{"id":15794,"date":"2023-05-05T17:15:20","date_gmt":"2023-05-05T08:15:20","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=15794"},"modified":"2023-05-06T11:53:25","modified_gmt":"2023-05-06T02:53:25","slug":"centos7-3-gtx1050ti-gtx1070x3-cuda-samples%e3%81%a7nbody-benchmark-%e3%82%92%e5%8b%95%e4%bd%9c%e3%81%95%e3%81%9b%e3%81%a6%e3%81%bf%e3%81%9f11773-113-gflop-s","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=15794","title":{"rendered":"CentOS7.3 GTX1050Ti GTX1070x3 CUDA Samples\u3067nbody benchmark \u3092\u52d5\u4f5c\u3055\u305b\u3066\u307f\u305f11773.113 GFLOP\/s"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2021\/09\/Screenshot-from-2021-09-24-03-29-20.png\" alt=\"\" width=\"1280\" height=\"768\" class=\"alignnone size-full wp-image-8960\" \/><br \/>\n[chibi@centos7 nbody]$ .\/nbody -benchmark -numbodies=256000 -numdevices=4<br \/>\nRun &#8220;nbody -benchmark [-numbodies=<numBodies>]&#8221; to measure performance.<br \/>\n        -fullscreen       (run n-body simulation in fullscreen mode)<br \/>\n        -fp64             (use double precision floating point values for simulation)<br \/>\n        -hostmem          (stores simulation data in host memory)<br \/>\n        -benchmark        (run benchmark to measure performance)<br \/>\n        -numbodies=<N>    (number of bodies (>= 1) to run in simulation)<br \/>\n        -device=<d>       (where d=0,1,2&#8230;. for the CUDA device to use)<br \/>\n        -numdevices=<i>   (where i=(number of CUDA devices > 0) to use for simulation)<br \/>\n        -compare          (compares simulation results running once on the default GPU and once on the CPU)<br \/>\n        -cpu              (run n-body simulation on the CPU)<br \/>\n        -tipsy=<file.bin> (load a tipsy model file for simulation)<\/p>\n<p>NOTE: The CUDA Samples are not meant for performance measurements. Results may vary when GPU Boost is enabled.<\/p>\n<p>number of CUDA devices  = 4<br \/>\n> Windowed mode<br \/>\n> Simulation data stored in system memory<br \/>\n> Single precision floating point simulation<br \/>\n> 4 Devices used for simulation<br \/>\nGPU Device 0: &#8220;GeForce GTX 1070&#8221; with compute capability 6.1<\/p>\n<p>> Compute 6.1 CUDA device: [GeForce GTX 1070]<br \/>\n> Compute 6.1 CUDA device: [GeForce GTX 1050 Ti]<br \/>\n> Compute 6.1 CUDA device: [GeForce GTX 1070]<br \/>\n> Compute 6.1 CUDA device: [GeForce GTX 1070]<br \/>\nnumber of bodies = 256000<br \/>\n256000 bodies, total time for 10 iterations: 1113.316 ms<br \/>\n= 588.656 billion interactions per second<br \/>\n= <strong>11773.113<\/strong> single-precision GFLOP\/s at 20 flops per interaction<br \/>\n[chibi@centos7 nbody]$ nvidia-smi<br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2023\/05\/CentOS7.3-GTX1050Ti-GTX1070x3-CUDA-Samples-nbody-benchmark-11773.113-GFLOPs.txt\">CentOS7.3 GTX1050Ti GTX1070x3 CUDA Samples nbody benchmark 11773.113 GFLOPs<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>[chibi@centos7 nbody]$ .\/nbody -benchmark -numbodies=256000 -numdevices=4 Run &#8220;nbody -benchmark [-numbod &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=15794\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[19,18],"tags":[],"class_list":["post-15794","post","type-post","status-publish","format-standard","hentry","category-centos7","category-nvidia"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/15794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=15794"}],"version-history":[{"count":4,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/15794\/revisions"}],"predecessor-version":[{"id":15815,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/15794\/revisions\/15815"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=15794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=15794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=15794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}