{"id":33895,"date":"2023-08-03T10:30:08","date_gmt":"2023-05-14T16:16:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%80%83%e8%99%91%e5%b0%86azure-openai%e5%92%8cazure-cognitive-search%e7%bb%93%e5%90%88%e4%bd%bf%e7%94%a8\/"},"modified":"2024-04-30T16:45:19","modified_gmt":"2024-04-30T08:45:19","slug":"%e8%80%83%e8%99%91%e5%b0%86azure-openai%e5%92%8cazure-cognitive-search%e7%bb%93%e5%90%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%80%83%e8%99%91%e5%b0%86azure-openai%e5%92%8cazure-cognitive-search%e7%bb%93%e5%90%88%e4%bd%bf%e7%94%a8\/","title":{"rendered":"\u8003\u8651\u5c06Azure OpenAI\u548cAzure Cognitive Search\u7ed3\u5408\u4f7f\u7528"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728\u5df7\u5b50\u91cc\uff0cOpenAI\u975e\u5e38\u53d7\u6b22\u8fce\u3002OpenAI\u5728Azure\u4e0a\u63d0\u4f9b\u7684Azure OpenAI Service\u662f\u4e00\u4e2a\u6258\u7ba1GPT-3\u6a21\u578b\u7684\u670d\u52a1\uff0c\u901a\u8fc7\u5176GA\u6b63\u5f0f\u63d0\u4f9b\u7ed9\u4f01\u4e1a\uff0c\u4f7f\u4ed6\u4eec\u80fd\u591f\u5728\u4f01\u4e1a\u5e94\u7528\u4e2d\u4f7f\u7528GPT-3\u6a21\u578b\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4f01\u4e1a\u53ef\u4ee5\u4eab\u53d7\u5230\u4e0eAzure Cognitive Services\u76f8\u4f3c\u7684\u5b89\u5168\u529f\u80fd\u3001\u670d\u52a1\u6c34\u5e73\u534f\u8bae(SLA)\u3001\u5408\u89c4\u6027\u548c\u8d1f\u8d23\u4efb\u7684\u4eba\u5de5\u667a\u80fd\u7b49\u4f18\u52bf\u3002<\/p>\n<p>\u6211\u60f3\u8bd5\u8bd5\u5c06\u6211\u559c\u6b22\u7684Azure Cognitive Search\u548cAzure OpenAI\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u770b\u770b\u80fd\u505a\u4e9b\u4ec0\u4e48\u3002<\/p>\n<h2>?5\/24\u7ec8\u4e8e\u5b9e\u73b0\u4e86\u5411\u91cf\u641c\u7d22\u529f\u80fd\uff01<\/h2>\n<p>&nbsp;<\/p>\n<h1>\u7ec4\u5408\u65b9\u6cd5<\/h1>\n<p>\u901a\u8fc7\u4f7f\u7528 Azure \u81ea\u5b9a\u4e49\u6280\u80fd\uff0c\u60a8\u53ef\u4ee5\u96c6\u6210 Azure OpenAI \u7684\u5404\u79cd\u529f\u80fd\uff0c\u4e3b\u8981\u4f7f\u7528 Azure \u8ba4\u77e5\u641c\u7d22\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1a7a37434c4406c0bdb4\/7-0.png\" alt=\"005.png\" \/><\/div>\n<p>\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u957f\u7bc7\u6587\u6863\u5206\u6210\u4e00\u6bb5\u4e00\u6bb5\u7684\u5757\uff0c\u8fdb\u884c\u6458\u8981\uff0c\u5e76\u5c06\u6458\u8981\u7ed3\u679c\u8f93\u51fa\u5230\u641c\u7d22\u7ed3\u679c\u4e2d\u3002\u901a\u8fc7\u63d0\u793a\u5de5\u7a0b\u5316\uff0c\u8fd8\u53ef\u4ee5\u4ee5\u5404\u79cd\u5f62\u5f0f\u8f93\u51fa\u6458\u8981\u3002\u53e6\u5916\uff0c\u8fd8\u6709\u5176\u4ed6\u7684\u65b9\u6cd5\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6587\u7ae0\u5206\u985e<\/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\">\u30ad\u30fc\u30d5\u30ec\u30fc\u30ba\u62bd\u51fa<\/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\">\u611f\u60c5\u5206\u6790<\/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\">\u56fa\u6709\u540d\u8a5e\u62bd\u51fa<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7ffb\u8a33<\/ul>\n<p>\u867d\u7136\u4e5f\u80fd\u5b8c\u6210\u4e00\u4e9b\u4efb\u52a1\uff0c\u4f46\u662f\u4e0e\u539f\u6709\u7684\u6587\u672c\u5206\u6790\u6280\u80fd\u51b2\u7a81\u4e86\u5462&#8230;\u8fd9\u4e00\u70b9\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u6570\u636e\u3001\u6240\u9700\u7cbe\u786e\u5ea6\u548c\u9884\u7b97\u6765\u8fdb\u884c\u9009\u62e9\u3002\u8bf7\u52a1\u5fc5\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<p>\u800c\u4e14\uff0c\u5229\u7528Azure OpenAI\u53ef\u4ee5\u81ea\u884c\u751f\u6210\u641c\u7d22\u6392\u540d\u3002\u4eca\u5929\u6211\u6253\u7b97\u4e3b\u8981\u8bb2\u8fd9\u4e2a\u65b9\u9762\u3002<\/p>\n<h1>\u5d4c\u5165\u5f0fAPI<\/h1>\n<p>\u5728Azure OpenAI\u4e2d\uff0c\u53ef\u4ee5\u8f7b\u677e\u751f\u6210\u6587\u672c\u5d4c\u5165\uff08Embeddings\uff09\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u5411\u91cf\uff0c\u53ef\u4ee5\u8ba1\u7b97\u6587\u672c\u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u3002\u76f8\u4f3c\u6027\u8ba1\u7b97\u4f7f\u7528\u4f59\u5f26\u76f8\u4f3c\u5ea6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u6b64\u6559\u7a0b\uff0c\u60a8\u53ef\u4ee5\u5728\u5b9e\u9a8c\u5ba4\u73af\u5883\u4e2d\u8fdb\u884c\u6587\u6863\u641c\u7d22\u3002<\/p>\n<h1>\u8bf7\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684\u53e5\u5b50\u6216\u4e0a\u4e0b\u6587\u6765\u5e2e\u52a9\u66f4\u597d\u5730\u7406\u89e3\u9700\u8981\u7ffb\u8bd1\u7684\u5185\u5bb9\u3002<\/h1>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u770bAzure Cognitive Search\u548c\u7531Azure OpenAI\u521b\u5efa\u7684\u6392\u884c\u699c\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d1a7a37434c4406c0bdb4\/18-0.png\" alt=\"001.png\" \/><\/div>\n<p>Azure Cognitive Search\u662f\u57fa\u4e8eApache