{"id":1013,"date":"2021-08-19T01:47:54","date_gmt":"2021-08-18T16:47:54","guid":{"rendered":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/?p=1013"},"modified":"2022-02-25T10:45:30","modified_gmt":"2022-02-25T01:45:30","slug":"solve-a-2d-heat-equation-using-data-parallel-c","status":"publish","type":"post","link":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/2021\/08\/19\/solve-a-2d-heat-equation-using-data-parallel-c\/","title":{"rendered":"\u30c7\u30fc\u30bf\u4e26\u5217 C++ (DPC++) \u3067 2 \u6b21\u5143\u71b1\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f"},"content":{"rendered":"<h2>C \u3068 MPI \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092 DPC++ \u306b\u79fb\u690d\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3\u30fc<\/h2>\n<p>\u71b1\u306e\u65b9\u7a0b\u5f0f\u306f\u3001\u4e26\u5217\u8a08\u7b97\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b\u554f\u984c\u3067\u3059\u3002\u5b9f\u969b\u3001\u3053\u3053\u3067\u306f Partnership for Advanced Computing in Europe (PRACE) \u304c\u516c\u958b\u3057\u3066\u3044\u308b\u3088\u3046\u306a\u554f\u984c\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30b3\u30fc\u30c9<sup>1<\/sup>\u306f\u30012 \u6b21\u5143\u71b1\u65b9\u7a0b\u5f0f\u3092\u30b7\u30f3\u30b0\u30eb\u30fb\u30dd\u30a4\u30f3\u30c8\u30fb\u30b9\u30c6\u30f3\u30b7\u30eb\u306b\u96e2\u6563\u5316\u3057\u305f\u3082\u306e\u3092\u3001C \u8a00\u8a9e\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u30fb\u30d1\u30c3\u30b7\u30f3\u30b0\u30fb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9 (MPI) \u3067\u5b9f\u88c5\u3057\u305f\u3082\u306e\u3067\u3059 (\u56f3 1)\u30022 \u6b21\u5143\u5e73\u9762\u306f\u30bb\u30eb\u306b\u5206\u5272\u3055\u308c\u3001\u5404\u30bb\u30eb\u304a\u3088\u3073\u96a3\u63a5\u3059\u308b 4 \u3064\u306e\u30bb\u30eb\u306e\u4ee5\u524d\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u6642\u9593\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306b\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306e\u8a73\u7d30\u306a\u8aac\u660e\u306f PRACE \u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u30fc<sup>2<\/sup>\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1017\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog1.png\" alt=\"\" width=\"766\" height=\"173\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog1.png 766w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog1-300x68.png 300w\" sizes=\"auto, (max-width: 766px) 100vw, 766px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 1. 2 \u6b21\u5143\u71b1\u4f1d\u5c0e\u65b9\u7a0b\u5f0f\u3068\u30b7\u30f3\u30b0\u30eb\u30fb\u30dd\u30a4\u30f3\u30c8\u30fb\u30b9\u30c6\u30f3\u30b7\u30eb<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5b9f\u88c5\u3067\u306f\u3001500 \u6642\u9593\u30b9\u30c6\u30c3\u30d7\u51e6\u7406\u3059\u308b 2000\u00d72000 \u30bb\u30eb\u306e\u5e73\u9762\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3059 (\u56f3 2)\u3002\u5e73\u9762\u306f\u5747\u4e00\u6e29\u5ea6\u304c\u7570\u306a\u308b\u4e2d\u592e\u306e\u5186\u3092\u9664\u3044\u3066\u3001\u5747\u4e00\u6e29\u5ea6\u306b\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5916\u67a0\u306f 4 \u3064\u306e\u7570\u306a\u308b\u6e29\u5ea6\u306b\u56fa\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1018\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog2.png\" alt=\"\" width=\"828\" height=\"276\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog2.png 828w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog2-300x100.png 300w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog2-768x256.png 768w\" sizes=\"auto, (max-width: 828px) 100vw, 828px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 2\uff0e\u8a08\u7b97\u6a5f\u306e\u8a2d\u5b9a<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6a19\u6e96\u7684\u306a C\/C++ \u3067\u66f8\u304b\u308c\u305f\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a DPC++ \u306e\u69cb\u6210\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u3001\u7570\u306a\u308b\u4e26\u5217\u51e6\u7406\u30e6\u30cb\u30c3\u30c8\u3067\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002DPC++\u3001SYCL*\u3001oneAPI \u306e\u4f7f\u7528\u7d4c\u9a13\u304c\u3042\u308b\u3068\u7406\u89e3\u3057\u3084\u3059\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>DPC++ \u3078\u306e\u6700\u521d\u306e\u79fb\u884c<\/h2>\n<p>PRACE \u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306b\u306f\u3001\u554f\u984c\u3092\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30c3\u30b5\u30fc\u3068\u8907\u6570\u306e\u30ce\u30fc\u30c9\u3067\u51e6\u7406\u3055\u308c\u308b\u30bf\u30a4\u30eb\u306b\u5206\u5272\u3059\u308b\u305f\u3081\u306e MPI \u69cb\u6587\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30b3\u30a2\u306e\u8a08\u7b97\u306b\u96c6\u4e2d\u3059\u308b\u305f\u3081\u306b\u6700\u521d\u306f\u30b3\u30fc\u30c9\u304b\u3089\u524a\u9664\u3055\u308c\u3001\u4e26\u5217\u51e6\u7406\u3092\u5c0e\u5165\u5f8c\u30b3\u30fc\u30c9\u306b\u66f8\u304d\u623b\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u554f\u984c\u3092\u5358\u7d14\u5316\u3059\u308b\u305f\u3081\u306b\u3001\u51fa\u529b\u753b\u50cf\u306e\u5b9a\u671f\u7684\u306a\u66f8\u304d\u8fbc\u307f\u3084\u518d\u8d77\u52d5\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u306a\u3069\u306e\u6a5f\u80fd\u3082\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u3068\u6700\u5f8c\u306e\u5e73\u9762\u3092\u63cf\u5199\u3059\u308b\u753b\u50cf\u306e\u66f8\u304d\u8fbc\u307f\u306b\u95a2\u9023\u3059\u308b\u30b3\u30fc\u30c9\u306f\u3001\u4fbf\u5229\u306a\u6a5f\u80fd\u691c\u8a3c\u30c4\u30fc\u30eb\u3068\u3057\u3066\u6b8b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u30b7\u30f3\u30d7\u30eb\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u5358\u4e00\u30ab\u30fc\u30cd\u30eb\u3067\u5e73\u9762\u5168\u4f53\u3092\u66f4\u65b0\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002MPI \u30d9\u30fc\u30b9\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30a8\u30c3\u30b8\u3068\u5185\u90e8\u3092\u5206\u96e2\u3057\u3001\u5185\u90e8\u3092\u66f4\u65b0\u3057\u306a\u304c\u3089\u3001\u4ed6\u306e\u30d7\u30ed\u30bb\u30b9\u304b\u3089\u30cf\u30ed\u30fc\u3092\u30b3\u30d4\u30fc\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u30021 \u3064\u306e\u30bf\u30a4\u30eb\u306e\u30a8\u30c3\u30b8\u304c\u96a3\u63a5\u3059\u308b\u30bf\u30a4\u30eb\u306e\u30cf\u30ed\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u30cf\u30ed\u30fc\u304c\u66f4\u65b0\u3055\u308c\u305f\u5f8c\u3001\u30cf\u30ed\u30fc\u3068\u5185\u90e8\u306e\u4e21\u65b9\u306b\u4f9d\u5b58\u3059\u308b\u30a8\u30c3\u30b8\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059 (\u56f3 3)\u3002\u3053\u306e\u6700\u521d\u306e\u79fb\u884c\u4f5c\u696d\u3067\u306f\u3001\u30a8\u30c3\u30b8\u3068\u5185\u90e8\u306f 1 \u3064\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1019\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog3.png\" alt=\"\" width=\"770\" height=\"193\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog3.png 770w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog3-300x75.png 300w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog3-768x192.png 768w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 3. \u30c7\u30fc\u30bf\u306e\u914d\u7f6e\u3068\u4ea4\u63db<\/p>\n<p>&nbsp;<\/p>\n<h2>DPC++ \u306e\u30d8\u30c3\u30c0\u30fc\u3068\u540d\u524d\u7a7a\u9593<\/h2>\n<p>DPC++ \u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u30012 \u3064\u306e\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u30021 \u3064\u76ee\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001DCP++ \u8a00\u8a9e\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u3001DPC++ \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3068\u3068\u3082\u306b\u63d0\u4f9b\u3055\u308c\u3001main.c\u3001core.c\u3001\u304a\u3088\u3073 heat.h \u3067\u53c2\u7167\u3055\u308c\u307e\u3059\u30022 \u3064\u76ee\u306e\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u306f DPC++ \u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3<sup>3<\/sup>\u304b\u3089\u629c\u7c8b\u3057\u305f\u3082\u306e\u3067\u3001\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u305f\u3081\u306b\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30b3\u30fc\u30c9\u672c\u4f53\u306e SYCL* \u69cb\u9020\u3092\u5358\u7d14\u5316\u3059\u308b\u305f\u3081\u306b\u3001sycl \u540d\u524d\u7a7a\u9593\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">#include &lt;CL\/sycl.hpp&gt;\r\n#include \"dpc_common.hpp\"\r\n\r\nusing namespace sycl;\r\n<\/pre>\n<p>main.c \u306e\u305d\u306e\u4ed6\u306e\u5909\u66f4\u70b9\u306f\u3001\u5148\u982d\u3068\u6700\u5f8c\u304c DPC++ \u30b3\u30fc\u30c9\u3067\u30e9\u30c3\u30d7\u3055\u308c\u305f\u6642\u9593\u53cd\u5fa9\u30eb\u30fc\u30d7\u3092\u542b\u307f\u307e\u3059\u3002\u4ee5\u4e0b\u306e 5 \u3064\u306e\u30b3\u30fc\u30c9\u30bb\u30b0\u30e1\u30f3\u30c8\u306f\u9023\u7d9a\u3057\u305f\u30b3\u30fc\u30c9\u3067\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u8aac\u660e\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306b\u5206\u3051\u3066\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30c7\u30d0\u30a4\u30b9\u3068\u30ad\u30e5\u30fc<\/h2>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bb\u30ec\u30af\u30bf\u30fc\u304c\u9078\u629e\u3055\u308c\u3066\u304a\u308a\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u30ab\u30fc\u30cd\u30eb\u3092\u5b9f\u884c\u3059\u308b\u30bf\u30fc\u30b2\u30c3\u30c8\u30c7\u30d0\u30a4\u30b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u901a\u5e38\u306f\u3001GPU \u304c\u3042\u308b\u5834\u5408\u306f GPU \u304c\u4f7f\u7528\u3055\u308c\u3001\u306a\u3044\u5834\u5408\u306f\u30db\u30b9\u30c8 CPU \u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u7279\u5b9a\u306e\u30c7\u30d0\u30a4\u30b9\u3092\u4f7f\u7528\u3059\u308b\u306b\u306f\u3001default_selector \u306e\u4ee3\u308f\u308a\u306b cpu_selector \u307e\u305f\u306f gpu_selector \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6b21\u306b\u3001try-catch \u30d6\u30ed\u30c3\u30af\u3067\u30e9\u30c3\u30d7\u3055\u308c\u305f\u30bb\u30ec\u30af\u30bf\u30fc\u3068\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u30fc\u306b\u57fa\u3065\u3044\u3066 queue \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">default_selector d_selector;\r\ntry {\r\n  queue q(d_selector, dpc::exception_handler);\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30d0\u30c3\u30d5\u30a1\u30fc<\/h2>\n<p>\u30d0\u30c3\u30d5\u30a1\u30fc\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u30c7\u30d0\u30a4\u30b9\u306b\u5b58\u5728\u3059\u308b\u30c7\u30fc\u30bf\u306e\u30b3\u30f3\u30c6\u30ca\u30fc\u3067\u3042\u308a\u3001OpenCL* \u30b3\u30fc\u30c9\u306e\u30d7\u30ed\u30b0\u30e9\u30de\u30fc\u306b\u306f\u304a\u306a\u3058\u307f\u306e\u3082\u306e\u3067\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30b3\u30fc\u30c9\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u304b\u3089\u554f\u984c\u306e\u30b5\u30a4\u30ba\u3092\u53d6\u5f97\u3057\u3001\u30cf\u30ed\u30fc\u306e\u305f\u3081\u306b\u5404\u6b21\u5143\u306b 2 \u3064\u305a\u3064\u8ffd\u52a0\u3057\u307e\u3059 (\u5404\u8fba\u306b 1 \u3064\u306e\u30bb\u30eb) (\u56f3 3)\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30db\u30b9\u30c8\u914d\u5217\u306e\u554f\u984c\u30b5\u30a4\u30ba\u3068\u6b21\u5143\u306b\u57fa\u3065\u3044\u3066\u3001global_range \u3092 1 \u6b21\u5143\u306e\u7bc4\u56f2\u3068\u3057\u3066\u5ba3\u8a00\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u3053\u306e\u7bc4\u56f2\u3068\u30db\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u53c2\u7167\u3059\u308b\u30d0\u30c3\u30d5\u30a1\u30fc\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">size_t num_items = (current.nx + 2) * (current.ny + 2);\r\nauto global_range = range&lt;1&gt; (num_items);\r\nbuffer current_buf (current.data, global_range);\r\nbuffer previous_buf (previous.data, global_range);<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30ad\u30e5\u30fc\u306e\u30b5\u30d6\u30df\u30c3\u30c8\u3068\u30a2\u30af\u30bb\u30b5\u30fc<\/h2>\n<p>\u6642\u9593\u51e6\u7406 for \u30eb\u30fc\u30d7\u306f\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u304b\u3089\u5909\u66f4\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30eb\u30fc\u30d7\u306e\u53cd\u5fa9\u3054\u3068\u306b\u3001\u5b9a\u7fa9\u3055\u308c\u305f\u30ad\u30e5\u30fc\u306b\u5bfe\u3057\u30ab\u30fc\u30cd\u30eb\u3092\u30b5\u30d6\u30df\u30c3\u30c8\u3057\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b5\u30fc\u306f\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u304c\u30c7\u30d0\u30a4\u30b9\u4e0a\u3067\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u65b9\u6cd5\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\uff0c\u4e21\u65b9\u306e\u30d0\u30c3\u30d5\u30a1\u30fc\u306b\u5bfe\u3057\u3066 read_write \u30a2\u30af\u30bb\u30b9\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\u5404\u30eb\u30fc\u30d7\u306e\u53cd\u5fa9\u3067\u306f\u30011 \u3064\u306e\u30d0\u30c3\u30d5\u30a1\u30fc\u304c\u8aad\u307f\u8fbc\u307e\u308c\u30011 \u3064\u306e\u30d0\u30c3\u30d5\u30a1\u30fc\u304c\u66f8\u304d\u8fbc\u307e\u308c\u307e\u3059\u304c\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u304c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u5185\u306b\u7559\u307e\u3063\u3066\u3044\u308b\u9593\u306b\u30d0\u30c3\u30d5\u30a1\u30fc\u3092\u30b9\u30ef\u30c3\u30d7\u3059\u308b\u306e\u3067\u3001\u3053\u308c\u3089\u306e\u30d0\u30c3\u30d5\u30a1\u30fc\u3092 read \u307e\u305f\u306f write \u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/*Time evolve *\/\r\nfor (iter = iter0; &lt; iter0 + nsteps; iter++) {\r\n  q.submit([&amp;}(handler &amp;h) {\r\n  auto current_accessor =\r\n    current_buf.get_access&lt;sycl::access::mode::read_write&gt;(h);\r\n  auto previous_accessor =\r\n    