{"id":14853,"date":"2024-12-06T19:43:26","date_gmt":"2024-12-06T11:43:26","guid":{"rendered":"https:\/\/www.aisharenet.com\/?p=14853"},"modified":"2024-12-06T19:44:11","modified_gmt":"2024-12-06T11:44:11","slug":"gencast","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/ja\/gencast\/","title":{"rendered":"GraphCast\uff1a\u57fa\u4e8e\u6269\u6563\u6a21\u578b\u7684\u5b66\u4e60\u5e76\u9884\u6d4b\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u9ad8\u6548\u5de5\u5177"},"content":{"rendered":"<p>GraphCast\u662f\u7531Google DeepMind\u5f00\u53d1\u7684\u4e00\u4e2a\u5148\u8fdb\u7684\u5929\u6c14\u9884\u62a5\u5de5\u5177\uff0c\u65e8\u5728\u901a\u8fc7\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u63d0\u5347\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u51c6\u786e\u6027\u3002\u8be5\u9879\u76ee\u63d0\u4f9b\u4e86\u591a\u79cd\u9884\u8bad\u7ec3\u6a21\u578b\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u6237\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u8d44\u6e90\u8fdb\u884c\u5929\u6c14\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u8fd0\u884c\u3002GraphCast\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u5206\u8fa8\u7387\u548c\u591a\u5c42\u6b21\u6c14\u8c61\u6570\u636e\u7684\u7814\u7a76\u548c\u5e94\u7528\uff0c\u80fd\u591f\u5904\u7406\u4ece1979\u5e74\u52302017\u5e74\u7684ERA5\u6570\u636e\uff0c\u5e76\u652f\u6301\u5728Google Cloud\u4e0a\u8fdb\u884c\u6a21\u578b\u8bad\u7ec3\u548c\u9884\u6d4b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-14854\" title=\"GraphCast\uff1a\u57fa\u4e8e\u6269\u6563\u6a21\u578b\u7684\u5b66\u4e60\u5e76\u9884\u6d4b\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u9ad8\u6548\u5de5\u5177-1\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2024\/12\/65f533f1814b6da.jpg\" alt=\"GraphCast\uff1a\u57fa\u4e8e\u6269\u6563\u6a21\u578b\u7684\u5b66\u4e60\u5e76\u9884\u6d4b\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u9ad8\u6548\u5de5\u5177-1\" width=\"510\" height=\"284\" srcset=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2024\/12\/65f533f1814b6da.jpg 510w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2024\/12\/65f533f1814b6da-300x167.jpg 300w, https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2024\/12\/65f533f1814b6da-18x10.jpg 18w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u529f\u80fd\u5217\u8868<\/h2>\n<ul>\n<li><strong>\u9884\u8bad\u7ec3\u6a21\u578b<\/strong>\uff1a\u63d0\u4f9b\u9ad8\u5206\u8fa8\u7387\u548c\u4f4e\u5206\u8fa8\u7387\u7684\u9884\u8bad\u7ec3\u6a21\u578b\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u8ba1\u7b97\u8d44\u6e90\u548c\u9700\u6c42\u3002<\/li>\n<li><strong>\u793a\u4f8b\u4ee3\u7801<\/strong>\uff1a\u5305\u542b\u8be6\u7ec6\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u4e0a\u624b\u8fdb\u884c\u6a21\u578b\u8bad\u7ec3\u548c\u9884\u6d4b\u3002<\/li>\n<li><strong>\u6570\u636e\u5904\u7406\u5de5\u5177<\/strong>\uff1a\u63d0\u4f9b\u6570\u636e\u9884\u5904\u7406\u3001\u6807\u51c6\u5316\u548c\u8f6c\u6362\u5de5\u5177\uff0c\u652f\u6301\u591a\u79cd\u6c14\u8c61\u6570\u636e\u683c\u5f0f\u3002<\/li>\n<li><strong>\u6a21\u578b\u8bad\u7ec3<\/strong>\uff1a\u652f\u6301\u5728Google Cloud\u4e0a\u8fdb\u884c\u5927\u89c4\u6a21\u6a21\u578b\u8bad\u7ec3\uff0c\u63d0\u4f9b\u8be6\u7ec6\u7684\u4e91\u7aef\u8bbe\u7f6e\u6307\u5357\u3002<\/li>\n<li><strong>\u9884\u6d4b\u529f\u80fd<\/strong>\uff1a\u80fd\u591f\u751f\u6210\u4e2d\u671f\u5929\u6c14\u9884\u62a5\uff0c\u652f\u6301\u591a\u79cd\u9884\u6d4b\u6a21\u5f0f\u548c\u53c2\u6570\u8c03\u6574\u3002<\/li>\n<li><strong>\u6a21\u578b\u8bc4\u4f30<\/strong>\uff1a\u63d0\u4f9b\u6a21\u578b\u8bc4\u4f30\u5de5\u5177\uff0c\u5e2e\u52a9\u7528\u6237\u5206\u6790\u9884\u6d4b\u7ed3\u679c\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u4f7f\u7528\u5e2e\u52a9<\/h2>\n<h3>\u5b89\u88c5\u548c\u8bbe\u7f6e<\/h3>\n<ol>\n<li><strong>\u73af\u5883\u51c6\u5907<\/strong>\uff1a\u786e\u4fdd\u5df2\u5b89\u88c5Python 3.7\u6216\u4ee5\u4e0a\u7248\u672c\uff0c\u5e76\u5b89\u88c5\u5fc5\u8981\u7684\u4f9d\u8d56\u5e93\uff0c\u5982JAX\u3001xarray\u7b49\u3002<\/li>\n<li><strong>\u514b\u9686\u9879\u76ee<\/strong>\uff1a\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u514b\u9686GraphCast\u9879\u76ee\uff1a<\/li>\n<\/ol>\n<pre><code>   