{"id":984720,"date":"2024-12-27T07:30:44","date_gmt":"2024-12-26T23:30:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/984720.html"},"modified":"2024-12-27T07:30:47","modified_gmt":"2024-12-26T23:30:47","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%ae%89%e8%a3%85theano","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/984720.html","title":{"rendered":"Python\u4e2d\u5982\u4f55\u5b89\u88c5theano"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24212223\/91457501-976f-4d6e-a972-3d8048a09646.webp\" alt=\"Python\u4e2d\u5982\u4f55\u5b89\u88c5theano\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u5b89\u88c5Theano\u65f6\uff0c\u9996\u5148\u786e\u4fdd\u4f60\u7684\u5f00\u53d1\u73af\u5883\u7b26\u5408Theano\u7684\u4f9d\u8d56\u8981\u6c42\u3001\u4f7f\u7528pip\u8fdb\u884c\u5b89\u88c5\u3001\u5e76\u5728\u5b89\u88c5\u540e\u9a8c\u8bc1\u5176\u5b89\u88c5\u6210\u529f\u3002<\/strong>\u786e\u4fdd\u4f60\u7684Python\u7248\u672c\u7b26\u5408\u8981\u6c42\uff08\u901a\u5e38\u63a8\u8350\u4f7f\u7528Python 3.5\u52303.8\u4e4b\u95f4\u7684\u7248\u672c\uff09\uff0c\u56e0\u4e3aTheano\u5728\u67d0\u4e9b\u7248\u672c\u4e0a\u7684\u652f\u6301\u53ef\u80fd\u6709\u9650\u3002\u7136\u540e\uff0c\u901a\u8fc7pip\u5b89\u88c5Theano\uff0c\u5e76\u9a8c\u8bc1\u5b89\u88c5\u6210\u529f\uff0c\u8fd9\u662f\u786e\u4fddTheano\u53ef\u4ee5\u5728\u4f60\u7684\u9879\u76ee\u4e2d\u6b63\u5e38\u8fd0\u884c\u7684\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u68c0\u67e5\u548c\u51c6\u5907Python\u73af\u5883<\/p>\n<\/p>\n<p><p>\u5728\u5b89\u88c5Theano\u4e4b\u524d\uff0c\u9996\u5148\u8981\u786e\u4fdd\u4f60\u7684Python\u73af\u5883\u8bbe\u7f6e\u6b63\u786e\u3002Theano\u901a\u5e38\u5728Python 3.5\u52303.8\u7248\u672c\u4e4b\u95f4\u7684\u652f\u6301\u6700\u597d\uff0c\u56e0\u6b64\u4f60\u9700\u8981\u68c0\u67e5\u4f60\u7684Python\u7248\u672c\u662f\u5426\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u68c0\u67e5Python\u7248\u672c<\/strong><\/p>\n<\/p>\n<p><p>\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5\u4f60\u7684Python\u7248\u672c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">python --version<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5982\u679c\u4f60\u7684Python\u7248\u672c\u4e0d\u7b26\u5408\u8981\u6c42\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528<a href=\"https:\/\/github.com\/pyenv\/pyenv\">pyenv<\/a>\u6216<a href=\"https:\/\/www.anaconda.com\/products\/distribution\">Anaconda<\/a>\u6765\u7ba1\u7406\u4e0d\u540c\u7248\u672c\u7684Python\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u521b\u5efa\u865a\u62df\u73af\u5883<\/strong><\/p>\n<\/p>\n<p><p>\u4e3a\u4e86\u907f\u514d\u4e0e\u5176\u4ed6Python\u9879\u76ee\u7684\u4f9d\u8d56\u51b2\u7a81\uff0c\u5efa\u8bae\u5728\u865a\u62df\u73af\u5883\u4e2d\u5b89\u88c5Theano\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528<code>venv<\/code>\u6a21\u5757\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u865a\u62df\u73af\u5883\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">python -m venv