Lucene\u5f00\u53d1\u7684\u5168\u6587\u641c\u7d22\u5f15\u64ce\uff0c\u5176\u8bc4\u5206\u4f7f\u7528\u4e86\u57fa\u4e8e\u9891\u7387\u7684BM25Similarity\u7684TF-IDF\u7c7b\u578b\u7684\u6392\u540d\u5668\u3002\u8981\u4f7f\u5176\u5339\u914d\uff0c\u641c\u7d22\u5173\u952e\u8bcd\u5fc5\u987b\u5305\u542b\u5728\u6587\u6863\u4e2d\u3002\u4f5c\u4e3a\u4e0b\u4e00\u4e2a\u6392\u540d\u5668\uff0cMicrosoft Research\u5f00\u53d1\u7684\u57fa\u4e8eTuring\u7684\u5927\u89c4\u6a21\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09&#8221;\u8bed\u4e49\u641c\u7d22\uff08\u9884\u89c8\u7248\uff09&#8221;\u5df2\u5b9e\u73b0\u4e3a\u4e00\u4e2a\u91cd\u65b0\u6392\u540d\u5668\u3002\u91cd\u65b0\u6392\u5e8f\u5668\u7684\u76ee\u7684\u662f\u4ec5\u5bf9\u5339\u914d\u7684\u5173\u952e\u8bcd\u7684\u524d50\u4e2a\u7ed3\u679c\u8fdb\u884c\u91cd\u65b0\u6392\u5e8f\u3002\u7531\u4e8e\u6b64\u7ed3\u6784\uff0c\u7528\u6237\u9700\u8981\u4f7f\u7528\u6587\u6863\u4e2d\u5305\u542b\u7684\u5173\u952e\u8bcd\u8fdb\u884c\u641c\u7d22\u3002\u65e0\u6cd5\u547d\u4e2d\u4e0e\u641c\u7d22\u5173\u952e\u8bcd\u4e0d\u76f8\u5173\u4f46\u63a5\u8fd1\u7528\u6237\u610f\u56fe\u7684\u8bcd\u6c47\u3002<\/p>\n<p>\u55ef\uff0c\u9019\u500b\u5be6\u73fe\u65b9\u5f0f\u5728\u4f7f\u7528\u95dc\u9375\u8a5e\u5339\u914d\u7684\u540c\u6642\uff0c\u5927\u91cf\u4f7f\u7528GPU\u9032\u884cLLM\u7684\u641c\u7d22\u8cc7\u6e90\u6e1b\u5c11\uff0c\u540c\u6642\u9032\u4e00\u6b65\u63d0\u9ad8\u73fe\u6709\u641c\u7d22\u7d50\u679c\u7684\u6e96\u78ba\u5ea6\uff0c\u9019\u7a2e\u7cbe\u5999\u7684\u5e73\u8861\u8b93\u6211\u6df1\u601d\u3002\u672a\u4f86\uff0c\u6211\u60f3\u5617\u8a66\u5c07\u95dc\u9375\u8a5e\u5339\u914d\u548c\u8a9e\u7fa9\u641c\u7d22\u7d50\u5408\u5f97\u66f4\u597d\u3002<\/p>\n<p>\u55ef\uff0c\u9019\u6b21\u6b63\u597d Azure OpenAI \u7684 Embeddings API \u53ef\u4ee5\u4f7f\u7528\uff0c\u6211\u6253\u7b97\u9996\u5148\u5728 Azure \u4e0a\u5617\u8a66\u4f7f\u7528 GPT-3 \u9032\u884c\u5411\u91cf\u6aa2\u7d22\u3002\u4f46\u662f\uff0c\u622a\u81f3 2023 \u5e74 02 \u6708\uff0cAzure Cognitive Search \u5c1a\u672a\u5be6\u73fe\u5411\u91cf\u6aa2\u7d22\u529f\u80fd? \u6211\u6700\u8fd1\u807d\u8aaa Apache Lucene \u5df2\u7d93\u5be6\u73fe\u4e86\u5411\u91cf\u7684\u8fd1\u4f3c\u6700\u8fd1\u9130\u641c\u7d22\uff08ANN Search\uff09\uff0c\u4f46\u5728 Azure Cognitive Search \u4e0a\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u53ef\u80fd\u9084\u9700\u8981\u66f4\u591a\u6642\u9593&#8230;<\/p>\n<p>\u5728Azure\u4e0a\u8fdb\u884c\u5411\u91cf\u641c\u7d22\u7684\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528Azure Cache for Redis\u3002\u5728Azure\u4e0a\u4f7f\u7528\u7684\u5b8c\u5168\u6258\u7ba1\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u975e\u5e38\u597d\uff01\u7136\u800c\uff0c\u8981\u8fdb\u884c\u5411\u91cf\u641c\u7d22\uff0c\u9700\u8981\u4f7f\u7528RediSearch\u6a21\u5757\uff0c\u8fd9\u4e2a\u6a21\u5757\u53ea\u80fd\u5728\u4f01\u4e1a\u8ba1\u5212\u4e2d\u4f7f\u7528\u3002\u4f01\u4e1a\u8ba1\u5212\u7684\u4ef7\u683c\u5f88\u9ad8\u3002\u5bf9\u4e8e\u4e2a\u4eba\u6765\u8bf4\uff0c\u53ef\u4ee5\u901a\u8fc7\u5efa\u7acbVM\u5e76\u6784\u5efaRedis Stack\u670d\u52a1\u5668\u6765\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<h1>\u6b65\u9aa4\uff08\u9996\u5148\u8fdb\u884c\u9a8c\u8bc1\uff09<\/h1>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u521b\u5efa Azure OpenAI \u5e10\u6237\uff08\u622a\u81f32023\/02\uff0c\u76ee\u524d\u91c7\u7528\u7533\u8bf7\u5236\uff09\uff0c\u4e5f\u53ef\u4ee5\u5728 OpenAI \u5b98\u65b9\u7f51\u7ad9\u4e0a\u7533\u8bf7\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u51c6\u5907 Python \u73af\u5883\uff0c\u5e76\u5b89\u88c5\u6240\u9700\u7684\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>\u65e0\u8bba\u662f\u5728\u672c\u5bb6\u7684 OpenAI \u8fd8\u662f Azure \u4e0a\uff0copenai \u5e93\u90fd\u662f\u901a\u7528\u7684\u3002<\/p>\n<p>transformers \u5e93\u7528\u4e8e\u8ba1\u7b97\u4ee4\u724c\u3002<br \/>\n\u53ea\u8981\u6309\u7167\u672c\u6559\u7a0b\u7684\u6b65\u9aa4\u8fdb\u884c\uff0c\u5373\u53ef\u751f\u6210\u5d4c\u5165\u3002<\/p>\n<p>\u521b\u5efa Azure Cache for Redis Enterprise\uff08\u52fe\u9009 RediSearch \u6a21\u5757\uff09\u3002<br \/>\n\u51c6\u5907\u8981\u641c\u7d22\u7684\u6570\u636e\u96c6\u5e76\u751f\u6210\u5d4c\u5165\u3002<br \/>\n\u6211\u4eec\u5c06\u4f7f\u7528\u4e4b\u524d\u5728\u63a8\u8350\u7cfb\u7edf\u7814\u8ba8\u4f1a\u4e0a\u4f7f\u7528\u7684 MovieLens \u6570\u636e\u96c6\uff084803 \u90e8\u7535\u5f71\uff09\u3002<br \/>\n\u6784\u5efa Redis \u7d22\u5f15\u3002<br \/>\n\u8fdb\u884c\u5411\u91cf\u641c\u7d22\u3002<\/p>\n<h2>\u51c6\u5907\u641c\u7d22\u6570\u636e\u96c6\u548c\u751f\u6210\u5d4c\u5165\u3002<\/h2>\n<p>\u6839\u636e\u8fd9\u4e2a\u6559\u7a0b\u7684\u53c2\u8003\uff0c\u6211\u5c06\u6570\u636e\u6846(Dataframe)\u7684\u5217\u8fdb\u884c\u5411\u91cf\u5316\uff0c\u672c\u6b21\u9009\u62e9\u5408\u5e76\u4e86\u6807\u9898(title)\u3001\u5173\u952e\u8bcd(keywords)\u3001\u7c7b\u578b(genres)\u548c\u6f14\u5458(cast)\u8fd9\u4e9b\u5217\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3acombined_features\u7684\u65b0\u5217\u3002<\/p>\n<p>\u5d4c\u5165\u64cd\u4f5c\u4f7f\u7528get_embedding\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">%%<\/span><span class=\"n\">time<\/span>\r\n<span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">davinci_search<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"sh\">\"<\/span><span class=\"s\">combined_features<\/span><span class=\"sh\">\"<\/span><span class=\"p\">].