{"id":4598,"date":"2025-05-08T20:46:18","date_gmt":"2025-05-08T12:46:18","guid":{"rendered":"https:\/\/www.yizishun.com\/?p=4598"},"modified":"2025-09-16T13:32:11","modified_gmt":"2025-09-16T05:32:11","slug":"2025-%e9%be%99%e8%8a%af%e6%9d%af-%e5%8f%82%e8%b5%9b%e6%97%a5%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/www.yizishun.com\/?p=4598","title":{"rendered":"2025 \u9f99\u82af\u676f \u53c2\u8d5b\u65e5\u8bb0"},"content":{"rendered":"\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">\u524d\u8a00<\/mark><\/strong>\uff1a\u672c\u7bc7\u5b8c\u5168\u662f\u65e5\u8bb0\u6027\u8d28\u7684\u6587\u7ae0\uff0c\u60f3\u5230\u4ec0\u4e48\u5199\u4ec0\u4e48\uff0c\u8bf7\u8c28\u614e\u53c2\u8003\uff08\u672c\u7bc7\u7ed3\u5c3e\u4f1a\u5199\u51fa\u5f97\u5956\u60c5\u51b5\uff0c\u5f53\u7136\uff0c\u5982\u679c\u6ca1\u83b7\u5956\uff0c\u6211\u5c31\u6839\u672c\u4e0d\u4f1a\u628a\u8fd9\u7bc7\u6587\u7ae0\u53d1\u51fa\u6765\u4e86\uff08\u72d7\u5934\uff09\uff09<\/p>\n\n\n\n<p>emmm,\u5f88\u5c34\u5c2c\uff0c\u53ea\u6709\u4e09\u7b49\u5956\uff0c\u6700\u4e3b\u8981\u7684\u7406\u7531\u662f\u65f6\u95f4\u4e0d\u591f\uff0c\u5c0f\u77a7\u4e86\u6211\u4eec\u7684\u67b6\u6784\u7684\u5de5\u4f5c\u91cf\uff0c\u5bfc\u81f4\u540e\u9762\u7684bug\u6ca1\u8c03\u5b8c\uff0c\u7136\u540e\u7531\u4e8e\u8fdebug\u90fd\u6bcf\u8c03\u5b8c\uff0c\u6240\u4ee5\u6027\u80fd\u81ea\u7136\u6ca1\u6709\u8c03\u5230\u6700\u4f18\uff0c\u6211\u5199\u4e86\u4e00\u7bc7\u53cd\u601d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u67b6\u6784\u8bbe\u8ba1<\/mark><\/strong><\/h2>\n\n\n\n<p>\u6709\u4e00\u4e2a\u67b6\u6784\u6765\u7740\uff0c\u5230\u65f6\u5019\u653e\u4e0a\u6765TODO\uff08\u6682\u5b9a\u662f\u4e71\u5e8f\u4e09\u53d1\u5c04\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Rename<\/mark><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">freelist<\/mark><\/strong><\/h3>\n\n\n\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/docs.xiangshan.cc\/zh-cn\/latest\/backend\/rename\/\">https:\/\/docs.xiangshan.cc\/zh-cn\/latest\/backend\/rename\/<\/a> \uff0c <a href=\"https:\/\/docs.boom-core.org\/en\/latest\/sections\/rename-stage.html\">https:\/\/docs.boom-core.org\/en\/latest\/sections\/rename-stage.html<\/a> \uff0c \u8d85\u6807\u91cf\u5904\u7406\u5668\u8bbe\u8ba1\u76f8\u5173\u7ae0\u8282\uff0c 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href=\"https:\/\/zh.wikipedia.org\/zh-hans\/%E7%92%B0%E5%BD%A2%E7%B7%A9%E8%A1%9D%E5%8D%80\">https:\/\/zh.wikipedia.org\/zh-hans\/%E7%92%B0%E5%BD%A2%E7%B7%A9%E8%A1%9D%E5%8D%80<\/a>\uff0cwikipedia\u4e0a\u9762\u8bf4chisel\u7684\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u9002\u5408\u591a\u7ebf\u7a0b\uff0c\u8fd9\u6b21\u4eb2\u8eab\u4f53\u4f1a\u5230\u4e86\uff0c\u975e\u5e38\u4e0d\u9002\u5408\u8d85\u6807\u91cf\uff0c\u6240\u4ee5\u6211\u91cd\u6784\u4e86\u4e00\u904d\uff09<\/p>\n\n\n\n<p>\u4e4b\u540e\u518d\u770b\u9999\u5c71\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u53d1\u73b0rob\u7528\u4e86\u591a\u4e2a\u6307\u9488\uff0c\u6bd4\u5982\u8bf4\u5165\u961f\uff0c\u5c31\u7528\u4e86renamewidth\u4e2a\u6307\u9488\uff0c\u4f46\u662ffreelist\u53c8\u53ea\u7528\u4e86\u4e00\u4e2a\u6307\u9488\uff0c\u6211\u6709\u70b9\u4e0d\u6e05\u695a\u4ed6\u4eec\u7684\u8003\u91cf\uff0c\u4f46\u662f\u5982\u679c\u662f\u987a\u5e8f\u7684\uff0c\u6211\u8ba4\u4e3a\u5c31\u4e00\u4e2a\u6307\u9488\u4e0d\u5c31\u597d\u4e86\uff0c\u6211\u5148\u6309\u7167\u4e00\u4e2a\u6307\u9488\u7684\u5199<\/p>\n\n\n\n<p>\u5410\u69fd\u4e00\u4e0b\uff1a\u8d85\u6807\u91cf\u771f\u7684\u9ebb\u70e6\uff0cmap\uff0cforeach\uff0ctabulate\u3002\u3002\u3002\u4e00\u4e2a\u63a5\u7740\u4e00\u4e2a\uff0c\u4e00\u4e2a\u5957\u4e00\u4e2a\uff0c\u867d\u7136\u5f88\u4f18\u96c5\uff0c\u4f46\u662f\u611f\u89c9\u53ef\u8bfb\u6027\u582a\u5fe7<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">testbench<\/mark><\/strong><\/h3>\n\n\n\n<p>\u6211\u63d0\u51fa\u6bcf\u4e2a\u6a21\u5757\uff0c\u81f3\u5c11\u8981\u6d4b\u4e00\u4e0b\uff0c\u6d4b\u7684\u7c92\u5ea6\u5176\u5b9e\u53ef\u4ee5\u4e0d\u662f\u6a21\u5757\u7ea7\uff0c\u4e0d\u8fc7\u81f3\u5c11\u662f\u6d41\u6c34\u7ebf\u7ea7\uff0c\u5373\u6bcf\u4e00\u4e2a\u6d41\u6c34\u7ebf\u7ea7\u90fd\u8981\u5199testbench\uff0c\u786e\u8ba4\u6ca1\u95ee\u9898\u624d\u80fd\u5408\u5e76\u5230core\u91cc\u9762<\/p>\n\n\n\n<p>\u7136\u540e\u5176\u5b9e\u6211\u73b0\u5728\u662f\u8981\u5199rename\u7684tb\uff0c\u4e0d\u8fc7\u5b9e\u9645\u4e0a\u9a8c\u8bc1\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662ftb\uff0c\u4e00\u79cd\u662f\u5f62\u5f0f\u5316\u9a8c\u8bc1\uff0c\u4f46\u662frename\u5199\u5f62\u5f0f\u5316\u9a8c\u8bc1\u611f\u89c9\u6709\u70b9\u96be\uff0c\u6240\u4ee5\u6253\u7b97\u7528tb\u6d4b\uff08\u6211\u89c9\u5f97\u6700\u597d\u7528\u5f62\u5f0f\u5316\u9a8c\u8bc1\u7684\u662f\u90a3\u79cdalu\u4e4b\u7c7b\u7684fu\u6a21\u5757\uff09<\/p>\n\n\n\n<p>\u73b0\u5728\u51c6\u5907\u5f00\u59cb\u5199\uff0c\u4f46\u662f\u6ca1\u6709\u601d\u8def\uff0c\u6240\u4ee5\u5728\u535a\u5ba2\u91cc\u65e0\u75c5\u547b\u541f\u4e00\u4e0b\uff0c\u5199\u7740\u5199\u7740\u53ef\u80fd\u5c31\u6709\u601d\u8def\u4e86<\/p>\n\n\n\n<p>\u5176\u5b9e\u6211\u8fd8\u662f\u4e00\u53e3\u6c14\u5c31\u5199\u5b8c\u4e86\uff0c\u6211\u8fd9\u4e2atestbench\u4e3b\u8981\u5206\u4e3a\u4e24\u90e8\u5206\uff0c\u7b2c\u4e00\u90e8\u5206\u662f\u6fc0\u52b1\u6570\u636e\u7684\u4ea7\u751f\uff0c\u53e6\u4e00\u4e2a\u90e8\u5206\u662f\u6b63\u786e\u6027\u7684\u68c0\u9a8c\uff0c\u5b9e\u9645\u4e0a\uff0c\u8fd9\u5c31\u662f\u4f20\u7edfuvm\u9a8c\u8bc1\u65b9\u6cd5\u601d\u60f3\uff0c\u5373\u4f7f\u7528\u7684\u4e0d\u662fuvm\uff0c\u53ea\u662f\u771f\u6b63\u7684uvm\u4f1a\u5305\u542b\u66f4\u591a\uff0csequencer\uff0cgenrator&#8230;..<\/p>\n\n\n\n<p>\u6700\u4e3b\u8981\u7684\u4e00\u90e8\u5206\u5176\u5b9e\u662f\u6b63\u786e\u6027\u68c0\u9a8c\uff0c\u4e4b\u524d\u5199\u6838\u7684\u65f6\u5019\uff0c\u5927\u591a\u6570\u90fd\u662f\u76f4\u63a5\u770b\u6ce2\u5f62\u6765\u68c0\u9a8c\u6b63\u786e\u6027\uff0c\u4e4b\u540e\u6709\u4e86\u66f4\u597d\u7684\u5b9a\u4f4dbug\u7684\u65b9\u5f0f\uff0cdifftest\uff0c\u4e8e\u662f\uff0c\u8fd9\u6b21\u6211\u4e5f\u4f7f\u7528cpp\u5199\u4e86\u4e00\u4e2a\u8f6f\u4ef6\u6a21\u62df\u7684ref model\uff0c\u5f53\u6fc0\u52b1\u6570\u636e\u751f\u6210\u540e\uff0c\u4e0d\u4ec5\u4f1a\u4e22\u7ed9dut\uff0c\u800c\u4e14\u4f1a\u540c\u6b65\u66f4\u65b0ref\uff0c\u7136\u540e\u5728\u4e24\u8005\u4e2d\u5bf9\u6bd4\u7ed3\u679c\uff0c\u53ef\u4ee5\u7701\u4e0b\u5f88\u591a\u770b\u6ce2\u5f62\u7684\u65f6\u95f4\uff08\u5176\u5b9e\u6211\u53d1\u73b0\u5728\u8d85\u6807\u91cf\u5904\u7406\u5668\u4e2d\u770b\u6ce2\u5f62\u662f\u4e00\u4ef6\u633a\u6076\u5fc3\u7684\u4e8b\u60c5\u7684\uff0c\u56e0\u4e3a\u4fe1\u53f7\u91cf\u662f\u539f\u6765\u7684\u4e09\u500d\uff08\u6211\u662f\u6682\u5b9a\u4e09\u53d1\u5c04\uff09\uff09<\/p>\n\n\n\n<p>\uff08\u68c0\u6d4b\u7684\u65f6\u5019\u51fa\u73b0\u4e86\u5f88\u591a\u7b14\u8bef\uff0c\u6211\u4f30\u8ba1\u4e0d\u662f\u7b14\u8bef\uff0c\u662fcursor\u7684\u81ea\u52a8\u8865\u5168\u6211\u6ca1\u770b\u6e05\u5c31\u70b9\u786e\u5b9a\u4e86\uff0c\u54ce\uff09<\/p>\n\n\n\n<p>\u6211\u5728\u60f3\u7740\u6d4brename\u7684commit\u7684\u65f6\u5019\u611f\u89c9\u8fd8\u662f\u6709\u70b9\u590d\u6742\uff0c\u56e0\u4e3a\u6211\u8fd8\u6ca1\u6765\u5f97\u53ca\u5b9e\u73b0ROB\uff0c\u5636\uff0c\u4f46\u662f\u6211\u53ef\u4ee5\u7528\u8f6f\u4ef6\u5b9e\u73b0rob\u7136\u540e\u4eff\u771f\u51fa\u90a3\u79cd\u6548\u679c<\/p>\n\n\n\n<p>\u7136\u540e\u57fa\u672c\u529f\u80fd\u5b9e\u73b0\u5b8c\u4e86\uff0c\u4e5f\u6d4b\u5b8c\u4e86\uff0c\u4e4b\u540e\u5f88\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662f\u51b2\u5237\u548c\u6062\u590d\u673a\u5236\u7684\u652f\u6301\u4e86\uff0c\u91cd\u547d\u540d\u9636\u6bb5\u5012\u662f\u4e0d\u9700\u8981\u8003\u8651flush\uff0c\u53ea\u9700\u8981\u5728\u9700\u8981flush\u7684\u65f6\u5019\u628a\u6240\u6709\u7684wen\u7f6e\u7a7a\u5c31\u597d\u4e86\uff0c\u4e3b\u8981\u662f\u8fd9\u4e2a\u6062\u590d\uff0c\u6211\u5230\u5e95\u9009\u62e9\u54ea\u4e00\u79cd\u65b9\u5f0f\u6062\u590d\uff0ccheckpoint\uff0cwalk\uff0c\u4ee5\u53ca\u7528archRAT\uff0c\u6211\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48checkpint\u8fd9\u4e48\u7b80\u5355\u7684\u5b9e\u73b0\u65b9\u5f0f\u4f3c\u4e4e\u5176\u4ed6\u961f\u4f0d\u90fd\u4e0d\u5b9e\u73b0\uff0c\u800c\u9009\u62e9walk\u8fd9\u4e9b\u66f4\u56f0\u96be\u7684\u65b9\u5f0f<\/p>\n\n\n\n<p>\u4e0d\u8fc7\u4e3a\u4e86\u4e00\u5f00\u59cb\u4e0d\u8e29\u5751\uff0c\u6211\u8fd8\u662f\u7528walk\u7684\u65b9\u5f0f\u5b9e\u73b0\u597d\u4e86<\/p>\n\n\n\n<p>\u6700\u540e\u4e00\u6b65\u5c31\u662f\u5728vivado\u4e2d\u5206\u6790\u65f6\u5e8f\u4e86\uff0c\u7531\u4e8e\u6211\u7684rename\u6a21\u5757\u662f\u5355\u5468\u671f\u7684\uff0c\u6240\u4ee5\u4f1a\u5bfc\u81f4vivado\u6ca1\u6709\u5f88\u597d\u7684\u529e\u6cd5\u5bf9\u65f6\u5e8f\u8fdb\u884c\u5206\u6790\uff0c\u6211\u628arename\u7684\u6240\u6709io\u90fd\u62c9\u5230\u9876\u5c42\uff0c\u4f46\u662f\u5728impl\u7684\u65f6\u5019\u62a5\u9519\uff0c\u8bf4io\u7aef\u53e3\u592a\u591a\u4e86\uff0c\u4f46\u662f\u6211\u53d1\u73b0\u5176\u5b9e\u5728\u7efc\u5408\u7684\u65f6\u5019\u5c31\u53ef\u4ee5\u770b\u65f6\u5e8f\u62a5\u544a\uff0c\u4f46\u662f\u8fd9\u4e2a\u65f6\u5e8f\u62a5\u544a\u53ef\u80fd\u5e76\u4e0d\u51c6\u786e\uff0c\u4e0d\u8fc7\u6211\u4e5f\u6ca1\u6709\u522b\u7684\u529e\u6cd5\u4e86\u5176\u5b9e\uff0c\u6700\u540e\u6211\u53d1\u73b0\u5173\u952e\u8def\u5f84\u662f\u5728\u8bfbfreelist\u65f6\uff0c\u6b64\u65f6freelist\u7684\u5927\u5c0f\u5176\u5b9e\u633a\u5927\u7684\uff0c\u6709128\uff0c\u4f46\u662f\u6211\u6362\u621064\u4e4b\u540e\uff0c\u53d1\u73b0\u8fd8\u53d8\u6162\u4e86\uff0c\u6211\uff1a\uff1f\uff1f\uff1f\uff1f\uff1f<\/p>\n\n\n\n<p>\u6211\u89c9\u5f97\u53ef\u80fd\u7684\u539f\u56e0\u662f\u6211\u662f\u7528\u7684reg\uff0c\u6240\u4ee5\u8fd9\u90e8\u5206\u7684\u8bfb\u903b\u8f91\u662f\u5e76\u884c\u7684\uff0c\u5373\u6709128bank\uff0c128\u4e2a\u8bfb\u53e3\uff0c\u4f46\u662f\u4e3a\u5565\u4f1a\u53d8\u6162\u6211\u6709\u70b9\u4e0d\u592a\u7406\u89e3\uff0c\u54ce\uff0c\u4e0d\u7ba1\u4e86\uff0c\u4e4b\u540e\u518d\u4f18\u5316\u5427\uff0c\u53cd\u6b63\u73b0\u5728\u6765\u770b100MHZ\u8fd8\u662f\u6709\u4e0d\u5c11\u4f59\u91cf\u7684<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Issue<\/mark><\/strong><\/h2>\n\n\n\n<p>\u9996\u5148\u662fAllocation\uff0c\u5176\u5b9e\u6211\u7684\u8bbe\u8ba1\u4e2d\u5e76\u6ca1\u6709\u4ec0\u4e48\u4e13\u95e8\u7684dispatch\u9636\u6bb5\uff0c\u4ecerename\u51fa\u6765\u7684\u6570\u636e\u4f1a\u5f88\u81ea\u7136\u7684\u9996\u5148\u548cROB\u8fde\u63a5\u5e76\u5199\u5165ROB\uff0c\u5e76\u884c\u8fdb\u5165\u53d1\u5c04\u7684\u7b2c\u4e00\u4e2a\u9636\u6bb5Allocation\uff0c\u6b64\u65f6\u4f1a\u505a\u6307\u4ee4\u7684\u5206\u7c7b\u7136\u540e\u5bf9\u4e0d\u540cRS\u7684\u5199\u5165\uff0c\u8fd9\u4e2a\u9636\u6bb5\u5176\u5b9e\u5c31\u662f\u4f20\u7edf\u7684dispatch\u9636\u6bb5\uff0c\u5f53\u7136\uff0c\u6211\u5728rename\u540e\u9762\u4f1a\u52a0\u4e00\u4e2a\u6d41\u6c34\u95f4\u5bc4\u5b58\u5668\u7684\uff0c\u6240\u4ee5\u5176\u5b9e\u6211\u662f\u628adispatch\u7684\u903b\u8f91\u5206\u5230\u4e86ROB\u548cAllocation\u4e24\u4e2a\u4e0d\u540c\u7684\u6a21\u5757\u4e2d\u5904\u7406<\/p>\n\n\n\n<p>xiangshan\u662f\u6709\u4e00\u4e2a\u4e13\u95e8\u7684dispatch\u6a21\u5757\u7684\uff0c\u6211\u8ba4\u4e3a\u6700\u4e3b\u8981\u7684\u539f\u56e0\u5c31\u662fRS\u7684\u5199\u53e3\u7684\u95ee\u9898\uff0c\u9999\u5c716\u53d1\u5c04\uff0c\u4ee5\u4e3a\u7740\u53ef\u80fd\u540c\u65f6dispatch 