theano-env<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u6fc0\u6d3b\u865a\u62df\u73af\u5883\uff1a<\/p>\n<\/p>\n<ul>\n<li>\n<p>\u5728Windows\u4e0a\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">theano-env\\Scripts\\activate<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p>\u5728macOS\u548cLinux\u4e0a\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">source theano-env\/bin\/activate<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p><p>\u4e8c\u3001\u4f7f\u7528pip\u5b89\u88c5Theano<\/p>\n<\/p>\n<p><p>\u5728\u51c6\u5907\u597dPython\u73af\u5883\u540e\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5Theano\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5347\u7ea7pip<\/strong><\/p>\n<\/p>\n<p><p>\u786e\u4fdd\u4f60\u7684pip\u662f\u6700\u65b0\u7248\u672c\uff0c\u4ee5\u907f\u514d\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u95ee\u9898\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">python -m pip install --upgrade pip<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u88c5Theano<\/strong><\/p>\n<\/p>\n<p><p>\u4f7f\u7528pip\u6765\u5b89\u88c5Theano\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install Theano<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5b89\u88c5\u8fc7\u7a0b\u4e2d\uff0cpip\u4f1a\u81ea\u52a8\u5904\u7406Theano\u6240\u9700\u7684\u4f9d\u8d56\u9879\uff0c\u4f8b\u5982NumPy\u548cSciPy\u3002\u5982\u679c\u4f60\u8ba1\u5212\u5728GPU\u4e0a\u4f7f\u7528Theano\uff0c\u8fd8\u9700\u8981\u5b89\u88c5\u76f8\u5e94\u7684CUDA\u5de5\u5177\u5305\u548c\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e09\u3001\u9a8c\u8bc1Theano\u5b89\u88c5<\/p>\n<\/p>\n<p><p>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u9700\u8981\u9a8c\u8bc1Theano\u662f\u5426\u6b63\u786e\u5b89\u88c5\u5e76\u80fd\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u6d4b\u8bd5\u5bfc\u5165Theano<\/strong><\/p>\n<\/p>\n<p><p>\u6253\u5f00Python\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\uff0c\u5c1d\u8bd5\u5bfc\u5165Theano\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import theano<\/p>\n<p>print(theano.__version__)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5982\u679c\u6ca1\u6709\u9519\u8bef\u4fe1\u606f\uff0c\u4e14\u80fd\u8f93\u51faTheano\u7684\u7248\u672c\u53f7\uff0c\u8bf4\u660e\u5b89\u88c5\u6210\u529f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8fd0\u884c\u793a\u4f8b\u7a0b\u5e8f<\/strong><\/p>\n<\/p>\n<p><p>\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Theano\u7a0b\u5e8f\u6765\u6d4b\u8bd5\u5176\u529f\u80fd\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import theano<\/p>\n<p>import theano.tensor as T<\/p>\n<h2><strong>\u5b9a\u4e49\u53d8\u91cf<\/strong><\/h2>\n<p>x = T.dscalar(&#39;x&#39;)<\/p>\n<p>y = T.dscalar(&#39;y&#39;)<\/p>\n<h2><strong>\u5b9a\u4e49\u8868\u8fbe\u5f0f<\/strong><\/h2>\n<p>z = x + y<\/p>\n<h2><strong>\u7f16\u8bd1\u51fd\u6570<\/strong><\/h2>\n<p>f = theano.function([x, y], z)<\/p>\n<h2><strong>\u6d4b\u8bd5\u51fd\u6570<\/strong><\/h2>\n<p>result = f(2, 3)<\/p>\n<p>print(&quot;Result:&quot;, result)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5982\u679c\u7a0b\u5e8f\u8fd0\u884c\u5e76\u8f93\u51fa\u6b63\u786e\u7684\u7ed3\u679c\uff08\u4f8b\u5982<code>Result: 