{"id":663,"date":"2024-08-04T21:23:00","date_gmt":"2024-08-04T13:23:00","guid":{"rendered":"https:\/\/cdjax.com\/?p=663"},"modified":"2024-08-30T08:14:06","modified_gmt":"2024-08-30T00:14:06","slug":"apple-intelligence%e8%ae%ba%e6%96%87%e9%98%85%e8%af%bb","status":"publish","type":"post","link":"https:\/\/cdjax.com\/?p=663","title":{"rendered":"Apple Intelligence\u8bba\u6587\u9605\u8bfb"},"content":{"rendered":"\n<p>\u4ee5\u4e0b\u5185\u5bb9\u57fa\u4e8eAI\u603b\u7ed3\u540e\u4fee\u6539\u800c\u6765\uff0c\u4f9b\u4e2d\u6587\u8bfb\u8005\u53c2\u8003\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u7b80\u4ecb<\/h3>\n\n\n\n<p>\u57282024\u5e74\u7684\u82f9\u679c\u5168\u7403\u5f00\u53d1\u8005\u5927\u4f1a\u4e0a\uff0c\u82f9\u679c\u516c\u53f8\u4ecb\u7ecd\u4e86\u201cApple Intelligence\u201d\uff0c\u8fd9\u662f\u4e00\u4e2a\u96c6\u6210\u4e8eiOS 18\u3001iPadOS 18\u548cmacOS Sequoia\u7684\u4e2a\u4eba\u667a\u80fd\u7cfb\u7edf\u3002\u8fd9\u4e2a\u7cfb\u7edf\u7531\u591a\u4e2a\u5f3a\u5927\u7684\u751f\u6210\u6a21\u578b\u7ec4\u6210\uff0c\u8fd9\u4e9b\u6a21\u578b\u7ecf\u8fc7\u4f18\u5316\uff0c\u80fd\u591f\u5feb\u901f\u3001\u9ad8\u6548\u5730\u5b8c\u6210\u7528\u6237\u7684\u65e5\u5e38\u4efb\u52a1\uff0c\u5e76\u6839\u636e\u5f53\u524d\u6d3b\u52a8\u5373\u65f6\u9002\u5e94\u3002Apple Foundation Models\uff08\u82f9\u679c\u57fa\u7840\u6a21\u578b\uff0c\u7b80\u79f0AFM\uff09\u7ecf\u8fc7\u4e13\u95e8\u8c03\u6574\uff0c\u80fd\u591f\u5728\u5199\u4f5c\u548c\u4f18\u5316\u6587\u672c\u3001\u4f18\u5148\u548c\u603b\u7ed3\u901a\u77e5\u3001\u521b\u5efa\u6709\u8da3\u7684\u56fe\u50cf\u4ee5\u53ca\u7b80\u5316\u5e94\u7528\u95f4\u7684\u4ea4\u4e92\u7b49\u7528\u6237\u4f53\u9a8c\u4e2d\u53d1\u6325\u4f5c\u7528\u3002<\/p>\n\n\n\n<p>Apple Intelligence \u7684\u8bbe\u8ba1\u59cb\u7ec8\u8d2f\u5f7b\u82f9\u679c\u7684\u6838\u5fc3\u4ef7\u503c\u89c2\uff0c\u5e76\u5efa\u7acb\u5728\u4e1a\u754c\u9886\u5148\u7684\u9690\u79c1\u4fdd\u62a4\u57fa\u7840\u4e4b\u4e0a\u3002\u4e3a\u4e86\u5f00\u53d1\u8fd9\u4e9bAI\u5de5\u5177\u548c\u6a21\u578b\uff0c\u6211\u4eec\u9075\u5faa\u4ee5\u4e0b\u8d1f\u8d23\u4efbAI\u7684\u539f\u5219\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e3a\u7528\u6237\u63d0\u4f9b\u667a\u80fd\u5de5\u5177<\/strong>\uff1a\u8bc6\u522bAI\u7684\u8d1f\u8d23\u4efb\u4f7f\u7528\u573a\u666f\uff0c\u4e3a\u7528\u6237\u63d0\u4f9b\u7279\u5b9a\u9700\u6c42\u7684\u5de5\u5177\uff0c\u540c\u65f6\u5c0a\u91cd\u7528\u6237\u7684\u4f7f\u7528\u9009\u62e9\u3002<\/li>\n\n\n\n<li><strong>\u771f\u5b9e\u5730\u4ee3\u8868\u7528\u6237<\/strong>\uff1a\u6784\u5efa\u80fd\u591f\u771f\u5b9e\u4ee3\u8868\u5168\u7403\u7528\u6237\u7684\u4ea7\u54c1\uff0c\u52aa\u529b\u907f\u514d\u5728AI\u5de5\u5177\u548c\u6a21\u578b\u4e2d\u5ef6\u7eed\u504f\u89c1\u548c\u7cfb\u7edf\u6027\u95ee\u9898\u3002<\/li>\n\n\n\n<li><strong>\u5c0f\u5