git clone https:\/\/github.com\/google-deepmind\/graphcast.git\r\ncd graphcast\r\n<\/code><\/pre>\n<ol start=\"3\">\n<li><strong>\u5b89\u88c5\u4f9d\u8d56<\/strong>\uff1a\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u9879\u76ee\u4f9d\u8d56\uff1a<\/li>\n<\/ol>\n<pre><code>   pip install -r requirements.txt\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528\u793a\u4f8b<\/h3>\n<ol>\n<li><strong>\u52a0\u8f7d\u6570\u636e<\/strong>\uff1a\u6253\u5f00<code>graphcast_demo.ipynb<\/code>\uff0c\u6309\u7167\u793a\u4f8b\u4ee3\u7801\u52a0\u8f7dERA5\u6570\u636e\u3002<\/li>\n<li><strong>\u751f\u6210\u9884\u6d4b<\/strong>\uff1a\u4f7f\u7528\u9884\u8bad\u7ec3\u6a21\u578b\u751f\u6210\u5929\u6c14\u9884\u6d4b\uff0c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n<pre><code>   from graphcast import GraphCast\r\nmodel = GraphCast.load_pretrained('graphcast_operational')\r\npredictions = model.predict(input_data)\r\n<\/code><\/pre>\n<ol start=\"3\">\n<li><strong>\u8bc4\u4f30\u6a21\u578b<\/strong>\uff1a\u4f7f\u7528\u63d0\u4f9b\u7684\u8bc4\u4f30\u5de5\u5177\u5206\u6790\u9884\u6d4b\u7ed3\u679c\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/li>\n<\/ol>\n<pre><code>   from graphcast import evaluate\r\nresults = evaluate(predictions, true_data)\r\nprint(results)\r\n<\/code><\/pre>\n<h3>\u8be6\u7ec6\u529f\u80fd\u64cd\u4f5c<\/h3>\n<ul>\n<li><strong>\u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u4f7f\u7528<code>data_utils.py<\/code>\u8fdb\u884c\u6570\u636e\u9884\u5904\u7406\uff0c\u5305\u62ec\u6807\u51c6\u5316\u548c\u8f6c\u6362\u3002<\/li>\n<li><strong>\u6a21\u578b\u8bad\u7ec3<\/strong>\uff1a\u5728Google Cloud\u4e0a\u8bbe\u7f6eTPU VM\uff0c\u8fd0\u884c<code>gencast_demo_cloud_vm.ipynb<\/code>\u8fdb\u884c\u5927\u89c4\u6a21\u6a21\u578b\u8bad\u7ec3\u3002<\/li>\n<li><strong>\u9884\u6d4b\u751f\u6210<\/strong>\uff1a\u4f7f\u7528<code>graphcast.py<\/code>\u4e2d\u7684\u65b9\u6cd5\u751f\u6210\u4e2d\u671f\u5929\u6c14\u9884\u62a5\uff0c\u652f\u6301\u591a\u79cd\u53c2\u6570\u8c03\u6574\u548c\u6a21\u5f0f\u9009\u62e9\u3002<\/li>\n<li><strong>\u6a21\u578b\u8bc4\u4f30<\/strong>\uff1a\u4f7f\u7528<code>losses.py<\/code>\u548c<code>evaluate.py<\/code>\u8fdb\u884c\u6a21\u578b\u8bc4\u4f30\uff0c\u5206\u6790\u9884\u6d4b\u7ed3\u679c\u7684\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u7528\u6237\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u4f7f\u7528GraphCast\u8fdb\u884c\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u7814\u7a76\u548c\u5e94\u7528\u3002\u8be6\u7ec6\u7684\u793a\u4f8b\u4ee3\u7801\u548c\u9884\u8bad\u7ec3\u6a21\u578b\u4f7f\u5f97\u8be5\u5de5\u5177\u5728\u6c14\u8c61\u7814\u7a76\u9886\u57df\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u524d\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GraphCast\u662f\u7531Google DeepMind\u5f00\u53d1\u7684\u4e00\u4e2a\u5148\u8fdb\u7684\u5929\u6c14\u9884\u62a5\u5de5\u5177\uff0c\u65e8\u5728\u901a\u8fc7\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\u63d0\u5347\u4e2d\u671f\u5168\u7403\u5929\u6c14\u9884\u62a5\u7684\u51c6\u786e\u6027\u3002\u8be5\u9879\u76ee\u63d0\u4f9b\u4e86\u591a\u79cd\u9884\u8bad\u7ec3\u6a21\u578b\u548c\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u6237\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u8d44\u6e90\u8fdb\u884c\u5929\u6c14\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u8fd0\u884c\u3002GraphCast\u7279\u522b\u9002&#8230;<\/p>\n","protected":false},"author":1,"featured_media":61369,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[230],"class_list":["post-14853","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tool","tag-aikaiyuanxiangmu"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/posts\/14853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/comments?post=14853"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/posts\/14853\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/media\/61369"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/media?parent=14853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/categories?post=14853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/ja\/wp-json\/wp\/v2\/tags?post=14853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}