{"id":153243,"date":"2024-11-02T05:49:19","date_gmt":"2024-11-01T21:49:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153243\/"},"modified":"2024-11-02T05:49:20","modified_gmt":"2024-11-01T21:49:20","slug":"%e5%be%9e-simd-%e8%88%87-avx-512-%e8%aa%aa%e8%b5%b7%ef%bc%8c%e4%bd%a0%e6%98%8e%e7%99%bd%e4%ba%86%e5%97%8e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153243\/","title":{"rendered":"\u5f9e SIMD \u8207 AVX-512 \u8aaa\u8d77\uff0c\u4f60\u660e\u767d\u4e86\u55ce\uff1f"},"content":{"rendered":"<h1 id=\"%e5%be%9e-simd-%e8%88%87-avx-512-%e8%aa%aa%e8%b5%b7%ef%bc%8c%e4%bd%a0%e6%98%8e%e7%99%bd%e4%ba%86%e5%97%8e%ef%bc%9f-qfWMUJsVTw\">\u5f9e SIMD \u8207 AVX-512 \u8aaa\u8d77\uff0c\u4f60\u660e\u767d\u4e86\u55ce\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8a08\u7b97\u6a5f\u79d1\u5b78\u9818\u57df\uff0c\u8655\u7406\u5668\u7684\u6027\u80fd\u4e0d\u65b7\u63d0\u5347\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u80fd\u5920\u8655\u7406\u66f4\u8907\u96dc\u7684\u8a08\u7b97\u4efb\u52d9\u3002\u7279\u5225\u662f\u5728\u6578\u64da\u5bc6\u96c6\u578b\u7684\u61c9\u7528\u4e2d\uff0cSIMD\uff08\u55ae\u6307\u4ee4\u591a\u6578\u64da\uff09\u548c AVX-512\uff08\u9ad8\u7d1a\u5411\u91cf\u64f4\u5c55512\u4f4d\uff09\u6280\u8853\u7684\u51fa\u73fe\uff0c\u70ba\u6211\u5011\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u7684\u8a08\u7b97\u80fd\u529b\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u4e9b\u6280\u8853\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5de5\u4f5c\u539f\u7406\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-simd%ef%bc%9f-qfWMUJsVTw\">\u4ec0\u9ebc\u662f SIMD\uff1f<\/h2>\n<p>SIMD \u662f\u4e00\u7a2e\u8a08\u7b97\u67b6\u69cb\uff0c\u5141\u8a31\u55ae\u500b\u6307\u4ee4\u540c\u6642\u5c0d\u591a\u500b\u6578\u64da\u9032\u884c\u64cd\u4f5c\u3002\u9019\u7a2e\u6280\u8853\u7279\u5225\u9069\u5408\u65bc\u8655\u7406\u5927\u91cf\u76f8\u540c\u985e\u578b\u7684\u6578\u64da\uff0c\u4f8b\u5982\u5716\u50cf\u8655\u7406\u3001\u97f3\u983b\u7de8\u78bc\u548c\u79d1\u5b78\u8a08\u7b97\u7b49\u3002\u901a\u904e\u4f7f\u7528 SIMD\uff0c\u8655\u7406\u5668\u53ef\u4ee5\u5728\u4e00\u500b\u6642\u9418\u9031\u671f\u5167\u57f7\u884c\u591a\u500b\u8a08\u7b97\uff0c\u5f9e\u800c\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"simd-%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-qfWMUJsVTw\">SIMD \u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u5728 SIMD \u4e2d\uff0c\u6578\u64da\u88ab\u7d44\u7e54\u6210\u5411\u91cf\uff0c\u4e26\u4e14\u8655\u7406\u5668\u80fd\u5920\u5728\u55ae\u500b\u6307\u4ee4\u4e0b\u540c\u6642\u5c0d\u9019\u4e9b\u5411\u91cf\u4e2d\u7684\u6240\u6709\u5143\u7d20\u9032\u884c\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u6578\u7d44\uff0c\u5206\u5225\u5305\u542b\u5341\u500b\u6574\u6578\uff0c\u6211\u5011\u5e0c\u671b\u5c07\u5b83\u5011\u76f8\u52a0\u3002\u5728\u50b3\u7d71\u7684\u6a19\u91cf\u8a08\u7b97\u4e2d\uff0c\u6211\u5011\u9700\u8981\u9010\u500b\u5143\u7d20\u9032\u884c\u52a0\u6cd5\uff0c\u800c\u4f7f\u7528 SIMD\uff0c\u6211\u5011\u53ef\u4ee5\u4e00\u6b21\u6027\u5c07\u6574\u500b\u6578\u7d44\u9032\u884c\u52a0\u6cd5\u904b\u7b97\u3002<\/p>\n<pre><code>\nint a[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};\nint b[10] = {10, 9, 8, 7, 6, 5, 4, 3, 2, 1};\nint c[10];\n\nfor (int i = 0; i &lt; 10; i++) {\n    c[i] = a[i] + b[i]; \/\/ \u6a19\u91cf\u52a0\u6cd5\n}\n<\/code><\/pre>\n<p>\u800c\u4f7f\u7528 SIMD \u6307\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>\n\/\/ \u5047\u8a2d\u4f7f\u7528 SSE \u6307\u4ee4\u96c6\n__m128i vec_a = _mm_loadu_si128((__m128i*)a);\n__m128i vec_b = _mm_loadu_si128((__m128i*)b);\n__m128i vec_c = _mm_add_epi32(vec_a, vec_b);\n_mm_storeu_si128((__m128i*)c, vec_c); \/\/ \u5c07\u7d50\u679c\u5b58\u56de\u6578\u7d44\n<\/code><\/pre>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-avx-512%ef%bc%9f-qfWMUJsVTw\">\u4ec0\u9ebc\u662f AVX-512\uff1f<\/h2>\n<p>AVX-512 \u662f\u4e00\u7a2e\u64f4\u5c55\u7684 SIMD \u6280\u8853\uff0c\u63d0\u4f9b\u4e86\u66f4\u5bec\u7684\u5411\u91cf\u5bc4\u5b58\u5668\uff08512 \u4f4d\uff09\uff0c\u4f7f\u5f97\u6bcf\u500b\u6307\u4ee4\u53ef\u4ee5\u540c\u6642\u8655\u7406\u66f4\u591a\u7684\u6578\u64da\u3002\u9019\u4f7f\u5f97 AVX-512 \u5728\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u96c6\u6642\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002AVX-512 \u4e0d\u50c5\u652f\u6301\u6574\u6578\u548c\u6d6e\u9ede\u6578\u904b\u7b97\uff0c\u9084\u5f15\u5165\u4e86\u8a31\u591a\u65b0\u7684\u6307\u4ee4\uff0c\u80fd\u5920\u9032\u884c\u66f4\u8907\u96dc\u7684\u8a08\u7b97\u3002<\/p>\n<h3 id=\"avx-512-%e7%9a%84%e5%84%aa%e5%8b%a2-qfWMUJsVTw\">AVX-512 \u7684\u512a\u52e2<\/h3>\n<ul>\n<li><strong>\u66f4\u9ad8\u7684\u4e26\u884c\u6027\uff1a<\/strong>AVX-512 \u53ef\u4ee5\u540c\u6642\u8655\u7406\u591a\u9054 16 \u500b\u55ae\u7cbe\u5ea6\u6d6e\u9ede\u6578\u6216 8 \u500b\u96d9\u7cbe\u5ea6\u6d6e\u9ede\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u79d1\u5b78\u8a08\u7b97\u548c\u6578\u64da\u5206\u6790\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/li>\n<li><strong>\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\uff1a<\/strong>\u7531\u65bc\u80fd\u5920\u5728\u55ae\u500b\u6307\u4ee4\u4e2d\u8655\u7406\u66f4\u591a\u6578\u64da\uff0cAVX-512 \u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u8a08\u7b97\u6240\u9700\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u8c50\u5bcc\u7684\u6307\u4ee4\u96c6\uff1a<\/strong>AVX-512 \u63d0\u4f9b\u4e86\u591a\u7a2e\u5c08\u7528\u6307\u4ee4\uff0c\u80fd\u5920\u52a0\u901f\u7279\u5b9a\u985e\u578b\u7684\u8a08\u7b97\uff0c\u4f8b\u5982\u77e9\u9663\u904b\u7b97\u548c\u52a0\u5bc6\u7b97\u6cd5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-qfWMUJsVTw\">\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u8a31\u591a\u9700\u8981\u9ad8\u6027\u80fd\u8a08\u7b97\u7684\u9818\u57df\uff0c\u5982\u6a5f\u5668\u5b78\u7fd2\u3001\u5716\u50cf\u8655\u7406\u548c\u79d1\u5b78\u6a21\u64ec\uff0cSIMD \u548c AVX-512 \u6280\u8853\u7684\u61c9\u7528\u5df2\u7d93\u6210\u70ba\u63d0\u5347\u6027\u80fd\u7684\u95dc\u9375\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u80fd\u5920\u52a0\u901f\u8a08\u7b97\u904e\u7a0b\uff0c\u9084\u80fd\u5920\u964d\u4f4e\u80fd\u8017\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5728\u6df1\u5ea6\u5b78\u7fd2\u6a21\u578b\u7684\u8a13\u7df4\u904e\u7a0b\u4e2d\uff0c\u4f7f\u7528 AVX-512 \u53ef\u4ee5\u986f\u8457\u7e2e\u77ed\u8a13\u7df4\u6642\u9593\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u5927\u91cf\u8a08\u7b97\u8cc7\u6e90\u7684\u4efb\u52d9\u4f86\u8aaa\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qfWMUJsVTw\">\u7e3d\u7d50<\/h2>\n<p>SIMD \u548c AVX-512 \u6280\u8853\u5728\u73fe\u4ee3\u8a08\u7b97\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u5b83\u5011\u901a\u904e\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u4e26\u884c\u6027\u548c\u6548\u7387\uff0c\u70ba\u5404\u7a2e\u61c9\u7528\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u652f\u6301\u3002\u96a8\u8457\u8a08\u7b97\u9700\u6c42\u7684\u589e\u52a0\uff0c\u9019\u4e9b\u6280\u8853\u7684\u61c9\u7528\u5c07\u6703\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4ee5\u652f\u6301\u60a8\u7684\u8a08\u7b97\u9700\u6c42\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 SIMD \u548c AVX-512 \u7684\u6982\u5ff5\uff0c\u4e86\u89e3\u5b83\u5011\u5982\u4f55\u63d0\u5347\u8a08\u7b97\u6548\u80fd\u8207\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u8b93\u4f60\u66f4\u6df1\u5165\u638c\u63e1\u73fe\u4ee3\u8655\u7406\u6280\u8853\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-153243","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153243","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=153243"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153243\/revisions"}],"predecessor-version":[{"id":153244,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153243\/revisions\/153244"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}