{"id":695,"date":"2013-05-06T23:17:15","date_gmt":"2013-05-06T15:17:15","guid":{"rendered":"http:\/\/systemsci.org\/jinshanw\/?p=695"},"modified":"2013-05-06T23:17:15","modified_gmt":"2013-05-06T15:17:15","slug":"petsc-slepc%e8%87%aa%e7%94%b1%e7%9f%a9%e9%98%b5%e6%a0%bc%e5%bc%8f%ef%bc%88matrix-free-matrix%ef%bc%89%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.systemsci.org\/jinshanw\/2013\/05\/06\/petsc-slepc%e8%87%aa%e7%94%b1%e7%9f%a9%e9%98%b5%e6%a0%bc%e5%bc%8f%ef%bc%88matrix-free-matrix%ef%bc%89%e6%96%b9%e6%b3%95\/","title":{"rendered":"petsc, slepc\u81ea\u7531\u77e9\u9635\u683c\u5f0f\uff08matrix-free matrix\uff09\u65b9\u6cd5"},"content":{"rendered":"

Petsc\u3001Slepc\u63d0\u4f9bMatrix-free matrices\u7684\u5904\u7406\u529f\u80fd\uff0c\u53ea\u9700\u8981\u63d0\u4f9bmatrix-vector\u4e58\u6cd5\u5c31\u53ef\u4ee5\u6c42\u89e3\u7ebf\u6027\u65b9\u7a0b\uff0c\u4ee5\u53ca\u672c\u5f81\u503c\u3002\u53c2\u8003slepc\u7684ex3.c\uff08http:\/\/www.grycap.upv.es\/slepc\/handson\/handson5.html<\/a>\uff09\uff0cpetsc\u7684ex44.c\u3002<\/p>\n

Preconditioner\u4e5f\u9700\u8981\u8003\u8651\u4e00\u4e0b\uff0c\u6d4b\u8bd5\u4e00\u4e0b\u901f\u5ea6\u3002<\/p>\n

\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6c42\u89e3\u6700\u5927\u672c\u5f81\u503c\u6bd4\u8f83\u65b9\u4fbf\uff0c\u4f46\u662f\u4e5f\u53ef\u4ee5\u6c42\u89e3\u5185\u90e8\u672c\u5f81\u503c\uff0c\u4f8b\u5982\u901a\u8fc7 -eps_target 0.0 \u53c2\u6570\u6c42\u89e30.0\u9644\u8fd1\u7684\u672c\u5f81\u503c\uff0c\u4e5f\u53ef\u4ee5\u91c7\u7528eps_harmonic\u65b9\u6cd5\u6765\u6c42\u89e3\u5185\u90e8\u672c\u5f81\u503c\u3002<\/p>\n

\u540c\u65f6petsc\u53ef\u4ee5\u652f\u6301openmp+mpi\u6df7\u5408\u5e76\u884c\u6a21\u5f0f\uff08\u8003\u8651\u4f7f\u7528Gerard\u7684\u6df7\u5408\u6a21\u5f0f\uff09\uff0c\u524d\u8005\u5e94\u7528\u4e8e\u5171\u4eab\u5185\u5b58\u591a\u6838\u4e4b\u95f4\uff0c\u540e\u8005\u5e94\u7528\u4e8e\u5206\u5e03\u5f0f\u5185\u5b58\u4e4b\u95f4\u3002\u662f\u5426slepc\u4e5f\u81ea\u7136\u76f8\u5e94\u652f\u6301\uff1f<\/p>\n

\u6709\u65f6\u95f4\u770b\u4e00\u4e0b\u5982\u4f55\u5728acml\uff08\u5df2\u7ecf\u8003\u8651openmp\uff09\u7684\u57fa\u7840\u4e0a\u7f16\u8bd1petsc\u3001slepc\uff0c\u5e76\u4e14\u8ba9petsc\u3001slepc\u5229\u7528acml\u7684openmp\u529f\u80fd\u3002<\/p>\n

\u91cd\u5199\u76f4\u63a5\u65b9\u6cd5\u3001BBGKY\u3001BBGKY2\u7684\u7a0b\u5e8f\u3002<\/p>\n

\u8003\u8651\u5229\u7528acml\u7684\u968f\u673a\u6570\u6216\u8005Sprng\u7684\u5e76\u884c\u968f\u673a\u6570\uff0c\u91cd\u5199GFPE\u7684\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Petsc\u3001Slepc\u63d0\u4f9bMatrix-free matrices\u7684\u5904\u7406\u529f\u80fd\uff0c\u53ea\u9700\u8981\u63d0\u4f9bmatrix-vect … \u7ee7\u7eed\u9605\u8bfb\u201cpetsc, slepc\u81ea\u7531\u77e9\u9635\u683c\u5f0f\uff08matrix-free matrix\uff09\u65b9\u6cd5\u201d<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts\/695"}],"collection":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/comments?post=695"}],"version-history":[{"count":0,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/posts\/695\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/media?parent=695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/categories?post=695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.systemsci.org\/jinshanw\/wp-json\/wp\/v2\/tags?post=695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}