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o3-mini\uff0c\u771f\u7684\u633a\u806a\u660e\u7684\uff0c\u628aFIFO\uff0c\u4e71\u5e8fdeq 1 entry FIFO\uff0c\u4e71\u5e8fdeq \u591aentry FIFO\u7684\u5b9e\u73b0\u90fd\u7ed9\u6211\u8868\u8fbe\u4e86\u51fa\u6765\uff0c\u4f46\u662f\u4ed6\u662f\u6839\u636e\u539f\u5185\u5bb9\u76f4\u63a5\u505a\u4e00\u4e2a\u65b0\u7684\u7ed3\u6784\uff0c\u7136\u540e\u7528\u8fd9\u4e2a\u65b0\u7684\u7ed3\u6784\u6765\u66f4\u65b0\u539f\u6765\u7684FIFO\uff0c\ud83e\udd14\uff0c\u8fd9\u6837\u96be\u4ee5\u8868\u8fbe\u51fa\u4e00\u4e2a\u8bed\u4e49\uff0c\u5373\u6700\u591a\u7684\u7a7a\u6d1e\u662ffuNum\u4e2a\uff0c\u8fd9\u79cd\u65b9\u5f0f\u76f4\u63a5\u91cd\u65b0\u8c03\u6574\u4e86\uff0c\u6709\u4e00\u70b9\u70b9\u5bb3\u6015\u8fd9\u6837\u7684\u5b9e\u73b0\u4f1a\u5e26\u6765\u4e00\u4e9b\u95ee\u9898<\/p>\n\n\n\n<p>\u4e4b\u540e\u5176\u5b9e\u6709\u4e00\u4e2a\u60f3\u6cd5\uff0c\u5c31\u662f\u628a\u80fd\u5728\u5355\u5468\u671f\u5b8c\u6210\u7684\u6307\u4ee4\u4e0e\u4e58\u6cd5\u6307\u4ee4\u5206\u5f00\uff0c\u7528\u4e24\u4e2a\u4e0d\u540c\u7684RS\uff08\u51fa\u4e8e\u65f6\u5e8f\u7126\u8651\uff09\uff0c\u6211\u601d\u8003\u4e86\u4e00\u4e0b\u5e76\u6ca1\u6709\u53d1\u73b0\u53ef\u80fd\u6f5c\u5728\u7684\u6027\u80fd\u95ee\u9898\uff0c\u6bd4\u5982\u4e24\u4e2aalu\u7528\u4e24\u4e2aRS\uff0c\u5c31\u53ef\u80fd\u5b58\u5728\u4e00\u4e2aRS\u4e2d\u6709\u4e24\u4e2a\u6307\u4ee4\u51c6\u5907\u597d\u4e86\uff0c\u4f46\u662f\u4e00\u4e2a\u4e00\u4e2a\u90fd\u6ca1\u51c6\u5907\u597d\uff0c\u5c31\u4f1a\u635f\u5931\u90e8\u5206\u6027\u80fd\uff0c\u4f46\u662f\u5982\u679c\u662falu\u548cmdu\u5206\u5f00\u7684\u8bdd\uff0c\u5373\u4f7falu\u4e2d\u7684\u6709\u4e24\u4e2a\u6307\u4ee4\u51c6\u5907\u597d\u4e86\uff0c\u4e5f\u5176\u5b9e\u4e0d\u80fd\u653e\u5728mdu\u4e2d\u6267\u884c\uff0c\u5c31\u4e0d\u4f1a\u5b58\u5728\u95ee\u9898\uff0c\ud83e\udd14\uff0c\u6211\u611f\u89c9\u5927\u90e8\u5206\u7684\u8bbe\u8ba1\u4e2d\u628a\u8fd9\u4e24\u4e2a\u5408\u5e76\u6211\u8ba4\u4e3a\u662f\u5b83\u4eec\u8ba9mdu\u4e5f\u6709alu\u7684\u529f\u80fd\uff0c\u6765\u75af\u72c2\u538b\u69a8mdu\u7684\u529f\u80fd\uff0c\u4f46\u662f\u6211\u4eec\u5176\u5b9e\u6ca1\u6709\u9762\u79ef\u7126\u8651\u53ea\u6709\u65f6\u5e8f\u7126\u8651\uff0c\u6240\u4ee5\u6211\u8ba4\u4e3a\u662f\u53ef\u4ee5\u5206\u5f00\u7684\uff0c\u5206\u5f00\u4e4b\u540e\uff0c\u6211alu\u7684RS\u7684\u5355\u4e2a\u8868\u9879\u7684bit\u4f1a\u51cf\u5c11\u4e00\u70b9\uff0c\u53ef\u4ee5\u7f13\u89e3\u65f6\u5e8f\u538b\u529b<\/p>\n\n\n\n<p>\u5176\u5b9e\u653e\u5165RS\u4e4b\u524d\u9700\u8981\u80fd\u5bf9src\u7684ready\u4f4d\u8fdb\u884c\u6b63\u786e\u7684\u7f6e\u4f4d\uff0c\u4f46\u662f\u4ed6\u4eec\u53ef\u80fd\u4e00\u5f00\u59cb\u5e76\u6ca1\u6709\u83b7\u5f97\u5ef6\u8fdf\u5524\u9192\u7684\u798f\u5229\uff0c\u6240\u4ee5\uff0c\u6211\u4f7f\u7528\u4e00\u4e2ascoreboard\uff0c\u8bb0\u5f55\u6bcf\u4e00\u4e2a\u5bc4\u5b58\u5668\u7684valid\u548c\u5ef6\u8fdf\u5524\u9192\u7684\u65f6\u95f4\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fd9\u4e2ascoreboard\u9700\u8981\u63a5\u53d7\u4e09\u4e2a\u9636\u6bb5\u7684\u8bfb\u5199\uff0c1.\u6700\u5f00\u59cbdispatch\u7684\u65f6\u5019\uff0c\u5c06\u76f8\u5e94\u7684pdest\u7f6e0\uff0c\u8bfb\u51fa\u76f8\u5e94\u7684psrc\uff0c\u5982\u679c\u6b64\u65f6psrc\u662fvalid\u7684\uff0c\u5c31\u76f4\u63a5\u628a\u8fd9\u4e2a\u4fe1\u606f\u4f20\u7ed9RS\uff0c\u5982\u679cinflight\uff0c\u5c31\u628a\u5524\u9192\u65f6\u95f4\u548c\u5524\u9192valid\u4f20\u7ed9RS\uff1b2.wakeup\u7684\u65f6\u5019\uff0c\u8bfb\u5165pdest\uff0cdelay\uff0c\u7136\u540e\u7f6e\u4f4d\uff1b3.\u6700\u540ewriteback\u7684\u65f6\u5019\uff0c\u5373\u548c\u7269\u7406\u5bc4\u5b58\u5668\u66f4\u65b0\u7684\u540c\u65f6\uff0c\u66f4\u65b0\u76f8\u5e94\u7684\u9879\uff1b\u4e4b\u540e\u8fd8\u9700\u8981\u6062\u590d\u7684\u673a\u5236\uff08\u4f46\u662f\u6211\u611f\u89c9\u8fd9\u4e2a\u5e94\u8be5\u4e0d\u590d\u6742\uff0c\u53ea\u9700\u8981walk\u7684\u65f6\u5019\u628a\u76f8\u5e94\u7684\u8868\u9879\u7f6e\u7a7a\u5c31\u597d\uff09<\/p>\n\n\n\n<p>\u4e4b\u540e\u8fc7\u4e86\u51e0\u5929\u6ca1\u5199\u535a\u5ba2\uff0c\u73b0\u5728\u662f\u6253\u7b97\u6574\u5408\u4e00\u4e0b\u6a21\u5757<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Backend<\/mark><\/strong><\/h2>\n\n\n\n<p>\u4e4b\u540e\u5c31\u662f\u6682\u65f6\u5c06issue\uff0crename\u548crob\u6a21\u5757\u6574\u5408\u4e00\u4e0b\uff0c\u7136\u540e\u4e3a\u4ed6\u4eec\u4e09\u4e2a\u5199\u4e00\u4e2atestbench\uff0c\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u53d1\u5c04\u8fdb\u5165exu\u4e2d\u7684\u6570\u636e\u57fa\u672c\u6b63\u786e\u4e86<\/p>\n\n\n\n<p>\u6682\u65f6\u6d4b\u8bd5\u4e86\u4e00\u4e0b\uff0c\u611f\u89c9\u6ca1\u5565\u5927\u95ee\u9898<\/p>\n\n\n\n<p>\u6539pipline\u7684\u65f6\u5019\u53d1\u73b0\u4e86\u4e00\u4e9b\u95ee\u9898\uff0c\u61d2\u5f97\u5199\u601d\u8003\u8fc7\u7a0b\u4e86\uff0c\u4f46\u662f\u57fa\u672c\u7684\u5212\u5206\u662f\u53ea\u5728rename\u4e4b\u540e\u5212\u4e00\u4e2a\uff0c\u7136\u540e\u5728regfile read\u524d\u9762\u5212\u4e00\u4e2a\uff0c\u8fd9\u4e2a\u65f6\u5019\u6709\u4e24\u4e2a\u5e76\u884c\u7684\u8def\u5f84\uff0c\u7b2c\u4e00\u4e2a\u662fallocate\uff0c\u7b2c\u4e8c\u4e2a\u662fselect+wakeup\uff0c\u4ed6\u4eec\u76f4\u5230\u5728\u6784\u9020newRS\u7684\u65f6\u5019\u672c\u6765\u90fd\u4e0d\u5e94\u8be5\u6709\u4ea4\u96c6\u7684\uff0c\u7136\u540e\u4ed6\u4eec\u90fd\u6709\u53ef\u80fd\u6210\u4e3a\u5173\u952e\u8def\u5f84\uff0c\u4f46\u662f\u6211\u5ffd\u7136\u53d1\u73b0\uff0c\u5982\u679c\u5728\u6b64\u5468\u671fwakeup\u7684\u5bc4\u5b58\u5668\u4e2d\uff0c\u5b58\u5728\u4e00\u4e2a\u5bc4\u5b58\u5668\u6b63\u597d\u53ef\u4ee5wakeup\u6b63\u5728allocate\u7684\u67d0\u4e2asrc\u5bc4\u5b58\u5668\uff0c\u8be5\u600e\u4e48\u529e\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u4e24\u4e2a\u8def\u5f84\u63d0\u524d\u76f8\u4ea4\uff0c\u6050\u6015\u4f1a\u4e0d\u597d\uff08\u5176\u5b9e\u81f3\u6b64\u90fd\u662f\u7eb8\u4e0a\u8c08\u5175\uff0c\u8fd8\u6ca1\u6d4b\u8fc7\u8def\u5f84\u957f\u5ea6\u7684\uff09<\/p>\n\n\n\n<p>\u8ba9\u6211\u597d\u597d\u601d\u8003\u4e00\u4e0b\u8fd9\u4e2a\u8def\u5f84\uff0c\u9996\u5148deq\u4ea7\u751f\u4e4b\u540e\uff08\u5373select\u5f97\u5230\u7ed3\u679c\u540e\uff09&#8212;&gt;\u9996\u5148\u4f1a\u6839\u636edeqIdx\u8fdb\u884c\u538b\u7f29\u7684\u8ba1\u7b97\uff0c\u5f97\u5230\u4e00\u4e2a\u57fa\u672c\u7684newRS\uff0c\u8fd9\u6bb5\u903b\u8f91\u6211\u8ba4\u4e3a\u53ef\u80fd\u4f1a\u6bd4\u8f83\u8017\u65f6\uff0c\u7136\u540edeq\u4ea7\u751f\u4e4b\u540e\uff0c\u5176\u5b9e\u53ef\u4ee5\u5e76\u884c\u7684\u53bb\u6784\u9020newEnqEntry\uff08\u5728\u6ca1\u6709\u4e0a\u9762\u4ea7\u751f\u7684\u95ee\u9898\u4e4b\u524d\uff0c\u5176\u5b9enewEnqEntry\u53ea\u9700\u8981allocate+sb\u90e8\u5206\u7684\u5ef6\u8fdf\uff09\uff0cso\uff0c\u5982\u679c\u4e0a\u9762\u90a3\u6bb5\u957f\u903b\u8f91\u786e\u5b9e\u8db3\u591f\u8017\u65f6\u7684\u8bdd\uff0c\u4f3c\u4e4e\u4e0a\u9762\u90a3\u4e2a\u95ee\u9898\u786e\u5b9e\u53ef\u4ee5\u5f97\u5230\u89e3\u51b3\u4e86\uff0c\u800c\u5982\u679c\u4e0d\u591f\u8017\u65f6\uff0c\u6211\u8fd8\u53ef\u4ee5\u589e\u52a0rsDepth\u6765\u5f3a\u884c\u5bf9\u5176\u4ed6\u8def\u5f84\u8fdb\u884c\u63a9\u76d6\uff08\u524d\u63d0\u662f\u5728100mhz\u4ee5\u5185\uff0c\u6240\u4ee5\u5176\u5b9e\u6211\u4e00\u76f4\u5728\u7eb8\u4e0a\u8c08\u5175\uff09<\/p>\n\n\n\n<p>\u8fd9\u91cc\u4f1a\u5b58\u5728\u4e24\u4e2a\u5e76\u884c\u7684\u903b\u8f91\uff0c\u9996\u5148allocate+sb\u540c\u65f6\u8bfb\u53d6\u5e76\u9009\u62e9\u4ea7\u751f\u57fa\u672cnewEnqEnrty  \u548c  \u4ecersData\u4e2d\u8bfb\u53d6+select\u4ef2\u88c1\uff0c\u7b2c\u4e8c\u4e2a\u662fdeq\u6765\u5bf9newEnqEnrty\u8fdb\u4e00\u6b65\u52a0\u5de5  \u548c  deq\u6765\u5bf9rsData\u8fdb\u884c\u538b\u7f29<\/p>\n\n\n\n<p>\u5176\u5b9e\u6211\u89c9\u5f97\u95ee\u9898\u4e0d\u5927\uff0cdeq\u6bd5\u7adf\u4e0d\u9700\u8981\u4f9d\u8d56\u4efb\u4f55\u5176\u4ed6\u8def\u5f84\uff0c\u800c\u4e14allocate+sb\u4e00\u5f00\u59cb\u53ef\u80fd\u4f1a\u8017\u65f6\u66f4\u591a\uff0c\u6240\u4ee5\u611f\u89c9\u7406\u8bba\u5206\u6790\u95ee\u9898\u4e0d\u5927<\/p>\n\n\n\n<p>\u4e00\u56de\u53bb\u5206\u6790\u5929\u584c\u4e86\uff0c\u5728\u6ca1\u6709\u964d\u4f4e\u53c2\u6570\u524d\uff0clut\u76f4\u63a5140%\uff0c\u9891\u7387\u4e5f-11\uff08100mhz\uff09\uff0c\u5728\u628aaluRS\u7684\u5927\u5c0f\u6539\u62108\uff0calu\u6570\u91cf\u6539\u62102\uff0clsuRS\u7684\u5927\u5c0f\u6539\u62108\u4e4b\u540e\uff0clut\u572844%\u5de6\u53f3\uff0c\u9891\u7387\u5728-3.5\u5de6\u53f3\uff0c\u4f46\u662f\u6211\u611f\u89c9alu\u4e3a2\u662f\u4e0d\u662f\u4e0d\u592a\u591f\uff0c\u5982\u679c\u662f3\u7684\u8bdd\uff0c\u9891\u7387\u5728-4.5\u5de6\u53f3\uff0c\u9891\u7387\u5dee\u4e0d\u591a70mhz\u5427\uff0c\u5173\u952e\u8def\u5f84\u662f\u5728\u4ef2\u88c1+\u5524\u9192\uff0c\u4f3c\u4e4e\u4e5f\u662f\u53ef\u4ee5\u9884\u6599\u5230\u7684\uff0c\u6240\u4ee5\u6211\u9700\u8981\u8fdb\u884c\u4f18\u5316<\/p>\n\n\n\n<p>\u4f46\u662f\u5728\u4f18\u5316\u4e4b\u524d\u6211\u5e94\u8be5\u628a\u529f\u80fd\u4fee\u7f2e\u4e00\u4e0b\uff0c\u6bd4\u5982\u6211\u9700\u8981\u5728\u5176\u4e2d\u505aregfile\u7684\u8bfb\u53d6\u6d41\u6c34\u5316\uff0c\u4fee\u6539\u4e3a\u6d41\u6c34\u5316\u9700\u8981\u77e5\u9053\u4e24\u4e2a\u6d41\u6c34\u7ea7\u4e4b\u95f4\u7684\u6570\u636e\u4ea4\u6d41<\/p>\n\n\n\n<p>ok\uff0c\u5176\u5b9e\u8fd8\u5dee\u4e00\u4e2a\u529f\u80fd\uff0c\u4e5f\u662f\u6700\u91cd\u8981\u7684\u4e00\u4e2a\u529f\u80fd\uff0c\u5c31\u662flsuRS\u7684\u5524\u9192\uff0c\u8fd9\u4e2a\u5524\u9192\u4e0d\u4ec5\u9700\u8981\u5355\u72ec\u5199\u4e00\u4e2aRS\uff0c\u8fd8\u9700\u8981\u5355\u72ec\u5199\u5b83\u7684wakeup bus\uff0c\u56e0\u4e3a\u5b83\u7684wakeup\u9700\u8981\u4f20\u9012lpv\u5e76\u4e14\u8fd8\u662f\u63a8\u6d4b\u5524\u9192\uff0c\u4e5f\u5c31\u662f\u5728\u6211\u7684\u8bbe\u8ba1\u4e2d\uff0c\u88ablsu\u5524\u9192\u7684\u6307\u4ee4\u90fd\u53ea\u80fd\u5728\u88ab\u63a8\u65ad\u6210\u529f\u4e4b\u540e\u624d\u79bb\u5f00\u53d1\u5c04\u961f\u5217\uff0c\u5373cache\u9700\u8981\u7ed9\u6211hit or miss\u7684\u54cd\u5e94\uff0c\u7136\u540e\u6839\u636e\u5b83\u7ed9\u6211\u7684\u7f16\u53f7\u53bb\u67e5\u627e\uff0c\u5982\u679c\u6b64\u65f6\u8fd9\u6761\u6307\u4ee4\u5df2\u7ecf\u88abissued\u4e86\uff0c\u5c31\u9700\u8981\u628a\u8fd9\u4e2aissued\u7f6e1\uff0c\u6b64\u65f6\u5176\u5b9e\u8fd8\u9700\u8981\u540c\u6b65\u7684\u5bf9\u540e\u9762\u51e0\u4e2a\u6d41\u6c34\u7ea7\u4e2d\u7684\u6307\u4ee4\u8fdb\u884c\u9009\u62e9\u6027\u7684flush<\/p>\n\n\n\n<p>\u6240\u4ee5\u666e\u901a\u7684RS\u8fd8\u9700\u8981\u6709\u8fd9\u4e48\u51e0\u9879\u529f\u80fd<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u6709\u6709\u4e00\u4e2a\u7279\u6b8a\u7684wakeup