previous_buf.get_access&lt;sycl::access::mode::read_write&gt;(h);<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30ab\u30fc\u30cd\u30eb\u5b9f\u884c<\/h2>\n<p>parallel_for \u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u672c\u6587\u306f\u3001\u3053\u306e\u554f\u984c\u306e\u3059\u3079\u3066\u306e\u30a2\u30a4\u30c6\u30e0 (\u3064\u307e\u308a\u3001\u3053\u306e\u5834\u5408\u306f\u30cf\u30ed\u30fc\u3092\u542b\u3080\u5e73\u9762\u4e0a\u306e\u3059\u3079\u3066\u306e\u30bb\u30eb) \u306b\u5bfe\u3057\u3066\u30b5\u30d6\u30df\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002\u8a08\u7b97\u3055\u308c\u308b\u30bb\u30eb\u3092\u8b58\u5225\u3059\u308b\u30ab\u30fc\u30cd\u30eb\u306b\u6e21\u3055\u308c\u308b 1 \u6b21\u5143\u306e ID \u3092\u5b9a\u7fa9\u3057\u307e\u3059\u30022 \u6b21\u5143\u306e ID \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30ab\u30fc\u30cd\u30eb\u672c\u4f53\u5185\u3067\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u88dc\u52a9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6700\u5c0f\u9650\u306e\u30b3\u30fc\u30c9\u5909\u66f4\u3067\u6a5f\u80fd\u7684\u306a\u79fb\u690d\u3092\u793a\u3059\u305f\u3081\u306b\u30011 \u6b21\u5143\u306e ID \u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002\u30ab\u30fc\u30cd\u30eb\u306e\u672c\u4f53\u306f\u3001\u5f8c\u8ff0\u3059\u308b\u5225\u30d5\u30a1\u30a4\u30eb core.c \u306e evolve \u95a2\u6570\u5185\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u540c\u7b49\u306e evolve \u95a2\u6570\u3078\u306e\u547c\u3073\u51fa\u3057\u30dd\u30a4\u30f3\u30bf\u30fc\u304c 1 \u3064\u3042\u308a\u3001\u30eb\u30fc\u30d7\u5185\u3067\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u30b9\u30ef\u30c3\u30d7\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u7ba1\u7406\u3092\u7c21\u5358\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u30eb\u30fc\u30d7\u306e\u53cd\u5fa9\u3054\u3068\u306b\u3001parallel_for \u3092\u500b\u5225\u306b\u547c\u3073\u51fa\u3057\u3066\u3001\u30a2\u30af\u30bb\u30b5\u30fc\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u5207\u308a\u66ff\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">   if ((iter -iter0) % 2 ==)\r\n      h.parallel_for({num_item}, [=](id&lt;1&gt; i) {\r\n        evolve(i, current_accessor.get_pointer(),\r\nprevious_accessor.get_pointer(),\r\n           current.nx_full, current.ny_full, dx2, dy2, a dt);\r\n      });\r\n   else\r\n      h.parallel_for({num_item}, [=](id&lt;1&gt; i) {\r\n        evolve(i, previous_accessor.get_pointer(),\r\ncurrent_accessor.get_pointer(),\r\n           current.nx_full, current.ny_full, dx2, dy2, a dt);\r\n      });\r\n  }); \/\/ submit\r\n} \/\/ for loop<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30a8\u30e9\u30fc\u51e6\u7406<\/h2>\n<p>\u30ab\u30fc\u30cd\u30eb\u306e\u5b9f\u884c\u4e2d\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u306f\u3001\u30db\u30b9\u30c8\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30b3\u30fc\u30d7\u306b\u6e21\u3055\u308c\u3001\u305d\u3053\u3067\u5f93\u6765\u306e C++ \u306e\u4f8b\u5916\u51e6\u7406\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u6a19\u6e96\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">} catch (exception const &amp;e) {\r\n  std::cont &lt;&lt; \"An exception is caught.\\n\";\r\n  std::terminate();\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9<\/h2>\n<p>\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001core.c \u306e\u5b8c\u5168\u306a\u30ea\u30b9\u30c8\u3067\u3059\u3002\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u901a\u4fe1\u3084\u3001\u5185\u90e8\u3068\u30a8\u30c3\u30b8\u306e\u8a08\u7b97\u3092\u5206\u96e2\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u305f\u3081\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u304b\u3089\u5927\u5e45\u306b\u7c21\u7d20\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001\u5f93\u6765\u306e CPU \u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3068\u540c\u69d8\u306b\u3001evolve \u95a2\u6570\u304c\u5e73\u9762\u5168\u4f53\u306b\u5bfe\u3057\u3066 1 \u56de\u3060\u3051\u547c\u3073\u51fa\u3055\u308c\uff0c2 \u3064\u306e\u30cd\u30b9\u30c8\u3055\u308c\u305f for \u30eb\u30fc\u30d7\u304c x \u304a\u3088\u3073 y \u6b21\u5143\u3092\u30c8\u30e9\u30d0\u30fc\u30b9\u3057\u3066\u5404\u30bb\u30eb\u306e\u66f4\u65b0\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002parallel_for \u547c\u3073\u51fa\u3057\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001next \u95a2\u6570\u306f\u500b\u3005\u306e\u30bb\u30eb\u3054\u3068\u306b\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001for \u30eb\u30fc\u30d7\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>parallel_for \u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u969b\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u7bc4\u56f2\u306b\u306f\u3001\u30cf\u30ed\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7bc4\u56f2\u306f\u66f4\u65b0\u3055\u308c\u307e\u305b\u3093\u304c\u3001\u30a8\u30c3\u30b8\u306e\u65b0\u3057\u3044\u5024\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3067\u3059\u3002\u30d0\u30c3\u30d5\u30a1\u30fc\u5916\u306e\u30e1\u30e2\u30ea\u30fc\u3092\u8aad\u307f\u8fbc\u3082\u3046\u3068\u3059\u308b\u3068\u3001\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u9055\u53cd\u306b\u306a\u308b\u306e\u3067\u3001if \u6587\u3092\u4f7f\u3063\u3066\u30cf\u30ed\u30fc\u3092\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306e\u8a08\u7b97\u306f\u30b3\u30fc\u30c9\u306e\u6700\u5f8c\u306e\u884c\u306b\u9650\u3089\u308c\u3066\u304a\u308a\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3068\u975e\u5e38\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u4ee5\u5916\u306e\u4e2d\u9593\u5909\u6570\u306f\u3001\u53ef\u8aad\u6027\u3092\u5411\u4e0a\u3059\u308b\u305f\u3081\u306b\u5ba3\u8a00\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u95a2\u6570\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u306f\u5fae\u5999\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u3082\u660e\u3089\u304b\u306a\u70b9\u306f\u3001\u3069\u306e\u30bb\u30eb\u304c\u8a08\u7b97\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a ID \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u307e\u305f\u3001dx \u3068 dy.dx2 \u3067\u306f\u306a\u304f\u3001dx2 \u3068 dy2 \u3092\u30ab\u30fc\u30cd\u30eb\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002dy2 \u306f\u3082\u3068\u3082\u3068\u30ab\u30fc\u30cd\u30eb\u3067\u8a08\u7b97\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u5024\u306f\u3059\u3079\u3066\u306e\u30bb\u30eb\u3067\u4e00\u5b9a\u3067\u3059\u3002\u65b0\u3057\u3044 evolve \u95a2\u6570\u306f\u3059\u3079\u3066\u306e\u30bb\u30eb\u306b\u5bfe\u3057\u3066\u547c\u3073\u51fa\u3055\u308c\u308b\u306e\u3067\u3001\u6bce\u56de\u3053\u308c\u3089\u306e\u5024\u3092\u8a08\u7b97\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u3053\u306e\u95a2\u6570\u3092 SYCL_EXTERNAL \u3068\u5ba3\u8a00\u3057\u3066\u3001\u3053\u308c\u304c\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3053\u3068\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u306b\u4f1d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u672c\u4f53\u304b\u3089\u306f\u660e\u3089\u304b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u3001\u30d8\u30c3\u30c0\u30fc\u30d5\u30a1\u30a4\u30eb\u306e\u95a2\u6570\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3082\u3053\u308c\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">#include &lt;CL\/sycl.hpp&gt;\r\n#include \"heat.h\"\r\n\r\nSYCL_EXTERNAL void evolve(sycl::id&lt;1&gt; i, double *curr, double * prev, int nx,\r\n  int ny, double dx2, double dy2, double a, double dt){\r\n\r\n  size_t width = ny + 2;\r\n  size_t num_items = (nx + 2) * (ny + 2);\r\n \r\n  if (i &gt; width &amp;&amp; i % width != 0 &amp;&amp; (i+1) % width != 0 &amp;&amp; i &lt; num_items -\r\nwidth) {\r\n\r\n     size_t iu = i - width; \r\n     size_t id = i + width;\r\n     size_t ir = i + 1;\r\n     size_t il = i - 1;\r\n\r\n     curr[i] = prev[i] + a * dt * ((prev[iu] - 2.0 * prev[i] + prev[id]) \/ dx2\r\n+           (prev[ir] - 2.0 * prev[i] + prev[il]) \/ dy2);\r\n    }\r\n  }\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30ab\u30fc\u30cd\u30eb\u306e\u30b3\u30f3\u30d1\u30a4\u30eb<\/h2>\n<p>\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3067\u306f mpicc \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002DPC++ \u7528\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u306b\u306f\u3001dpcpp \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3001Makefile \u3092\u9069\u5b9c\u5909\u66f4\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001PNG \u30d5\u30a1\u30a4\u30eb\u306e\u66f8\u304d\u51fa\u3057\u306b\u95a2\u9023\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306b\u306f C \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u304c\u5fc5\u8981\u3067\u3059\u3002\u305d\u3053\u3067\u3001GCC \u3092\u4f7f\u7528\u3057\u3001\u95a2\u6570\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092 extern &#8220;C&#8221; {&#8230;} \u3067\u30e9\u30c3\u30d7\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u306f libpng<sup>4<\/sup> \u3092\u53c2\u7167\u3057\u3066\u3044\u307e\u3059\u3002libpng \u306f sudo apt-get install libpng-dev \u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u304b\u3001\u30bd\u30fc\u30b9\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30d3\u30eb\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>FPGA \u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b<\/h2>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3068\u4fee\u6b63\u3055\u308c\u305f Makefile \u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u306a\u308b CPU \u3068 GPU \u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002FPGA \u306b\u3064\u3044\u3066\u306f\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3068 Makefile \u306b\u82e5\u5e72\u306e\u5909\u66f4\u3092\u52a0\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>FPGA \u304c\u5b9a\u7fa9\u3055\u308c\u305f\u3068\u304d\u306b fpga_selector \u3092\u9078\u629e\u3059\u308b\u3088\u3046\u306b main.c \u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">#include &lt;CL\/sycl\/INTEL\/fpga_extensions.hpp&gt;\r\n...\r\n#if FPGA\r\nINTEL::fpga_selector d_selector;\r\n#else\r\ndefault_selector d_selector\r\n#endif<\/pre>\n<p>Makefile \u306b\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3068\u30ea\u30f3\u30ab\u30fc\u5411\u3051\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001CPU\/GPU \u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u533a\u5225\u3059\u308b\u305f\u3081\u3001\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">CXXFLAGS=-03 -g -Wall -std=c++17 <strong>-fintelfpga -DFGA<\/strong>\r\nLDFLAGS=-L$(LIBPNG_ROOT)\/Lib <strong>-fsycl-link -Xshardware -fintelfpga<\/strong>\r\nEXE=<strong>heat.fpga<\/strong><\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud \u4e0a\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b<\/h2>\n<p>\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud<sup>5<\/sup> \u306f\u3001\u30d7\u30ea\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u74b0\u5883\u3068\u8907\u6570\u306e\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> CPU\u3001GPU\u3001\u304a\u3088\u3073 FPGA \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306b\u3088\u308a\u3001oneAPI \u304a\u3088\u3073 DPC++ \u3092\u7121\u6599\u3067\u8a66\u3059\u6a5f\u4f1a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud \u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u3059\u3067\u306b\u5229\u7528\u53ef\u80fd\u3067\u3001\u300eGet Started Guide\u300f<sup>6 <\/sup>\u306b\u5f93\u3063\u3066\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001libpng \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud \u3067\u306f sudo \u30a2\u30af\u30bb\u30b9\u304c\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u30bd\u30fc\u30b9\u304b\u3089\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u884c\u3044\u307e\u3059\u3002\u300c\u95a2\u9023\u60c5\u5831\u300d\u306e 7 \u304b\u3089\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud \u306b\u30b3\u30d4\u30fc\u3057\u3066\u304b\u3089\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">tar xf libpng-1.6.37.tar.gz\r\ncd libpng-1.6.37\/\r\n.\/configure  --prefix=\/home\/&lt;username&gt;\/lib\/libpng-1.6.37\r\nmake check\r\nmake install<\/pre>\n<p>\u305d\u306e\u5f8c\u3001~\/.bashrc \u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u304b\u3001\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3067\u3001\u74b0\u5883\u5909\u6570 LIBPNG_ROOT \u3092\u4f7f\u3063\u3066\u3001Makefile \u306e\u4e2d\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">export LIBPNG_ROOT=\/home\/&lt;user&gt;\/lib\/libpng-1.6.37\r\nexport LD_LIBRARY_PATH=\"$LD_LIBRARY_PATH:$LIBPNG_ROOT\/lib\"\r\n<\/pre>\n<p>\u71b1\u4f1d\u5c0e\u65b9\u7a0b\u5f0f\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u304a\u3088\u3073\u5b9f\u884c\u306b\u306f\u3001CPU \u3068 GPU \u306e\u95a2\u9023\u3059\u308b\u8a08\u7b97\u30ce\u30fc\u30c9\u4e0a\u3067\u3001\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u3066\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">qsub -I -I nodes=1:sk1:ppn=2 -d\r\nqsub -I -I nodes=1:gen9:ppn=2 -d<\/pre>\n<p>\u6b21\u306b\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7d42\u4e86\u3059\u308b\u524d\u306b\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">make\r\n.