{"action":"opened","issue":{"url":"https://api.github.com/repos/cms-patatrack/cmssw/issues/15","repository_url":"https://api.github.com/repos/cms-patatrack/cmssw","labels_url":"https://api.github.com/repos/cms-patatrack/cmssw/issues/15/labels{/name}","comments_url":"https://api.github.com/repos/cms-patatrack/cmssw/issues/15/comments","events_url":"https://api.github.com/repos/cms-patatrack/cmssw/issues/15/events","html_url":"https://github.com/cms-patatrack/cmssw/issues/15","id":298003303,"number":15,"title":"CUDA Unified Virtual Addressing","user":{"login":"fwyzard","id":4069793,"avatar_url":"https://avatars2.githubusercontent.com/u/4069793?v=4","gravatar_id":"","url":"https://api.github.com/users/fwyzard","html_url":"https://github.com/fwyzard","followers_url":"https://api.github.com/users/fwyzard/followers","following_url":"https://api.github.com/users/fwyzard/following{/other_user}","gists_url":"https://api.github.com/users/fwyzard/gists{/gist_id}","starred_url":"https://api.github.com/users/fwyzard/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fwyzard/subscriptions","organizations_url":"https://api.github.com/users/fwyzard/orgs","repos_url":"https://api.github.com/users/fwyzard/repos","events_url":"https://api.github.com/users/fwyzard/events{/privacy}","received_events_url":"https://api.github.com/users/fwyzard/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-17T13:02:47Z","updated_at":"2018-02-17T13:02:47Z","closed_at":null,"author_association":"NONE","body":"See https://developer.download.nvidia.com/CUDA/training/cuda_webinars_GPUDirect_uva.pdf\r\n\r\nBasically, CUDA should be able to tell from the address if a memory area is on the host or on the gpu (and on which gpu); so `cudaMemcpy` does not need to be told `cudaMemcpyHostToDevice` etc, we can use `cudaMemcpyDefault` ."}}
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