bus\uff0c\u5982\u679c\u662f\u8fd9\u4e2abus\u53d1\u51fa\u7684\u8bf7\u6c42\u5524\u9192\u7684\u6307\u4ee4\uff0c\u5728\u88abselect\u4e4b\u540e\u90fd\u4e0d\u4f1a\u5f39\u51faRS\u4e2d\uff08\u901a\u8fc7\u5bf9lpv\u7684\u6240\u6709\u4f4d\u505a\u6216\u64cd\u4f5c\uff09\uff0c\u53ea\u662f\u628aissued\u7f6e1\u2611\ufe0f<\/li>\n\n\n\n<li>\u7279\u6b8a\u7684wakebus\u5bfc\u81f4\u7684wakeup\u9700\u8981\u5bf9lpv\u8d4b\u503c\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u63a5\u6536cache\u7ed9\u7684pdest\u6307\u4ee4\u7f16\u53f7\uff08\u6216\u8005\u7528lpv\u7684\u6700\u4f4e\u4f4d\u5224\u65ad\uff09\u4ee5\u53cahit miss\u7684\u4fe1\u53f7\uff0c\u7136\u540e\u5982\u679c\u662fhit+issued\uff0c\u5c31\u76f4\u63a5\u6e05\u7406\u6389\u5c31\u597d\uff0c\u5982\u679c\u662fhit+no issued\uff0c\u5e76\u628a\u6700\u4f4e\u4f4d\u7684lpv\u7f6e0\uff0c\u5982\u679cmiss+issued\uff0c\u5c31\u628asrcmatch\u548csrcShift=0\uff0c\u5e76\u628aissue=0\uff0c\u5982\u679cmiss+no issued\uff0c\u5c31\u628a\u524d\u4e24\u4e2a\u4fe1\u53f7\u7f6e0\u5373\u53ef\u2611\ufe0f<\/li>\n\n\n\n<li>\u5728wb\u4fe1\u53f7\u6765\u7684\u65f6\u5019\uff0c\u8fd8\u9700\u8981\u505a\u4e00\u6b21\u5524\u9192\u2611\ufe0f<\/li>\n\n\n\n<li>\u4f3c\u4e4e\u6bcf\u4e00\u4e2asrc\u90fd\u9700\u8981\u4e00\u4e2alpv\u4f46\u662f\u6211\u73b0\u5728\u53ea\u6709\u4e00\u4e2a\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u6709lpv\u7684shift\u903b\u8f91\u2611\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>\u53d1\u5c04\u4e4b\u540e\u7684\u6d41\u6c34\u7ea7\u90fd\u9700\u8981\u4e00\u4e9b\u65b0\u7684\u903b\u8f91<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u63a5\u6536cache\u7684miss\u4fe1\u53f7\uff0c\u5e76\u6839\u636elpv\u7684\u503c\u6765\u9009\u62e9\u6027\u7684flush\u6389\u67d0\u4e9b\u6307\u4ee4<\/li>\n<\/ul>\n\n\n\n<p>\u65b0\u7684lsuRS\u9700\u8981\u4e00\u4e9b\u65b0\u7684\u903b\u8f91<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u88ab\u9009\u62e9\u4e4b\u540e\u53d1\u9001\u5230wakupbus\u65f6\u9700\u8981\u5c06lpv\u8d4b\u503c\u4e3a\u6b63\u786e\u7684\u503c\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u6709\u65b0\u7684\u9009\u62e9\u903b\u8f91\uff0c\u6309\u7167store\u6765\u5206\u7ec4\u9009\u62e9\u2716\ufe0f\uff08\u8fd9\u4e2a\u88ab\u6682\u65f6\u5b9e\u73b0\u4e3a\u987a\u5e8f\u53d1\u5c04\uff09<\/li>\n<\/ul>\n\n\n\n<p>scoreboard\u540c\u6837\u9700\u8981\u4fee\u6539\u67d0\u4e9b\u903b\u8f91<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728wb\u4fe1\u53f7\u6765\u7684\u65f6\u5019\uff0c\u9700\u8981\u505a\u4e00\u4e2a\u5524\u9192\u2611\ufe0f<\/li>\n\n\n\n<li>\u540c\u6837\u9700\u8981\u63a5\u6536cache\u7684\u4fe1\u53f7\u5e76\u6839\u636ehit\/miss\u7684\u4fe1\u53f7\u5bf9\u67d0\u4e9bhave wakeuped\u7684\u4fe1\u53f7\u91cd\u65b0\u7f6e0\uff08srcmatch\u548csrcShift\u7f6e0\uff09\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u6709lpv\u7684shift\u903b\u8f91\u2611\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>\u53c2\u89c2\u4e86\u4e00\u4e0bxiangshan\u7684\u6700\u65b0\u7248\u6587\u6863\uff0c<a href=\"https:\/\/docs.xiangshan.cc\/projects\/design\/zh-cn\/latest\/backend\/\">https:\/\/docs.xiangshan.cc\/projects\/design\/zh-cn\/latest\/backend\/<\/a><\/p>\n\n\n\n<p>\u6211\u5ffd\u7136\u53d1\u73b0\u53ef\u4ee5\u628aregfileRead\u548c\u65c1\u8def\u8fde\u5728\u4e00\u8d77<\/p>\n\n\n\n<p>\u8bb0\u5f55\u4e00\u4e2aTODO\uff1a\u9700\u8981\u5b9e\u73b0cache\u7684\u63d0\u9192\u673a\u5236\uff08\u73b0\u5728\u662f\u786e\u5b9a\u5468\u671f\uff09<\/p>\n\n\n\n<p>\u4f3c\u4e4e\u8fd9\u4e2a\u63a8\u6d4b\u5524\u9192\u8fd8\u662f\u6709\u70b9\u95ee\u9898\uff0c\u9700\u8981\u6269\u5c55\u6211\u7684\u529f\u80fd\u5982\u4e0b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u80fd\u8bc6\u522b\u51faload\/store\u6307\u4ee4\uff0c\u5728store\u6307\u4ee4\u65f6\uff0c\u4e0d\u53d1\u51fadelay\u4fe1\u53f7\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u652f\u6301n\u6761load\u6307\u4ee4\uff0c\u8fd9\u9700\u8981\u6211\u6709\u591a\u4e2alpv\uff0c\u5e76\u4e14\u544a\u8bc9\u6211cacheinfo\u7684\u65f6\u5019\u4e5f\u9700\u8981\u591a\u6761\uff0c\u6bcf\u4e2alpv\u662f\u72ec\u7acb\u7684\u2611\ufe0f<\/li>\n\n\n\n<li>\u6309\u7167\u8bbf\u5b58\u90a3\u8fb9\u7ed9\u6211\u7684valid\u5468\u671f\u6765\u786e\u5b9a\u662flpv\u7684\u7b2c\u51e0\u4e2a\u5468\u671f\u62ff\u5230\u4e86hit\/miss\u4fe1\u53f7\uff0c\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u6e05\u7406\u2611\ufe0f<\/li>\n\n\n\n<li>\u9700\u8981\u6709flush\u56de\u53d1\u5c04\u961f\u5217\u7684\u673a\u5236\uff0c\u5373\u6240\u6709\u9636\u6bb5\u90fd\u9700\u8981\uff08\u5b9e\u9645\u4e0a\u662fSW\u7a97\u53e3\u9700\u8981\uff09<\/li>\n\n\n\n<li>\uff08\u9009\uff1a\u53ef\u80fd\u9700\u8981\u591a\u4e00\u4e2areplay queue\uff1f\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u73b0\u5728\u57fa\u672c\u4e0a\u5c31\u662f\u53ea\u5269\u4e0bflush\u548creplay\u4e24\u4e2a\u673a\u5236\u4e86\uff0c\u4e4b\u540e\u5c31\u662f\u7b49\u5f85\u4ed6\u4eec\u628afu\u90fd\u7ed9\u6211\uff0c\u7136\u540e\u6211\u6765\u7edf\u4e00\u6d4b\u8bd5backend\u4e86<\/p>\n\n\n\n<p>\u8fd9\u4e24\u4e2a\u673a\u5236\u5bf9\u4e8e\u6240\u6709\u6a21\u5757\u90fd\u9700\u8981\u8fdb\u884c\u5b9e\u73b0\uff0c\u9996\u5148\u662fflush\uff0c\u57fa\u672c\u5c31\u4e24\u4ef6\u4e8b\u60c5<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u4e8e\u5b58\u5728\u65f6\u5e8f\u903b\u8f91\u7684\u90e8\u4ef6\uff0c\u5f53\u524d\u5468\u671fflush\u4fe1\u53f7\u5230\u6765\u65f6\uff0c\u9700\u8981\u505c\u6b62\u6240\u6709\u7684\u5199\u5165\u903b\u8f91<\/li>\n\n\n\n<li>\u5bf9\u4e8e\u63e1\u624b\uff0c\u9700\u8981\u5728\u5f53\u524d\u5468\u671f\u5c06\u63e1\u624b\u7f6e\u4e3a\u65e0\u6548<\/li>\n<\/ul>\n\n\n\n<p>\u5355\u5468\u671f\u7684\u7eaf\u7ec4\u5408\u903b\u8f91\u5e76\u6ca1\u6709flush\u7684\u6982\u5ff5\uff0c\u6240\u4ee5decoder\u53ef\u4ee5\u4e0d\u7528\u7ba1\u8fd9\u4e2a\u4fe1\u53f7\uff0crename\u6a21\u5757\u5462\uff0c\u5176\u5b9e\u4e5f\u662f\u5355\u5468\u671f\u5c31\u53ef\u4ee5\u5b8c\u6210\u7684\uff0c\u6240\u4ee5\u5e76\u4e0d\u9700\u8981\u7b2c\u4e8c\u4e2a\uff0c\u53ea\u9700\u8981\u505c\u6b62\u6240\u6709\u5199\u5165\u903b\u8f91\uff0c\u4f46\u662f\uff0c\u6211\u7684rename\u63d0\u524d\u5b9e\u73b0\u4e86replay\u673a\u5236\uff0c\u6240\u4ee5\u5f53replay\u548cflush\u540c\u65f6\u5230\u6765\u65f6\uff0cflush\u6211\u8ba4\u4e3a\u4e0d\u80fd\u963b\u6b62replay\u7684\u5199\u5165\uff0cflush\u80fd\u505a\u7684\u5c31\u662f\u963b\u6b62\u666e\u901a\u6570\u636e\u7684\u5199\u5165\uff0c\u6b64\u65f6robcommit port\u53ef\u80fd\u4f1a\u5c1d\u8bd5\u66f4\u65b0freelist\uff0crelease\u6389\u4e00\u4e9b\u4e0d\u9700\u8981\u7528\u7684preg\uff0c\u6b64\u65f6flush\u5e94\u4e0d\u5e94\u8be5\u963b\u6b62\u5462\uff0c\u8ba9\u6211\u601d\u8003\u4e00\u4e0b\uff0c\u6211\u4e2a\u4eba\u8ba4\u4e3a\uff0cflush\u4fe1\u53f7\u4ee3\u8868\u7684\u662f\u6d41\u6c34\u7ea7\u7684flush\uff0c\u8fd9\u79cdrob\u7684\u4fe1\u53f7\u5916\u63a5\u8fdb\u6765\u7684\u5e94\u8be5\u7531rob\u81ea\u5df1\u8d1f\u8d23\uff0c\u6240\u4ee5\u4e0d\u9700\u8981\u7ba1<\/p>\n\n\n\n<p>\u5230\u4e86issue\u90e8\u5206\uff0c\u5b83\u7684flush\u53c8\u5b58\u5728\u4e00\u4e9b\u65b0\u7684\u95ee\u9898\uff0c\u6839\u636e\u4e0a\u9762\u8bf4\u7684\u6d41\u6c34\u7ea7\u7684flush\uff0c\u4efb\u4f55\u5916\u90e8\u7684\u98de\u7ebf\u6211\u90fd\u8ba4\u4e3a\u4ed6\u4eec\u4e0d\u5c5e\u4e8e\u6211\u8fd9\u4e2a\u6d41\u6c34\u7ea7\uff0c\u6bd4\u5982wb\u6765\u7684\u98de\u7ebf\uff0c\u6211\u8ba4\u4e3a\u5b83\u662f\u5c5e\u4e8ewb\u6d41\u6c34\u7ea7\u7684\uff0c\u5e94\u8be5\u5728wb\u6d41\u6c34\u7ea7\u4e2d\u5b58\u5728flush\u65f6\u5c06\u53d1\u8fc7\u6765\u7684valid\u7f6e0\uff0c\u4f46\u662f\u73b0\u5728\u53c8\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u6211\u7684flush\u51b2\u6389\u7684\u662f\u6211\u7684in\u5e26\u6765\u7684\u4efb\u4f55\u5f71\u54cd\uff0c\u4f46\u662f\u6b64\u65f6\uff0c\u6211\u7684out\u5374\u5b8c\u5168\u548cin\u65e0\u5173\uff08rs\u7684\u53d1\u5c04\u5b8c\u5168\u662f\u6839\u636ers\u6765\u505a\u7684\uff0c\u548cin\u6ca1\u5173\u7cfb\uff09\uff0c\u8fd9\u4e2a\u65f6\u5019\u9700\u8981\u963b\u585eout\u561b\uff1f\u6211\u8ba4\u4e3a\u662f\u4e0d\u9700\u8981\u7684\uff0c\u6240\u4ee5issue\u9636\u6bb5\u7684scheduler\u7684flush\u9996\u5148\u5bf9\u4e8ers\uff0c\u5c31\u662f\u963b\u6b62enq\uff0c\u5f53\u7136scheduler\u9636\u6bb5\u8fd8\u6709\u4e00\u4e2ascoreboard\uff0c\u4f46\u662f\u8fd9\u4e2a\u53ea\u8981\u963b\u6b62\u5199\u5165\u5c31\u597d<\/p>\n\n\n\n<p>\u4e4b\u540e\u5c31\u662fReplay\u4e86\uff0c\u5176\u5b9e\u5c31\u662f\u5904\u7406\u5668\u72b6\u6001\u7684\u56de\u6eaf\uff0cflush\u662f\u963b\u6b62\u5f53\u524d\u5468\u671f\u7684\u5199\u5165\uff0c\u4f46\u662freplay\u662f\u5bf9\u5df2\u7ecf\u5199\u5165\u5904\u7406\u5668\u72b6\u6001\u7684\u4e00\u79cd\u6062\u590d\uff0c\u6211\u7684rename\u662f\u901a\u8fc7walk\u7684\u65b9\u5f0f\u8fdb\u884creplay\u7684\uff0c\u5373\u6bcf\u5468\u671f\uff0c\u901a\u8fc7rob\u7684\u4e09\u4e2acommit\u53e3\uff0c\u53d1\u9001\u4e09\u6761\u643a\u5e26\u4fe1\u606f\u7684walk\u4fe1\u606f\uff0c\u6b64\u65f6\u6bcf\u5468\u671f\uff0crob\u90fd\u65e0\u6cd5\u505acommit\uff0c\u6240\u6709\u90e8\u4ef6\uff08\u6709\u5b58\u50a8\u72b6\u6001\u7684\u90e8\u4ef6\uff09\u90fd\u9700\u8981\u80fd\u63a5\u6536\u8fd9\u4e2a\u4fe1\u53f7\uff0c\u6765\u901a\u8fc7\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u72b6\u6001\u6062\u590d\uff0c\u6211\u7684rat\u5df2\u7ecf\u6709\u8fd9\u4e2a\u673a\u5236\u4e86\uff0c\u4f46\u662f\u4f3c\u4e4efreelist\u8fd8\u6ca1\u6709\u5b9e\u73b0\u8fd9\u4e2a\u673a\u5236\uff0c\u8ba9\u6211\u770b\u770b\uff0cfreelist\u2611\ufe0f\uff0cRS\u2611\ufe0f\uff0cScoreBoard\u2611\ufe0f\uff0cregfile\uff0c\u8fd9\u51e0\u4e2a\u90fd\u9700\u8981\u5b9e\u73b0\u8fd9\u4e2a\u673a\u5236<\/p>\n\n\n\n<p>\u4e00\u5f00\u59cb\u82e6\u607cregfile\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e2a\u673a\u5236\uff0c\u56e0\u4e3awriteback\u628a\u6570\u636e\u5199\u5165\u4e4b\u540e\uff0c\u4e4b\u524d\u7684\u6570\u636e\u5c31\u4e0d\u53ef\u5f97\u4e86\uff0c\u4f46\u662f\u6211\u5ffd\u7136\u53d1\u73b0\u4e00\u4ef6\u4e8b\uff0c\u5047\u5982\u8fd9\u4e2a\u6307\u4ee4\u88ab\u6e05\u7406\u4e86\uff0c\u90a3regfile\u4e2d\u7684\u503c\u6839\u672c\u5c31\u4e0d\u4f1a\u518d\u88ab\u4f7f\u7528\u4e86\u624d\u5bf9\uff0c\u6240\u4ee5\u6211\u6839\u672c\u4e0d\u9700\u8981\u5bf9regfile\u505a\u6e05\u7406\uff0c\u8fd9\u4e5f\u662frename\u5e26\u6765\u7684\u597d\u5904\uff08\u5373\u53ea\u9700\u8981\u7ef4\u62a4rat\u5373\u53ef\uff09<\/p>\n\n\n\n<p>\u4e4b\u540e\u6211\u7684\u8fdb\u5ea6\u4f1a\u88abstall\uff0c\u56e0\u4e3a\u961f\u53cb\u8fd8\u6ca1\u6709\u7ed9\u6211fu\uff0c\u6211\u6253\u7b97\u7528\u4e00\u4e0b\u4e4b\u524d\u81ea\u5df1\u5199\u7684alu\u6765\u8fdb\u884c\u7b2c\u4e00\u8f6e\u6d4b\u8bd5\uff0c\u6700\u4e3b\u8981\u7684\u662f\u6253\u7b97\u5b8c\u5584\u6211\u7684trace\u7cfb\u7edf\uff0c\u4e4b\u540e\u53ef\u4ee5\u8212\u670d\u7684debug<\/p>\n\n\n\n<p>\u6211\u770b\u4e86\u4e00\u4e0b\u9999\u5c71\u7684logutils\uff0c\u611f\u89c9\u8fd8\u662f\u4e0d\u592a\u9002\u5408\u6211\uff0c\u6211\u60f3\u6253\u5370\u51famd\u683c\u5f0f\u7684trace\u7136\u540e\u8212\u670d\u7684debug\uff0c\u6211\u611f\u89c9\u5728\u7edf\u4e00\u6240\u6709\u7684trace\u4e4b\u524d\uff0c\u6211\u53ef\u4ee5\u4e3a\u6bcf\u4e00\u4e2a\u6a21\u5757\u5199\u51fa\u5b83\u81ea\u5df1\u7684trace\uff0c\u73b0\u6709\u7684trace\u662f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>issue