{"id":3360,"date":"2020-09-22T05:53:42","date_gmt":"2020-09-21T20:53:42","guid":{"rendered":"https:\/\/wp.study3.biz\/?p=3360"},"modified":"2020-09-22T05:54:26","modified_gmt":"2020-09-21T20:54:26","slug":"ubuntu-16-04-6-lts-titan-rtx-x2-cuda-10-2-samples-simplep2p-p2pbandwidthlatencytest-bandwidthtest-devicequery%e3%82%92%e5%8b%95%e4%bd%9c%e3%81%95%e3%81%9b%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"post","link":"https:\/\/wp.study3.biz\/?p=3360","title":{"rendered":"Ubuntu 16.04.6 LTS TITAN RTX x2 CUDA 10.2 Samples 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\/Ubuntu-16.04.6-LTS-TITAN-RTX-x2-CUDA-10.2-Samples-nvidia-smi-nvidia-smi-nvlink-c.jpg\" alt=\"\" width=\"1920\" height=\"1080\" class=\"alignnone size-full wp-image-3365\" \/><br \/>\nchibi@1604:~\/NVIDIA_CUDA-10.2_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 TITAN RTX (GPU0) -> TITAN RTX (GPU1) : Yes<br \/>\n> Peer access from TITAN RTX (GPU1) -> TITAN RTX (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>43.53GB\/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-10.2_Samples\/0_Simple\/simpleP2P$<br \/>\nchibi@1604:~$ cat \/etc\/os-release<br \/>\nNAME=&#8221;Ubuntu&#8221;<br \/>\nVERSION=&#8221;16.04.6 LTS (Xenial Xerus)&#8221;<br \/>\nID=ubuntu<br \/>\nID_LIKE=debian<br \/>\nPRETTY_NAME=&#8221;Ubuntu 16.04.6 LTS&#8221;<br \/>\nVERSION_ID=&#8221;16.04&#8243;<br \/>\nHOME_URL=&#8221;http:\/\/www.ubuntu.com\/&#8221;<br \/>\nSUPPORT_URL=&#8221;http:\/\/help.ubuntu.com\/&#8221;<br \/>\nBUG_REPORT_URL=&#8221;http:\/\/bugs.launchpad.net\/ubuntu\/&#8221;<br \/>\nVERSION_CODENAME=xenial<br \/>\nUBUNTU_CODENAME=xenial<br \/>\nchibi@1604:~$ nvcc -V<br \/>\nnvcc: NVIDIA (R) Cuda compiler driver<br \/>\nCopyright (c) 2005-2019 NVIDIA Corporation<br \/>\nBuilt on Wed_Oct_23_19:24:38_PDT_2019<br \/>\nCuda compilation tools, release 10.2, V10.2.89<br \/>\nchibi@1604:~$<br \/>\n<a href=\"https:\/\/wp.study3.biz\/wp-content\/uploads\/2020\/08\/Ubuntu-16.04.6-LTS-TITAN-RTX-x2-CUDA-10.2-Samples-simpleP2P-p2pBandwidthLatencyTest-bandwidthTest-deviceQuery.txt\">Ubuntu 16.04.6 LTS TITAN RTX x2 CUDA 10.2 Samples simpleP2P p2pBandwidthLatencyTest bandwidthTest deviceQuery<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>chibi@1604:~\/NVIDIA_CUDA-10.2_Samples\/0_Simple\/simpleP2P$ .\/simpleP2P [.\/simpleP2P] &#8211; Starting&#8230; Ch &hellip; <a href=\"https:\/\/wp.study3.biz\/?p=3360\">\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-3360","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\/3360","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=3360"}],"version-history":[{"count":3,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/3360\/revisions"}],"predecessor-version":[{"id":3368,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=\/wp\/v2\/posts\/3360\/revisions\/3368"}],"wp:attachment":[{"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.study3.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}