{"id":3595,"date":"2020-10-20T02:25:55","date_gmt":"2020-10-19T17:25:55","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=3595"},"modified":"2020-10-20T02:27:35","modified_gmt":"2020-10-19T17:27:35","slug":"amd-epyc-7502p-32-core-processor-ubuntu-16-04-7-lts-rtx2080ti-x2-cuda-11-0-samples-simplep2p-p2pbandwidthlatencytest-bandwidthtest-devicequery%e3%82%92%e5%8b%95%e4%bd%9c%e3%81%95%e3%81%9b%e3%81%a6","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=3595","title":{"rendered":"AMD EPYC 7502P 32-Core Processor Ubuntu 16.04.7 LTS RTX2080Ti x2 CUDA 11.0 Samples \u3067 simpleP2P p2pBandwidthLatencyTest  bandwidthTest deviceQuery\u3092\u52d5\u4f5c\u3055\u305b\u3066\u307f\u305f"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2020\/08\/nvidia-smi-nvlink-c.jpg\" alt=\"\" width=\"1920\" height=\"1080\" class=\"alignnone size-full wp-image-3601\" \/><br \/>\nchibi@1604:~\/NVIDIA_CUDA-11.0_Samples\/0_Simple\/simpleP2P$ .\/simpleP2P<br \/>\n[.\/simpleP2P] &#8211; Starting&#8230;<br \/>\nChecking for multiple GPUs&#8230;<br \/>\nCUDA-capable device count: 2<\/p>\n<p>Checking GPU(s) for support of peer to peer memory access&#8230;<br \/>\n> Peer access from GeForce RTX 2080 Ti (GPU0) -> GeForce RTX 2080 Ti (GPU1) : Yes<br \/>\n> Peer access from GeForce RTX 2080 Ti (GPU1) -> GeForce RTX 2080 Ti (GPU0) : Yes<br \/>\nEnabling peer access between GPU0 and GPU1&#8230;<br \/>\nAllocating buffers (64MB on GPU0, GPU1 and CPU Host)&#8230;<br \/>\nCreating event handles&#8230;<br \/>\ncudaMemcpyPeer \/ cudaMemcpy between GPU0 and GPU1: <strong>43.54GB\/s<\/strong><br \/>\nPreparing host buffer and memcpy to GPU0&#8230;<br \/>\nRun kernel on GPU1, taking source data from GPU0 and writing to GPU1&#8230;<br \/>\nRun kernel on GPU0, taking source data from GPU1 and writing to GPU0&#8230;<br \/>\nCopy data back to host from GPU0 and verify results&#8230;<br \/>\nDisabling peer access&#8230;<br \/>\nShutting down&#8230;<br \/>\nTest passed<br \/>\nchibi@1604:~\/NVIDIA_CUDA-11.0_Samples\/0_Simple\/simpleP2P$<br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2020\/08\/AMD-EPYC-7502P-32-Core-Processor-Ubuntu-16.04.7-LTS-RTX2080Ti-x2-CUDA-11.0-Samples-simpleP2P-p2pBandwidthLatencyTest-bandwidthTest-deviceQuery.txt\">AMD EPYC 7502P 32-Core Processor Ubuntu 16.04.7 LTS RTX2080Ti x2 CUDA 11.0 Samples simpleP2P p2pBandwidthLatencyTest bandwidthTest deviceQuery<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>chibi@1604:~\/NVIDIA_CUDA-11.0_Samples\/0_Simple\/simpleP2P$ .\/simpleP2P [.\/simpleP2P] &#8211; Starting&#8230; Ch &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=3595\">\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":[18,17],"tags":[],"class_list":["post-3595","post","type-post","status-publish","format-standard","hentry","category-nvidia","category-ubuntu"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/3595","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=3595"}],"version-history":[{"count":3,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/3595\/revisions"}],"predecessor-version":[{"id":4180,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/3595\/revisions\/4180"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}