module \u7684RS\u548cwakeupbus<\/li>\n\n\n\n<li>spec RAT<\/li>\n\n\n\n<li>scoreBoard\u76f4\u63a5\u88ab\u6253\u5370\u51fa\u6765<\/li>\n<\/ul>\n\n\n\n<p>\u4f46\u662f\u5bf9\u4e8e\u6211\u7684\u540e\u7aef\uff0c\u6709\u4e00\u4e9b\u5176\u4ed6\u7684trace\u4f1a\u66f4\u6709\u7528<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ROB\u4fe1\u606f<\/li>\n\n\n\n<li>\u5bc4\u5b58\u5668\u72b6\u6001\uff08\u8981\u4ece\u6211\u7684\u540e\u7aef\u4e2d\u8bfb\u51fa\u5bc4\u5b58\u5668\u72b6\u6001\uff0c\u9700\u8981\u505a\u4e24\u6b21\u5bfb\u5740\uff0c\u9996\u5148\u5bf9Arch RAT\u8fdb\u884c\u5bfb\u5740\uff0c\u627e\u5230\u5bf9\u5e94\u7684\u7269\u7406\u5bc4\u5b58\u5668\u4e4b\u540e\u518d\u53bb\u8bfbregfile\u6765\u8bfb\u51fa\u5185\u5bb9\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4f46\u662f\u6211\u8ba4\u4e3a\u53ea\u6839\u636etrace\u548c\u6ce2\u5f62debug\u8fd8\u662f\u592a\u8822\u4e86\uff0c\u6211\u73b0\u5728\u7684Backend\u5df2\u7ecf\u6709\u4e86\u53ef\u4ee5\u63a5\u5165difftest\u7684\u80fd\u529b\uff0c\u53ef\u4ee5\u8ba9difftest\u6765\u81ea\u52a8\u5316\u627ebug\uff0c\u7136\u540e\u51fa\u73b0bug\u4e4b\u540e\u518d\u4f7f\u7528trace\u548c\u6ce2\u5f62\u6765debug<\/p>\n\n\n\n<p>\u4e3a\u4e86\u79fb\u690dchiplab\u7684difftest\u6846\u67b6\uff0c\u6211\u8c8c\u4f3c\u5f97\u8bfb\u8bfb\u5b83\u7684\u4ee3\u7801\uff0c\uff0c\u6709\u70b9\u75db\u82e6\u8bf4\u5b9e\u8bdd\uff0c\u5b83\u662f\u7528cpp\u5199\u7684tb\uff0c\u7136\u540e\u5728\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\u4e2d\u4e0d\u65adstep\uff0c\u5e94\u8be5\u662f\u6bcf\u5faa\u73af\u4e00\u6b21clock\u5f80\u524d\u8fdb\u4e00\u6b65\uff0c\u7136\u540e\u5728\u5faa\u73af\u4e2d\u4f1a\u8c03\u7528emu\u7684process\uff0c\u7136\u540e\u8c03\u7528disstestmaneger\u7684step\uff0c\u6700\u540e\u8c03\u7528difftest\u7684step\uff0c\u6700\u540e\u901a\u8fc7\u8c03\u7528do_instr_commit\u6765commit\u6307\u4ee4\uff0c\u5e76\u4e14\u4e4b\u540e\u8fd8\u4f1a\u505acompare\uff0c\u7136\u540edpic\u5b9e\u9645\u4e0a\u548c\u5b83\u7684\u4ea4\u4e92\u662f\u901a\u8fc7\u4fee\u6539\u5176\u4e2d\u7684\u72b6\u6001\uff0c\u5c31\u662f\u4f1a\u548cstep\u7684\u903b\u8f91\u5206\u79bb<\/p>\n\n\n\n<p>\u4e4b\u540e\u6211\u5728macos\u4e0a\u8dd1\u8fd9\u4e2achiplab\u7684\u4eff\u771f\uff0c\u8bb0\u5f55\u4e00\u4e0b\u8e29\u7684\u51e0\u4e2a\u5751<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u5f00\u59cb\u7684\u7f16\u8bd1verilog\u4f1a\u6709\u63d0\u793a\u8bf4\u8981\u7528c++14\u4ee5\u4e0a\uff08\u5f53\u4f7f\u7528veriator\u9ad8\u7248\u672c\u65f6\uff09\uff0c\u9700\u8981\u5728flag\u4e2d\u52a0-CFALGS -std=c++14<\/li>\n\n\n\n<li>\u4e4b\u540e\u8bf4\u627e\u4e0d\u5230\u5934\u6587\u4ef6\uff0c\u9700\u8981\u6b63\u786e\u5199\u51faverilator\u7684\u5bb6\u76ee\u5f55\uff0c\u6700\u597d\u4f7f\u7528\u8fd9\u4e2aVERILATOR_HOME=$(shell verilator &#8211;getenv VERILATOR_ROOT)<\/li>\n\n\n\n<li>\u4e4b\u540e\u6211\u7684macos\u6ca1\u6709loogn\u7684\u5de5\u5177\u94fe\uff0c\u4fee\u6539makefile\uff0c\u4f7f\u7528orbstack\u865a\u62df\u673a\u8fd0\u884c\u4ea4\u53c9\u7f16\u8bd1\u9636\u6bb5\uff0c<code>orb zsh -i -c \"loongarch32r-linux-gnusf-gcc <\/code>&#8230; \u4e4b\u6240\u4ee5\u4f7f\u7528zsh -i -c\u662f\u56e0\u4e3aorb\u7684\u975e\u4ea4\u4e92\u5f0f\u7684shell\u8c8c\u4f3c\u627e\u4e0d\u5230\u8fd9\u4e2a\u7a0b\u5e8f\uff08\u5373\u4f7f\u8bbe\u7f6e\u4e86PATH\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u8fd8\u662f\u6709\u70b9\u5bc4\uff0c\u4e4b\u540e\u8fd0\u884c\u65f6\u62a5\u9519The current platform is not supported\uff0c\u539f\u56e0\u662fla32r-nemu-interpreter-so\u6ca1\u6709macos\u7684\u9884\u7f16\u8bd1\u7248\u672c\uff0c\u54ce\uff0c\u8fd8\u662f\u8001\u8001\u5b9e\u5b9e\u7528\u865a\u62df\u673a\u5427<\/p>\n\n\n\n<p>\u6211\u53d1\u73b0\u79fb\u690d\u662f\u4e00\u4ef6\u5403\u529b\u4e0d\u8ba8\u597d\u7684\u4e8b\u60c5\uff0c\u4e0d\u5982\u628a\u81ea\u5df1\u7684\u8bbe\u8ba1\u76f4\u63a5\u653e\u5230\u5b83\u7684\u6846\u67b6\u4e2d\u53bb<\/p>\n\n\n\n<p>\u4e4b\u540e\u6211\u9700\u8981\u77e5\u9053nemu\u662f\u5728\u54ea\u91cc\u6267\u884c\u6307\u4ee4\u7684\uff0c\u662f\u6839\u636e\u7ed9\u7684bin\u6587\u4ef6\u5462\uff0c\u8fd8\u662f\u7b49commit\u7684\u65f6\u5019\u6267\u884c\u5904\u7406\u5668\u7ed9\u7684inst\uff0c\u6211\u4f30\u8ba1\u662fbin\u6587\u4ef6\uff0c\u679c\u7136\u662f\u7684\uff0c\u611f\u89c9\u5c31\u662fnpc\u73af\u5883\u7684\u4e00\u4e2a\u5347\u7ea7\u7248\uff0c\u6211\u4f3c\u4e4e\u5c31\u662f\u8981\u6539\u53d8\u8fd9\u4e2aram\u6307\u9488\u7684\u6307\u5411\u5c31\u597d\uff0c\u5b83\u7684ram\u6307\u9488\u4f1a\u8bfb\u5982ram.dat\u6570\u636e\u7684\uff0c\u6211\u53ea\u8981\u80fd\u63a7\u5236\u8fd9\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u5c31\u597d\u5566\uff0c\u8fd9\u4e2a\u6587\u4ef6\u662f\u901a\u8fc7\u5b83\u7684\u4e00\u4e2aconvert.c\u4eceelf\u5230bin\u518dconvert\u51fa\u6765\u7684<\/p>\n\n\n\n<p>\u6211\u8c8c\u4f3c\u76f4\u63a5\u7528&#8211;ram\u6307\u5b9a\u6211\u5199\u7684.dat\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u8ba9nemu\u6267\u884c\u6211\u5b9a\u4e49\u7684\u7a0b\u5e8f\u4e86\uff0c\u73b0\u5728\u7684\u95ee\u9898\u5c31\u662f\u6211\u7684\u4eff\u771f\u7a0b\u5e8f\uff08\u5c31\u662f\u7ed9\u6211\u7684Backend\u63d0\u4f9b\u6570\u636e\u7684\u7a0b\u5e8f\u6ca1\u6cd5\u8bfbdat\u6587\u4ef6\uff0c\u6211\u6253\u7b97\u76f4\u63a5\u66f4\u6539ram\u6307\u9488\uff09\u4ed6\u8fd9\u4e2aram\u6709\u70b9\u610f\u601d\uff0c\u76f4\u63a5\u7528mmap\u83b7\u5f974GB\u7684\u5185\u5b58\uff0c4GB\u6b63\u597d\u8fd8\u662f32\u4f4d\u6570\u636e\u80fd\u8868\u73b0\u7684\u6700\u5927\u7684\u6570\u636e\uff0c\u6240\u4ee5\u5979\u53ef\u4ee5\u76f4\u63a5\u628a\u5185\u5b58\u76f4\u63a5\u6620\u5c04\u8fdb\u53bb<\/p>\n\n\n\n<p>\u4e4b\u540e\u6709\u4e2a\u5751\uff0c\u6211\u662f\u5728mac\u4e2d\u7f16\u8bd1\u7684dpi-lib.a\u4f1a\u5bfc\u81f4\u627e\u4e0d\u5230\u7b26\u53f7<\/p>\n\n\n\n<p>\u8c8c\u4f3c\u53ef\u4ee5\u6267\u884c\u5e76\u89e3\u51b3\u6307\u4ee4\u4e86\uff0c\u4f46\u662f\u73b0\u5728\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u9700\u8981\u5c06gpr\u7684\u503c\u7ed9testbench\uff0c\u8fd9\u770b\u4f3c\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u95ee\u9898\uff0c\u4f46\u662f\u5728\u6709\u91cd\u547d\u540d\u7684\u5904\u7406\u5668\u4e2d\u8c8c\u4f3c\u6ca1\u6709\u90a3\u4e48\u5bb9\u6613\uff0c\u9996\u5148\u9700\u8981\u6839\u636earch RAT\u6765\u8bfb\u51fa\u6bcf\u4e00\u4e2a\u903b\u8f91\u5bc4\u5b58\u5668\u5bf9\u5e94\u7684\u7269\u7406\u5bc4\u5b58\u5668\uff0c\u7136\u540e\u53bb\u7269\u7406\u5bc4\u5b58\u5668\u5806\u4e2d\u8bfb\u51fa\u5176\u4e2d\u7684\u503c<\/p>\n\n\n\n<p>\u8bb0\u5f55\u4e00\u4e0b\u67d0\u4e2a\u5386\u53f2\u65f6\u523b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1336\" height=\"448\" src=\"https:\/\/www.yizishun.com\/wp-content\/uploads\/2025\/03\/image.png\" alt=\"\" class=\"wp-image-4739\"\/><\/figure>\n\n\n\n<p>\u901a\u8fc7\u4e86\u7b2c\u4e00\u6761\u6307\u4ee4\uff0c\u5728\u6ca1\u6709raw\u5e76\u4e14\u6307\u4ee4\u4f9b\u5e94\u5b8c\u5907\u7684\u60c5\u51b5\u4e0b\u53ef\u4ee5\u6bcf\u6b21\u628a\u6307\u4ee4\u653e\u5728\u4e24\u4e2aalu\uff08\u5b9e\u9645\u4e0a\u662fn\u4e2a\uff0c\u53ea\u662f\u4e24\u4e2a\u7684timing\u4f1a\u597d\u4e00\u70b9\uff09\u4e2d\u6267\u884c\uff0c\u5b9e\u73b0\u53cc\u53d1\u5c04\uff0c\uff08\u867d\u7136\u5b9e\u9645\u4e0a\u8fd8\u662f\u8d85\u7ea7\u8d85\u7ea7\u591a\u7684\u95ee\u9898\uff0c\u6bd4\u5982\u8fd9\u4e2apc\u7a81\u7136\u56de\u53bb\u4e86\uff0c\u5c31\u5f88\u8be1\u5f02<\/p>\n\n\n\n<p>\u4e4b\u540e\u5c31\u662f\u65e0\u804a\u7684debug\u65f6\u95f4\u4e86\uff0cdebug\u662f\u4e00\u4e2a\u53e6\u4eba\u70e6\u8e81\u7684\u8fc7\u7a0b\uff0c\u4f60\u6839\u672c\u5c31\u4e0d\u77e5\u9053\u8fd8\u6709\u591a\u5c11bug\u7b49\u7740\u4f60\uff0c\u4f60\u4e5f\u4e0d\u77e5\u9053\u4f60\u73b0\u5728\u89e3\u51b3\u8fd9\u4e2abug\u7684\u624b\u6bb5\u4f1a\u4e0d\u4f1a\u5f15\u8d77\u4e00\u4e2a\u65b0\u7684bug\uff0c\u800c\u4e14\u4e00\u5806\u4e0d\u7b26\u5408\u9884\u671f\u7684\u884c\u4e3a\uff0c\u53ea\u597d\u4e00\u6b65\u4e00\u6b65\u6765\u89e3\u51b3\u5427\uff0c\u76f8\u4fe1\uff1a\u673a\u5668\u6c38\u8fdc\u90fd\u662f\u5bf9\u7684<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color 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class=\"wp-block-list\">\n<li>\u9996\u5148\u9700\u8981\u6709\u4e00\u4e2a\u5faa\u73af\u6307\u9488\u6307\u5411\u961f\u5c3e\uff08deqPtr\uff09\uff0c\u4e00\u4e2a\u6307\u5411\u961f\u5934\uff08enqPtr\uff09\u2611\ufe0f<\/li>\n\n\n\n<li>\u3010\u5206\u914d\u3011deqPtr\u5c31\u628a\u5b83\u7684\u7f16\u53f7\u5206\u914d\u7ed9\u6bcf\u4e00\u6761\u6307\u4ee4\uff0c\u5982\u679c\u51fa\u73b0\u5206\u652f\u6307\u4ee4\uff0cdeqPtr\u52a0\u76f8\u5e94\u7684\u6570\u91cf\uff0c\u5e76\u4e14\u505a\u5206\u914d\u2611\ufe0f<\/li>\n\n\n\n<li>\u3010\u56de\u6536\u3011\u3010\u9884\u6d4b\u9519\u8bef\u3011\uff0c\u8fd9\u4e2a\u65f6\u5019\u53ea\u9700\u8981\u56de\u6eafdeqPtr\u4e3aredirect\u4e2d\u7ed9\u7684\u7f16\u53f7\u5c31\u53ef\u4ee5\uff0c\u8fd9\u6837\u4f1a\u987a\u4fbf\u628a\u8fd9\u4e2a\u7f16\u53f7\u540e\u9762\u7684\u5168\u90e8\u56de\u6536\u2611\ufe0f<\/li>\n\n\n\n<li>\u3010\u56de\u6536\u3011\u3010\u9884\u6d4b\u6b63\u786e\u3011\uff0c\u8fd9\u4e24\u4e2a\u6307\u9488\u9700\u8981\u6307\u5411\u4e00\u4e2averify\u7684reg(Vec)\uff0c\u6bcf\u5f53\u51fa\u73b0\u67d0\u4e2a\u7f16\u53f7\u9884\u6d4b\u6b63\u786e\uff0c\u5c31\u628a\u8fd9\u4e2averify\u7684\u76f8\u5e94\u4f4d\u503c1\uff0c\u7136\u540eenqPtr\u6bcf\u5468\u671f\u68c0\u67e5\u5305\u62ec\u5b83\u5728\u5185\u7684\u8fde\u7eed\u4e09\u4e2averify\u662f\u5426\u90fd\u662ftrue\uff0c\u5982\u679c\u662f\uff0cenqPtr\u53ef\u4ee5\u589e\u52a0\u76f8\u5e94\u8fde\u7eed\u7684\u4e2a\u6570\uff08\u8fd9\u6bb5\u903b\u8f91\u548ccommit\u4e00\u6837\uff09\u2611\ufe0f<\/li>\n\n\n\n<li>\u3010\u5224\u65ad\u6ee1\u3011\u7531\u4e8e\u662f\u5faa\u73af\u6307\u9488\u6709\u62bd\u8c61\uff0c\u76f4\u63a5\u901a\u8fc7enqptr\u548cdeqptr\u6765\u51b3\u5b9a\u662f\u5426\u80fd\u518d\u5141\u8bb8\u65b0\u7684\u5206\u652f\uff08\u5373\u662f\u5426canDeq\uff09\u2611\ufe0f<\/li>\n<\/ul>\n\n\n\n<p>\u4e4b\u540e\u9047\u5230\u4e86\u4e00\u4e9b\u5c0fbug\uff0c\u6bd4\u5982\u8bf4t0\u5468\u671frat\u88ab\u5199\u5165\uff0ct1\u5468\u671f\u8fd9\u90e8\u5206\u6570\u636e\u9001\u5230rob\uff0ct1\u5468\u671f\u6b64\u65f6\u4e5f\u6709redirect\u4fe1\u53f7\u5230