<\/span><span class=\"nf\">apply<\/span><span class=\"p\">(<\/span><span class=\"k\">lambda<\/span> <span class=\"n\">x<\/span> <span class=\"p\">:<\/span> <span class=\"nf\">get_embedding<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"p\">,<\/span> <span class=\"n\">engine<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">text-search-davinci-doc-001<\/span><span class=\"sh\">'<\/span><span class=\"p\">))<\/span>\r\n<\/code><\/pre>\n<p>CPU\u65f6\u95f4\uff1a\u7528\u623719\u79d2\uff0c\u7cfb\u7edf2.61\u79d2\uff0c\u603b\u517121.7\u79d2<br \/>\n\u5899\u4e0a\u65f6\u95f4\uff1a22\u5206\u949f33\u79d2<\/p>\n<p>\u7531\u4e8e\u4f7f\u7528 text-search-davinci-doc-001 \u751f\u6210\u5d4c\u5165\u5f0f\u5411\u91cf\uff0c\u901f\u5ea6\u6bd4\u8f83\u6162\u3002<br \/>\n\u4e3a\u4e86\u907f\u514d\u6bcf\u6b21\u90fd\u6267\u884c get_embedding\uff0c\u6211\u4eec\u4f1a\u5c06DataFrame\u4fdd\u5b58\u4e3aParquet\u6216\u5176\u4ed6\u683c\u5f0f\u3002<\/p>\n<h2>2. \u6784\u5efaRedis\u5411\u91cf\u7d22\u5f15<\/h2>\n<h3>2.1. \u8fde\u63a5\u5230Redis<\/h3>\n<p>\u6253\u5f00Azure Portal\uff0c\u5e76\u627e\u5230Redis Enterprise\u8d44\u6e90\uff0c\u83b7\u53d6Endpoint\u548cAccess Key\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">redis<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Redis<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">redis.commands.search.field<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">VectorField<\/span><span class=\"p\">,<\/span> <span class=\"n\">TagField<\/span><span class=\"p\">,<\/span> <span class=\"n\">NumericField<\/span><span class=\"p\">,<\/span> <span class=\"n\">TextField<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">redis.commands.search.query<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Query<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">redis.commands.search.result<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">Result<\/span>\r\n\r\n<span class=\"n\">redis_conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">redis<\/span><span class=\"p\">.<\/span><span class=\"nc\">StrictRedis<\/span><span class=\"p\">(<\/span><span class=\"n\">host<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">&lt;Your Endpoint&gt;<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">port<\/span><span class=\"o\">=<\/span><span class=\"mi\">10000<\/span><span class=\"p\">,<\/span> <span class=\"n\">db<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">password<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">&lt;Your Key&gt;<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"n\">ssl<\/span><span class=\"o\">=<\/span><span class=\"bp\">True<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"n\">redis_conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">ping<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<h3>2.2. \u521b\u5efa\u5411\u91cf\u7d22\u5f15<\/h3>\n<p>RediSearch \u652f\u6301\u4ee5\u4e0b\u4e24\u79cd\u7d22\u5f15\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">FLAT: \u30d6\u30eb\u30fc\u30c8\u30d5\u30a9\u30fc\u30b9 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">HNSW: Hierarchical Navigable Small World(HNSW) \u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u3067\u5805\u7262\u306a\u8fd1\u4f3c\u6700\u8fd1\u508d\u691c\u7d22\u306e\u5b9f\u88c5\u3067\u3059\u3002<\/ul>\n<p>\u8fd9\u4efd\u8d44\u6599\u5bf9\u7b97\u6cd5\u7684\u89e3\u91ca\u548c\u9009\u62e9\u975e\u5e38\u51fa\u8272\u3002\u9488\u5bf9 N=100\u4e07\u5de6\u53f3\u7684\u60c5\u51b5\uff0c\u5efa\u8bae\u4f7f\u7528FLAT\u3002\u800c\u4f5c\u4e3aDISTANCE_METRIC\uff0c\u53ef\u4ee5\u9009\u62e9L2\u3001IP\u3001COSINE\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5c06\u4f7f\u7528COSINE\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">def<\/span> <span class=\"nf\">create_flat_index<\/span> <span class=\"p\">(<\/span><span class=\"n\">redis_conn<\/span><span class=\"p\">,<\/span><span class=\"n\">vector_field_name<\/span><span class=\"p\">,<\/span><span class=\"n\">number_of_vectors<\/span><span class=\"p\">,<\/span> <span class=\"n\">vector_dimensions<\/span><span class=\"o\">=<\/span><span class=\"mi\">12288<\/span><span class=\"p\">,<\/span> <span class=\"n\">distance_metric<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">COSINE<\/span><span class=\"sh\">'<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">redis_conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">ft<\/span><span class=\"p\">().