\/heat\r\nexit<\/pre>\n<p>FPGA \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u6b21\u306e\u3088\u3046\u306b FPGA \u30b3\u30f3\u30d1\u30a4\u30eb\u30ce\u30fc\u30c9\u306e 1 \u3064\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3066\u30d0\u30c3\u30c1\u30b8\u30e7\u30d6\u3068\u3057\u3066\u30b5\u30d6\u30df\u30c3\u30c8\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">qsub -1 nodes=1:fpga_compile:ppn=2 -d . . \/compile_fpga.sh<\/pre>\n<p>\u307e\u305f\u3001CPU \u3068 GPU \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u306e\u9593\u3067 make clean \u3092\u884c\u3046\u304b\u3001FPGA \u306f\u3001\u7af6\u5408\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u5225\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30fc\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002compile_fpga.sh \u306e\u5185\u5bb9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u5b9f\u884c\u53ef\u80fd\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"lang:default decode:true\">#!\/bin\/bach\r\nmake -f Makefile.fpga<\/pre>\n<p>\u6ce8) FPGA \u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u7528\u306b\u5225\u306e Makefile \u3092\u4fdd\u6301\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30b8\u30e7\u30d6\u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u306f qstat \u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u6b63\u5e38\u306b\u5b8c\u4e86\u3059\u308b\u3068\u3001\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u958b\u59cb\u3057\u3066\u3001FPGA \u4e0a\u3067\u30ab\u30fc\u30cd\u30eb\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">qsub -I -1 nodes=1:fpga_runtime:ppn=2 -d .<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u52d5\u4f5c\u306e\u691c\u8a3c<\/h2>\n<p>\u5b9f\u884c\u7d42\u4e86\u6642\u306b\u306f\u3001\u30db\u30b9\u30c8\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u7279\u5b9a\u306e\u30bb\u30eb\u306e\u6700\u7d42\u5024\u3092\u7aef\u672b\u306b\u8868\u793a\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u6700\u7d42\u5e73\u9762\u306e PNG \u753b\u50cf\u3092\u51fa\u529b\u3057\u307e\u3059 (\u56f3 4)\u3002\u3053\u306e\u7279\u5b9a\u306e\u5024\u306f\u3001\u7570\u306a\u308b\u30b3\u30fc\u30c9\u306e\u53cd\u5fa9\u3084\u30ab\u30fc\u30cd\u30eb\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u5bfe\u3059\u308b\u30af\u30a4\u30c3\u30af\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u306e\u5024\u306f\u3001CPU\u3001GPU\u3001FPGA \u3067\u5b9f\u884c\u3057\u3066\u3082\u540c\u3058\u3067\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306e\u5024\u3068\u4e00\u81f4\u3057\u307e\u3059\u3002PNG \u753b\u50cf\u306f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30fc\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u30013 \u3064\u306e\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u3084\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306b\u9055\u3044\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3002<img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1020\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog4.png\" alt=\"\" width=\"835\" height=\"342\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog4.png 835w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog4-300x123.png 300w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog4-768x315.png 768w\" sizes=\"auto, (max-width: 835px) 100vw, 835px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 4. \u6700\u7d42\u9762\u306e PNG \u753b\u50cf<\/p>\n<h2>MPI \u306e\u5b9f\u88c5<\/h2>\n<p>MPI \u30de\u30eb\u30c1\u30d7\u30ed\u30bb\u30b9\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u30b3\u30fc\u30c9\u306b\u8ffd\u52a0\u3059\u308b\u524d\u306b\u3001\u30db\u30b9\u30c8\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u9593\u3067\u554f\u984c\u3092\u3069\u306e\u3088\u3046\u306b\u5206\u5272\u3059\u308b\u304b\u3001\u307e\u305f\u3001\u6f14\u7b97\u3092\u3069\u306e\u3088\u3046\u306b\u4e26\u5217\u5316\u3059\u308b\u304b\u3092\u898b\u3064\u3051\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u59a5\u5f53\u306a\u958b\u59cb\u70b9\u306f\u3001\u30a8\u30c3\u30b8\u306e\u8a08\u7b97\u3068\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u8ee2\u9001\u3092\u30db\u30b9\u30c8\u306b\u4efb\u305b\u3001\u5185\u90e8\u306e\u8a08\u7b97\u306f\u30c7\u30d0\u30a4\u30b9\u306b\u4efb\u305b\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u3082\u4e00\u81f4\u3057\u307e\u3059\u3002\u6642\u9593\u53cd\u5fa9\u30eb\u30fc\u30d7\u3067\u306f\u3001\u5404\u53cd\u5fa9\u306e\u7d42\u308f\u308a\u306b\u30dd\u30a4\u30f3\u30bf\u30fc\u3092\u30b9\u30ef\u30c3\u30d7\u3059\u308b\u524d\u306b\u540c\u671f\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u3051\u3066\u3001\u30a8\u30c3\u30b8\u3068\u306f\u72ec\u7acb\u3057\u3066\u5185\u90e8\u3092\u51e6\u7406\u3067\u304d\u307e\u3059 (\u56f3 5)\u30022 \u3064\u306e\u884c\u306f\u4e26\u884c\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1021\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog5.png\" alt=\"\" width=\"840\" height=\"312\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog5.png 840w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog5-300x111.png 300w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog5-768x285.png 768w\" sizes=\"auto, (max-width: 840px) 100vw, 840px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 5. \u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u5165\u308c\u66ff\u3048<\/p>\n<p>\u3082\u3046 1 \u3064\u91cd\u8981\u306a\u306e\u306f\u3001MPI \u30d7\u30ed\u30bb\u30b9\u9593\u3067\u554f\u984c\u3092\u3069\u306e\u3088\u3046\u306b\u5206\u5272\u3059\u308b\u304b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3067\u306f 2 \u6b21\u5143\u5206\u89e3\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u30014 \u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u554f\u984c\u3092 4 \u3064\u306e\u8c61\u9650 (2\u00d72\u30bf\u30a4\u30eb) \u306b\u5206\u5272\u3057\u3066\u3044\u307e\u3059\u3002\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3060\u3051\u3092\u8ee2\u9001\u3059\u308b\u5834\u5408\u3001\u30db\u30b9\u30c8\u3068\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306f\u8907\u96d1\u306b\u306a\u308a\u3001\u5de6\u7aef\u3068\u53f3\u7aef\u306e\u500b\u3005\u306e PCIe* \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u591a\u6570\u767a\u751f\u3057\u307e\u3059\u30021 \u56de\u306e\u5927\u304d\u306a\u8ee2\u9001\u306f\u8907\u6570\u56de\u306e\u5c0f\u3055\u306a\u8ee2\u9001\u3088\u308a\u3082\u9ad8\u901f\u3067\u3042\u308b\u305f\u3081\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u5185\u90e8\u51e6\u7406\u306e\u5404\u53cd\u5fa9\u9593\u3067\u30c7\u30fc\u30bf\u5e73\u9762\u5168\u4f53\u3092\u8ee2\u9001\u3059\u308b\u65b9\u304c\u52b9\u7387\u7684\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3088\u308a\u826f\u3044\u65b9\u6cd5\u306f\u3001\u554f\u984c\u3092 1 \u6b21\u5143\u306e\u307f\u3067\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u30db\u30b9\u30c8\u3068\u30c7\u30d0\u30a4\u30b9\u306e\u9593\u3067\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u3060\u3051\u3092\u8ee2\u9001\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u306e\u8ee2\u9001\u306b\u5fc5\u8981\u306a\u306e\u306f\u30012 \u3064\u306e\u30ed\u30c3\u30c8\u306e\u9023\u7d9a\u3057\u305f\u30e1\u30e2\u30ea\u30fc (\u4e0a\u8fba\u3068\u4e0b\u8fba) \u3060\u3051\u3067\u3059 (\u56f3 6)\u3002\u56f3 7 \u306f\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u306e\u306b\u304b\u304b\u3063\u305f\u6642\u9593\u3067\u6b63\u898f\u5316\u3057\u305f\u76f8\u5bfe\u5b9f\u884c\u6642\u9593\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u30021 \u6b21\u5143\u5b9f\u88c5\u3067\u306f\u3001\u3053\u306e\u554f\u984c\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30a8\u30c3\u30b8\u304c\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5de6\u53f3\u306e\u30a8\u30c3\u30b8\u3092\u8ee2\u9001\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u30011 \u6b21\u5143\u3068 2 \u6b21\u5143\u306e\u5206\u89e3\u3067\u8ee2\u9001\u3055\u308c\u308b\u30c7\u30fc\u30bf\u91cf\u306f\u540c\u3058\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1022\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog6.jpg\" alt=\"\" width=\"727\" height=\"358\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog6.jpg 727w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog6-300x148.jpg 300w\" sizes=\"auto, (max-width: 727px) 100vw, 727px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 6. 1 \u6b21\u5143\u30c7\u30fc\u30bf\u3068 2 \u6b21\u5143\u30c7\u30fc\u30bf\u306e\u5206\u89e3<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1023\" src=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog7.jpg\" alt=\"\" width=\"794\" height=\"344\" srcset=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog7.jpg 794w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog7-300x130.jpg 300w, https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-content\/uploads\/sites\/5\/2021\/08\/intel_blog7-768x333.jpg 768w\" sizes=\"auto, (max-width: 794px) 100vw, 794px\" \/><\/p>\n<p style=\"text-align: center;\">\u56f3 7\uff0e\u76f8\u5bfe\u7684\u306a\u5b9f\u884c\u6642\u9593<\/p>\n<p>setup.c \u306e MPI_Dims_create \u95a2\u6570\u306b\u6e21\u3059\u6b21\u5143\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u3067\u3001\u5f37\u5236\u7684\u306b 1 \u6b21\u5143\u306e\u5206\u89e3\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306b\u30bc\u30ed\u3092\u6e21\u3059\u3053\u3068\u3067\u3001\u30e9\u30f3\u30bf\u30a4\u30e0\u304c\u5404\u6b21\u5143\u306e\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30022 \u3064\u76ee\u306e\u5024\u3068\u3057\u3066 1 \u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5358\u4e00\u5217\u5b9f\u88c5\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">\/\/int dims[2] = {0, 0};\r\nint dims[2] = {0, 1};<\/pre>\n<p>\u3053\u308c\u307e\u3067\u306e\u5b9f\u88c5\u3067\u4f7f\u308f\u308c\u3066\u3044\u305f\u30d0\u30c3\u30d5\u30a1\u30fc\u306e\u5b9f\u88c5\u3067\u306f\u3001\u5b9f\u884c\u524d\u306b\u6697\u9ed9\u7684\u306b\u30c7\u30d0\u30a4\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3057\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u304c\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u5916\u308c\u305f\u3068\u304d\u306b\u518d\u3073\u30c7\u30fc\u30bf\u3092\u623b\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u30eb\u30fc\u30d7\u5185\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u5fc5\u8981\u3067\u3059\u3002\u7d71\u5408\u5171\u6709\u30e1\u30e2\u30ea\u30fc (USM) \u30e2\u30c7\u30eb\u3067\u306f\u3001\u30c7\u30fc\u30bf\u3092\u30c7\u30d0\u30a4\u30b9\u3001\u30db\u30b9\u30c8\u3001\u5171\u6709\u306e\u3044\u305a\u308c\u304b\u306b\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u304a\u306a\u3058\u307f\u306e C++ \u69cb\u6587\u3067\u30e1\u30e2\u30ea\u30fc\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u30db\u30b9\u30c8\u3068\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u660e\u793a\u7684\u306b\u5236\u5fa1\u3067\u304d\u308b\u3001\u30c7\u30d0\u30a4\u30b9\u5272\u308a\u5f53\u3066\u30e1\u30e2\u30ea\u30fc\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3092\u958b\u59cb\u70b9\u3068\u3057\u3001MPI \u306e\u30b3\u30fc\u30c9\u3092\u3059\u3079\u3066\u6b8b\u3057\u305f\u4e0a\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002\u30d8\u30c3\u30c0\u30fc\u3068\u540d\u524d\u7a7a\u9593\u306e\u5909\u66f4\u306f\u3001\u4ee5\u524d\u3068\u540c\u3058\u306a\u306e\u3067\u3053\u3053\u3067\u306f\u7701\u7565\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e 5 \u3064\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u3001\u9023\u7d9a\u3057\u305f\u30b3\u30fc\u30c9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30c7\u30d0\u30a4\u30b9\u30e1\u30e2\u30ea\u30fc\u306e\u5272\u308a\u5f53\u3066<\/h2>\n<p>\u30c7\u30d0\u30a4\u30b9\u30bb\u30ec\u30af\u30bf\u30fc\u3068\u30ad\u30e5\u30fc\u306f\u3001\u6700\u521d\u306e\u5b9f\u88c5\u3068\u540c\u3058\u3067\u3059\u3002\u30d0\u30c3\u30d5\u30a1\u30fc\u306e\u4ee3\u308f\u308a\u306b malloc_device \u3092\u4f7f\u7528\u3057\u3066\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u30e1\u30e2\u30ea\u30fc\u3092\u660e\u793a\u7684\u306b\u5b9a\u7fa9\u3057\u3001\u660e\u793a\u7684\u306a memcpy \u95a2\u6570\u3067\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u30fb\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306b\u3001\u30ad\u30e5\u30fc\u3092\u53c2\u7167\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002wait \u95a2\u6570\u306f\u3001\u524d\u306e\u30e1\u30e2\u30ea\u30fc\u64cd\u4f5c\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u3061\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30db\u30b9\u30c8\u3068\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30bf\u30fc\u306e\u4e26\u5217\u52d5\u4f5c\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u8981\u6c42\u3055\u308c\u305f\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u9001\u4fe1\u3057\u305f\u5f8c\u3082\u30db\u30b9\u30c8\u306e\u5b9f\u884c\u3092\u7d99\u7d9a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3067\u3059\u3002\u5f85\u6a5f\u6a5f\u80fd\u306f\u3001\u30db\u30b9\u30c8\u306e\u5b9f\u884c\u3092\u7d99\u7d9a\u3059\u308b\u524d\u306b\u3001\u5b9f\u884c\u9806\u5e8f\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30ad\u30e5\u30fc\u5185\u306e\u3059\u3079\u3066\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u5b8c\u4e86\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306e\u540c\u671f\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u524d\u8ff0\u306e\u4f8b\u3067\u306f\u3001SYCL* \u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u30d0\u30c3\u30d5\u30a1\u30fc\u3092\u4f7f\u3063\u3066\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u64cd\u4f5c\u3092\u884c\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:default decode:true \">default_selector d_selector;\r\ntry {\r\n  queue q(d_selector, dpc::exception_handler);\r\n\r\n  size_t num_item = (current.nx + 2) * (current.ny + 2);\r\n  auto dev_curr = malloc_device&lt;double&gt;((num_item), q);\r\n  auto dev_prev = malloc_device&lt;double&gt;((num_item), q);\r\n\r\n  q.memcpy (dev_curr, current.data, num_items * sizeof(double));\r\n  q.memcpy (dev_prev, previous.data, num_items * sizeof(double));\r\n  