\u6765\uff0c\u5fc5\u987b\u8981\u7b49\u5f85\u8fd9\u90e8\u5206\u6570\u636e\u5199\u5165rob\u624d\u80fd\u5f00\u59cbwalk\uff0c\u8fd8\u6709\u4e9b\u5c0f\u95ee\u9898\u4f46\u662f\u90fd\u89e3\u51b3\u4e86\uff0c\u4f46\u662f\u6211\u73b0\u5728\u5176\u5b9e\u9700\u8981\u6240\u6709fu\u53ef\u4ee5\u5b9e\u73b0\u7cbe\u51c6\u7684flush\uff0c\u4e0d\u7136\u6307\u4ee4\u5df2\u7ecf\u88ab\u53d1\u5c04\u51fa\u53bb\u4e86\uff0c\u4f46\u662f\u53c8\u88abflush\u6389\u4e86\uff0c\u5c31\u5f88\u641e\uff0c\u6b64\u65f6\u9700\u8981\u961f\u53cb\u7684\u5e2e\u52a9\uff0c\u4f46\u662f\u4ed6\u4eec\u8fd8\u6ca1\u56de\u6211\uff0c\u6211\u6253\u7b97\u5148\u4fee\u4fee\u5176\u4ed6\u7684bug<\/p>\n\n\n\n<p>\u4e4b\u540e\u5176\u5b9e\u9047\u5230\u4e86\u7279\u522b\u7279\u522b\u591a\u7684bug\uff08\u611f\u8c22mantle\u63d0\u4f9btestcase\uff09\uff0c\u89e3\u51b3\u4e86\u5f88\u5927\u4e00\u90e8\u5206\uff0c\u4f46\u662f\u611f\u89c9\u8fd8\u6709\u5f88\u591a\u5f88\u591a\uff0c\u4e8e\u662f\u6253\u7b97\u5f00\u4e00\u4e2a\u5927\u76ee\u5f55\u8bb0\u5f55bugs<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">bugs<\/mark><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>redirect\u5728datapath\u4e2d\u6ca1\u6709\u6b63\u786e\u5237\u65b0\uff0c\u9700\u8981\u5728redirect\u7684\u65f6\u5019\u5173\u6389\u76f8\u5e94\u7684outvalid<\/li>\n\n\n\n<li>redirect\u5728RS\u7684deq\u65f6\u6ca1\u6709\u6b63\u786e\u5237\u65b0\uff0c\u9700\u8981\u5728redirect\u7684\u65f6\u5019\u5173\u6389\u76f8\u5e94\u7684outvalid<\/li>\n\n\n\n<li>\u591a\u4e2aredirect\u80cc\u9760\u80cc\u51fa\u73b0\u65f6\uff0c\u4eff\u771f\u73af\u5883\u9700\u8981\u5224\u65ad\u67d0\u4e9bredirect\u9700\u4e0d\u9700\u8981set new pc<\/li>\n\n\n\n<li>rename walk\u7684\u65f6\u5019\u6761\u4ef6\u5199\u9519<\/li>\n\n\n\n<li>rob 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class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u65f6\u5e8f\u4f18\u5316\uff082\uff09<\/mark><\/strong><\/h3>\n\n\n\n<p>\u73b0\u5728\u662f\u5206\u652f\u6307\u4ee4\u5b9e\u73b0\u4e4b\u540e\uff0c\u65f6\u5e8f\u53c8\u53d8\u6210-2\u4e86\uff0c\u6211\u8c03\u4f4e\u4e86\u6240\u6709\u4e3a128\u7684\u53c2\u6570\uff0c\u5168\u90e8\u8c03\u621064\u4e86\uff0c\u7136\u540e\u8dd1\u7efc\u5408\uff0c\u4e00\u4e9b\u5173\u952e\u8def\u5f84\u6d88\u5931\u4e86\uff0c\u4f46\u662f\u8fd8\u662f\u6709\u5173\u952e\u8def\u5f84\u7684\u5ef6\u8fdf\u662f-2<\/p>\n\n\n\n<p>\u4fee\u4e86\u4e00\u4e9b\u5199\u6cd5\uff0c\u7136\u540e\u60f3\u628acommit\u4fe1\u53f7\u4ea7\u751f\u5230\u53d1\u9001\u52a0\u4e00\u4e2areg\u5207\u4e00\u4e0b\uff0c\u56e0\u4e3acommit\u672c\u8eab\u4ea7\u751f\u5c31\u9700\u8981\u5f88\u4e45\uff0c\u5e76\u4e14\u8fd9\u4e2acommit\u4fe1\u53f7\u9700\u8981\u53d1\u9001\u7ed9\u5f88\u591a\u5668\u4ef6\uff0c\u6240\u4ee5\u611f\u89c9\u9700\u8981\u5207\u4e00\u4e0b<\/p>\n\n\n\n<p>\u4e4b\u540e\u6709\u4e00\u4e2a\u5173\u952e\u8def\u5f84\uff0c\u53ea\u6709-0.7\u5de6\u53f3\uff0c\u662ffreelist\u7684\u5206\u914d\uff0c\u4e00\u4e2a\u591a\u53e3\u7684FIFO\uff0c\u5230rat\u6700\u7ec8\u7684\u66f4\u65b0\uff0c\u8fd9\u4e2a\u8def\u5f84\u5f88\u9ebb\u70e6\uff0c\u4ed6\u5173\u7cfb\u4e8erename\u662f\u5426\u80fd\u5728\u4e00\u4e2a\u5468\u671f\u5185\u5b8c\u6210\uff0c\u6240\u4ee5\u505a\u5207\u5206\u53ef\u80fd\u662f\u4e00\u4e2a\u4e0d\u597d\u7684\u9009\u62e9\uff0c\u90a3\u5c31\u53ea\u80fd\u786c\u7740\u5934\u76ae\u53bb\u4f18\u5316\uff0c\u4ecefreelist\u8bfb\u51fa\u6570\u636e\u7528\u4e864ns\u7684\u65f6\u95f4<\/p>\n\n\n\n<p>\u8fd9\u4e2a\u90e8\u5206\u5f88\u9002\u5408\u5206bank\uff0c\u4f46\u662f\u8fd9\u4e2a\u4efb\u52a1\u5012\u662f\u4e0d\u7740\u6025\uff08\u8c01\u77e5\u9053\u5206bank\u4e86\u4f1a\u6709\u591a\u5c11\u65b0\u7684bug\u5f15\u5165\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u5176\u4ed6\u6307\u4ee4<\/mark><\/strong><\/h3>\n\n\n\n<p>\u7531\u4e8edcache\u65f6\u65f6\u6ca1\u5199\u51fa\u6765\uff0c\u6240\u4ee5\u6253\u7b97\u5148\u60f3\u60f3\u5176\u4ed6\u6307\u4ee4\u7684\u65b9\u6848\uff0c\u8fd9\u90e8\u5206\u5176\u5b9e\u662f\u6211\u5f88\u4e0d\u719f\u6089\u7684\uff0c\u6240\u4ee5\u6211\u6253\u7b97\u5148\u770b\u770b\u624b\u518c<\/p>\n\n\n\n<p>\u9996\u5148\u662f\u7279\u6743\u6307\u4ee4\uff0c\u7279\u6743\u96c6\u5206\u4e3aplv0\u548cplv3\uff0c\u6240\u6709\u7684\u7279\u6743\u6307\u4ee4\u9664\u4e86cacop\u90fd\u662f\u53ea\u80fd\u5728plv0\u8bbf\u95ee\u7684<\/p>\n\n\n\n<p>\u7279\u6743\u6307\u4ee4\u9996\u5148\u662fcsr\u7684\u4e09\u4e2a\u64cd\u4f5c\u6307\u4ee4\uff0c\u611f\u89c9\u548crv\u5f88\u76f8\u4f3c\uff0c\u6ca1\u4ec0\u4e48\u597d\u8bf4\u7684<\/p>\n\n\n\n<p>\u7136\u540e\u662f\u4e00\u4e2a\u64cd\u4f5ccache\u7684\u6307\u4ee4\uff0ccacop\uff0cemmm\u8fd9\u4e2a\u6307\u4ee4\u5b9e\u9645\u7684\u64cd\u4f5c\u662f\u901a\u8fc7\u91cc\u9762\u7684\u4e00\u4e2acode\u6307\u793a\u7684\uff0c\u8fd9\u90e8\u5206\u5e94\u8be5\u662f\u7f57\u5e08\u5085\u8003\u8651\u7684\uff0c\u6211\u5e94\u8be5\u9700\u8981\u628a\u8fd9\u4e2a\u6307\u4ee4\u4f20\u7ed9cache\u5c31\u597d<\/p>\n\n\n\n<p>\u7136\u540e\u662f\u4e94\u6761\u64cd\u4f5ctlb\u7684\u6307\u4ee4\uff0c\u6211\u5ffd\u7136\u5fd8\u8bb0tlb\u7684\u5de5\u4f5c\u539f\u7406\u4e86\u8bf4\u5b9e\u8bdd&#8230;<\/p>\n\n\n\n<p>\u7136\u540e\u662f\u4e24\u6761\u5176\u4ed6\u6307\u4ee4\uff0c\u4e00\u4e2a\u662feret\uff0c\u662f\u4e00\u6761\u8df3\u8f6c\u6307\u4ee4\uff0c\u548crv\u7684\u4e5f\u5f88\u76f8\u4f3c\uff0c\u8fd8\u6709\u4e00\u6761\u5947\u602a\u7684idle\u6307\u4ee4<\/p>\n\n\n\n<p>\u540e\u9762\u4e09\u7ae0\uff0c\u5c31\u662f\u8bb2\u7684la\u7684\u5730\u5740\uff0c\u4f8b\u5916\uff0ccsr<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">MMU<\/mark><\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">mmu\u7684\u4e09\u79cd\u7c7b\u578b<\/h5>\n\n\n\n<p>csr.crmd\u63a7\u5236mmu\u662f\u5904\u4e8e\u76f4\u63a5\u5730\u5740\u7ffb\u8bd1\u6a21\u5f0f\u8fd8\u662f\u6620\u5c04\u5730\u5740\u7ffb\u8bd1\u6a21\u5f0f\uff0c\u524d\u8005\u5c31\u662f\u76f4\u63a5\u865a\u62df\u5730\u5740\u7b49\u4e8e\u7269\u7406\u5730\u5740<\/p>\n\n\n\n<p>\u540e\u8005\u53c8\u5206\u4e3a\u4e24\u4e2a\u6a21\u5f0f\uff0c\u4e00\u4e2a\u53eb\u505a\u76f4\u63a5\u6620\u5c04\uff0c\u4e00\u4e2a\u53eb\u505a\u9875\u8868\u6620\u5c04\uff0c\u8fd9\u4e2a\u76f4\u63a5\u6620\u5c04\u548c\u4e0a\u9762\u7684\u76f4\u63a5\u6620\u5c04\u4e0d\u592a\u4e00\u6837\uff0c\u4ed6\u662f\u53ea\u6709\u4e24\u4e2a\u7a97\u53e3\u7684\u5730\u5740\u662f\u76f4\u63a5\u6620\u5c04\u7684\uff0c\u5c31\u662f\u5f53\u8bbf\u95ee\u67d0\u4e2a\u5730\u5740\u7684\u65f6\u5019\uff0c\u53d1\u73b0\u4ed6\u5904\u4e8e\u67d0\u4e2a\u7a97\u53e3\u4e2d\uff0c\u5e76\u4e14\u6743\u9650\u7b26\u5408\uff0c\u624d\u4f1a\u76f4\u63a5\u6620\u5c04\uff0c\u800c\u4e0a\u9762\u7684\u76f4\u63a5\u6620\u5c04\u662f\u6307cpu\u672c\u8eab\u5904\u5728\u76f4\u63a5\u6620\u5c04\u7684\u72b6\u6001\uff0c\u6240\u6709\u5730\u5740\u90fd\u76f4\u63a5\u6620\u5c04<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u5b58\u50a8\u8bbf\u95ee\u7c7b\u578b\uff08cache\uff1funcache\uff1f\uff09<\/h5>\n\n\n\n<p>\u7136\u540e\u6709\u4e00\u4e2a\u5b58\u50a8\u8bbf\u95ee\u7c7b\u578b\uff0c\u611f\u89c9\u5176\u5b9e\u5c31\u662fcache\u548cuncache\u7684\u533a\u522b\uff0c\u5e76\u4e14\u540e\u8005\u8981\u4fdd\u8bc1\u987a\u5e8f\uff0c\u7528\u9875\u8868\u6620\u5c04\u65f6\uff0c\u901a\u8fc7\u9875\u8868\u4e2d\u7684MAT\u6765\u5f97\u77e5\u7c7b\u578b\uff0c\u5728\u5904\u4e8e\u76f4\u63a5\u5730\u5740\u7ffb\u8bd1\uff0c\u5c31\u6839\u636eCSR.CRMD\u6765\u786e\u5b9a\u7c7b\u578b\uff0c\u5982\u679c\u662f\u76f4\u63a5\u5730\u5740\u6620\u5c04\uff0c\u5c31\u6839\u636e\u7a97\u53e3\u7684csr\u4e2d\u7684MAT\u57df\u786e\u5b9a<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">tlb<\/h5>\n\n\n\n<p>\u7136\u540e\u5c31\u662f\u7ecf\u5178tlb\uff0c\u4f46\u662f\u4f7f\u7528\u7684\u53cc\u9875\uff0c\u5373\u4e00\u4e2aentry\u5b58\u50a8\u4e00\u5bf9\u9875\u6570\uff0c\u7136\u540e\u6709\u4e00\u4e2aentry\u7684\u89c4\u8303\uff0ctlb\u5176\u5b9e\u672c\u8d28\u4e0a\u5c31\u662f\u9875\u8868\u7684\u7f13\u5b58<\/p>\n\n\n\n<p>\u4f46\u662fla32r\u4e0d\u9700\u8981\u81ea\u5df1\u505apage table walk\uff0c\u5c31\u662ftlb\u53ea\u8981\u6ca1\u6709hit\uff0c\u5c31\u89e6\u53d1\u4f8b\u5916\uff0c\u7136\u540e\u786c\u4ef6\u8fdb\u5165\u76f4\u63a5\u5730\u5740\u7ffb\u8bd1\u6a21\u5f0f\uff0c\u4ea4\u7531\u8f6f\u4ef6\u6765\u505aptw<\/p>\n\n\n\n<p>\u624b\u518c\u4e4b\u540e\u6709\u4e00\u4e2a\u4f2a\u4ee3\u7801\u6765\u603b\u7ed3\u4e86tlb\u7684\u67e5\u627e\u8fc7\u7a0b\uff0c\u603b\u4e4b\u5c31\u662f\u627e\u4e0d\u5230\u5c31\u6c42\u52a9\u8f6f\u4ef6\u5c31\u5bf9\u4e86hhhh<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">Exception<\/mark><\/strong><\/h4>\n\n\n\n<p>\u5206\u4e3ainterrupt\u548cexception<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e2d\u65ad<\/h5>\n\n\n\n<p>\u9996\u5148\u662f\u4e2d\u65ad\uff0c\u5206\u4e3a\u56db\u79cd\u4e2d\u65ad\uff0c\u6838\u95f4\uff0c\u5b9a\u65f6\u5668\uff0c\u786c\u4e2d\u65ad\uff0c\u8f6f\u4e2d\u65ad\uff0c\u5e76\u4e14\u5c06\u4e2d\u65ad\u4fe1\u606f\u8bb0\u5f55\u5728csr.estat.is\u4e2d<\/p>\n\n\n\n<p>\u7136\u540e\u4e2d\u65ad\u9700\u8981\u5728\u786c\u4ef6\u4e2d\u8f6c\u5316\u4e00\u6b21\uff0c\u53d8\u6210\u548c\u666e\u901a\u4f8b\u5916\u76f8\u540c\u7684\u5904\u7406\u8fc7\u7a0b\uff0c\u6bd4\u5982\u53ef\u4ee5\u6807\u8bb0\u5728\u67d0\u4e2a\u6307\u4ee4\u4e0a\u9762<\/p>\n\n\n\n<p>\u5e76\u4e14\u8fd8\u6709\u4e00\u5806\u4e2d\u65ad\u4f7f\u80fd\uff0c\u6700\u7ec8\u53d1\u73b0\u9700\u8981\u5904\u7406\u7684\u4e2d\u65ad\uff0c\u5e76\u8f6c\u5316\u5e76\u6807\u8bb0\u5230\u4e00\u6761\u6307\u4ee4\uff08\u8fd9\u6761\u6307\u4ee4\u5fc5\u987b\u8981\u662f\u80fd\u6267\u884c\u7684\uff0c\u800c\u4e0d\u4f1a\u88ab\u5237\u6389\uff09\u4e0a\u9762\uff0c\u53d8\u6210\u4e00\u4e2a\u4e2d\u65ad\u4f8b\u5916\uff0c\u8d70\u4f8b\u5916\u7684\u6d41\u7a0b<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u4f8b\u5916<\/h5>\n\n\n\n<p>\u4f8b\u5916\u9996\u5148\u9700\u8981\u4f8b\u5916\u5165\u53e3\uff0c\u9664\u4e86tlb\u4f8b\u5916\uff0c\u5176\u4ed6\u7684\u90fd\u662f\u76f8\u540c\u7684\u5165\u53e3\uff0c\u65e2\u7136\u662f\u76f8\u540c\u7684\u5165\u53e3\uff0c\u90a3\u4f8b\u5916\u7c7b\u578b\u5c31\u7531estat\u5bc4\u5b58\u5668\u6807\u8bc6<\/p>\n\n\n\n<p>\u7136\u540e\u6709\u4e00\u4e2a\u4f8b\u5916\u4f18\u5148\u7ea7\uff0c\u5c31\u662f\u4e00\u6761\u6307\u4ee4\u89e6\u53d1\u591a\u79cd\u4f8b\u5916\uff0c\u5982\u4f55\u5904\u7406\u7684\u95ee\u9898<\/p>\n\n\n\n<p>\u7136\u540e\u5c31\u662f\u901a\u7528\u7684\u4f8b\u5916\u5904\u7406\u8fc7\u7a0b\uff0c\u8fd9\u90e8\u5206\u76f4\u63a5\u53bb\u770b\u624b\u518c\u5427\uff0c\u611f\u89c9\u548crv\u7684\u4e5f\u5927\u5dee\u4e0d\u5dee\u4e86<\/p>\n\n\n\n<p>\u6211\u5728\u60f3\u4f8b\u5916\u7684\u8fc7\u7a0b\u80fd\u4e0d\u80fd\u548c\u8df3\u8f6c\u8fc7\u7a0b\u5408\u5e76\u4e00\u4e0b\uff0c\u4ed6\u6bd4\u8df3\u8f6c\u8fc7\u7a0b\u5c31\u591a\u4e86\u4e00\u4e2acsr\u66f4\u65b0\u7684\u8fc7\u7a0b\uff0c\u4e0d\u8fc7\u611f\u89c9csr\u8fd9\u4e2a\u4e1c\u897f\u4e5f\u9ebb\u70e6\uff0c\u4ed6\u6ca1\u6709\u91cd\u547d\u540d\u673