5.0<\/code>\uff09\uff0c\u5219\u8bf4\u660eTheano\u53ef\u4ee5\u6b63\u5e38\u4f7f\u7528\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u56db\u3001\u914d\u7f6eTheano<\/p>\n<\/p>\n<p><p>Theano\u63d0\u4f9b\u4e86\u591a\u79cd\u914d\u7f6e\u9009\u9879\uff0c\u53ef\u4ee5\u901a\u8fc7<code>.theanorc<\/code>\u6587\u4ef6\u8fdb\u884c\u914d\u7f6e\uff0c\u4ee5\u4f18\u5316\u6027\u80fd\u6216\u8c03\u6574\u884c\u4e3a\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u521b\u5efa\u914d\u7f6e\u6587\u4ef6<\/strong><\/p>\n<\/p>\n<p><p>\u5728\u7528\u6237\u4e3b\u76ee\u5f55\u4e0b\u521b\u5efa<code>.theanorc<\/code>\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u5982\u4e0b\u5185\u5bb9\u4ee5\u4f7f\u7528GPU\uff08\u5047\u8bbe\u5df2\u5b89\u88c5CUDA\uff09\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-ini\">[global]<\/p>\n<p>device = cuda<\/p>\n<p>floatX = float32<\/p>\n<p>[nvcc]<\/p>\n<p>fastmath = True<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8c03\u6574\u914d\u7f6e<\/strong><\/p>\n<\/p>\n<p><p>\u6839\u636e\u4f60\u7684\u786c\u4ef6\u548c\u9700\u6c42\uff0c\u8c03\u6574\u914d\u7f6e\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4fee\u6539<code>device<\/code>\u4e3a<code>cpu<\/code>\u4ee5\u5728CPU\u4e0a\u8fd0\u884cTheano\uff0c\u6216\u8bbe\u7f6e\u5176\u4ed6\u4f18\u5316\u9009\u9879\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u89e3\u51b3\u5e38\u89c1\u95ee\u9898<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528Theano\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u4f8b\u5982\u4f9d\u8d56\u51b2\u7a81\u6216\u6027\u80fd\u95ee\u9898\u3002<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u4f9d\u8d56\u95ee\u9898<\/strong><\/p>\n<\/p>\n<p><p>\u786e\u4fdd\u6240\u6709\u4f9d\u8d56\u9879\uff08\u5982NumPy\u3001SciPy\uff09\u90fd\u662f\u6700\u65b0\u7248\u672c\u3002\u53ef\u4ee5\u4f7f\u7528pip\u8fdb\u884c\u5347\u7ea7\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install --upgrade numpy scipy<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6027\u80fd\u95ee\u9898<\/strong><\/p>\n<\/p>\n<p><p>\u5982\u679cTheano\u5728GPU\u4e0a\u8fd0\u884c\u7f13\u6162\uff0c\u68c0\u67e5CUDA\u548c\u9a71\u52a8\u7a0b\u5e8f\u7248\u672c\u662f\u5426\u517c\u5bb9\uff0c\u5e76\u786e\u4fddTheano\u914d\u7f6e\u6b63\u786e\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u8c03\u8bd5\u4fe1\u606f<\/strong><\/p>\n<\/p>\n<p><p>\u542f\u7528Theano\u7684\u8c03\u8bd5\u4fe1\u606f\uff0c\u4ee5\u5e2e\u52a9\u8bc6\u522b\u95ee\u9898\u3002\u5728<code>.theanorc<\/code>\u4e2d\u6dfb\u52a0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-ini\">[global]<\/p>\n<p>optimizer_including = &#39;un<a href=\"https:\/\/docs.pingcode.com\/agile\/agile-at-scale\/what-is-safe\" target=\"_blank\">SAFe<\/a>&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u4f60\u5e94\u8be5\u80fd\u591f\u6210\u529f\u5b89\u88c5\u5e76\u914d\u7f6eTheano\u3002\u5982\u679c\u6709\u4efb\u4f55\u95ee\u9898\uff0c\u53ef\u4ee5\u53c2\u8003<a href=\"http:\/\/deeplearning.net\/software\/theano\/\">Theano\u7684\u5b98\u65b9\u6587\u6863<\/a>\u6216\u793e\u533a\u652f\u6301\u4ee5\u83b7\u53d6\u66f4\u591a\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>1. \u5982\u4f55\u68c0\u67e5\u6211\u7684Python\u73af\u5883\u662f\u5426\u517c\u5bb9Theano\uff1f<\/strong><br \/>\u8981\u786e\u4fddTheano\u80fd\u591f\u987a\u5229\u5b89\u88c5\u5e76\u8fd0\u884c\uff0c\u9996\u5148\u9700\u8981\u786e\u8ba4\u60a8\u7684Python\u7248\u672c\u4e0eTheano\u7684\u517c\u5bb9\u6027\u3002Theano\u652f\u6301Python 2.7\u548c3.5\u81f33.8\u7248\u672c\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5728\u7ec8\u7aef\u6216\u547d\u4ee4\u884c\u4e2d\u8f93\u5165<code>python --version<\/code>\u6765\u68c0\u67e5\u5f53\u524d\u7684Python\u7248\u672c\u3002\u5982\u679c\u60a8\u7684\u7248\u672c\u4e0d\u5728\u652f\u6301\u8303\u56f4\u5185\uff0c\u5efa\u8bae\u60a8\u8003\u8651\u66f4\u65b0\u6216\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u865a\u62df\u73af\u5883\u3002<\/p>\n<p><strong>2. Theano\u7684\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u9047\u5230\u54ea\u4e9b\u5e38\u89c1\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u5b89\u88c5Theano\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\uff0c\u5982\u4f9d\u8d56\u5e93\u672a\u5b89\u88c5\u3001\u7f16\u8bd1\u9519\u8bef\u7b49\u3002\u786e\u4fdd\u60a8\u5df2\u5b89\u88c5\u5fc5\u8981\u7684\u4f9d\u8d56\u9879\uff0c\u4f8b\u5982NumPy\u548cSciPy\u3002\u5bf9\u4e8eWindows\u7528\u6237\uff0c\u53ef\u80fd\u9700\u8981\u989d\u5916\u914d\u7f6eC++\u7f16\u8bd1\u5668\u3002\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b\u9519\u8bef\u4fe1\u606f\uff0c\u6216\u8005\u53c2\u8003Theano\u7684\u5b98\u65b9\u6587\u6863\u548c\u793e\u533a\u8bba\u575b\u6765\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<p><strong>3. \u5b89\u88c5Theano\u540e\uff0c\u5982\u4f55\u9a8c\u8bc1\u5176\u662f\u5426\u6b63\u786e\u5b89\u88c5\uff1f<\/strong><br \/>\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u7b80\u5355\u7684Theano\u4ee3\u7801\u6765\u9a8c\u8bc1\u5176\u662f\u5426\u6b63\u786e\u5b89\u88c5\u3002\u5728Python\u73af\u5883\u4e2d\u8f93\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">import theano\ntheano.test()\n<\/code><\/pre>\n<p>\u5982\u679c\u4e00\u5207\u6b63\u5e38\uff0c\u60a8\u5c06\u770b\u5230\u4e00\u7cfb\u5217\u6d4b\u8bd5\u7684\u8f93\u51fa\u7ed3\u679c\uff0c\u786e\u8ba4Theano\u5df2\u6210\u529f\u5b89\u88c5\u5e76\u6b63\u5e38\u5de5\u4f5c\u3002\u5982\u679c\u51fa\u73b0\u9519\u8bef\u4fe1\u606f\uff0c\u5efa\u8bae\u6839\u636e\u63d0\u793a\u8fdb\u884c\u6392\u67e5\u6216\u68c0\u67e5\u5b89\u88c5\u6b65\u9aa4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5b89\u88c5Theano\u65f6\uff0c\u9996\u5148\u786e\u4fdd\u4f60\u7684\u5f00\u53d1\u73af\u5883\u7b26\u5408Theano\u7684\u4f9d\u8d56\u8981\u6c42\u3001\u4f7f\u7528pip\u8fdb\u884c\u5b89\u88c5\u3001\u5e76\u5728\u5b89 [&hellip;]","protected":false},"author":3,"featured_media":984728,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/984720"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=984720"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/984720\/revisions"}],"predecessor-version":[{"id":984732,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/984720\/revisions\/984732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/984728"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=984720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=984720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=984720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}