q.wait();<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30a8\u30c3\u30b8\u3092\u30c7\u30d0\u30a4\u30b9\u306b\u30b3\u30d4\u30fc\u3059\u308b<\/h2>\n<p>\u5404\u6642\u9593\u30b9\u30c6\u30c3\u30d7\u306e\u6700\u521d\u306b\u3001\u5404\u30b9\u30e9\u30a4\u30b9\u306e\u4e0a\u4e0b\u304c\u3001\u30a8\u30c3\u30b8\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30bf\u30fc\u6f14\u7b97\u3092\u7528\u3044\u3066\u3001\u30db\u30b9\u30c8\u304b\u3089\u30c7\u30d0\u30a4\u30b9\u306b\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30a8\u30c3\u30b8\u306f\u3001\u30cf\u30ed\u30fc\u306e\u5f71\u97ff\u3067\u3001\u305d\u308c\u305e\u308c\u4e0a\u4e0b 1 \u5217\u305a\u3064\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u6700\u521d\u306b\u30b3\u30d4\u30fc\u64cd\u4f5c\u304c\u958b\u59cb\u3055\u308c\u3001\u7d9a\u3044\u3066\u4ea4\u63db\u6a5f\u80fd\u3001\u305d\u3057\u3066\u5f85\u6a5f\u6a5f\u80fd\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30b3\u30d4\u30fc\u3068\u4ea4\u63db\u304c\u4e26\u884c\u3057\u3066\u884c\u308f\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">\/* Time evolve *\/\r\n for (iter = iter0; iter &lt; iter0 + nsteps; iter++) {\r\n   \r\n    q.memory (dev_prev + previous.ny+2, previous.data+previous.ny+2,\r\n               (previous.ny+2) * sizeof(double));\r\n    q.memory (dev_prev +  (previous.ny+2) * previous.nx, previous.data +\r\n               (previous.ny+2) * previous.nx, (previous.ny+2) * sizeof(double));\r\n\r\n    exchange_init(&amp;previous, &amp;parallelization);\r\n    q.wait();<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30ab\u30fc\u30cd\u30eb\u306e\u5b9f\u884c<\/h2>\n<p>\u3053\u306e\u5b9f\u88c5\u3067\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u5e73\u9762\u5168\u4f53\u3067\u306f\u306a\u304f\u5185\u90e8\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u305d\u308c\u306b\u5408\u308f\u305b\u3066\u8a08\u7b97\u306e\u95a2\u6570\u540d\u3082\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3082\u3046 1 \u3064\u306e\u5fae\u5999\u306a\u9055\u3044\u306f\u3001\u30d0\u30c3\u30d5\u30a1\u30fc\u30a2\u30af\u30bb\u30b5\u30fc\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u4ee3\u308f\u308a\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u30e1\u30e2\u30ea\u30fc\u30dd\u30a4\u30f3\u30bf\u30fc\u304c\u6e21\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002exchange_finalize \u95a2\u6570\u306f\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306b\u3042\u3063\u305f\u3082\u306e\u3067\u3001\u30a8\u30c3\u30b8\u3092\u51e6\u7406\u3059\u308b\u524d\u306b MPI \u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u3061\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30ab\u30fc\u30cd\u30eb\u304c\u5b8c\u4e86\u3059\u308b\u306e\u3092\u5f85\u3063\u3066\u304b\u3089\u3001\u5185\u90e8\u306e\u30a8\u30c3\u30b8\u3092\u30db\u30b9\u30c8\u306b\u30b3\u30d4\u30fc\u3057\u3066\u623b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">  q.submit([&amp;](sycl::habdler &amp;h) {\r\n      h.parallel_for(num_items, [=] (id&lt;1&gt; i) {\r\n        evolve_interior(i, dev_curr, dev_prev, current.nx, current.ny, dx2,\r\ndy2, a,\r\n                        dt);\r\n      });\r\n   });\r\n\r\n   exchange_finalize(&amp;parallelization);\r\n   evolve_edges(&amp;current, $previous, a, dt);\r\n\r\n   q.wait();\r\n   q.memcpy (current.data + (current.ny+2) * 2, dev_curr + 2 * (current.ny+2),\r\n             (current.ny+2) * sizeof (double)):\r\n   q.memcpy (current.data + (current.ny+2) * 2, (dev_curr - 1) ,dev_curr +\r\n             (current.ny+2) * (current.nx -1), (current.ny+2) * sizeof\r\n(double));\r\n    q.wait();\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u30b9\u30ef\u30c3\u30d7<\/h2>\n<p>\u5404\u6642\u9593\u53cd\u5fa9\u306e\u6700\u5f8c\u306e\u30b9\u30c6\u30c3\u30d7\u306f\u3001\u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u30b9\u30ef\u30c3\u30d7\u3067\u3059\u3002\u30db\u30b9\u30c8\u3067\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u306b\u3042\u3063\u305f swap_fields \u95a2\u6570\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3001\u5358\u7d14\u306a\u30dd\u30a4\u30f3\u30bf\u30fc\u306e\u30b9\u30ef\u30c3\u30d7\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">swap_fields(&amp;current, &amp;previous);\r\n  double *dev_tem = dev_curr;\r\n  dev_curr = dev_prev;\r\n  dev_prev = dev_tmp;\r\n} \/\/ for loop<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u5b8c\u4e86<\/h2>\n<p>\u30ab\u30fc\u30cd\u30eb\u306e\u52d5\u4f5c\u3092\u7d42\u4e86\u3059\u308b\u305f\u3081\u306b\u3001\u4e21\u65b9\u306e\u5e73\u9762\u3092\u30db\u30b9\u30c8\u306b\u30b3\u30d4\u30fc\u3057\u3066\u623b\u3057\u3001\u4ee5\u524d\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u30e1\u30e2\u30ea\u30fc\u3092\u89e3\u653e\u3057\u3001\u767a\u751f\u3057\u305f\u53ef\u80fd\u6027\u306e\u3042\u308b\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">device memory and catch any exceptions that may have occurred.\r\nq.memcqy (current.data + 2 * (current.ny+2), dev_curr + 2 * (current.ny+2),\r\n           (current.ny+2) * (current.ny-2) * sizeof (double));\r\nq.memcqy (previous.data + 2 * (previous.ny+2), dev_prev + 2 * (previous.ny+2),\r\n           (previous.ny+2) * (previous.nx-2) * sizeof (double));\r\nq.wait();\r\n\r\nfree(dev_curr, q);\r\nfree(dev_prev, q);\r\n\r\n} catch {exception const &amp;e) {\r\n  std::cout &lt;&lt; \"An exception is caught.\" &lt;&lt; std::endl;\r\n  std:: terminate();\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9<\/h2>\n<p>\u30ab\u30fc\u30cd\u30eb\u30b3\u30fc\u30c9\u306f\u524d\u56de\u306e\u5b9f\u88c5\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002\u552f\u4e00\u306e\u9055\u3044\u306f if \u6587\u306b\u3042\u308a\u307e\u3059\u3002\u4e0a\u4e0b\u306e\u30cf\u30ed\u30fc\u3068\u30a8\u30c3\u30b8\u306e\u4e21\u65b9\u3092\u9664\u5916\u3057\u3001\u5de6\u53f3\u306e\u30a8\u30c3\u30b8\u306e\u30cf\u30ed\u30fc\u3060\u3051\u3092\u9664\u5916\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">SYCL_EXTERNAL void evolve_interior(sycl::id&lt;1&gt; i, double *curr, double *prev,\r\n  int nx, int ny, double dx2, double dy2, double a, double dt)\r\n{\r\n  size_t width = ny + 2;\r\n  size_t num_item = (ny + 2) * (nx + 2);\r\n\r\n  if (i &gt; (width*2) &amp;&amp; (i % width) &gt; 0 &amp;&amp; (i % width) &lt; (width-1) &amp;&amp; i &lt;\r\n     (num_item - width*2)) {\r\n \r\n    int iu = i - width;\r\n    int id = i - width;\r\n    int ir = i - 1;\r\n    int il = i - 1;\r\n\r\n    curr[1] = prev[i] + a * dt * ((prev[iu] - 2.0f * prev[i]) + prev[id]) \/ dx2\r\n+\r\n                                  (prev[ir] - 2.0f * prev[i] + prev[il]) \/\r\ndy2);\r\n  }\r\n}\r\n<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u8ffd\u52a0\u5909\u66f4\u70b9<\/h2>\n<p>\u5de6\u53f3\u306e\u30a8\u30c3\u30b8\u306f\u30c7\u30d0\u30a4\u30b9\u30ab\u30fc\u30cd\u30eb\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3055\u305b\u3066\u3044\u308b\u306e\u3067\u3001evolve_edges \u95a2\u6570\u3067\u30db\u30b9\u30c8 CPU \u304b\u3089\u3053\u306e\u64cd\u4f5c\u3092\u53d6\u308a\u9664\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u95a2\u6570\u306f 4 \u3064\u306e for \u30eb\u30fc\u30d7\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u5404\u30a8\u30c3\u30b8\u306b 1 \u3064\u305a\u3064\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u5de6\u53f3\u306e\u30a8\u30c3\u30b8\u306f\u6700\u5f8c\u306e 2 \u3064\u3067\u3001\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>MPI \u3092\u4f7f\u3063\u305f\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u5b9f\u884c<\/h2>\n<p>oneAPI DPC++ \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> MPI \u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u30a4\u30f3\u30af\u30eb\u30fc\u30c9\u304a\u3088\u3073\u30ea\u30f3\u30af\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">CXXFLAGS=-o3 -Wall -std=c++17 <strong>-I$(I_MPI_ROOT)\/intel64\/inc<\/strong>\r\nLDFLAGS=-L$(LIBPNG_ROOT)\/lib <strong>-L$(I_MPI_ROOT)\/intel64\/lib<\/strong>\r\nLIBS=-1png -1m <strong>-1mpi <\/strong><\/pre>\n<p>\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u306b\u306f\u3001mpirun \u3092\u4f7f\u7528\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u6570\u3068\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u6e21\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">mpirun -np 4 .\/heat<\/pre>\n<p>\u30b7\u30f3\u30b0\u30eb\u30dd\u30a4\u30f3\u30c8\u5024\u3068 PNG \u6bd4\u8f03\u306e\u4e21\u65b9\u3067\u3001\u3053\u306e\u5b9f\u88c5\u304c\u4ee5\u524d\u306e\u5b9f\u88c5\u3084\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30fc\u30c9\u3068\u6a5f\u80fd\u7684\u306b\u4e00\u81f4\u3059\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6301\u3064\u5358\u4e00\u30ce\u30fc\u30c9\u3067\u5b9f\u884c\u3057\u3066\u3082\u3001\u8907\u6570\u306e GPU \u3092\u4f7f\u7528\u3059\u308b\u8907\u6570\u306e\u30ce\u30fc\u30c9\u3067\u5b9f\u884c\u3057\u3066\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30b3\u30fc\u30c9\u306b\u3044\u304f\u3064\u304b\u306e\u57fa\u672c\u7684\u306a\u5909\u66f4\u3092\u52a0\u3048\u308b\u3060\u3051\u3067\u3001\u6a19\u6e96\u7684\u306a\u554f\u984c\u3092\u30d0\u30c3\u30d5\u30a1\u30fc\u3068\u30a2\u30af\u30bb\u30b5\u30fc\u3092\u4f7f\u3063\u305f DPC++ \u306e\u5b9f\u88c5\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u30a4\u30f3\u30c6\u30eb<sup>\u00ae<\/sup> DevCloud \u3092\u4f7f\u7528\u3057\u3066\u30b3\u30fc\u30c9\u3092\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3001CPU\u3001GPU\u3001FPGA \u306a\u3069\u306e\u8907\u6570\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u4e0a\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u308c\u305e\u308c\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u3067\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u5b9f\u88c5\u3068\u540c\u3058\u6a5f\u80fd\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001MPI \u3092\u4f7f\u3063\u3066\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u9593\u306e\u30c7\u30fc\u30bf\u30d5\u30ed\u30fc\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3001\u30db\u30b9\u30c8\u3068\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u30e1\u30e2\u30ea\u30fc\u8ee2\u9001\u306b USM \u3092\u4f7f\u3063\u3066\u660e\u793a\u7684\u306b\u5236\u5fa1\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u95a2\u9023\u60c5\u5831<\/h2>\n<ol>\n<li>\u00a0<a href=\"https:\/\/repository.prace-ri.eu\/git\/CodeVault\/training-material\/parallel-programming\/MPI\/-\/tree\/master\/heat-equation\/c\">PRACE MPI Implementation of Two-Dimensional Heat Equation Using MPI and C<\/a><\/li>\n<li>\u00a0<a href=\"https:\/\/repository.prace-ri.eu\/git\/CodeVault\/training-material\/parallel-programming\/MPI\/-\/blob\/master\/heat-equation\/README.md\">PRACE Description of the Two-Dimensional Heat Equation<\/a><\/li>\n<li>\u00a0<a href=\"https:\/\/github.com\/oneapi-src\/oneAPI-samples\/tree\/master\/DirectProgramming\">oneAPI Direct Programming Samples<\/a><\/li>\n<li>\u00a0<a href=\"http:\/\/www.libpng.org\/\">LibPNG<\/a><\/li>\n<li>\u00a0<a href=\"https:\/\/devcloud.intel.com\/oneapi\/\">Intel<sup>\u00ae<\/sup> DevCloud<\/a><\/li>\n<li>\u00a0<a href=\"https:\/\/devcloud.intel.com\/oneapi\/get_started\/\">Intel DevCloud Get Started Guide<\/a><\/li>\n<li>\u00a0<a href=\"https:\/\/sourceforge.net\/projects\/libpng\/files\/\">LibPNG Source Code<\/a><\/li>\n<\/ol>\n<hr \/>\n<p>\u672c\u8a18\u4e8b\u3067\u3054\u7d39\u4ecb\u3057\u3066\u3044\u308b<a href=\"https:\/\/www.xlsoft.com\/jp\/products\/intel\/compilers\/dpc\/index.html\" target=\"_blank\" rel=\"noopener\"> Intel oneAPI DPC++\/C++ \u30b3\u30f3\u30d1\u30a4\u30e9\u30fc <\/a> \u306f Intel oneAPI \u30d9\u30fc\u30b9\u30fb\u30c4\u30fc\u30eb\u30ad\u30c3\u30c8\u306b\u540c\u68b1\u3055\u308c\u3066\u304a\u308a\u307e\u3059\u3002<br \/>\n\u8a73\u3057\u3044\u60c5\u5831\u306f<a href=\"https:\/\/www.xlsoft.com\/jp\/products\/intel\/oneapi\/index.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a>\u304b\u3089\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<hr \/>\n<p>\u53c2\u7167\u8a18\u4e8b:<br \/>\n<a href=\"https:\/\/software.intel.com\/content\/www\/us\/en\/develop\/articles\/solve-a-2d-heat-equation-using-data-parallel-c.html\" target=\"_blank\" rel=\"noopener\">Solve a 2D Heat Equation Using Data Parallel C++ (DPC++)<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>C \u3068 MPI \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092 DPC++ \u306b <a class=\"mh-excerpt-more\" href=\"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/2021\/08\/19\/solve-a-2d-heat-equation-using-data-parallel-c\/\" title=\"\u30c7\u30fc\u30bf\u4e26\u5217 C++ (DPC++) \u3067 2 \u6b21\u5143\u71b1\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":1019,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[32,29,15,30,26,17,16,31,14,33],"class_list":["post-1013","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1","tag-32","tag-c","tag-cpu","tag-devcloud","tag-dpc","tag-fpga","tag-gpu","tag-mpi","tag-oneapi","tag-sycl"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/posts\/1013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/comments?post=1013"}],"version-history":[{"count":21,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/posts\/1013\/revisions"}],"predecessor-version":[{"id":1107,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/posts\/1013\/revisions\/1107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/media\/1019"}],"wp:attachment":[{"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/media?parent=1013"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/categories?post=1013"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xlsoft.com\/jp\/blog\/intel\/wp-json\/wp\/v2\/tags?post=1013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}