a\u5236\uff0c\u6240\u4ee5\u4ed6\u7684\u66f4\u65b0\u9700\u8981\u5c0f\u5fc3\uff0c\u4ed6\u7684\u6062\u590d\u4f1a\u66f4\u52a0\u56f0\u96be<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">CSR<\/mark><\/strong><\/h4>\n\n\n\n<p>\u6ca1\u4ec0\u4e48\u597d\u8bf4\u7684\u4e86<\/p>\n\n\n\n<p>\u770b\u5b8c\u6240\u6709\u624b\u518c\uff0c\u6211\u5bf9CPU\u7684\u5b58\u5728\u548c\u76ee\u7684\u4ea7\u751f\u4e86\u7591\u95ee\uff0ccpu\u786e\u5b9e\u5c31\u662f\u53ea\u662f\u6307\u4ee4\u6267\u884c\u7684\u673a\u5668\uff0c\u4f46\u662f\u8c8c\u4f3c\u53c8\u6ca1\u6709\u90a3\u4e48\u7b80\u5355\uff0c\u4ed6\u6709\u90e8\u5206\u548c\u8f6f\u4ef6\u7ed3\u5408\u7684\u5f88\u7d27\u5bc6\uff0c\u8fd8\u662f\u5148\u4e0d\u60f3\u90a3\u4e48\u591a\u597d\u4e86<\/p>\n\n\n\n<p>\u4e4b\u540e\u8f6e\u5230\u6211\u6765\u5b9e\u73b0csr\u4e86\uff0c\u4f46\u662f\u53d1\u73b0csr\u9700\u8981\u5b9e\u73b0\u4e3a\u6805\u680f\u6307\u4ee4<\/p>\n\n\n\n<p>\u601d\u8003\u4e86\u4e00\u9635\uff0c\u73b0\u5728\u57fa\u672c\u5f97\u51fa\u7684\u6267\u884c\u6d41\u7a0b\u662f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>decode\u9636\u6bb5\uff0c\u5bf9\u4e8e\u6240\u6709csr\u6307\u4ee4\u90fdfu\u4e3acsr\uff0cfunc\u8bbe\u7f6e\u6b63\u786e\uff0c\u5e76\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u63a7\u5236\u4fe1\u53f7\uff0c\u53eb\u505afence\uff0c\u8fd9\u4e2a\u4fe1\u53f7\u5bf9\u4e8ecsrrd\u6ca1\u6709\u7528\uff0c\u4e3b\u8981\u662f\u90a3\u4e9b\u4f1a\u66f4\u6539csr\u6307\u4ee4\u7684\u4f1a\u643a\u5e26<\/li>\n\n\n\n<li>\u5f53\u8fd9\u4e2a\u5e26\u6709fence\u7684\u6307\u4ee4\u8fdb\u5165rob\u7684\u65f6\u5019\uff0c\u5c31\u963b\u585e\u540e\u9762\u6240\u6709\u6307\u4ee4\uff0c\u4f46\u662f\u8fd9\u91cc\u4f1a\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u8fd9\u4e2a\u6307\u4ee4\u4e0d\u4e00\u5b9a\u662f\u4e09\u6761\u6307\u4ee4\u7684\u6700\u540e\u4e00\u6761\uff0c\u5047\u5982\u662f\u7b2c\u4e00\u6761\uff0c\u90a3\u4e8c\u4e09\u6761\u5c31\u4e5f\u8fdbrob\u4e86\uff0c\u4f46\u662f\u5982\u679cinvalid\u4ed6\u4eec\uff0c\u90a3\u5c31\u4f1a\u5bfc\u81f4\u8fd9\u4e24\u6761\u6307\u4ee4\u51ed\u7a7a\u6d88\u5931\uff0c\u601d\u8003\u4e00\u4e0b\uff0c\u611f\u89c9\u53ef\u4ee5\u5728\u540e\u7aef\u4eceibuf\u4e2d\u53d6\u6307\u4ee4\u7684\u65f6\u5019\u5c31\u7b80\u5355\u7684\u6839\u636einst(26)\u7b5b\u9009\u4e00\u4e0b\uff0c\u786e\u4fddcsr\u76f8\u5173\u6307\u4ee4\u80fd\u5728\u6700\u540e\u4e00\u6761<\/li>\n\n\n\n<li>\u5f53\u5b58\u5728fence\u7684\u6307\u4ee4\u5230\u6700\u540e\u4e00\u6761\u7684\u65f6\u5019\uff0c\u4ed6\u5fc5\u7136\u4e5f\u662f\u6ca1\u6709wb\u7684\uff0c\u6240\u4ee5rob commit\u7684\u65f6\u5019\u68c0\u6d4b\u5230\u8fd9\u79cd\u6307\u4ee4\uff0c\u5c31\u53bb\u628a\u5b83\u4e22\u8fdbcsr fu\uff0c\u5f53\u4ed6\u53d8\u6210wb\u7684\u65f6\u5019\u624d\u4f1a\u628a\u4ed6commit\uff0c\u6b64\u65f6\u6ca1\u6709fence\u6307\u4ee4\u4e86\uff0c\u6d41\u6c34\u7ebf\u5f00\u59cb\u6b63\u5e38\u8fd0\u8f6c<\/li>\n<\/ul>\n\n\n\n<p>ok\uff0ccsr\u6307\u4ee4\u5b8c\u6210\uff0c\u73b0\u5728\u5c31\u662f\u5f02\u5e38\u5904\u7406\u4e86\uff0c\u5f02\u5e38\u5904\u7406\u6211\u8fd8\u662f\u51b3\u5b9a\u8d70\u5206\u652f\u7684\u90a3\u4e00\u6761\u6570\u636e\u8def\u5f84\uff0c\u4f34\u968f\u7740\u4e00\u4e9bcsr\u5bc4\u5b58\u5668\u7684\u66f4\u6539<\/p>\n\n\n\n<p>\u5c31\u662frob\u7684\u6bcf\u4e00\u4e2aentry\u90fd\u6807\u8bb0\u4e00\u4e2aexception\u7684ecode\uff0c\u7136\u540e\u5f53commit\u5230\u8fd9\u6761\u6307\u4ee4\u7684\u65f6\u5019\u53d1\u73b0\u5b83ecode\u4e0d\u7b49\u4e8eNONE\uff0c\u5c31\u6253\u5305\u4e00\u4e2aexception\u7684handler\u53d1\u9001\u7ed9csr\uff0ccsr\u5c31\u505a\u5404\u79cdcsr\u5bc4\u5b58\u5668\u7684\u6539\u53d8\uff0c\u7136\u540e\u53d1\u9001branchinfo\uff0c\u524d\u7aef\u5904\u7406\u5e76\u53d1\u9001redirect\uff0c\u7136\u540e\u5c31\u662f\u548c\u5206\u652f\u76f8\u540c\u7684\u5904\u7406\uff0c\u53ea\u662f\u548c\u5206\u652f\u4e0d\u540c\u7684\u662f\u4f1a\u628a\u8fd9\u6761\u4ea7\u751f\u5f02\u5e38\u7684\u6307\u4ee4\u4e5f\u4e00\u8d77\u5237\u6389\uff0c\u8bf6\uff0c\u4f46\u662f\u4e0d\u5bf9\uff0c\u5047\u5982\u662fsyscall\uff0c\u90a3\u8fd9\u6761\u6307\u4ee4\u5c31\u4e0d\u80fd\u88ab\u5237\u6389\uff0c\u53cd\u800c\u9700\u8981\u88abcommit<\/p>\n\n\n\n<p>\u6240\u4ee5syscall\u7684\u884c\u6587\u5f88\u96be\u548cnemu\u5bf9\u9f50\uff0c\u8ba9\u6211\u5206\u6790\u4e00\u4e0b\uff0c\u5047\u5982t0\uff0csyscall\u662f\u6700\u8001\u7684\u6307\u4ee4\uff0c\u5728t0\u7ed9csr\u53d1\u4fe1\u606f\uff0ccsr\u5728t0\u4ea7\u751fbranchinfo\uff0ct1\u4ea7\u751fredirect\uff0c\u5e76\u4e14t1\u6240\u6709csr\u5bc4\u5b58\u5668\u5c31\u5df2\u7ecf\u6539\u53d8\u4e86\uff0c\u5047\u5982t1\u8fdb\u884csyscall\u7684\u63d0\u4ea4\uff0c\u7531\u4e8e\u6211\u4e4b\u524d\u505a\u7684reg\uff0c\u6240\u4ee5t2\u5468\u671fnemu\u624d\u4f1a\u6539\u53d8\uff0c\u8fd9\u6837\u5c31\u4e0d\u5bf9\u9f50\u4e86\uff0c\u5047\u8bbet0\uff0csyscall\u63d0\u4ea4\uff0c\u90a3t1nemu\u6539\u53d8\uff0c\u8c8c\u4f3c\u5c31\u5bf9\u9f50\u4e86\uff0c\u6211\u5c1d\u8bd5\u4e00\u4e0b<\/p>\n\n\n\n<p>\u53d1\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u6211\u4e4b\u524d\u4e3a\u4e86\u65f6\u5e8f\u597d\u770b\uff0c\u5c31\u8ba9commit\u6162\u4e86\u4e00\u4e2a\u5468\u671f\uff0c\u6240\u4ee5\u8c8c\u4f3c\u9700\u8981\u5ef6\u8fdf\u4e00\u5468\u671f\uff0c\u5f53t0\uff0csyscall\u662f\u6700\u8001\u7684\u6307\u4ee4\uff0c\u5c31t1\u53d1csr\uff0ct2\u4ea7\u751fredirect\uff0ct0 commit\uff0ct1\u771f\u6b63commit\uff0ct2\u6539\u53d8<\/p>\n\n\n\n<p>\u611f\u89c9\u6ca1\u95ee\u9898\uff0c\u6210\u529f\u8fc7difftest\u4e86\uff0c\u4e4b\u540e\u9700\u8981\u5b9e\u73b0\u4e00\u4e0bertn<\/p>\n\n\n\n<p>\u6211\u611f\u89c9ertn\u7684\u5b9e\u73b0\u5b8c\u5168\u53ef\u4ee5\u5f53\u4f5c\u666e\u901a\u7684\u5206\u652f\u6307\u4ee4\u6765\u5b9e\u73b0<\/p>\n\n\n\n<p>\u4e4b\u540e\u8fd8\u53d1\u73b0syscall 0x11\u4f1a\u8ba9\u4eff\u771f\u73af\u5883\u505c\u6b62\uff0c\u90a3\u6211\u5c31\u4e0d\u7528\u6211\u7684break\u6307\u4ee4\u4e86\uff0c\u6211\u987a\u4fbf\u628abreak\u6307\u4ee4\u4e5f\u5b9e\u73b0\u4e86\uff0cbreak\u6307\u4ee4\u548csyscall\u6307\u4ee4\u662f\u5b8c\u5168\u76f8\u540c\u7684\u5b9e\u73b0\u624b\u6cd5<\/p>\n\n\n\n<p>\u7136\u540e\u4ed6\u7684\u90a3\u4e2adifftest\u7684excpt\u6211\u4e00\u76f4\u6ca1\u61c2\u662f\u600e\u4e48\u505adiff\u7684\uff0c\u5f88\u5947\u602a\uff0c\u6211\u60f3\u662f\u4e0d\u662fsyscall\u8fd9\u79cd\u6307\u4ee4\u4e0d\u9700\u8981\u4ed6\u7684\u8fd9\u4e2adiff\uff0c\u601d\u8003\u4e00\u4e0b\uff0c\u5047\u5982\u67d0\u4e00\u6761\u6307\u4ee4\u6709\u5f02\u5e38\uff0c\u9664\u4e86syscall\u548cbreak\u6307\u4ee4\uff0c\u5176\u4ed6\u6307\u4ee4\u90fd\u662f\u4e0d\u80fd\u88ab\u63d0\u4ea4\u7684\uff0c\u8fd9\u662f\u4ed6\u4eec\u4e24\u4e2a\u548c\u5176\u4ed6\u7684\u6700\u672c\u8d28\u7684\u533a\u522b<\/p>\n\n\n\n<p>\u554a\u6211\u609f\u4e86\uff0c\u4ed6\u662f\u5f53\u4f60\u6709\u53d1\u4e86\u4e00\u4e2a\u5f02\u5e38\u4e4b\u540e\uff0c\u540e\u9762commit\u7684\u90a3\u6761\u6307\u4ee4\u9700\u8981\u662f\u5f02\u5e38\u5165\u53e3\u5c31\u884c\uff0c\u50cfsyscall\u8fd9\u79cd\u5c31\u4e0d\u884c\uff0c\u90a3\u6211\u5c31\u4e0ddiff 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class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color 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b\u7684\u662ffreelist<\/p>\n\n\n\n<p>\u4e4b\u540e\u6211\u611f\u89c9\u5047\u5982\u540e\u7aef\u4e00\u76f4\u5728\u53d1\u5c04\u6307\u4ee4\u6267\u884c\u90a3\u5c31\u4e0d\u4f1a\u9047\u5230\u4ec0\u4e48\u95ee\u9898\uff0c\u4f46\u662f\u6211\u4e4b\u524d\u662f\u5bf9\u4e8edatapath\u662f\u6ca1\u6709\u505c\u6b62\u903b\u8f91\u7684\uff0c\u73b0\u5728\u7531\u4e8e\u4e00\u4e9b\u539f\u56e0\uff0c\u67d0\u4e9b\u6307\u4ee4\u53ef\u80fd\u5361\u5728datapath\u5f88\u591a\u5468\u671f\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u6240\u4ee5\u4e4b\u540e\u7684\u6027\u80fd\u8ba1\u6570\u5668\u5e94\u8be5\u662f\u5728datapath\uff0c\u6253\u7b97\u518d\u770b\u4e00\u904dysyx\u7684\u8bb2\u4e49hhh\uff0c\u55ef\uff0c\u771f\u662f\u918d\u9190\u704c\u9876<\/p>\n\n\n\n<p>\u9996\u5148\u6211\u5e94\u8be5\u786e\u5b9a\u6027\u80fd\u4e8b\u4ef6\uff0c\u7136\u540e\u901a\u8fc7\u6027\u80fd\u4e8b\u4ef6\u51fa\u73b0\u7684\u65f6\u95f4\u5360\u6bd4\u6765\u8fdb\u884c\u66f4\u7cbe\u51c6\u7684\u4f18\u5316\uff0c\u6309\u7167\u8bb2\u4e49\u4e2d\u8bf4\u7684\u5c31\u662fAmdahl&#8217;s law<\/p>\n\n\n\n<p>\u9996\u5148\u4ecedecoder\u4e2d\u5f00\u59cb\uff0c\u5b58\u5728\u7684\u4e00\u4e9b\u4e8b\u4ef6\u6709\uff08\u53ef\u4ee5\u53d1\u73b0decoder\u5e76\u6ca1\u6709\u4ec0\u4e48\u53ef\u80fd\u4f1a\u5931\u8d25\u7684\u4e8b\u4ef6\uff09\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>decoder\u63a5\u6536\u5230\u4e00\u6761\u6307\u4ee4<\/li>\n\n\n\n<li>decoder\u8bd1\u7801\u51fa\u4e86\u4e00\u6761alu\/csr\/\u4e58\u6cd5\/\u9664\u6cd5\/\u8bbf\u5b58\/branch\u6307\u4ee4<\/li>\n<\/ul>\n\n\n\n<p>rename\u5f00\u59cb\uff0c\u5b58\u5728\u7684\u4e00\u4e9b\u57fa\u672c\u4e8b\u4ef6\u6709<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rename\u6210\u529f\u4e00\u6761\u6307\u4ee4<\/li>\n\n\n\n<li>\u7531\u4e8erename\u6a21\u5757\u5185\u90e8\u91cd\u547d\u540d\u5931\u8d25\uff0c\u6bd4\u5982freelist\u7a7a\u6389\u4e86<\/li>\n<\/ul>\n\n\n\n<p>rob<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rob entry\u4f7f\u7528\u7684\u6570\u91cf\u7684\u9891\u7387<\/li>\n\n\n\n<li>rob commit<\/li>\n\n\n\n<li>rob walk<\/li>\n\n\n\n<li>rob exception<\/li>\n\n\n\n<li>rob fence\u6307\u4ee4\u5b58\u5728<\/li>\n\n\n\n<li>rob\u6ee1\u6389\u4ece\u800c\u4e0d\u5141\u8bb8enq\uff0c\u5835\u585erename<\/li>\n\n\n\n<li>rob enq<\/li>\n<\/ul>\n\n\n\n<p>RS<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RS enq<\/li>\n\n\n\n<li>RS\u6ee1\u6389\u4ece\u800c\u4e0d\u5141\u8bb8enq<\/li>\n\n\n\n<li>RS entry\u4f7f\u7528\u6570\u91cf\u7684\u9891\u7387<\/li>\n\n\n\n<li>RS deq<\/li>\n\n\n\n<li>RS cannot