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u3002<\/span>\r\n    \/\/ gy=y\u306e\u52fe\u914d, xs=\u5165\u529b, y=\u51fa\u529b \u304c\u305d\u308c\u305e\u308c `Tensor` \u3068\u3057\u3066\u6e21\u3063\u3066\u304f\u308b\u306e\u3067\u3001<\/span>\r\n    \/\/ \u305d\u308c\u3089\u3068\u5fae\u5206\u306e\u9023\u9396\u5f8b\u3092\u3046\u307e\u304f\u4f7f\u3063\u3066 gxs \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 xs \u304c\u52fe\u914d\u3092\u5fc5\u8981\u3068\u3057\u3066\u306a\u3044\u306a\u3089<\/span>\r\n    \/\/ None \u3092\u8fd4\u305b\u3070\u3044\u3044\u3067\u3059\u3002<\/span>\r\n    fn<\/span> grad<\/span>(<\/span>&<\/span>self<\/span>,<\/span> gy<\/span>:<\/span> &<\/span>ag<\/span>::<\/span>Tensor<\/span>,<\/span> xs<\/span>:<\/span> &<\/span>[<\/span>&<\/span>ag<\/span>::<\/span>Tensor<\/span>],<\/span> y<\/span>:<\/span> &<\/span>ag<\/span>::<\/span>Tensor<\/span>)<\/span>\r\n        -><\/span> Vec<\/span><<\/span>Option<\/span><<\/span>ag<\/span>::<\/span>Tensor<\/span>>><\/span>\r\n    {<\/span>\r\n        \/\/ sigmoid \u306e\u5c0e\u95a2\u6570\u306f sigmoid-sigmoid^2 \u3064\u307e\u308a y-y^2 \u3067\u3059\u3002<\/span>\r\n        \/\/ \u5fae\u5206\u306e\u9023\u9396\u5f8b\u3092\u9014\u5207\u308c\u3055\u305b\u305f\u304f\u306a\u3044\u306e\u3067\u305d\u308c\u3092 gy \u306b\u304b\u3051\u3066 return \u3057\u307e\u3059\u3002<\/span>\r\n        let<\/span> gx<\/span> =<\/span> gy<\/span> *<\/span> (<\/span>y<\/span> -<\/span> ag<\/span>::<\/span>square<\/span>(<\/span>y<\/span>));<\/span>\r\n        vec!<\/span>[<\/span>Some<\/span>(<\/span>gx<\/span>)]<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                        \u4ed6\u306eNN\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5b9f\u88c5\u3082\u3060\u3044\u305f\u3044\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u3063\u3066\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3068\u3066\u3082\u7c21\u5358\u306b\u65b0\u3057\u3044\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3057\u305f\u3002\u3042\u3068\u306f\u3053\u308c\u3092\u4f7f\u3046\u305f\u3081\u306e\u30d8\u30eb\u30d1\u30fc\u3092\u66f8\u3044\u3066\u7d42\u4e86\u3067\u3059:<\/p>\n
                                        fn<\/span> sigmoid<\/span>(<\/span>x<\/span>:<\/span> &<\/span>ag<\/span>::<\/span>Tensor<\/span>)<\/span> -><\/span> ag<\/span>::<\/span>Tensor<\/span>\r\n{<\/span>\r\n    ag<\/span>::<\/span>Tensor<\/span>::<\/span>builder<\/span>()<\/span>\r\n        .set_inputs<\/span>(<\/span>vec!<\/span>[<\/span>x<\/span>])<\/span>\r\n        .set_shape<\/span>(<\/span>x<\/span>.shape<\/span>())<\/span>\r\n        .build<\/span>(<\/span>Sigmoid<\/span>)<\/span>\r\n}<\/span>\r\n\r\nlet<\/span> a<\/span> =<\/span> ag<\/span>::<\/span>zeros<\/span>(<\/span>&<\/span>[<\/span>3<\/span>]);<\/span>\r\nlet<\/span> y<\/span> =<\/span> sigmoid<\/span>(<\/span>&<\/span>a<\/span>);<\/span>\r\ny<\/span>.eval<\/span>(<\/span>...<\/span>\r\n<\/code><\/pre>\n
                                        \u7e70\u308a\u8fd4\u3057\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30e1\u30b8\u30e3\u30fc\u306a\u95a2\u6570\u306f\u5b9f\u88c5\u3057\u3066\u3042\u308a\u307e\u3059\u3002(\u9811\u5f35\u308a\u307e\u3057\u305f…)<\/p>\n
                                        \u5b9f\u88c5\u4e0a\u3064\u3089\u304b\u3063\u305f\u3068\u3053\u308d<\/h1>\n
                                        \u5206\u304b\u3063\u3066\u306f\u3044\u307e\u3057\u305f\u304c\u3001\u8a08\u7b97\u30b0\u30e9\u30d5\u4e0a\u306e\u30ce\u30fc\u30c9\u306f\u57fa\u672c\u7684\u306b\u5171\u6709\u3055\u308c\u308b\u305f\u3081\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3068\u76f8\u6027\u304c\u60aa\u304f\u3001\u3068\u306f\u3044\u3048\u65b0\u3057\u3044\u30ce\u30fc\u30c9\u304c\u5185\u90e8\u3067\u30dd\u30b3\u30dd\u30b3\u751f\u6210\u3055\u308c\u308b\u306e\u3067\u53c2\u7167\u306e\u30e9\u30a4\u30d5\u30bf\u30a4\u30e0\u306e\u7ba1\u7406\u3082\u96e3\u3057\u304f\u3001\u7d50\u5c40\u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u306b\u30e1\u30e2\u30ea\u7ba1\u7406\u3092\u4efb\u305b\u3066\u307e\u3059\u3002 \u9006\u306b\u8a00\u3048\u3070\u53c2\u7167\u30ab\u30a6\u30f3\u30c8\u3092\u9069\u5f53\u306b\u4f7f\u3063\u3066\u308c\u3070\u4f55\u3082\u795e\u7d4c\u8cea\u306b\u306a\u3089\u305a\u306b\u66f8\u3051\u308b\u306e\u3067\u3059\u304c\u3001Rc::clone \u304c\u4e88\u60f3\u4ee5\u4e0a\u306b\u73fe\u308c\u305f\u306e\u3067\u5fae\u5999\u306a\u6c17\u6301\u3061\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u307e\u3042\u3053\u308c\u306f\u3057\u3087\u3046\u304c\u306a\u3044\u3002
