{"id":550,"date":"2021-10-20T13:01:45","date_gmt":"2021-10-20T05:01:45","guid":{"rendered":"https:\/\/airy.cn\/WordPress\/?p=550"},"modified":"2026-03-24T11:58:27","modified_gmt":"2026-03-24T03:58:27","slug":"lsdyna-ram","status":"publish","type":"post","link":"https:\/\/airy.cn\/WordPress\/?p=550","title":{"rendered":"LS-DYNA \u5185\u5b58\u8ba1\u7b97\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u5728 LS-DYNA \u4e2d\uff0c\u5185\u5b58\u6309 Word \u7ec4\u7ec7\uff0c64 \u4f4d\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u5355\u7cbe\u5ea6 1Word=4bytes\uff0c\u53cc\u7cbe\u5ea6 1Word=8bytes\uff0c\u5047\u5982\u4f60\u8981\u8bbe\u7f6e 1G(1000M) \u7684\u5185\u5b58\uff0c\u5982\u679c\u662f\u5355\u7cbe\u5ea6\uff0c\u5219\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"200\" height=\"61\" src=\"https:\/\/airy.cn\/WordPress\/wp-content\/uploads\/2021\/10\/image-1.png\" alt=\"\" class=\"wp-image-551\"\/><\/figure>\n\n\n\n<p><br>\u6211\u4eec\u6839\u636e\u8fd9\u4e2a\u53ef\u4ee5\u8ba1\u7b97\u51fa Y\uff0c\u56e0\u6b64\uff0c\u8fd9\u4e2a\u8bbe\u7f6e\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><span class=\"has-inline-color has-red-color\"><strong>keyword_ID NCPU=4 MEMORY=262144000<\/strong><\/span><\/pre>\n\n\n\n<p>\u5982\u679c\u76f4\u63a5\u5728\u547d\u4ee4\u884c\u91cc\u9762\u8bbe\u7f6e\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<p><strong>LSDYNA.EXE *.K NCPU=4 MEMORY=262144000<\/strong><br>\u8fd9\u5c31\u662f\u5728\u4e00\u53f0\u62e5\u6709\u56db\u6838 CPU \u7684\u7535\u8111\u4e0a\uff0c\u7ed9\u63d0\u4ea4\u8ba1\u7b97\u7684\u6587\u4ef6\u5206\u914d\u4e86 1G \u7684\u5185\u5b58\u3002<\/p>\n\n\n\n<p>LSDYNA \u4e2d\u5185\u5b58 memory \u7684\u8bbe\u7f6e\u4e00 words \u4e3a\u5355\u4f4d\uff0c64bit \u7cfb\u7edf\uff0c1 \u4e2a words=8Byte\uff0c\u56e0\u6b64\u7533\u8bf7\u65f6\u9700\u8981\u6ce8\u610f\u5206\u914d\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0cLSDYNA \u5728\u7533\u8bf7\u5185\u5b58\u65f6\uff0c\u5bf9\u4e8e SMP \u548c MPP \u4e24\u79cd\u65b9\u5f0f\u6709\u7740\u4e0d\u540c\u7684\u610f\u4e49\u3002\u5bf9\u4e8e\u5171\u4eab\u5185\u5b58\u7684 SMP\uff0c\u547d\u4ee4\u884c\u4e2d\u7684 memroy=XXX \u8868\u793a\u591a\u4e2a cpu \u5171\u7528\u7684\u5185\u5b58\u603b\u6570\u4e3a XXX\uff0c\u800c\u5728\u5206\u5e03\u5f0f\u8ba1\u7b97\u7684 MPP \u4e2d\uff0cmemory \u6709\u4e24\u4e2a\u503c\uff0cMEMORY_1\uff0c\u5728\u547d\u4ee4\u884c\u4e2d\u4ee5 memory=XXX \u8bbe\u5b9a\uff0c\u8be5\u503c\u4e3a\u4e3b\u8282\u70b9\uff08master node\uff0c\u4e00\u822c\u4e3a\u7b2c\u4e00\u4e2a\u8282\u70b9\uff09\u4f7f\u7528\u7684\u5185\u5b58\u6570\uff0c\u7528\u4e8e\u5212\u5206\u6a21\u578b\u65f6\u4f7f\u7528\uff08decompose the model\uff09\uff1bMEMORY_2\uff0c\u5728\u547d\u4ee4\u884c\u4e2d\u4ee5 memory2=XXX \u8868\u793a\uff0c\u8be5\u503c\u4e3a\u5404\u4e2a\u6838\uff08\u5305\u62ec\u4e3b\u8282\u70b9\u7684\u6838\uff09\u4f7f\u7528\u7684\u5185\u5b58\u6570\uff0c\u7528\u4e8e\u6c42\u89e3\u5212\u5206\u540e\u7684\u6a21\u578b\u3002Memory2 \u4f9d\u8d56\u4e8e\u8282\u70b9\u6570\u91cf\uff0c\u8282\u70b9\u6570\u8d8a\u591a\uff0c\u5212\u5206\u540e\u7684\u6a21\u578b\u8d8a\u5c0f\uff0c\u8fd9\u4e2a\u503c\u5c31\u53ef\u4ee5\u8d8a\u5c0f\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>\u5185\u5b58\u5206\u914d\u7684\u7ecf\u9a8c:<\/strong><\/p>\n\n\n\n<p>memory1\u901a\u5e38\u4f7f\u7528\u5185\u5b58\u768430%\u5230 70%\u3002<\/p>\n\n\n\n<p>memory2\u901a\u5e38\u4f7f\u7528memory1\u5206\u914d\u540e\u5269\u4f59\u5185\u5b58\u7684 20%\u5230 40%\u3002\u2018<\/p>\n\n\n\n<p>\u6ce8\u610f:memory\u53ef\u4ee5\u5728\u547d\u4ee4\u884c\u8bbe\u7f6e,memory=xxxx,\u4e5f\u53ef\u4ee5\u5728\u6587\u4ef6\u4e2d\u8bbe\u7f6e,\u4ee5 *KEYWORD xxxx\u65b9\u5f0f\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p>memory2\u53ea\u80fd\u5728\u547d\u4ee4\u884c\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p>memory\u53ef\u4ee5Mega words\u5355\u4f4d\u8bbe\u7f6e,\u4f7f\u7528 <code>M<\/code>\u540e\u7f00\u7b80\u5316\u8f93\u5165, \u4f8b\u5982 memory=200M,\u5373 200,000,000 words\u3002<\/p>\n\n\n\n<p>\u4e3e\u4f8b:<\/p>\n\n\n\n<p>\u67d0\u4e00lsdyna\u95ee\u9898,\u572816\u6838\u5fc3\u7684\u8ba1\u7b97\u8282\u70b9\u4e0a\u6c42\u89e3,\u8be5\u8282\u70b9\u6700\u5927\u8bb8\u7528\u5185\u5b58\u4e3a64G\u3002lsdyna\u8bbe\u7f6ememory1=800m,memory2=350m,\u5bf9\u4e8e64\u4f4d\u64cd\u4f5c\u7cfb\u7edf,\u6309\u71671word=8bytes,\u5219\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b:<\/p>\n\n\n\n<p>M1:800M(word)*8(bytes)\/1024(KB)\/1024(MB)=6103.51(MB)=5.96G<\/p>\n\n\n\n<p>M2:350M(word)*8(bytes)\/1024(KB)\/1024(MB)=2670.29(MB)=2.61G<\/p>\n\n\n\n<p>\u5047\u8bbe\u5728\u540c\u4e00\u4e2a\u8282\u70b9\u4e0a\u752816\u6838\u5fc3\u6c42\u89e3:\u5219lsdyna\u5728\u8be5\u8282\u70b9\u6700\u5927\u53ef\u7528\u5185\u5b58\u4e3a:<\/p>\n\n\n\n<p>5.96G+15*2.61G=45G<\/p>\n\n\n\n<p>\u5728\u5c3d\u53ef\u80fd\u6ee1\u8db3\u8ba1\u7b97\u7684\u60c5\u51b5\u4e0b,\u6ca1\u6709\u8d85\u8fc7\u8be5\u8282\u70b9\u8bb8\u7528\u5185\u5b58\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 LS-DYNA \u4e2d\uff0c\u5185\u5b58\u6309 Word \u7ec4\u7ec7\uff0c64 \u4f4d\u64cd\u4f5c\u7cfb\u7edf\u4e0a\uff0c\u5355\u7cbe\u5ea6 1Word=4bytes\uff0c\u53cc\u7cbe\u5ea6  &#8230; <a title=\"LS-DYNA \u5185\u5b58\u8ba1\u7b97\u65b9\u6cd5\" class=\"read-more\" href=\"https:\/\/airy.cn\/WordPress\/?p=550\" aria-label=\"\u9605\u8bfb LS-DYNA \u5185\u5b58\u8ba1\u7b97\u65b9\u6cd5\">\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":[10],"tags":[],"class_list":["post-550","post","type-post","status-publish","format-standard","hentry","category-ls-dyna"],"_links":{"self":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/550","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=550"}],"version-history":[{"count":7,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/550\/revisions"}],"predecessor-version":[{"id":2793,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=\/wp\/v2\/posts\/550\/revisions\/2793"}],"wp:attachment":[{"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/airy.cn\/WordPress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}