deq\uff08\u7531\u4e8eRS\u7684\u539f\u56e0\uff09\uff08\u8fd9\u4e2a\u5f88\u91cd\u8981\uff09<\/li>\n<\/ul>\n\n\n\n<p>dataPath<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6307\u4ee4\u7b49\u5f85<\/li>\n<\/ul>\n\n\n\n<p>exu<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>alu\/csr\/mdu\/lsu\u6267\u884c\u65f6\u95f4<\/li>\n<\/ul>\n\n\n\n<p>wb<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>wb<\/li>\n<\/ul>\n\n\n\n<p>\u6211\u53d1\u73b0perCount\u7684utils\u8fd8\u6709\u4e13\u95e8\u4e3a\u961f\u5217\u6253\u9020\u7684\u7684\uff0c\u9664\u4e86XSPerfRolling\uff0c\u5176\u4ed6\u51e0\u4e2a\u90fd\u662f\u975e\u5e38\u6709\u7528\u5440\u611f\u89c9<\/p>\n\n\n\n<p>\u4e4b\u540e\u51fa\u73b0\u4e00\u4e2abug\uff0c\u5f53walk\u7684\u65f6\u5019\uff0c\u5982\u679c\u6307\u4ee4\u4e2d\u5b58\u5728waw\u76f8\u5173\u6027\uff0c\u6253\u6bd4\u65b9\uff0c1\u548c3\u90fd\u8981\u5199\u8fdb6\uff0c\u7136\u540e1\u88ab\u5206\u914d\u4e8660\uff0c3\u88ab\u5206\u914d\u4e8663\uff0c\u90a33\u7684old_pdest\u5c31\u4f1a\u662f60\uff0c\u7136\u540e\u4e4b\u540ewalk\u7684\u65f6\u5019\u4ed6\u4eec\u88ab\u540c\u65f6walk\u4e86\uff0c\u90a31\u548c3\u90fd\u4f1a\u628aoldPest\u5199\u8fdb6\u8fd9\u4e2a\u5751\u6765\u8fd8\u539f\uff0c\u5047\u5982\u662f1\u5148\u5199\uff0c3\u518d\u5199\uff0c\u5c31\u4f1a\u53d8\u621060\uff0c\u8fd9\u5f88\u660e\u663e\u662f\u4e0d\u5bf9\u7684\uff0c\u5982\u679c\u662f3\u5148\u5199\uff0c1\u518d\u5199\uff0c\u90a3\u5c31\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u4e4b\u524d\u5176\u5b9e\u90fd\u662f\u6ca1\u95ee\u9898\u7684\uff0c\u56e0\u4e3a\u56de\u6eaf\u7684\u65f6\u5019\u662f\u7528enqPtr\u5f80\u56de\uff0c\u4f46\u662f\u5047\u5982\u662f\u628aenq\u7684\u6570\u636e\u9000\u56de\u53bb\uff0c\u90a3\u987a\u5e8f\u6b63\u597d\u5c31\u53cd\u6389\u4e86\uff0c\u5f88\u7ec6\u5f88\u7ec6\u7684\u9519\u8bef\uff0c\u5982\u679c\u4e4b\u524d\u6ca1\u6709\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u751a\u81f3\u90fd\u4e0d\u4f1a\u8003\u8651walk\u7684\u65f6\u5019\u7684waw\u76f8\u5173\u6027<\/p>\n\n\n\n<p>\u4e4b\u540e\u82b1\u4e86\u4e00\u6574\u5929\u52a0XSAssert\uff0c\u6700\u96be\u7684\u6280\u672f\u5c31\u662f\u9700\u8981\u5728assert\u4e4b\u540e\u80fd\u628a\u4fe1\u606f\u90fd\u6253\u5370\u5b8c\u518dassert\uff0c\u76f4\u89c2\u7684\u60f3\u6cd5\u662f\u5ef6\u8fdf\u51e0\u4e2a\u5468\u671f\u518dassert\uff0c\u4f46\u662f\u8fd9\u53c8\u4f1a\u5e26\u6765\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u5982\u679c\u8fd9\u4e2aassert\u5728when\u91cc\u9762\uff0c\u5e76\u4e14\u5728\u67d0\u4e00\u5468\u671fassert\u6761\u4ef6\u89e6\u53d1\u4e4b\u540e\uff0c\u540e\u9762when\u90fd\u6ca1\u6709\u6210\u7acb\uff0c\u5c31\u4f1a\u4e00\u76f4\u6ca1\u6cd5assert\uff0cEmin\u5927\u4f6c\u8ddf\u6211\u8bf4\u7528AssertPropery\uff0c\u4f46\u662fverilator\u4e0d\u652f\u6301|=&gt;\uff0c\u6240\u4ee5\u5176\u5b9e\u4e5f\u884c\u4e0d\u901a\uff08\u8fd9\u91cc\u8fd8\u4e00\u76f4\u9047\u5230\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u540e\u9762\u53d1\u73b0\u662ffirtool\u7684\u7248\u672c\u592a\u4f4e\u4e86\uff09\uff0c\u6700\u540e\u62ff\u5916\u5356\u7684\u8def\u4e0a\u5ffd\u7136\u60f3\u5230\u4e3a\u5565\u4e0d\u7528dpi\u6765\u505a\uff0c\u5c31\u662f\u52a0\u4e00\u4e2aDpiAssert\uff0c\u8ba9\u4eff\u771f\u73af\u5883\u5ef6\u8fdf\u51e0\u4e2a\u5468\u671f\u7136\u540e\u9000\u51fa\uff0c\u4e4b\u524d\u4e00\u76f4\u5c40\u9650\u5728chisel\u4e5f\u5c31\u662frtl\u91cc\u9762\uff0c\u5dee\u70b9\u5fd8\u8bb0\u8fd8\u6709\u4e00\u80a1\u795e\u79d8\u529b\u91cf&#8212;dpi-c<\/p>\n\n\n\n<p>\u8c03\u4e86\u4e00\u4e0b\u53c2\u6570\u4e4b\u540e\u53c8\u62a5\u9519\uff0c\u8df3\u4e86\uff0c\u6700\u540e\u53d1\u73b0\u9519\u8bef\uff0c\u5f97\u51fa\u7528CircularQueuePtr\u7684\u65f6\u5019\u6700\u597d\u4e0d\u7528\u7528\u7c7b\u4f3cdeqPtr.value+1.u\uff0c\u800c\u662f(deqPtr+1.U).value<\/p>\n\n\n\n<p>\u6211\u53d1\u73b0\u8c03\u53c2\u6570\u5f88\u5bb9\u6613\u89e6\u53d1bug\uff0c\u8c03\u4e86\u4e00\u4e0b\u53c8\u89e6\u53d1bug\u4e86\uff0c\u662f\u4e00\u4e2aredirect\u5237datapath\u7684\u95ee\u9898\uff0c\u6bd4\u65b9\u8bf4datapath\u7684alu\u6709\u4e09\u4e2a\uff0c\u4f46\u662f\u63e1\u624b\u903b\u8f91\u662f\u8fd9\u4e09\u4e2a\u4e3a\u4e00\u7ec4\uff0c\u4f46\u662f\u5047\u5982reidrect\u5237\u7684\u65f6\u5019\u6b63\u597d\u53ea\u5237\u4e00\u4e2a\u6307\u4ee4\u5462\uff0c\u6211\u73b0\u5728\u7684\u903b\u8f91\u7adf\u7136\u662f\u5047\u5982\u6709\u4e00\u4e2a\u5728waiting data\u7684\u65f6\u5019\u5c31\u4e0d\u5237\uff0c\u8fd9\u4e2a\u5237\u5176\u5b9e\u662f\u7f6einready\u7684\u8fc7\u7a0b\uff0c\u5728redirect\u7684\u65f6\u5019\u5f3a\u884creset\u6389\u6211\u7684handshake\uff0c\u4f46\u662f\u5e76\u4e0d\u4f1a\u5f3a\u5236inready\uff0c\u662f\u56e0\u4e3a\u5b58\u5728\u67d0\u4e9b\u4e0d\u4f1a\u5237\u6389\u7684\u6307\u4ee4\uff0c\u5982\u679c\u4e0d\u5206\u5f00\u63e1\u624b\u7684\u8bdd\uff0c\u8c8c\u4f3c\u552f\u4e00\u7684\u529e\u6cd5\u5c31\u662f\u5728redirect\u7684\u65f6\u5019\u628a\u4e00\u4e9bdeq\u7684entry\u7684valid\u7f6e\u7a7a<\/p>\n\n\n\n<p>\u628a\u6027\u80fd\u8ba1\u6570\u5668\u5927\u591a\u90fd\u8c03\u597d\u4e86\uff0c\u4e4b\u540e\u5148\u4f18\u5316\u4e00\u6ce2\u65f6\u5e8f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u65f6\u5e8f\u4f18\u5316\uff083\uff09<\/mark><\/strong><\/h3>\n\n\n\n<p>\u9996\u5148\u4fee\u4e86\u4e00\u4e9b\u5b8c\u5168\u7528\u4e0d\u7740\u7684\u903b\u8f91\uff0c\u6bd4\u5982\u8bf4\u5728scoreBoard\u5bf9\u4e8eflight\u7684bypass<\/p>\n\n\n\n<p>\u7136\u540e\u4e4b\u540e\u6709\u4e00\u4e2a\u6709\u610f\u601d\u7684\u4e1c\u897f\uff0c\u6211\u6709\u4e00\u4e2a\u5173\u952e\u8def\u5f84\u5728select\u4e2d\uff0c\u6211\u6709\u4e00\u4e2a\u5224\u65ad\u662f\u4e0d\u662f\u8fd9\u4e2a\u6307\u4ee4\u8981\u4f7f\u7528rs1\uff0c\u6709\u4e24\u4e2a\u4f8b\u5916\u60c5\u51b5\uff0c\u6211\u5982\u679c\u628a\u8fd9\u4e2a\u5224\u65ad\u653e\u5728\u5173\u952e\u8def\u5f84\u91cc\u5c31\u4f1a\u5f88\u96be\u53d7\uff0c\u4f46\u662f\u8fd9\u4e2a\u903b\u8f91\u5b8c\u5168\u53ef\u4ee5\u4e22\u5230decoder\u53bb\u505a\uff0c\u5176\u5b9e\u4e5f\u4e0d\u5fc5\u8981\u90a3\u4e48\u65e9\u505a\u8fd9\u4e2a\u5224\u65ad\uff0c\u53ef\u4ee5enq RS\u7684\u65f6\u5019\u505a\u8fd9\u4e2a\u5224\u65ad<\/p>\n\n\n\n<p>\u4e0a\u9762\u90a3\u6761\u8def\u5f84\u592a\u96be\u4f18\u5316\u4e86\uff0c\u5148\u964d\u4f4e\u5230\u539f\u6765\u7684\u53c2\u6570<\/p>\n\n\n\n<p>\u4e4b\u540e\u53c8\u662ffreelist\u90a3\u6761\u8def\u5f84\uff0c\u4e4b\u524d\u60f3\u7684\u529e\u6cd5\u662f\u5206bank\uff0c\u4f46\u662f\u5ffd\u7136\u4e00\u62cd\u8111\u888b\uff0c\u53d1\u73b0\u6839\u672c\u4e0d\u9700\u8981\u5206bank\uff0c\u4ed6\u8def\u5f84\u4e0a\u662f\u9700\u8981\u6ee1\u8db3\u4e00\u4e2a\u6761\u4ef6\uff0c\u624d\u53bb\u4ecefreelist\u91cc\u9762\u8bfb\u503c\uff0c\u4f46\u662f\u6211\u5b8c\u5168\u53ef\u4ee5\u63d0\u524d\u628a\u503c\u8bfb\u51fa\u6765\uff0c\u800c\u4e0d\u4f9d\u8d56\u90a3\u4e2a\u6761\u4ef6\uff0c\u4e00\u4e0b\u5b50\u8fd9\u4e2a\u5173\u952e\u8def\u5f84\u5c31\u6d88\u5931\u4e86<\/p>\n\n\n\n<p>\u4e4b\u540e\u6709\u4e00\u4e2a\u5173\u952e\u8def\u5f84\u662f\u5728alu bypass\u91cc\u9762\uff0c\u4ed6bypass\u8fc7\u6765\u4e4b\u540e\u53d1\u73b0\u8fd8\u9700\u8981\u7ecf\u5386\u4e00\u4e2a32\u4f4d\u7684\u52a0\u6cd5\uff0c\u5c31\u4f1a\u5f88\u957f\uff0c\u6211\u53ea\u9700\u8981\u628a\u8fd9\u4e2a\u52a0\u6cd5\u653e\u5230alu\u91cc\u9762\u53bb\u505a\u5c31\u6ca1\u95ee\u9898\u4e86\uff0c\u4ee3\u4ef7\u662f\u9762\u79ef\u591a\u4e86\u4e00\u4e1d\u4e1d<\/p>\n\n\n\n<p>\u4e4b\u540e\u53c8\u6709\u4e00\u4e2a\u5f88\u70e6\u7684\u5173\u952e\u8def\u5f84\uff0c\u5c31\u662fdataPath ready\u7684\u65f6\u5019\uff0c\u624d\u4f1a\u544a\u77e5RS\u53ef\u4ee5update\u4e86\uff0c\u8fd9\u4e2a\u65f6\u5019RS\u624d\u4f1a\u628a\u6709compress\u8bb0\u53f7\u7684entry compress\uff0c\u8fd9\u4e00\u6761\u8def\u6211\u505a\u4e86\u4e24\u4e2a\u4f18\u5316\uff0c\u7b2c\u4e00\u4e2a\u662f\u5728RS\u4e2d\uff0c\u628acompress\u7684\u903b\u8f91\u7f6e\u5230\u6700\u540e\u6700\u540e\uff0c\u624d\u4f9d\u8d56\u8fd9\u4e2aready\u6765\u505aupdate\uff0c\u7b2c\u4e8c\u4e2a\u662f\u5728ready\u903b\u8f91\u4ea7\u751f\u4e2d\uff0c\u4e5f\u662f\u63d0\u524d\u628a\u4e4b\u524dRS\u7684dependOnRs1\u76f4\u63a5\u4f20\u7ed9dataPath\uff0c\u5e76\u4e14\u628awaitingdata1\u548c3\u5408\u5e76\uff0c\u56e0\u4e3a\u4ed6\u4eec\u4e24\u4e2a\u672c\u8eab\u5c31\u662f\u4ee3\u8868\u7684\u540c\u4e00\u4e2a\u610f\u601d<\/p>\n\n\n\n<p>\u4e4b\u540e\u53c8\u51fa\u73b0\u4e00\u4e2a\u5728RS\u4e2d\u7684\u5173\u952e\u8def\u5f84\uff0c\u4f46\u662f\u6211\u6ca1\u6709\u770b\u61c2\u8fd9\u6761\u5173\u952e\u8def\u5f84\uff0c\u6211\u751a\u81f3\u90fd\u4e0d\u77e5\u9053\u4ed6\u8fd9\u4e00\u6761\u7684\u903b\u8f91\u662f\u4e2a\u4ec0\u4e48\uff1f\uff1f\u4ed6\u6700\u540e\u7684\u5199\u5165\u662f\u6211rsData\u7684delay\u5bc4\u5b58\u5668\uff0c\u6211\u5148\u770b\u770b\u6211\u4ee3\u7801\u4e2d\u54ea\u91cc\u6709\u5bf9\u8fd9\u4e2a\u5bc4\u5b58\u5668\u7684\u5199\u5165\uff0cdelay\u5bc4\u5b58\u5668\u7684\u4f5c\u7528\u9996\u5148\u662f\u8bb0\u5f55\u5f53\u524d\u6307\u4ee4\u5728exu\u4e2d\u7684\u6267\u884c\u5468\u671f\uff0c\u7136\u540e\u7b2c\u4e00\u4e2a\u5199\u5165\u7684\u5730\u65b9\u662fenq\u7684\u65f6\u5019\u5bf9fu\u7684\u5224\u65ad\uff0c\u6765\u5199\u5165\u76f8\u5e94\u7684delay\uff0c\u4f46\u662f\u6211\u795e\u5947\u7684\u53d1\u73b0\uff0c\u6211\u5bf9delay\u7684\u5199\u5165\u53ea\u6709\u8fd9\u91cc\uff0c\u6211\uff1a\uff1f\uff1f\uff1f\u6211\u6709\u70b9\u61f5\uff0c\u8fd9\u4e2a\u5173\u952e\u8def\u5f84\u5728\u54ea\uff1f<\/p>\n\n\n\n<p>\u4e0d\u5bf9\uff0c\u8c8c\u4f3c\u8fd9\u53ea\u662f\u8868\u8c61\uff0c\u6211\u5728\u6784\u9020newRsData\u7684\u65f6\u5019\u4f1a\u5c06\u6240\u6709\u7684\u4e1c\u897f\u5168\u90e8\u91cd\u65b0\u5199\u5165\uff0c\u91cc\u9762\u552f\u4e00\u7684\u53d8\u6570\u5c31\u662fcompress\u548cenq\uff0cenq\u611f\u89c9\u95ee\u9898\u4e0d\u5927\uff0c\u4e3b\u8981\u662f\u8fd9\u4e2acompress\uff0c\u4f46\u662f\u4ed6\u8fd9\u5168\u662f\u4ec0\u4e48brIdx\u4ec0\u4e48\u7684\uff0c\u6211\u5f88\u8ff7\u5440\uff0cbrIdx\u53c2\u4e0e\u7684\u552f\u4e00\u8ba1\u7b97\u5c31\u662f\u7528\u4ed6\u6765\u751f\u6210\u8981flush\u7684entry\uff0c\u6211\u8fd8\u662f\u6253\u7b97\u5148\u6682\u65f6\u4e0d\u4f18\u5316\u8fd9\u4e00\u5768\u4e86<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u4eff\u771fLSU<\/mark><\/strong><\/h3>\n\n\n\n<p>\u7531\u4e8edcache\u65f6\u65f6\u51fa\u4e0d\u6765\uff0ctlb\u53c8\u662f\u9065\u9065\u65e0\u671f\uff0c\u6240\u4ee5\u6253\u7b97\u5148\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u4eff\u771f\u7a0b\u5e8f<\/p>\n\n\n\n<p>\u4f46\u662f\u611f\u89c9\u5199\u4e00\u4e2a\u4eff\u771f\u7684tlb\u8fd8\u4e0d\u5982\u76f4\u63a5\u5199tlb\uff0c\u4f46\u662f\u611f\u89c9\u53ef\u4ee5\u5148\u7b80\u5355\u7684\u5199\u4e00\u4e2a\u8bbf\u5b58\u7684dpi\u51fd\u6570\uff0c\u6682\u65f6\u548calu\u76f8\u540c\u7684\uff0c\u4e00\u5468\u671f\u8fd4\u56de\u6570\u636e<\/p>\n\n\n\n<p>\u4f46\u662f\u6211\u53d1\u73b0\u4eff\u771flsu\u4e0d\u80fd\u7acb\u9a6c\u5bf9\u6570\u636e\u8fdb\u884c\u5199\u5165\uff0c\u53ea\u80fd\u5728commit\u7684\u65f6\u5019\u5199\u5165\uff0c\u4f46\u662f\u53c8\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u540e\u9762\u7684load\u6307\u4ee4\u9700\u8981\u8fd9\u4e2a\u6570\u636e\u600e\u4e48\u529e<\/p>\n\n\n\n<p>ok,\u6210\u529f\u8fc7\u4e86\u6d4b\u8bd5<\/p>\n\n\n\n<p>\u4e4b\u540e\u5c1d\u8bd5\u5728\u8fc7syscall\u6d4b\u8bd5\u7684\u65f6\u5019\u53d1\u73b0\u9700\u8981\u5b83\u63d0\u4f9b\u7684\u5f02\u5e38\u5904\u7406\u4ee3\u7801\uff0c\u6240\u4ee5\u628a\u6d4b\u8bd5\u8fc1\u79fb\u5230chiplab\u4e86<\/p>\n\n\n\n<p>\u4e4b\u540edebug\u53c8\u53d1\u73b0\u4e86\u4e00\u4e2a\u4e4b\u524d\u53d1\u73b0\u8fc7\u7684\u95ee\u9898\uff0c\u5c31\u662f\u5f53\u540e\u4e00\u4e2a\u6a21\u5757\u7684ready\u4e3a1\u4f46\u662f\u524d\u4e00\u4e2a\u6a21\u5757\u6301\u7eed\u53d1no