{"id":2794,"date":"2026-03-24T12:07:15","date_gmt":"2026-03-24T04:07:15","guid":{"rendered":"https:\/\/airy.cn\/WordPress\/?p=2794"},"modified":"2026-03-24T12:07:15","modified_gmt":"2026-03-24T04:07:15","slug":"ls-dyna-mpp%ef%bc%88%e5%88%86%e5%b8%83%e5%bc%8f%e5%b9%b6%e8%a1%8c%ef%bc%89%e6%a8%a1%e5%bc%8f%e4%b8%ad%e7%9a%84%e5%86%85%e5%ad%98%e5%88%86%e9%85%8d%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/airy.cn\/WordPress\/?p=2794","title":{"rendered":"LS-DYNA MPP\uff08\u5206\u5e03\u5f0f\u5e76\u884c\uff09\u6a21\u5f0f\u4e2d\u7684\u5185\u5b58\u5206\u914d\u673a\u5236"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728 LS-DYNA MPP\uff08\u5206\u5e03\u5f0f\u5e76\u884c\uff09\u6a21\u5f0f\u4e2d\uff0c\u5185\u5b58\u5206\u914d\u673a\u5236\u4e0e SMP\uff08\u5171\u4eab\u5185\u5b58\uff09\u6709\u672c\u8d28\u533a\u522b\u3002 <strong>SMP\uff08\u5171\u4eab\u5185\u5b58\uff09<\/strong>\u200b \u6a21\u5f0f\u4e2dMEMORY\u53c2\u6570\u4ee3\u8868\u6240\u6709 CPU \u5171\u4eab\u7684\u603b\u5185\u5b58\u6c60\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MPP \u6a21\u5f0f\u9700\u8981\u8bbe\u7f6e\u4e24\u4e2a\u53c2\u6570\uff1a<code>memory<\/code>\uff08\u5373 memory1\uff09\u548c <code>memory2<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u53c2\u6570\u5b9a\u4e49<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>memory<\/code>\/ <code>memory1<\/code><\/strong>\uff1a\u4e3b\u8282\u70b9\uff08Rank 0\uff09\u7528\u4e8e<strong>\u6a21\u578b\u5206\u89e3\uff08Domain Decomposition\uff09<\/strong>\u548c<strong>\u5168\u5c40\u6570\u636e\u7ba1\u7406<\/strong>\u7684\u5185\u5b58\u3002\u8be5\u503c\u5fc5\u987b\u8db3\u591f\u5927\uff0c\u4ee5\u5bb9\u7eb3\u6574\u4e2a\u6a21\u578b\u7684\u5168\u5c40\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong><code>memory2<\/code><\/strong>\uff1a<strong>\u6bcf\u4e2a\u8ba1\u7b97\u8fdb\u7a0b<\/strong>\uff08\u5305\u62ec\u4e3b\u8282\u70b9\uff09\u7528\u4e8e\u6c42\u89e3<strong>\u5206\u89e3\u540e\u5b50\u57df<\/strong>\u7684\u5185\u5b58\u3002\u8be5\u503c\u53d6\u51b3\u4e8e\u5b50\u57df\u7684\u5927\u5c0f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u8ba1\u7b97\u516c\u5f0f\u4e0e\u5355\u4f4d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u4f4d\u6362\u7b97\u89c4\u5219\u4e0e SMP \u4e00\u81f4\uff0864\u4f4d\u53cc\u7cbe\u5ea6\uff1a1 Word = 8 Bytes\uff09\u3002\u5047\u8bbe\u4f60\u8981\u4e3a MPP \u8ba1\u7b97\u5206\u914d\u7269\u7406\u5185\u5b58\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8ba1\u7b97 <code>memory1<\/code><\/strong>\uff1a\u901a\u5e38\u5efa\u8bae\u4e3a\u7269\u7406\u5185\u5b58\u7684 <strong>30% &#8211; 70%<\/strong>\uff0c\u4e14\u5fc5\u987b\u5927\u4e8e\u6a21\u578b\u5168\u5c40\u5185\u5b58\u9700\u6c42\u3002\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5982\uff0c\u5206\u914d 8 GB \u7ed9\u4e3b\u8282\u70b9\uff1a<code>memory1 = 8 * 1024^3 \/ 8 = 1,073,741,824 words<\/code>\uff08\u6216\u7b80\u5199\u4e3a <code>memory=1024m<\/code>\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8ba1\u7b97 <code>memory2<\/code><\/strong>\uff1a\u901a\u5e38\u5efa\u8bae\u4e3a\u5269\u4f59\u5185\u5b58\u7684 <strong>20% &#8211; 40%<\/strong>\uff0c\u4e14\u9700\u6ee1\u8db3 <code>(memory1 + NPROC * memory2) &lt; \u8282\u70b9\u603b\u7269\u7406\u5185\u5b58<\/code>\u3002\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5982\uff0c\u5206\u914d 