fc3\u8bbe\u8ba1<\/strong>\uff1a\u5728\u8bbe\u8ba1\u3001\u6a21\u578b\u8bad\u7ec3\u3001\u529f\u80fd\u5f00\u53d1\u548c\u8d28\u91cf\u8bc4\u4f30\u7684\u6bcf\u4e2a\u9636\u6bb5\u91c7\u53d6\u9884\u9632\u63aa\u65bd\uff0c\u4ee5\u9632\u6b62AI\u5de5\u5177\u7684\u8bef\u7528\u6216\u6f5c\u5728\u5371\u5bb3\uff0c\u5e76\u4e0d\u65ad\u6839\u636e\u7528\u6237\u53cd\u9988\u6539\u8fdbAI\u5de5\u5177\u3002<\/li>\n\n\n\n<li><strong>\u4fdd\u62a4\u9690\u79c1<\/strong>\uff1a\u4f7f\u7528\u5f3a\u5927\u7684\u8bbe\u5907\u7aef\u5904\u7406\u548c\u521b\u65b0\u57fa\u7840\u8bbe\u65bd\u5982\u79c1\u6709\u4e91\u8ba1\u7b97\uff0c\u4fdd\u62a4\u7528\u6237\u9690\u79c1\uff0c\u4e0d\u4f7f\u7528\u7528\u6237\u7684\u79c1\u4eba\u6570\u636e\u8fdb\u884c\u6a21\u578b\u8bad\u7ec3\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e24\u79cd\u6a21\u578b\u7684\u5f00\u53d1\uff1a\u9002\u7528\u4e8e\u8bbe\u5907\u7684\u7ea630\u4ebf\u53c2\u6570\u7684AFM-on-device\u6a21\u578b\u548c\u66f4\u5927\u7684\u57fa\u4e8e\u670d\u52a1\u5668\u7684AFM-server\u6a21\u578b\u3002\u8fd9\u4e9b\u6a21\u578b\u662f\u82f9\u679c\u4e3a\u4e86\u652f\u6301\u7528\u6237\u548c\u5f00\u53d1\u8005\u5f00\u53d1\u7684\u4e00\u7cfb\u5217\u751f\u6210\u6a21\u578b\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u67b6\u6784<\/h3>\n\n\n\n<p>AFM \u57fa\u7840\u6a21\u578b\u662f\u57fa\u4e8e Transformer \u67b6\u6784\u7684\u5bc6\u96c6\u89e3\u7801\u5668\u6a21\u578b\uff0c\u5177\u6709\u4ee5\u4e0b\u8bbe\u8ba1\u9009\u62e9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5171\u4eab\u7684\u8f93\u5165\/\u8f93\u51fa\u5d4c\u5165\u77e9\u9635\uff0c\u7528\u4e8e\u51cf\u5c11\u53c2\u6570\u7684\u5185\u5b58\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u91c7\u7528\u9884\u89c4\u8303\u5316\uff08Pre-Normalization\uff09\u548c RMSNorm\uff0c\u4ee5\u63d0\u9ad8\u8bad\u7ec3\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5206\u7ec4\u67e5\u8be2\u6ce8\u610f\u529b\uff08Grouped-query attention, GQA\uff09\u6765\u51cf\u5c11 KV \u7f13\u5b58\u7684\u5185\u5b58\u5360\u7528\u3002<\/li>\n\n\n\n<li>\u91c7\u7528 SwiGLU \u6fc0\u6d3b\u51fd\u6570\uff0c\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n\n\n\n<li>\u91c7\u7528 RoPE \u4f4d\u7f6e\u5d4c\u5165\uff0c\u57fa\u9891\u8bbe\u7f6e\u4e3a 500k\uff0c\u4ee5\u652f\u6301\u957f\u4e0a\u4e0b\u6587\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<p>AFM-on-device \u7684\u6a21\u578b\u5c3a\u5bf8\u4e3a\uff1a\u6a21\u578b\u7ef4\u5ea6 3072\u3001\u67e5\u8be2\u5934\u6570 24\u3001\u952e\/\u503c\u5934\u6570 8\u3001\u5c42\u6570 26\uff0c\u975e\u5d4c\u5165\u53c2\u6570\u6570\u4e3a 2.58B\uff0c\u5d4c\u5165\u53c2\u6570\u6570\u4e3a 0.15B\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9884\u8bad\u7ec3<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">3.1 \u6570\u636e<\/h4>\n\n\n\n<p>AFM \u9884\u8bad\u7ec3\u6570\u636e\u96c6\u5305\u62ec\u591a\u79cd\u9ad8\u8d28\u91cf\u7684\u6570\u636e\u6df7\u5408\uff0c\u8fd9\u4e9b\u6570\u636e\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u51fa\u7248\u5546\u5904\u83b7\u5f97\u7684\u8bb8\u53ef\u6570\u636e<\/li>\n\n\n\n<li>\u7b5b\u9009\u8fc7\u7684\u516c\u5f00\u6570\u636e\u96c6\u548c\u5f00\u6e90\u6570\u636e\u96c6<\/li>\n\n\n\n<li>Applebot \u722c\u53d6\u7684\u516c\u5f00\u4fe1\u606f<\/li>\n<\/ul>\n\n\n\n<p>\u6240\u6709\u6570\u636e\u5747\u7ecf\u8fc7\u4e25\u683c\u7684\u53bb\u6c61\u548c\u53bb\u9664\u4e2a\u4eba\u4fe1\u606f\u7684\u5904\u7406\uff0c\u786e\u4fdd\u6ca1\u6709\u5305\u542b\u4efb\u4f55\u82f9\u679c\u7528\u6237\u7684\u79c1\u4eba\u6570\u636e\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.2 \u914d\u7f6e\u5904\u7406<\/h4>\n\n\n\n<p>AFM \u9884\u8bad\u7ec3\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6838\u5fc3\u9884\u8bad\u7ec3\uff08Core Pre-training\uff09<\/li>\n\n\n\n<li>\u7ee7\u7eed\u9884\u8bad\u7ec3\uff08Continued Pre-training\uff09<\/li>\n\n\n\n<li>\u4e0a\u4e0b\u6587\u6269\u5c55\uff08Context Lengthening\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u6bcf\u4e2a\u9636\u6bb5\u5747\u4f7f\u7528\u53bb\u8026\u6743\u91cd\u8870\u51cf\uff08decoupled weight decay\uff09\u8fdb\u884c\u6b63\u5219\u5316\uff0c\u5e76\u91c7\u7528 \u00b5Param\uff08simple\uff09\u6765\u7b80\u5316\u53c2\u6570\u8303\u6570\u63a7\u5236\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u540e\u8bad\u7ec3<\/h3>\n\n\n\n<p>\u5728\u6a21\u578b\u57fa\u7840\u4e0a\u8fdb\u884c\u7684\u540e\u8bad\u7ec3\u9636\u6bb5\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u5927\u91cf\u7814\u7a76\uff0c\u4ee5\u786e\u4fdd\u6a21\u578b\u7684\u901a\u7528\u80fd\u529b\uff0c\u5305\u62ec\u6307\u4ee4\u8ddf\u968f\u548c\u5bf9\u8bdd\u80fd\u529b\u3002\u6211\u4eec\u91c7\u7528\u4e86\u76d1\u7763\u5fae\u8c03\uff08SFT\uff09\u548c\u6765\u81ea\u4eba\u7c7b\u53cd\u9988\u7684\u5f3a\u5316\u5b66\u4e60\uff08RLHF\uff09\u4e24\u79cd\u65b9\u6cd5\u3002\u5f15\u5165\u4e86\u4e24\u79cd\u65b0\u7684\u540e\u8bad\u7ec3\u7b97\u6cd5\uff1a\u62d2\u7edd\u62bd\u6837\u5fae\u8c03\u7b97\u6cd5\u548c\u955c\u50cf\u4e0b\u964d\u7b56\u7565\u4f18\u5316\u7b97\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u663e\u8457\u63d0\u5347\u4e86\u6a21\u578b\u8d28\u91cf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.1 \u6570\u636e<\/h4>\n\n\n\n<p>\u6211\u4eec\u5728\u540e\u8bad\u7ec3\u4e2d\u91c7\u7528\u4e86\u6df7\u5408\u6570\u636e\u7b56\u7565\uff0c\u5305\u62ec\u4eba\u5de5\u6ce8\u91ca\u548c\u5408\u6210\u6570\u636e\u3002\u4eba\u5de5\u6ce8\u91ca\u5305\u62ec\u6f14\u793a\u6570\u636e\u548c\u4eba\u7c7b\u504f\u597d\u53cd\u9988\uff0c\u800c\u5408\u6210\u6570\u636e\u5219\u7531\u6a21\u578b\u751f\u6210\uff0c\u7528\u4e8e\u589e\u5f3a\u6570\u636e\u8d28\u91cf\u548c\u591a\u6837\u6027\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.1.1 \u4eba\u5de5\u6ce8\u91ca<\/h4>\n\n\n\n<p>\u6f14\u793a\u6570\u636e\u5305\u542b\u7cfb\u7edf\u7ea7\u548c\u4efb\u52a1\u7ea7\u7684\u6307\u4ee4\u53ca\u5176\u5bf9\u5e94\u7684\u54cd\u5e94\uff0c\u5f3a\u8c03\u6570\u636e\u8d28\u91cf\u7684\u91cd\u8981\u6027\u3002\u4eba\u7c7b\u504f\u597d\u53cd\u9988\u5219\u901a\u8fc7\u6bd4\u8f83\u548c\u6392\u5e8f\u4e24\u4e2a\u6a21\u578b\u54cd\u5e94\u6765\u6536\u96c6\u504f\u597d\u6807\u7b7e\uff0c\u7528\u4e8e\u8fdb\u4e00\u6b65\u6539\u8fdb\u6a21\u578b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.1.2 \u5408\u6210\u6570\u636e<\/h4>\n\n\n\n<p>\u5728\u67d0\u4e9b\u9886\u57df\uff0c\u6a21\u578b\u751f\u6210\u7684\u54cd\u5e94\u8d28\u91cf\u80fd\u591f\u4e0e\u4eba\u5de5\u6ce8\u91ca\u76f8\u5ab2\u7f8e\uff0c\u751a\u81f3\u8d85\u8d8a\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u6269\u5c55\u4e86\u63d0\u793a\u96c6\u5408\u4ee5\u589e\u52a0\u591a\u6837\u6027\uff0c\u5e76\u751f\u6210\u5408\u6210\u6570\u636e\u7528\u4e8e\u8bad\u7ec3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u652f\u6301\u82f9\u679c\u667a\u80fd\u529f\u80fd<\/h3>\n\n\n\n<p>\u82f9\u679c\u57fa\u7840\u6a21\u578b\u88ab\u8bbe\u8ba1\u7528\u4e8e\u652f\u6301iPhone\u3001iPad\u548cMac\u4e0a\u7684\u82f9\u679c\u667a\u80fd\u7cfb\u7edf\u3002\u6211\u4eec\u4f7f\u7528LoRA\u9002\u914d\u5668\uff0c\u4ee5\u4f7f\u57fa\u7840\u6a21\u578b\u80fd\u591f\u52a8\u6001\u5730\u9002\u5e94\u7528\u6237\u7684\u65e5\u5e38\u4efb\u52a1\u3002LoRA\u9002\u914d\u5668\u662f\u5c0f\u578b\u795e\u7ecf\u7f51\u7edc\u6a21\u5757\uff0c\u53ef\u4ee5\u63d2\u5165\u57fa\u7840\u6a21\u578b\u7684\u4e0d\u540c\u5c42\u4e2d\uff0c\u4ee5\u8fdb\u884c\u7279\u5b9a\u4efb\u52a1\u7684\u5fae\u8c03\u3002\u9002\u914d\u5668\u7684\u53c2\u6570\u503c\u4f7f\u752816\u4f4d\u8868\u793a\uff0c\u80fd\u591f\u52a8\u6001\u52a0\u8f7d\u548c\u5207\u6362\uff0c\u4ee5\u6709\u6548\u7ba1\u7406\u5185\u5b58\u548c\u786e\u4fdd\u64cd\u4f5c\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5.1 \u9002\u914d\u5668\u67b6\u6784<\/h4>\n\n\n\n<p>LoRA\u9002\u914d\u5668\u88ab\u7528\u4e8e\u6240\u6709\u7684\u81ea\u6ce8\u610f\u529b\u5c42\u548c\u524d\u9988\u7f51\u7edc\u5c42\u7684\u7ebf\u6027\u6295\u5f71\u77e9\u9635\u4e2d\uff0c\u53ea\u9700\u5fae\u8c03\u9002\u914d\u5668\uff0c\u4fdd\u6301\u57fa\u7840\u6a21\u578b\u7684\u539f\u59cb\u53c2\u6570\u4e0d\u53d8\u3002\u8fd9\u79cd\u65b9\u6cd5\u65e2\u4fdd\u7559\u4e86\u6a21\u578b\u7684\u901a\u7528\u77e5\u8bc6\uff0c\u53c8\u80fd\u652f\u6301\u7279\u5b9a\u4efb\u52a1\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5.2 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class=\"wp-block-heading\">7. \u8d1f\u8d23\u4efb\u7684AI<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">7.1 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