valid\u7684\u65f6\u5019\uff0c\u53ea\u6709\u8fd9\u4e2avalid\u4f1a\u88ab\u4f20\u8fc7\u53bb\uff0c\u6240\u6709\u7684\u5176\u4ed6\u7684bits\u90fd\u6ca1\u6709\u529e\u6cd5\u4f20\u8fc7\u53bb\uff0c\u6240\u4ee5\u4e00\u65e6\u6709\u4e1c\u897f\u4f9d\u8d56\u4e86\u6bd4\u5982\u8bf4bits\u91cc\u9762\u7684\u5404\u4e2avalid\uff0c\u5c31\u4f1a\u51fa\u9519<\/p>\n\n\n\n<p>\u7136\u540e\u6211\u53d1\u73b0\u8fd9\u4e2a\u9519\u8bef\u57fa\u672c\u4e0a\u5168\u662f\u8bd5\u9519\u51fa\u6765\u7684\uff0c\u5c31\u610f\u5473\u7740\u53ea\u8981\u6709\u8fd9\u4e2abug\u7684\u5730\u65b9\u5168\u662f\u88ab\u8dd1\u51fa\u6765\u4e86\uff0c\u6240\u4ee5\u5176\u5b9e\u6211\u518d\u53bb\u770b\u7684\u65f6\u5019\u53d1\u73b0\u57fa\u672c\u90fd\u4fee\u5b8c\u4e86<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">MMU<\/mark><\/strong><\/h3>\n\n\n\n<p>\u4e3a\u4e86\u52a0\u5feb\u8fdb\u5ea6\uff0c\u8fd8\u662f\u7531\u6211\u6765\u5199tlb\u5427\uff0c\u6211\u770bopenla500\u7684tlb\u5199\u7684\u7279\u522b\u7b80\u5355\uff0c\u611f\u89c9\u4f30\u8ba1\u4e0d\u4f1a\u5f88\u96be<\/p>\n\n\n\n<p>\u6211\u5728\u60f3tlb\u9700\u8981\u51e0\u4e2a\u5468\u671f\u5462\uff1f\u600e\u4e48\u5206\u6d41\u6c34\u7ebf\u5462\uff1f<\/p>\n\n\n\n<p>\u6211\u51b3\u5b9a\u8fd8\u662f\u5c31\u662faddr\u7ed9\u8fdb\u6765\uff0c\u5f97\u5230pa\u4e4b\u540e\u4e22\u5230\u5bc4\u5b58\u5668\u4e2d\uff0c\u7ed9\u5916\u754c\u5c31\u662f\u8fd9\u4e2a\u5bc4\u5b58\u5668\u7684\u503c\uff0c\u8bf6\u4e0d\u5bf9\uff0c\u5047\u5982\u662f\u7528sram\u7684\u8bdd\uff0c\u8bfb\u8fd8\u9700\u8981\u4e00\u4e2a\u5468\u671f\uff0c\u6240\u4ee5\u610f\u5473\u7740\uff0c\u65f6\u5e8f\u9700\u8981\u8fd9\u6837\u5212\u5206\uff0c2 stage\uff0cstage1\u5c31\u662f\u53d1\u9001\u8bfb\u8bf7\u6c42\u7ed9sram\uff0cstage2\u8fdb\u884ctag\u6bd4\u8f83\uff0c\u7136\u540e\u6211\u770b\u4e00\u4e0b\u4ed6\u7684\u90a3\u4e9b\u6307\u4ee4\uff0c\u611f\u89c9\u95ee\u9898\u4e0d\u5927<\/p>\n\n\n\n<p>\u6709\u70b9\u5934\u75bc\uff0c\u6211\u73b0\u5728tlb\u6307\u4ee4\u6709\u90e8\u5206\u6307\u4ee4\u9700\u8981\u4e24\u5468\u671f\u6267\u884c\uff0c\u90a3\u4e9btlb write\u6307\u4ee4\u90fd\u53ea\u9700\u8981\u4e00\u5468\u671f\u5c31\u53ef\uff0c\u4e24\u5468\u671f\u610f\u5473\u7740\u6211\u6709\u70b9\u4e0d\u77e5\u9053\u628a\u4ed6\u4eec\u653e\u5728\u54ea\u4e2aRS\u91cc\u9762\uff0c\u5982\u679c\u653e\u5728alu\u91cc\u9762\u4f1a\u4e0d\u4f1a\u51fa\u95ee\u9898\u5462\uff1f\u662f\u4f1a\u7684\uff0c\u8003\u8651\u7b2c\u4e00\u5468\u671f\u4e09\u6761\u6307\u4ee4\u6709\u4e00\u6761\u662ftlb\u6307\u4ee4\uff0c\u7b2c\u4e8c\u5468\u671f\u5168alu\u6307\u4ee4\uff0c\u5219\u7b2c\u4e8c\u5468\u671f\u4f1a\u5b58\u57284\u6761\u5df2\u7ecf\u6267\u884c\u5b8c\u7684\u6307\u4ee4\uff0c\u4f46\u662fwriteBackPort\u660e\u663e\u53ea\u67093\u4e2a<\/p>\n\n\n\n<p>\u4f46\u662f\u5982\u679c\u662fread\u76f8\u5173\u7684tlb\u6307\u4ee4\uff0c\u53ef\u80fd\u90fd\u9700\u8981\u6539\u53d8csr\uff0c\u6240\u4ee5\u53ef\u80fd\u9700\u8981\u5f53\u6210bar\u505a\u5904\u7406\uff0c\u8fd9\u610f\u5473\u7740\u4e00\u6761\u4e24\u5468\u671f\u5b8c\u6210\u7684tlb read\u6307\u4ee4\u5e76\u4e0d\u4f1a\u51fa\u95ee\u9898\uff0c\u4f46\u662f\u6211\u5ffd\u7136\u53c8\u53d1\u73b0\uff01\u6240\u6709\u7684tlb\u6307\u4ee4\u90fd\u6ca1\u6709\u5bf9rd\u7684\u5199\u5165\uff0c\u8fd9\u610f\u5473\u7740\u5b9e\u9645\u4e0a\u6211\u5b8c\u5168\u53ef\u4ee5\u628a\u6240\u6709tlb\u6307\u4ee4\u4e00\u5468\u671f\u6267\u884c\u7ed3\u675f\uff0c\u53cd\u6b63\u4ed6\u4eec\u4e5f\u6ca1\u6709\u5bf9rd\u7684\u5199\u5165\uff0c\u4f46\u662f\u7531\u4e8etlb\u672c\u8eab\u7aef\u53e3\u7684\u9650\u5236\uff0c\u6216\u8bb8\u4e00\u5468\u671f\u5e76\u4e0d\u5141\u8bb8\u4e24\u6761<\/p>\n\n\n\n<p>\u73b0\u5728\u57fa\u672c\u4e0a\u662f\u4e09\u4ef6\u4e8b\uff0c\u4e00\u4ef6\u4e00\u4ef6\u6765\u5427<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>decoder\u6dfb\u52a0tlb\u6307\u4ee4\uff0c\u5e76\u628a\u76f8\u5e94tlb\u6307\u4ee4\u5f53\u4f5cfence<\/li>\n\n\n\n<li>RS\u4e0d\u80fd\u4e00\u5468\u671f\u53d1\u9001\u4e24\u6761tlb\u5199\u6307\u4ee4<\/li>\n\n\n\n<li>mmu\u6dfb\u52a0\u6240\u6709\u6307\u4ee4\u7684\u652f\u6301<\/li>\n<\/ul>\n\n\n\n<p>\u5148\u505a\u7b2c\u4e00\u4ef6\u4e8b<\/p>\n\n\n\n<p>\u53d1\u73b0\u5176\u5b9etlb\u6307\u4ee4\u6027\u80fd\u5565\u7684\u90fd\u65e0\u6240\u8c13\u5176\u5b9e\uff0c\u90a3\u6211\u5c31\u628a\u8fd9\u4e9b\u6307\u4ee4\u5168\u90e8\u5f53bar\u5904\u7406\uff0c\u8fd9\u6837\u5f3a\u5236\u4fdd\u8bc1\u4e86\u6bcf\u6b21\u53ea\u6709\u4e00\u6761tlb\u6307\u4ee4\uff0c\u8fd9\u6837\u5c31\u4e0d\u9700\u8981\u6539RS\u4e86\u5176\u5b9e<\/p>\n\n\n\n<p>\u5199\u8fd9\u90e8\u5206\u4ee3\u7801\u7684\u65f6\u5019\uff0c\u4ee3\u7801\u884c\u6570\u7ec8\u4e8e\u7834\u4e07\u4e86<\/p>\n\n\n\n<p>tlb\u8fc7\u6d4b\u8bd5\u4e86<\/p>\n\n\n\n<p>\u4e4b\u540e\u6253\u7b97\u8fc7\u5f02\u5e38\u548c\u4e2d\u65ad\u6d4b\u8bd5\uff0c\u9700\u8981\u5f80csr\u6a21\u5757\u91cc\u9762\u52a0\u5185\u5bb9\uff0c\u7136\u540e\u611f\u89c9csr\u975e\u5e38\u6df7\u4e71\uff0c\u5404\u79cd\u903b\u8f91\u5806\u53e0\u5728\u4e00\u8d77\uff0c\u6211\u6253\u7b97\u4f7f\u7528\u4e00\u4e9b\u65b9\u5f0f\u505a\u4e00\u4e9b\u7b80\u5355\u7684\u5904\u7406\uff0c\u6bd4\u5982\u628a\u76f8\u5173\u7684\u903b\u8f91\u653e\u5728\u4e00\u8d77<\/p>\n\n\n\n<p>\u9996\u5148\u67e5\u770b\u6a21\u5757\u5185\u5bb9\uff0c\u53d1\u73b0\u4e3b\u8981\u5206\u4e3a\u51e0\u4e2a\u903b\u8f91\u5757\uff0c\u9996\u5148\u662f\u5404\u79cd\u5b9a\u4e49\uff0c\u554a\u6ca1\u5199\u5b8c\u4f46\u662f\u4ee3\u7801\u5199\u5b8c\u4e86\uff0c\u90a3\u6211\u5c31\u4e0d\u5199\u4e86<\/p>\n\n\n\n<p>\u4e4b\u540e\u53ef\u4ee5\u6a21\u62df\u6210\u529f\uff0c\u5e76\u4e14\u901a\u8fc7TEST7<\/p>\n\n\n\n<p>\u6211\u5728\u60f3\u6211\u80fd\u4e0d\u80fd\u5728\u5b9e\u73b0\u539f\u5b50\u8bbf\u5b58llw\u548cscw\u7684\u65f6\u5019\u4e71\u5e8f\u53d1\u5c04\u4ed6\u4eec\uff0c\u53cd\u6b63scw\u8981\u662f\u5148\u88ab\u53d1\u5c04\u4e5f\u53ea\u662f\u8fd9\u6b21\u8bbf\u5b58\u5931\u8d25\uff0c\u6211\u611f\u89c9\u529f\u80fd\u4e0a\u4f30\u8ba1\u662f\u6ca1\u5565\u95ee\u9898\u7684\uff0c\u4f46\u662f\u4f30\u8ba1\u8fc7\u4e0d\u4e86difftest<\/p>\n\n\n\n<p>\u8fd9\u4e2aidle\u5361\u4e86\u6211\u597d\u4e45\uff0c\u6211\u4e4b\u524d\u88abnemu\u8bef\u5bfc\u4e86\uff0c\u5904\u7406\u5668\u4e0d\u5e94\u8be5\u628aidle\u5b9e\u73b0\u6210\u65e0\u9650\u5faa\u73af\u7684\uff0c\u65e0\u9650\u5faa\u73af\u5f88\u9ebb\u70e6\uff0c\u5e94\u8be5\u8ba9rob\u53d8\u4e3aidle 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has-vivid-cyan-blue-color\">\u9762\u79ef\u4f18\u5316<\/mark><\/strong><\/h3>\n\n\n\n<p>\u540e\u7aef\u5360\u7528\u9762\u79ef\u592a\u591a\uff0c\u7ecf\u8fc7\u5bf9\u5197\u4f59\u9762\u79ef\u7684\u5904\u7406\uff0c\u53ea\u5904\u7406\u6389\u4e864%\uff0c\u76ee\u6807\u5e94\u8be5\u662f\u5904\u7406\u638920%<\/p>\n\n\n\n<p>\u5360\u7528\u9762\u79ef\u6700\u591a\u7684\u6700\u4e3b\u8981\u539f\u56e0\u5176\u5b9e\u5c31\u662f\u591a\u8bfb\u5199\u53e3\u7684ram\u592a\u591a\uff0c\u4ece\u800c\u88ab\u5168\u90e8\u7efc\u5408\u6210lut\u4e86\uff0c\u6240\u4ee5lut\u7206\u70b8\u4e86\uff0c\u6211\u6253\u7b97\u5148\u5bf9regfile\u505a\u5206bank\u5904\u7406\uff0c\u5982\u679c\u505a\u5b8c\u611f\u89c9\u4e0d\u9519\uff0c\u5c31\u518d\u5bf9rob\u505a\u5206bank\u5904\u7406<\/p>\n\n\n\n<p>\u5728\u6307\u4ee4\u8fdb\u5165datapath\u7684\u65f6\u5019\uff0c\u5982\u679c\u9700\u8981rs1\/2\uff0c\u53d1\u9001\u8bfb\u8bf7\u6c42\u7ed9regfile\uff0c\u5982\u679c\u6570\u636e\u786e\u5b9e\u5728regfile\u91cc\u9762\uff0c\u8fc7\u51e0\u4e2a\u5468\u671f\u5c31\u80fd\u8bfb\u51fa\uff0c\u5982\u679c\u4e0d\u5728\u91cc\u9762\uff0c\u90a3\u6307\u4ee4\u5c31\u53ef\u4ee5\u5728\u65c1\u8def\u7f51\u7edc\u4e2d\u83b7\u5f97\u6570\u636e\uff08\u6b64\u65f6\u9700\u8981\u628a\u6570\u636e\u9501\u8d77\u6765maybe\uff1f\uff09\uff0c\u6240\u4ee5\u6211\u4f30\u8ba1\u662f\u6ca1\u6709\u95ee\u9898\u7684<\/p>\n\n\n\n<p>bank\u65b9\u6848\u5931\u8d25\uff0c\u4e00\u662f\u6211\u4e0d\u4f1a\u5199\u591abank\uff0c\u53e6\u4e00\u4e2a\u662f\u8c8c\u4f3c\u4e0d\u9700\u8981\u591abank\uff0c\u6211\u4f7f\u7528\u65b0\u7684lpv\u65b9\u6848\u7efc\u5408\uff0c\u9762\u79ef\u76f4\u964d5%\uff0c\u7136\u540e\u6211\u628alsu\u8c03\u62102\u53d1\u5c04\u4e86\uff0c\u9762\u79ef\u964d6%\uff0c\u4e4b\u540e\u4fee\u6539\u5b58\u50a8\u7684\u67e5\u8be2\u65b9\u5f0f\uff0c\u4e0d\u4f7f\u7528rvec\u548cwvec\uff0c\u9762\u79ef\u964d\u4e864%\uff0c\u57fa\u672c\u4e0a\u7b97\u4e0a\u6765\u5c31\u51cf\u4e8620%\uff0c\u4ece74%\u964d\u5230\u4e8654%\uff08\u5728\u6709tlb\u7684\u60c5\u51b5\u4e0b\uff09<\/p>\n\n\n\n<p>\u57fa\u672c\u4e0a\u9762\u79ef\u4f18\u5316\u5230\u8fd9\u91cc\u5c31\u5dee\u4e0d\u591a\u4e86\uff0c\u6211\u4e2a\u4eba\u611f\u89c9\u7ef0\u7ef0\u6709\u4f59\u4e86<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">\u65f6\u5e8f\u4f18\u5316\uff084\uff09<\/mark><\/strong><\/h3>\n\n\n\n<p>\u867d\u7136\u8bf4\u4e0d\u4e0a\u662f\u65f6\u5e8f\u4f18\u5316\uff0c\u6bd5\u7adf\u65f6\u5e8f\u624d-0.8\uff0c\u4f46\u662f\u4e3b\u8981\u662f\u95f2\u7740\u6ca1\u4e8b\uff0c\u5c31\u505a\u4e00\u4e0b\u4f18\u5316<\/p>\n\n\n\n<p>\u4e00\u6761\u662ffence\u76f8\u5173\u7684\uff0cfence\u76f8\u5173\u7684\u76f4\u63a5\u65e0\u8111\u5207\uff0c\u6bd5\u7adf\u4ed6\u7684ipc\u4e0d\u503c\u94b1<\/p>\n\n\n\n<p>\u53e6\u4e00\u6761\u7adf\u7136\u662falu\u7684bypass\uff0c\u6211\u60f3\u53ef\u4ee5\u4e0d\u53ef\u4ee5\u5bf9alu\u7684\u8fd0\u7b97\u987a\u5e8f\u505a\u4f18\u5316\uff0c\u8c8c\u4f3c\u6709\u70b9\u9ebb\u70e6\uff0c\u611f\u89c9\u6700\u4e3b\u8981\u7684\u95ee\u9898\u8fd8\u662f\u51fa\u5728datapath\u4e0a\u9762\uff0c\u867d\u7136\u6709\u4e00\u6761\u786e\u5b9e\u662f\u5728alu\u91cc\u9762\uff0c\u4f46\u662f\u4ed6\u88ab\u65f6\u5e8f\u9690\u85cf\u4e86\uff0c\u6240\u4ee5\u95ee\u9898\u4f30\u8ba1\u4e0d\u662falu<\/p>\n\n\n\n<p>\u8bf6\u4e0d\u5bf9\uff0c\u6211\u4e4b\u524d\u7528\u7684\u662f\u6ca1\u6709\u52a0\u63a8\u6d4b\u5524\u9192\u7684\u4ee3\u7801\u8dd1\u7684\u7efc\u5408\uff0c\u73b0\u5728\u6362\u6389\u4e86\uff0c\u53d8\u6210-1.6\u4e86\uff0c\u60b2\u4f24<\/p>\n\n\n\n<p>\u6211\u5ffd\u7136\u6709\u4e00\u4e2a\u975e\u5e38nb\u7684\u4f18\u5316\u65b9\u5f0f\uff0c\u8fd9\u4e2a\u4f18\u5316\u65b9\u5f0f\u6211\u731c\u662f\u53ef\u4ee5\u4f18\u5316\u65f6\u5e8f\u7684\uff0c\u5e76\u4e14\u540c\u65f6\u8fd8\u80fd\u4f18\u5316ipc\uff0c\u5c31\u662f\u5c06\u6bcf\u4e00\u4e2adatapath\u7684\u6307\u4ee4\u5168\u90e8\u5206\u5f00\u63e1\u624b\uff0c\u63e1\u624b\u7684\u7c92\u5ea6\u5230\u6bcf\u4e00\u6761\u6307\u4ee4\uff0c\u800c\u4e0d\u662f\u4e00\u7ec4\u6307\u4ee4\uff0c\u8fd9\u662f\u7b2c\u4e00\u4e2a\u60f3\u6cd5\uff0c\u7b2c\u4e8c\u4e2a\u60f3\u6cd5\u662f\u591a\u5207\u4e00\u4e2a\u6d41\u6c34\u7ea7\uff0c\u8fd9\u4e2a\u60f3\u6cd5\u6765\u6e90\u662f\u6211\u53d1\u73b0\u53ea\u8981\u662fsram\u7684\u884c\u4e3a\uff0c\u8c8c\u4f3c\u5c31\u662f\u4f1a\u88ab\u7efc\u5408\u6210sram\u7684\uff0c\u8fd9\u4e2a\u5bf9\u9762\u79ef\u5f88\u597d\uff0c\u4f46\u662f\u8c8c\u4f3c\u4e5f\u5bf9\u65f6\u5e8f\u4e00\u822c\uff0c\u73b0\u5728\u7684\u5173\u952e\u8def\u5f84\u8fd8\u662fready\u7684\u95ee\u9898\uff0c\u6211\u628a\u5b83\u79f0\u4e4b\u4e3aready\u65f6\u5e8f\u5730\u72f1<\/p>\n\n\n\n<p>\u5f00\u59cb\u5e72\uff01<\/p>\n\n\n\n<p>\u5e72\u5b8c\u4e86\uff0c\u53d1\u73b0ipc\u4e0d\u5347\u53cd\u964d\uff0c\u601d\u8003\u4e00\u756a\uff0c\u731c\u60f3\u662f\u6ca1\u6709\u5f88\u597d\u7684\u9075\u5faaoldest 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