{"action":"created","issue":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/3407","repository_url":"https://api.github.com/repos/dmlc/mxnet","labels_url":"https://api.github.com/repos/dmlc/mxnet/issues/3407/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/mxnet/issues/3407/comments","events_url":"https://api.github.com/repos/dmlc/mxnet/issues/3407/events","html_url":"https://github.com/dmlc/mxnet/issues/3407","id":179978804,"number":3407,"title":"Sample speed with and without MKL in GPU VM","user":{"login":"hoaphumanoid","id":3491412,"avatar_url":"https://avatars.githubusercontent.com/u/3491412?v=3","gravatar_id":"","url":"https://api.github.com/users/hoaphumanoid","html_url":"https://github.com/hoaphumanoid","followers_url":"https://api.github.com/users/hoaphumanoid/followers","following_url":"https://api.github.com/users/hoaphumanoid/following{/other_user}","gists_url":"https://api.github.com/users/hoaphumanoid/gists{/gist_id}","starred_url":"https://api.github.com/users/hoaphumanoid/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hoaphumanoid/subscriptions","organizations_url":"https://api.github.com/users/hoaphumanoid/orgs","repos_url":"https://api.github.com/users/hoaphumanoid/repos","events_url":"https://api.github.com/users/hoaphumanoid/events{/privacy}","received_events_url":"https://api.github.com/users/hoaphumanoid/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-09-29T08:05:10Z","updated_at":"2016-09-29T18:13:18Z","closed_at":null,"body":"I'm training Imagenet in python with 4 GPUs. In one machine I have installed MKL and in the other one I haven't. The one with MKL has a speed of 200 samples/sec while the one without MKL has 50 samples/sec. \r\n\r\nI don't understand this behavior since I'm computing with GPU. Can anybody explain to me how MKL affects the computation in CPU and GPU?"},"comment":{"url":"https://api.github.com/repos/dmlc/mxnet/issues/comments/250547162","html_url":"https://github.com/dmlc/mxnet/issues/3407#issuecomment-250547162","issue_url":"https://api.github.com/repos/dmlc/mxnet/issues/3407","id":250547162,"user":{"login":"mli","id":421857,"avatar_url":"https://avatars.githubusercontent.com/u/421857?v=3","gravatar_id":"","url":"https://api.github.com/users/mli","html_url":"https://github.com/mli","followers_url":"https://api.github.com/users/mli/followers","following_url":"https://api.github.com/users/mli/following{/other_user}","gists_url":"https://api.github.com/users/mli/gists{/gist_id}","starred_url":"https://api.github.com/users/mli/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mli/subscriptions","organizations_url":"https://api.github.com/users/mli/orgs","repos_url":"https://api.github.com/users/mli/repos","events_url":"https://api.github.com/users/mli/events{/privacy}","received_events_url":"https://api.github.com/users/mli/received_events","type":"User","site_admin":false},"created_at":"2016-09-29T18:13:18Z","updated_at":"2016-09-29T18:13:18Z","body":"try `--kv-store device` ? when `--kv-store local`, we run the weight update on cpu. "}}
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