                                        \n\u307e\u305f\u3001\u30b0\u30e9\u30d5\u306e\u30ce\u30fc\u30c9\/\u8a08\u7b97\u7d50\u679c\u3092\u4e00\u5143\u7ba1\u7406\u3057\u3066\u308b\u90fd\u5408\u4e0a, \u30ce\u30fc\u30c9\u306e\u51fa\u529b\u3067\u3042\u308b ndarray \u306e\u30e9\u30f3\u30af(Generic type) \u3082ndarray::IxDyn \u3068\u3044\u3046\u52d5\u7684\u306a\u3082\u306e\u306b\u7d71\u4e00\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3082\u4eca\u306e\u3068\u3053\u308d\u3069\u3046\u3057\u3088\u3046\u3082\u306a\u3044\u3067\u3059\u3002<\/p>\n
                                        \u307e\u3068\u3081<\/h1>\n
                                          \n
                                        • \n
                                            Rust\u521d\u5fc3\u8005\u304c rust-ndarray \u4e0a\u3067\u52d5\u304f\u81ea\u52d5\u5fae\u5206\u3092\u4f5c\u3063\u3066\u307f\u305f<\/ul>\n<\/li>\n<\/ul>\n
                                             <\/p>\n
                                              \n
                                            • \n
                                                MNIST \u304c\u305d\u3053\u305d\u3053\u306a\u901f\u5ea6\u3067\u52d5\u304f\u3053\u3068\u306f\u78ba\u8a8d\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n
                                                 <\/p>\n
                                                  \n
                                                • \n
                                                    rust-ndarray \u7d50\u69cb\u4f7f\u3048\u308b\u304b\u3082<\/ul>\n<\/li>\n<\/ul>\n
                                                     <\/p>\n
                                                      Rust \u3067\u30b0\u30e9\u30d5\u69cb\u9020\u3064\u3089\u3044<\/ul>\n
                                                      \u81ea\u5206\u3067\u3082\u4f7f\u3063\u3066\u306a\u3044\u306e\u3067\u3069\u308c\u304f\u3089\u3044\u4f7f\u3048\u308b\u306e\u304b\u77e5\u308a\u307e\u305b\u3093\u304c\u3001\u5c11\u306a\u304f\u3068\u3082 rust-ndarray \u306e\u65b9\u306f\u826f\u304f\u51fa\u6765\u3066\u308b\u3068\u601d\u3044\u307e\u3059\u3002 \u4ed6\u306b\u3082 cuDNN\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3084 cuda\u30ab\u30fc\u30cd\u30eb\u3092\u66f8\u3051\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3082\u3042\u308b\u307f\u305f\u3044\u3060\u3057\u3001\u610f\u5916\u3068 Rust \u3067\u6a5f\u68b0\u5b66\u7fd2\u3067\u304d\u305d\u3046\u306a\u6c17\u306f\u3057\u307e\u3059\u3002autograd \u3067\u306f\u8a08\u7b97\u30b0\u30e9\u30d5\u306e\u69cb\u7bc9\u3068\u8a55\u4fa1\u3001\u52fe\u914d\u8a08\u7b97\u306f\u57fa\u672c\u7684\u306b ndarray \u306b\u4f9d\u5b58\u3057\u306a\u3044\u4f5c\u308a\u306b\u3057\u3066\u3044\u308b\u306e\u3067\u9811\u5f35\u308c\u3070GPU\u3067\u3082\u52d5\u304b\u305b\u305d\u3046\u306a\u306e\u3067\u3059\u304c\u3001\u4eca\u306e\u3068\u3053\u308d\u77e5\u8b58\u3068\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u304c\u8db3\u308a\u3066\u306a\u3044\u3067\u3059… \u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                      Rust Advent Calendar 2017 6\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 rust-autograd \u3068\u3044\u3046\u30e9\u30a4 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45349","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- 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\/45349-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Rust Advent Calendar 2017 6\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 rust-autograd \u3068\u3044\u3046\u30e9\u30a4 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45349-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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