{"id":424,"date":"2025-03-11T10:35:31","date_gmt":"2025-03-11T02:35:31","guid":{"rendered":"https:\/\/www.bertzzz-horizon.xyz\/?p=424"},"modified":"2025-03-17T19:07:59","modified_gmt":"2025-03-17T11:07:59","slug":"%e7%94%a8%e5%8d%b7%e7%a7%af%e4%bc%98%e5%8c%96%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.bertzzz-horizon.xyz\/?p=424","title":{"rendered":"\u7528\u5377\u79ef\u4f18\u5316\u6a21\u578b"},"content":{"rendered":"\n

<\/p>\n\n\n\n

\u5bf9\u4e8e\u6211\u4eec\u7684\u5168\u65b0\u7f51\u7edc<\/p>\n\n\n\n

class Net(nn.Module):\n    def __init__(self):\n        super().__init__()\n        self.conv1 = nn.Conv2d(3, 16, kernel_size=(3, 3), padding=(1, 1))\n        self.act1 = nn.ReLU()\n        self.pool1 = nn.MaxPool2d(kernel_size=(2, 2))\n        self.conv2 = nn.Conv2d(16, 8, kernel_size=(3, 3), padding=(1, 1))\n        self.act2 = nn.ReLU()\n        self.pool2 = nn.MaxPool2d(kernel_size=(2, 2))\n        self.fc1 = nn.Linear(8 * 8 * 8, 32)\n        self.act3 = nn.ReLU()\n        self.fc2 = nn.Linear(32, 2)\n\n    def forward(self, x):\n        out = self.pool1(self.act1(self.conv1(x)))\n        out = self.pool2(self.act2(self.conv2(out)))\n        out = out.view(-1, 8 * 8 * 8)\n        out = self.act3(self.fc1(out))\n        out = self.fc2(out)\n        return out\n<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u7528<\/p>\n\n\n\n
numel_model = [p.numel() for p in model.parameters()]\nprint(sum(numel_model), numel_model)<\/code><\/pre>\n\n\n\n
\u6765\u67e5\u770b\u8fd9\u4e2a\u6a21\u578b\u7684\u53c2\u6570:<\/p>\n\n\n\n
output<\/em><\/strong>
18090 [432, 16, 1152, 8, 16384, 32, 64, 2]<\/p>\n\n\n\n
\u90a3\u4e48\uff0c\u6211\u4eec\u4e0a\u4e00\u7bc7\u6587\u7ae0\u4e2d\u7684\u6a21\u578b\u53c2\u6570\u662f\u591a\u5c11\u5462\uff1f\u6211\u4eec\u7528\u540c\u6837\u7684\u65b9\u6cd5\u67e5\u770b:<\/p>\n\n\n\n
output<\/em><\/strong>
1574402 [1572864, 512, 1024, 2]<\/p>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u4e4b\u524d\u7684\u5168\u8fde\u63a5\u6a21\u578b\u6709150\u591a\u4e07\u4e2a\u53c2\u6570…<\/p>\n\n\n\n
\u4ece\u5377\u79ef\u516c\u5f0f\u6765\u770b\uff0c<\/p>\n\n\n\n
   <\/span>   <\/span>\"\[\int_{-\infty}^{\infty} f(\tau) g(x - \tau) \, d\tau\]\"<\/p><\/p>\n\n\n\n
\u7528\u5377\u79ef\u6838\u5bf9\u6211\u4eec\u7684\u8f93\u5165\u8fdb\u884c\u53d8\u6362: <\/p>\n\n\n\n
   <\/span>   <\/span>\"\[\sum_{i=-m}^{m} \, \sum_{j=-n}^{n} \, \text{I}(x+i,y+j) \, \cdot \, \text{K}(i,j)\]\"<\/p><\/p>\n\n\n\n
\u5f53\u6211\u4eec\u6709\"k\,\times\,k\"\u5377\u79ef\u6838\uff0c\u5377\u79ef\u5c42\u53c2\u6570\u5219\u4e3a<\/p>\n\n\n\n
   <\/span>   <\/span>\"\[(k\,\times\,k\,\times\,Channel_{in}\,+\,bias)\,\times\,Channel_{out}\]\"<\/p><\/p>\n\n\n\n
\u76f8\u6bd4\u5168\u8fde\u63a5\u7684<\/p>\n\n\n\n
   <\/span>   <\/span>\"\[dimension_{in}\,\times\,dimension_{out}\,+\,bias\]\"<\/p><\/p>\n\n\n\n
\u51cf\u5c11\u4e86\u6781\u5927\u91cf\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n
\u52a0\u4e4b\u6700\u5927\u6c60\u5316\u7528\u4ee5\u964d\u4f4e\u7279\u5f81\u56fe\u5c3a\u5bf8\u51cf\u5c11\u8ba1\u7b97\uff0c\u4ee5\u53ca\u5377\u79ef\u53ef\u4ee5\u53bb\u9664\u5197\u4f59\u4fe1\u606f\uff0c\u589e\u5f3a\u6cdb\u5316\u80fd\u529b\uff0c\u81ea\u7136\u8981\u4f18\u4e8e\u7b80\u5355\u7684\u5168\u8fde\u63a5\u7f51\u7edc\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5bf9\u4e8e\u6211\u4eec\u7684\u5168\u65b0\u7f51\u7edc \u6211\u4eec\u7528 \u6765\u67e5\u770b\u8fd9\u4e2a\u6a21\u578b\u7684\u53c2\u6570: output18090 [432, 16, 1152, 8 […]<\/p>\n","protected":false},"author":1,"featured_media":445,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[9,11],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.bertzzz-horizon.xyz\/wordpress\/wp-content\/uploads\/2025\/03\/9lddQ5-eignK1hT3cSsg-g0.jpg","_links":{"self":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/424"}],"collection":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=424"}],"version-history":[{"count":14,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions"}],"predecessor-version":[{"id":446,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/posts\/424\/revisions\/446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=\/wp\/v2\/media\/445"}],"wp:attachment":[{"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bertzzz-horizon.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}