{"action":"opened","issue":{"url":"https://api.github.com/repos/Microsoft/CNTK/issues/621","repository_url":"https://api.github.com/repos/Microsoft/CNTK","labels_url":"https://api.github.com/repos/Microsoft/CNTK/issues/621/labels{/name}","comments_url":"https://api.github.com/repos/Microsoft/CNTK/issues/621/comments","events_url":"https://api.github.com/repos/Microsoft/CNTK/issues/621/events","html_url":"https://github.com/Microsoft/CNTK/issues/621","id":161617343,"number":621,"title":"problem running Tutorial2","user":{"login":"scimg","id":6102926,"avatar_url":"https://avatars.githubusercontent.com/u/6102926?v=3","gravatar_id":"","url":"https://api.github.com/users/scimg","html_url":"https://github.com/scimg","followers_url":"https://api.github.com/users/scimg/followers","following_url":"https://api.github.com/users/scimg/following{/other_user}","gists_url":"https://api.github.com/users/scimg/gists{/gist_id}","starred_url":"https://api.github.com/users/scimg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/scimg/subscriptions","organizations_url":"https://api.github.com/users/scimg/orgs","repos_url":"https://api.github.com/users/scimg/repos","events_url":"https://api.github.com/users/scimg/events{/privacy}","received_events_url":"https://api.github.com/users/scimg/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-06-22T08:03:34Z","updated_at":"2016-06-22T08:03:34Z","closed_at":null,"body":"I am following the tutorial on [https://github.com/Microsoft/CNTK/wiki/Tutorial2](url). The cntk version is CNTK-1-5-Windows-64bit-GPU.zip. The problem occurs when running the 01_OneHidden.cntk on CPU.\r\n\r\nThe scripts in the config file looks as\r\n\r\n    deviceId = 0\r\n    imageLayout = \"cudnn\"\r\n    # override the above as follows when running on CPU:\r\n    # deviceId = -1\r\n\r\nI mean to run it on CPU, so I change them to\r\n\r\n    #deviceId = 0\r\n    #imageLayout = \"cudnn\"\r\n    # override the above as follows when running on CPU:\r\n    deviceId = -1\r\n\r\nHowever, error occurs as \r\n\r\n    EXCEPTION occurred: No variable found with the name imageLayout.  Parsing of str\r\n    ing failed: 01_OneHidden.cntk:train:NDLNetworkBuilder:    W = ImageParameter(out\r\n    Dim, inW, inH, inC, init=\"uniform\", initValueScale=parmScale, initOnCPUOnly=true\r\n    , imageLayout=$imageLayout$)\r\n\r\nSeems something wrong with imageLayout, so I uncomment the imageLayout line as\r\n\r\n    #deviceId = 0\r\n    imageLayout = \"cudnn\"\r\n    # override the above as follows when running on CPU:\r\n    deviceId = -1\r\n\r\nThis time, another error occurs\r\n\r\n    No PreCompute nodes found, skipping PreCompute step.\r\n\r\n    Starting Epoch 1: learning rate per sample = 0.003125  effective momentum = 0.00\r\n    0000  momentum as time constant = 0.0 samples\r\n    BlockRandomizer::StartEpoch: epoch 0: frames [0..60000] (first sequence at sampl\r\n    e 0), data subset 0 of 1\r\n\r\n    Starting minibatch loop.\r\n\r\n    EXCEPTION occurred: AssignNumOfDiff: a and b must have the same number of rows.\r\n\r\n\r\nWhat may the problem be?\r\nI don't have a supported GPU, so I don't know if it can run on GPU."}}
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