<\/span><span class=\"nf\">create_index<\/span><span class=\"p\">([<\/span>\r\n        <span class=\"nc\">VectorField<\/span><span class=\"p\">(<\/span><span class=\"n\">vector_field_name<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">FLAT<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"sh\">\"<\/span><span class=\"s\">TYPE<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">FLOAT32<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">DIM<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">vector_dimensions<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">DISTANCE_METRIC<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">distance_metric<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">INITIAL_CAP<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">number_of_vectors<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">BLOCK_SIZE<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span><span class=\"n\">number_of_vectors<\/span> <span class=\"p\">}),<\/span>\r\n        <span class=\"nc\">TagField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">itemid<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nc\">TextField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">combined_features<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nc\">TextField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">title<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">])<\/span>\r\n    \r\n<span class=\"k\">def<\/span> <span class=\"nf\">create_hnsw_index<\/span> <span class=\"p\">(<\/span><span class=\"n\">redis_conn<\/span><span class=\"p\">,<\/span><span class=\"n\">vector_field_name<\/span><span class=\"p\">,<\/span> <span class=\"n\">number_of_vectors<\/span><span class=\"p\">,<\/span> <span class=\"n\">vector_dimensions<\/span><span class=\"o\">=<\/span><span class=\"mi\">12288<\/span><span class=\"p\">,<\/span> <span class=\"n\">distance_metric<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">COSINE<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span><span class=\"n\">M<\/span><span class=\"o\">=<\/span><span class=\"mi\">40<\/span><span class=\"p\">,<\/span><span class=\"n\">EF<\/span><span class=\"o\">=<\/span><span class=\"mi\">200<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">redis_conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">ft<\/span><span class=\"p\">().<\/span><span class=\"nf\">create_index<\/span><span class=\"p\">([<\/span>\r\n        <span class=\"nc\">VectorField<\/span><span class=\"p\">(<\/span><span class=\"n\">vector_field_name<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">HNSW<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"sh\">\"<\/span><span class=\"s\">TYPE<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">FLOAT32<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">DIM<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">vector_dimensions<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">DISTANCE_METRIC<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">distance_metric<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">INITIAL_CAP<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">number_of_vectors<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">M<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">M<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">EF_CONSTRUCTION<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span> <span class=\"n\">EF<\/span><span class=\"p\">}),<\/span>\r\n        <span class=\"nc\">TagField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">itemid<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nc\">TextField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">combined_features<\/span><span class=\"sh\">\"<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"nc\">TextField<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">title<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">])<\/span>    \r\n\r\n\r\n<span class=\"n\">ITEM_KEYWORD_EMBEDDING_FIELD<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">davinci_search<\/span><span class=\"sh\">'<\/span>\r\n<span class=\"c1\">#Davinci is 12288 dims\r\n<\/span><span class=\"n\">TEXT_EMBEDDING_DIMENSION<\/span><span class=\"o\">=<\/span><span class=\"mi\">12288<\/span>\r\n<span class=\"n\">NUMBER_PRODUCTS<\/span><span class=\"o\">=<\/span><span class=\"mi\">4803<\/span>\r\n\r\n<span class=\"c1\"># create flat index &amp; load vectors\r\n<\/span><span class=\"nf\">create_flat_index<\/span><span class=\"p\">(<\/span><span class=\"n\">redis_conn<\/span><span class=\"p\">,<\/span> <span class=\"n\">ITEM_KEYWORD_EMBEDDING_FIELD<\/span><span