2 GB \u7ed9\u6bcf\u4e2a\u8fdb\u7a0b\uff1a<code>memory2 = 2 * 1024^3 \/ 8 = 268,435,456 words<\/code>\uff08\u6216 <code>memory2=256m<\/code>\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u547d\u4ee4\u884c\u793a\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u8bbe\u4f7f\u7528 16 \u4e2a\u8fdb\u7a0b\uff08<code>np=16<\/code>\uff09\u8fd0\u884c\u53cc\u7cbe\u5ea6 MPP \u6c42\u89e3\u5668\uff0c\u8bbe\u7f6e <code>memory1=1024m<\/code>\uff0c<code>memory2=256m<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code># \u4f7f\u7528 mpirun (Intel MPI\/Open MPI \/<code>Platform MPI<\/code>)<br>mpirun -np 16 ls-dyna_mpp_d i=input.k memory=1024m memory2=256m<br><br># \u6216\u4f7f\u7528 mpiexec<br>mpiexec -n 16 ls-dyna_mpp_d i=input.k memory=1024m memory2=256m<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>memory2<\/code>\u53ea\u80fd\u5728\u547d\u4ee4\u884c\u8bbe\u7f6e<\/strong>\uff1a\u4e0d\u80fd\u5728 K \u6587\u4ef6\u7684 <code>*KEYWORD<\/code>\u884c\u4e2d\u8bbe\u7f6e <code>memory2<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u4e3b\u8282\u70b9\u5185\u5b58\u538b\u529b<\/strong>\uff1a\u4e3b\u8282\u70b9\u9664\u4e86\u8fd0\u884c\u5b50\u57df\u8ba1\u7b97\uff08\u5360\u7528 <code>memory2<\/code>\uff09\uff0c\u8fd8\u9700\u627f\u62c5\u901a\u4fe1\u534f\u8c03\u4efb\u52a1\uff0c\u56e0\u6b64\u5b9e\u9645\u5185\u5b58\u5360\u7528\u7ea6\u4e3a <code>memory1 + memory2<\/code>\u3002<\/li>\n\n\n\n<li><strong>\u7ecf\u9a8c\u6cd5\u5219<\/strong>\uff1a\u5bf9\u4e8e\u8d85\u5927\u89c4\u6a21\u6a21\u578b\uff0c<code>memory1<\/code>\u5e94\u8bbe\u7f6e\u5f97\u975e\u5e38\u5927\uff08\u5982 50% \u603b\u5185\u5b58\uff09\uff0c\u4ee5\u786e\u4fdd\u5206\u89e3\u6210\u529f\uff1b\u5bf9\u4e8e\u4e2d\u5c0f\u6a21\u578b\uff0c<code>memory2<\/code>\u53ef\u4ee5\u8bbe\u7f6e\u8f83\u5c0f\uff0c\u4f46\u9700\u907f\u514d\u56e0\u8fc7\u5c0f\u5bfc\u81f4\u5b50\u57df\u8ba1\u7b97\u6ea2\u51fa\u3002<br><br><br>\u66f4\u591a\u53ef\u4ee5\u53c2\u8003\u00a0<a href=\"https:\/\/airy.cn\/WordPress\/?p=550\" target=\"_blank\" rel=\"noreferrer noopener\">LSDYNA \u5185\u5b58\u8ba1\u7b97\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 LS-DYNA MPP\uff08\u5206\u5e03\u5f0f\u5e76\u884c\uff09\u6a21\u5f0f\u4e2d\uff0c\u5185\u5b58\u5206\u914d\u673a\u5236\u4e0e SMP\uff08\u5171\u4eab\u5185\u5b58\uff09\u6709\u672c\u8d28\u533a\u522b\u3002 SMP\uff08\u5171\u4eab\u5185 &#8230; <a title=\"LS-DYNA MPP\uff08\u5206\u5e03\u5f0f\u5e76\u884c\uff09\u6a21\u5f0f\u4e2d\u7684\u5185\u5b58\u5206\u914d\u673a\u5236\" class=\"read-more\" href=\"https:\/\/airy.cn\/WordPress\/?p=2794\" aria-label=\"\u9605\u8bfb LS-DYNA MPP\uff08\u5206\u5e03\u5f0f\u5e76\u884c\uff09\u6a21\u5f0f\u4e2d\u7684\u5185\u5b58\u5206\u914d\u673a\u5236\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-2794","post","type-post","status-publish","format-standard","hentry","category-airy-tech"],"_links":{"self":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/2794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2794"}],"version-history":[{"count":1,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/2794\/revisions"}],"predecessor-version":[{"id":2795,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/2794\/revisions\/2795"}],"wp:attachment":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}