{"action":"created","issue":{"url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/51","repository_url":"https://api.github.com/repos/fmfn/BayesianOptimization","labels_url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/51/labels{/name}","comments_url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/51/comments","events_url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/51/events","html_url":"https://github.com/fmfn/BayesianOptimization/issues/51","id":225205880,"node_id":"MDU6SXNzdWUyMjUyMDU4ODA=","number":51,"title":"Optimization is very slow","user":{"login":"macwilam","id":20690833,"node_id":"MDQ6VXNlcjIwNjkwODMz","avatar_url":"https://avatars2.githubusercontent.com/u/20690833?v=4","gravatar_id":"","url":"https://api.github.com/users/macwilam","html_url":"https://github.com/macwilam","followers_url":"https://api.github.com/users/macwilam/followers","following_url":"https://api.github.com/users/macwilam/following{/other_user}","gists_url":"https://api.github.com/users/macwilam/gists{/gist_id}","starred_url":"https://api.github.com/users/macwilam/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/macwilam/subscriptions","organizations_url":"https://api.github.com/users/macwilam/orgs","repos_url":"https://api.github.com/users/macwilam/repos","events_url":"https://api.github.com/users/macwilam/events{/privacy}","received_events_url":"https://api.github.com/users/macwilam/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":10,"created_at":"2017-04-28T22:16:38Z","updated_at":"2019-10-10T17:06:02Z","closed_at":"2017-05-01T18:08:37Z","author_association":"NONE","body":"Hi,\r\n\r\nI think there is something wrong with the way BO runs at my machine. The BO process is very slow and gets slower with every iteration. I understand that some slowdown can be expected but not this much - from 3 sec to 5 mins.\r\n```\r\nBayesian Optimization\r\n----------------------------------------------------------------\r\n Step |   Time |      Value |   colsample_bytree |   subsample | \r\n    5 | 00m05s |    0.79714 |             0.6500 |      0.9990 | \r\n    6 | 00m06s |    0.79917 |             0.6500 |      0.6500 | \r\n    7 | 00m03s |    0.79250 |             0.6500 |      0.8206 | \r\n    8 | 05m13s |    0.79464 |             0.9990 |      0.9990 |\r\n```\r\n\r\nI tried some profiling and see that most of the time i spent here:\r\n```\r\n\r\n   ncalls  tottime  percall  cumtime  percall filename:lineno(function)\r\n    96854  207.735    0.002  214.026    0.002 basic.py:227(solve_triangular)\r\n```\r\n\r\nThe CPU i working a lot during this time.\r\n\r\nI have all requirements up to date and installed from pip (linux 64 bit)\r\n\r\nIs it normal behaviour? If not, any idea how to solve it?"},"comment":{"url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/comments/540681291","html_url":"https://github.com/fmfn/BayesianOptimization/issues/51#issuecomment-540681291","issue_url":"https://api.github.com/repos/fmfn/BayesianOptimization/issues/51","id":540681291,"node_id":"MDEyOklzc3VlQ29tbWVudDU0MDY4MTI5MQ==","user":{"login":"louis925","id":18520676,"node_id":"MDQ6VXNlcjE4NTIwNjc2","avatar_url":"https://avatars2.githubusercontent.com/u/18520676?v=4","gravatar_id":"","url":"https://api.github.com/users/louis925","html_url":"https://github.com/louis925","followers_url":"https://api.github.com/users/louis925/followers","following_url":"https://api.github.com/users/louis925/following{/other_user}","gists_url":"https://api.github.com/users/louis925/gists{/gist_id}","starred_url":"https://api.github.com/users/louis925/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/louis925/subscriptions","organizations_url":"https://api.github.com/users/louis925/orgs","repos_url":"https://api.github.com/users/louis925/repos","events_url":"https://api.github.com/users/louis925/events{/privacy}","received_events_url":"https://api.github.com/users/louis925/received_events","type":"User","site_admin":false},"created_at":"2019-10-10T17:06:02Z","updated_at":"2019-10-10T17:06:02Z","author_association":"NONE","body":"I also see the same slow down behavior at around 400+ iterations with 10 parameters to being optimized. Now the 5 fold training of my model take much less than the calculation of Bayesian optimization."}}
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