class=\"p\">,<\/span> <span class=\"n\">NUMBER_PRODUCTS<\/span><span class=\"p\">,<\/span> <span class=\"n\">TEXT_EMBEDDING_DIMENSION<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">COSINE<\/span><span class=\"sh\">'<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5728Redis\u7684\u6587\u6863\u4e2d\u63d0\u5230\u4e86\u5411\u91cf\u7c7b\u578b\u652f\u6301FLOAT64\uff0c\u4f46\u5b9e\u9645\u6307\u5b9a\u65f6\u4f1a\u51fa\u73b0\u9519\u8bef\u5e76\u65e0\u6cd5\u521b\u5efa\u3002\u56e0\u6b64\uff0c\u6211\u66f4\u6539\u4e3aFLOAT32\u3002<\/p>\n<h3>\u5c06\u5411\u91cf\u5b58\u50a8\u4e3a\u54c8\u5e0c\u3002<\/h3>\n<p>\u4e3a\u4e86\u5206\u6790\u641c\u7d22\u7ed3\u679c\u7684\u5185\u5bb9\uff0c\u6211\u4eec\u8fd8\u6ce8\u518c\u4e86combined_features\u5217\u3002\u5728\u6ce8\u518c\u65f6\uff0c\u5411\u91cf\u9700\u8981\u8f6c\u6362\u4e3a\u5b57\u8282\u5217\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"o\">%%<\/span><span class=\"n\">time<\/span>\r\n<span class=\"k\">def<\/span> <span class=\"nf\">load_vectors<\/span><span class=\"p\">(<\/span><span class=\"n\">client<\/span><span class=\"p\">:<\/span><span class=\"n\">Redis<\/span><span class=\"p\">,<\/span> <span class=\"n\">df<\/span><span class=\"p\">,<\/span> <span class=\"n\">vector_field_name<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">p<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">pipeline<\/span><span class=\"p\">(<\/span><span class=\"n\">transaction<\/span><span class=\"o\">=<\/span><span class=\"bp\">False<\/span><span class=\"p\">)<\/span>\r\n    \r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">df<\/span><span class=\"p\">.<\/span><span class=\"n\">index<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">key<\/span><span class=\"o\">=<\/span> <span class=\"nf\">str<\/span><span class=\"p\">(<\/span><span class=\"n\">i<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">item_keywords_vector<\/span> <span class=\"o\">=<\/span> <span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"n\">vector_field_name<\/span><span class=\"p\">][<\/span><span class=\"n\">i<\/span><span class=\"p\">].<\/span><span class=\"nf\">astype<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">float32<\/span><span class=\"p\">).<\/span><span class=\"nf\">tobytes<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">item_metadata<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span><span class=\"sh\">'<\/span><span class=\"s\">itemid<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span> <span class=\"nf\">str<\/span><span class=\"p\">(<\/span><span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">id<\/span><span class=\"sh\">'<\/span><span class=\"p\">][<\/span><span class=\"n\">i<\/span><span class=\"p\">]),<\/span> <span class=\"sh\">'<\/span><span class=\"s\">title<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span> <span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">title<\/span><span class=\"sh\">'<\/span><span class=\"p\">][<\/span><span class=\"n\">i<\/span><span class=\"p\">],<\/span> <span class=\"sh\">'<\/span><span class=\"s\">combined_features<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span> <span class=\"n\">df<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">combined_features<\/span><span class=\"sh\">'<\/span><span class=\"p\">][<\/span><span class=\"n\">i<\/span><span class=\"p\">],<\/span> <span class=\"n\">vector_field_name<\/span><span class=\"p\">:<\/span> <span class=\"n\">item_keywords_vector<\/span><span class=\"p\">}<\/span>\r\n        \r\n        <span class=\"n\">client<\/span><span class=\"p\">.<\/span><span class=\"nf\">hset<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">mapping<\/span><span class=\"o\">=<\/span><span class=\"n\">item_metadata<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">p<\/span><span class=\"p\">.<\/span><span class=\"nf\">execute<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"nf\">load_vectors<\/span><span class=\"p\">(<\/span><span class=\"n\">redis_conn<\/span><span class=\"p\">,<\/span> <span class=\"n\">moviedf<\/span><span class=\"p\">,<\/span> <span class=\"n\">ITEM_KEYWORD_EMBEDDING_FIELD<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u5899\u4e0a\u65f6\u95f4\uff1a13\u5206\u949f44\u79d2<\/p>\n<h3>2.4. \u5411\u91cf\u641c\u7d22\uff08ANN\u641c\u7d22\uff09<\/h3>\n<p>\u8981\u83b7\u53d6\u641c\u7d22\u5173\u952e\u8bcd\u7684\u5d4c\u5165\u5f0f\u6570\u636e\uff0c\u8bf7\u5728 `get_embedding` \u4e2d\u6307\u5b9a\u67e5\u8be2\u6a21\u578b `text-search-davinci-query-001` \u3002\u7531\u4e8e Redis \u7684 kNN \u67e5\u8be2\u4e0d\u76f4\u89c2\uff0c\u8bf7\u53c2\u8003\u793a\u4f8b\u3002<\/p>\n<p>\u6211\u4f1a\u4ece\u4e00\u4e9b\u8457\u540d\u7535\u5f71\u7684\u60c5\u8282\u6458\u5f55\u51fa\u641c\u7d22\u67e5\u8be2\uff0c\u4ee5\u5e2e\u52a9\u5b83\u4eec\u53d6\u5f97\u6210\u529f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">def<\/span> <span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"n\">user_query<\/span><span class=\"p\">,<\/span> <span class=\"n\">topK<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">embedding<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_embedding<\/span><span class=\"p\">(<\/span><span class=\"n\">user_query<\/span><span class=\"p\">,<\/span> <span class=\"n\">engine<\/span><span class=\"o\">=<\/span><span class=\"sh\">\"<\/span><span class=\"s\">text-search-davinci-query-001<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">query_byte_array<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"nf\">array<\/span><span class=\"p\">(<\/span><span class=\"n\">embedding<\/span><span class=\"p\">).<\/span><span class=\"nf\">astype<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">float32<\/span><span class=\"p\">).<\/span><span class=\"nf\">tobytes<\/span><span class=\"p\">()<\/span>\r\n\r\n    <span class=\"n\">q<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Query<\/span><span class=\"p\">(<\/span><span class=\"sa\">f<\/span><span class=\"sh\">'<\/span><span class=\"s\">*=&gt;[KNN <\/span><span class=\"si\">{<\/span><span class=\"n\">topK<\/span><span class=\"si\">}<\/span><span class=\"s\"> @<\/span><span class=\"si\">{<\/span><span class=\"n\">ITEM_KEYWORD_EMBEDDING_FIELD<\/span><span class=\"si\">}<\/span><span class=\"s\"> $vec AS vector_score]<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">return_fields<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">vector_score<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">title<\/span><span class=\"sh\">\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">sort_by<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">vector_score<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">paging<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"n\">topK<\/span><span class=\"p\">).<\/span><span class=\"nf\">dialect<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">results<\/span> <span class=\"o\">=<\/span> <span class=\"n\">redis_conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">ft<\/span><span class=\"p\">().<\/span><span class=\"nf\">search<\/span><span class=\"p\">(<\/span><span class=\"n\">q<\/span><span class=\"p\">,<\/span> <span class=\"n\">query_params<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"sh\">\"<\/span><span class=\"s\">vec<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span>  <span class=\"n\">query_byte_array<\/span><span class=\"p\">})<\/span>\r\n\r\n    <span class=\"k\">for<\/span> <span class=\"n\">item<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">results<\/span><span class=\"p\">.<\/span><span class=\"n\">docs<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"nf\">print <\/span><span class=\"p\">(<\/span><span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"nb\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"n\">vector_score<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"n\">title<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">AI and humanity will confront each other<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u300a\u9ed1\u5ba2\u5e1d\u56fd\u300b\uff08634\uff0c0.734805703163\uff09<br \/>\n\u300a\u5979\u300b\uff081997\uff0c0.738143444061\uff09<br \/>\n\u300a\u6211\uff0c\u673a\u5668\u4eba\u300b\uff08266\uff0c0.738558232784\uff09<br \/>\n\u300a\u7ec8\u7ed3\u8005\u6551\u8d4e\u300b\uff0843\uff0c0.739533424377\uff09<br \/>\n\u300a\u673a\u68b0\u795e\u300b\uff082654\uff0c0.741096973419\uff09<\/p>\n<p>\u300cAI\u300d\u3068\u300c\u4eba\u985e\u300d\u3068\u3044\u3046\u8a9e\u5f59\u306f\u3001combined_features\u306b\u306f\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304c\u3001\u30e9\u30f3\u30ad\u30f3\u30b0\u306f\u3046\u307e\u304f\u751f\u6210\u3055\u308c\u3066\u3044\u307e\u3059\uff01<\/p>\n<p>\u203b Redis \u7684 COSINE \u662f\u6307\u4f59\u5f26\u8ddd\u79bb\uff0c\u5176\u5b9e\u9645\u4e0a\u662f\u51cf\u53bb\u4f59\u5f26\u76f8\u4f3c\u5ea6\u7684\u503c\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8d8a\u63a5\u8fd10\u8868\u793a\u5411\u91cf\u8d8a\u76f8\u4f3c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Ex-military father lands on island alone to rescue daughter<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>2996 0.688981413841 \u6307\u6325\u5b98<br \/>\n1331 0.714794993401 \u5c3c\u59c6\u7684\u5c9b<br \/>\n2953 0.715987503529 \u8fd4\u56de\u78a7\u84dd\u6cfb\u6e56<\/p>\n<p>\u771f\u662f\u6709\u8da3\u7684\u7ed3\u679c\uff0c\u6211\u5f88\u559c\u6b22\u3002\u56e0\u4e3a\u201c\u5973\u513f\u201d\u3001\u201c\u7236\u4eb2\u201d\u548c\u201c\u62ef\u6551\u201d\u90fd\u5305\u542b\u5728combined_features\u4e2d\uff0c\u6240\u4ee5\u5f53\u7136\u4f1a\u8fd9\u6837\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">\u5143\u8ecd\u4eba\u306e\u7236\u304c\u5a18\u3092\u6551\u51fa\u3059\u308b\u305f\u3081\u3001\u5358\u8eab\u3067\u5cf6\u306b\u4e0a\u9678\u3059\u308b<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>2996 0.724949836731 \u300a\u7279\u79cd\u5175\u300b<br \/>\n2521 0.742291748524 \u300a\u6d77\u5578\u300b<br \/>\n1404 0.760077595711 \u300a\u8857\u5934\u9738\u738b\u300b<\/p>\n<p>\u8fd9\u53e5\u8bdd\u5728\u65e5\u8bed\u4e2d\u4e5f\u662f\u8f7b\u677e\u641e\u5b9a\u7684\u3002\u4e0d\u662f\u82b1\u62db\uff0c\u65e5\u8bed\u5e76\u4e0d\u5305\u542b\u5728\u6570\u636e\u96c6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Wake up, Neo<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>634 0.718291580677 \u6bcd\u4f53<br \/>\n123 0.729486823082 \u6bcd\u4f53\u9769\u547d<br \/>\n125 0.731914699078 \u6bcd\u4f53\u91cd\u8f7d<br \/>\n1153 0.756486654282 \u9732\u897f<br \/>\n3207 0.757386445999 \u89c9\u9192<\/p>\n<p>&#8220;Neo&#8221;\u4e0d\u5728\u4e8ecombined_features\u4e2d\u3002\u7528\u65e5\u8bed\u8bf4&#8221;\u8d77\u304d\u308d\u3001\u30cd\u30aa&#8221;\u4e0d\u53ef\u4ee5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">Prof. Langdon investigates the mystery of Louvre.<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>201 \u300a\u8fbe\u00b7\u82ac\u5947\u5bc6\u7801\u300b<br \/>\n3082 \u300a\u72ee\u8eab\u4eba\u9762\u50cf\u300b<br \/>\n1449 \u300a\u5723\u6bbf\u9a91\u58eb\u56e2\u300b<br \/>\n128 \u300a\u5929\u4f7f\u4e0e\u9b54\u9b3c\u300b<br \/>\n291 \u300a\u56fd\u5bb6\u5b9d\u85cf\u300b<\/p>\n<p>&#8220;Langdon&#8221;\u548c&#8221;Louvre&#8221;\u90fd\u4e0d\u5305\u542b\u5728combined_features\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nf\">search_docs<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">\u30e9\u30f3\u30b0\u30c9\u30f3\u6559\u6388\u304c\u30eb\u30fc\u30d6\u30eb\u7f8e\u8853\u9928\u306e\u8b0e\u3092\u63a2\u308b<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"mi\">5<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>291 0.775311648846 \u56fd\u5bb6\u5b9d\u85cf<br \/>\n201 0.776099085808 \u8fbe\u00b7\u82ac\u5947\u5bc6\u7801<br \/>\n483 0.778588891029 \u65f6\u7a7a\u65c5\u4eba<br \/>\n3615 0.779091000557 \u8352\u91ce\u5165\u4fb5<br \/>\n2389 0.779899418354 \u6587\u827a\u590d\u5174<\/p>\n<h3>2.5. \u6267\u884c\u65f6\u95f4 (zh\u00ed sh\u00ed<\/h3>\n<p>\u6211\u5011\u5c07\u66f4\u7cbe\u7d30\u5730\u6e2c\u91cf\u6642\u9593\u3002\u7531\u65bc OpenAI \u8cc7\u6e90\u90e8\u7f72\u5728\u7f8e\u570b\u5357\u90e8\u4e2d\u90e8\uff0c\u800c Redis \u90e8\u7f72\u5728\u7f8e\u570b\u6771\u90e8\uff0c\u5f9e\u6771\u65e5\u672c\u8a2a\u554f\u6642\uff0c\u5730\u7406\u4e0a\u7684\u5ef6\u9072\u6703\u88ab\u52a0\u4e0a\u3002<\/p>\n<h4>\u5d4c\u5165\u5f0f\u751f\u6210<\/h4>\n<pre class=\"post-pre\"><code><span class=\"o\">%%<\/span><span class=\"n\">timeit<\/span>\r\n<span class=\"n\">user_query<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">AI and humanity will confront each other<\/span><span class=\"sh\">\"<\/span>\r\n<span class=\"n\">embedding<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_embedding<\/span><span class=\"p\">(<\/span><span class=\"n\">user_query<\/span><span class=\"p\">,<\/span> <span class=\"n\">engine<\/span><span class=\"o\">=<\/span><span class=\"sh\">\"<\/span><span class=\"s\">text-search-davinci-query-001<\/span><span class=\"sh\">\"<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6bcf\u6b21\u5faa\u73af\u7528\u65f6259\u6beb\u79d2\uff0c\u6807\u51c6\u5dee\u4e3a40.3\u6beb\u79d2\uff08\u5e73\u5747\u503c\u00b1\u6807\u51c6\u5dee\uff0c\u51717\u6b21\u8fd0\u884c\uff0c\u6bcf\u6b21\u5faa\u73af1\u6b21\uff09\u3002<\/p>\n<h4>\u6267\u884c\u67e5\u8be2<\/h4>\n<pre class=\"post-pre\"><code><span class=\"o\">%%<\/span><span class=\"n\">timeit<\/span>\r\n<span class=\"n\">topK<\/span><span class=\"o\">=<\/span><span class=\"mi\">5<\/span>\r\n<span class=\"n\">query_byte_array<\/span> <span class=\"o\">=<\/span> <span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"nf\">array<\/span><span class=\"p\">(<\/span><span class=\"n\">embedding<\/span><span class=\"p\">).<\/span><span class=\"nf\">astype<\/span><span class=\"p\">(<\/span><span class=\"n\">np<\/span><span class=\"p\">.<\/span><span class=\"n\">float32<\/span><span class=\"p\">).<\/span><span class=\"nf\">tobytes<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"n\">q<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">Query<\/span><span class=\"p\">(<\/span><span class=\"sa\">f<\/span><span class=\"sh\">'<\/span><span class=\"s\">*=&gt;[KNN <\/span><span class=\"si\">{<\/span><span class=\"n\">topK<\/span><span class=\"si\">}<\/span><span class=\"s\"> @<\/span><span class=\"si\">{<\/span><span class=\"n\">ITEM_KEYWORD_EMBEDDING_FIELD<\/span><span class=\"si\">}<\/span><span class=\"s\"> $vec AS vector_score]<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">return_fields<\/span><span class=\"p\">(<\/span><span class=\"sh\">\"<\/span><span class=\"s\">vector_score<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">title<\/span><span class=\"sh\">\"<\/span><span class=\"p\">).<\/span><span class=\"nf\">sort_by<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">vector_score<\/span><span class=\"sh\">'<\/span><span class=\"p\">).<\/span><span class=\"nf\">paging<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"n\">topK<\/span><span class=\"p\">).<\/span><span class=\"nf\">dialect<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">results<\/span> <span class=\"o\">=<\/span> <span class=\"n\">redis_conn<\/span><span class=\"p\">.<\/span><span class=\"nf\">ft<\/span><span class=\"p\">().<\/span><span class=\"nf\">search<\/span><span class=\"p\">(<\/span><span class=\"n\">q<\/span><span class=\"p\">,<\/span> <span class=\"n\">query_params<\/span><span class=\"o\">=<\/span><span class=\"p\">{<\/span><span class=\"sh\">\"<\/span><span class=\"s\">vec<\/span><span class=\"sh\">\"<\/span><span class=\"p\">:<\/span>  <span class=\"n\">query_byte_array<\/span><span class=\"p\">})<\/span>\r\n\r\n<span class=\"k\">for<\/span> <span class=\"n\">item<\/span> <span class=\"ow\">in<\/span> <span class=\"n\">results<\/span><span class=\"p\">.<\/span><span class=\"n\">docs<\/span><span class=\"p\">:<\/span>\r\n    <span class=\"nf\">print <\/span><span class=\"p\">(<\/span><span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"nb\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"n\">vector_score<\/span><span class=\"p\">,<\/span> <span class=\"n\">item<\/span><span class=\"p\">.<\/span><span class=\"n\">title<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6bcf\u4e2a\u5faa\u73af\u7684\u65f6\u95f4\u4e3a182\u6beb\u79d2\u00b1703\u5fae\u79d2\uff08\u5e73\u5747\u503c\u00b17\u6b21\u8fd0\u884c\uff0c\u6bcf\u6b2110\u4e2a\u5faa\u73af\u7684\u6807\u51c6\u5dee\uff09\u3002<\/p>\n<p>\u751f\u6210\u57cb\u6ca1\u70b9\u9700\u8981\u82b1\u8d39\u5f88\u957f\u65f6\u95f4\u554a\u3002GPT-3 \u6a21\u578b\u5927\u81f4\u5206\u4e3a\u56db\u79cd\u7c7b\u578b\uff0c\u5b83\u4eec\u5728\u7cbe\u5ea6\u548c\u901f\u5ea6\u4e4b\u95f4\u5b58\u5728\u7740\u4e00\u79cd\u6743\u8861\u5173\u7cfb\u3002\u4e3a\u4e86\u5728\u901f\u5ea6\u4e0a\u727a\u7272\u7cbe\u5ea6\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u6a21\u578b\u3002\u8fd9\u6b21\u6211\u4eec\u4f7f\u7528\u4e86\u7cbe\u5ea6\u6700\u9ad8\u7684 Davinci \u6a21\u578b\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5bf9\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528Spark\u7b49\u5206\u5e03\u5f0f\u5904\u7406\u65b9\u6cd5\u6765\u8fdb\u4e00\u6b65\u52a0\u5feb\u901f\u5ea6\u3002\uff08\u5728API\u9650\u5236\u5185\uff09<\/p>\n<h1>\u6df7\u5408\u641c\u7d22<\/h1>\n<p>\u5f53\u7136\uff0c\u6709\u9700\u6c42\u5e0c\u671b\u540c\u65f6\u8fdb\u884c\u57fa\u4e8e\u9891\u7387\u7684\u641c\u7d22\u548c\u5411\u91cf\u641c\u7d22\uff0c\u4f46\u76ee\u524d Redis \u65e0\u6cd5\u8fdb\u884c\u65e5\u8bed\u5168\u6587\u641c\u7d22\uff08\u53ef\u4ee5\u4f7f\u7528\u8fc7\u6ee4\u5668\uff09\u3002\u5509\uff0c\u80fd\u591f\u540c\u65f6\u8fdb\u884c\u8fd9\u4e24\u79cd\u641c\u7d22\u7684\u641c\u7d22\u5f15\u64ce\uff0c\u76ee\u524d\u53ea\u6709 Apache Lucene \u548c ElasticSearch \u5427\uff1f<\/p>\n<h1>\u6700\u540e<\/h1>\n<p>\u8bf7\u5141\u8bb8\u6211\u5728\u8fd9\u6b21\u4e2d\u6b62\u4e8e\u4f7f\u7528 Redis \u8fdb\u884c\u5411\u91cf\u641c\u7d22\uff0c\u4f46\u5728\u63a5\u4e0b\u6765\u7684\u6d3b\u52a8\u4e2d\uff0c\u6211\u4f1a\u7ee7\u7eed\u8003\u8651\u5408\u4f5c\u65b9\u6cd5\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 Azure Cognitive Search \u5e76\u5bf9\u5411\u91cf\u641c\u7d22\u611f\u5174\u8da3\u7684\u8bdd\uff0c\u8bf7\u79ef\u6781\u53c2\u4e0e\u8fd0\u52a8\u5e76\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u5411\u91cf\u641c\u7d22\u3002<\/p>\n<h1>\u8bf7\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\u6216\u5177\u4f53\u7684\u53e5\u5b50\u4ee5\u4fbf\u6211\u8fdb\u884c\u7ffb\u8bd1\u3002<\/h1>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728\u5df7\u5b50\u91cc\uff0cOpenAI\u975e\u5e38\u53d7\u6b22\u8fce\u3002OpenAI\u5728Azure\u4e0a\u63d0\u4f9b\u7684Azure OpenAI Servic [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33895","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>\u8003\u8651\u5c06Azure OpenAI\u548cAzure Cognitive Search\u7ed3\u5408\u4f7f\u7528 - 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\/\u8003\u8651\u5c06azure-openai\u548cazure-cognitive-search\u7ed3\u5408\u4f7f\u7528\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta 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