{"action":"created","issue":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/2305","repository_url":"https://api.github.com/repos/dmlc/xgboost","labels_url":"https://api.github.com/repos/dmlc/xgboost/issues/2305/labels{/name}","comments_url":"https://api.github.com/repos/dmlc/xgboost/issues/2305/comments","events_url":"https://api.github.com/repos/dmlc/xgboost/issues/2305/events","html_url":"https://github.com/dmlc/xgboost/issues/2305","id":229452825,"node_id":"MDU6SXNzdWUyMjk0NTI4MjU=","number":2305,"title":"GPU Acceleration Phase 2","user":{"login":"RAMitchell","id":7307640,"node_id":"MDQ6VXNlcjczMDc2NDA=","avatar_url":"https://avatars2.githubusercontent.com/u/7307640?v=4","gravatar_id":"","url":"https://api.github.com/users/RAMitchell","html_url":"https://github.com/RAMitchell","followers_url":"https://api.github.com/users/RAMitchell/followers","following_url":"https://api.github.com/users/RAMitchell/following{/other_user}","gists_url":"https://api.github.com/users/RAMitchell/gists{/gist_id}","starred_url":"https://api.github.com/users/RAMitchell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/RAMitchell/subscriptions","organizations_url":"https://api.github.com/users/RAMitchell/orgs","repos_url":"https://api.github.com/users/RAMitchell/repos","events_url":"https://api.github.com/users/RAMitchell/events{/privacy}","received_events_url":"https://api.github.com/users/RAMitchell/received_events","type":"User","site_admin":false},"labels":[{"id":311679701,"node_id":"MDU6TGFiZWwzMTE2Nzk3MDE=","url":"https://api.github.com/repos/dmlc/xgboost/labels/Roadmap","name":"Roadmap","color":"d4c5f9","default":false},{"id":311538360,"node_id":"MDU6TGFiZWwzMTE1MzgzNjA=","url":"https://api.github.com/repos/dmlc/xgboost/labels/call-for-contribution","name":"call-for-contribution","color":"fbca04","default":false},{"id":79070789,"node_id":"MDU6TGFiZWw3OTA3MDc4OQ==","url":"https://api.github.com/repos/dmlc/xgboost/labels/enhancement","name":"enhancement","color":"84b6eb","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":19,"created_at":"2017-05-17T18:50:37Z","updated_at":"2018-06-14T23:09:16Z","closed_at":null,"author_association":"MEMBER","body":"We recently added a new fast histogram algorithm to the gpu plugin. Future efforts will focus on extending this to the multi gpu and multi node cases as well is integrating gpu algorithms into the main code base. We will also focus on making the algorithm more available to users (our build process is not user friendly) and testing to production level.\r\n\r\nWe will have contribution from from Nvidia and h2o.ai on this project.\r\n\r\nUpdated 2017/9/28\r\n## Completed\r\nFast hist algorithm extended to multi gpu\r\nExtended unit tests \r\nImproved exact GPU algorithm\r\nImproved numerical precision \r\nGPU accelerated prediction\r\nIntegration of GPU plug-in into main XGBoost code base\r\nSupport for R\r\nNvidia blog post \r\n\r\n## In progress\r\nGPU continuous integration with python wheels available\r\nBinaries/images available for multiple platforms\r\nImproved histogram algorithm with loss guided mode\r\n\r\n## Nice to have\r\nMulti node distributed algorithm (possible integration of NCCL 2.0)\r\nExtended benchmarks (real datasets on dgx1/aws p2 systems) \r\nDMLC blog post\r\nDocker images available\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/dmlc/xgboost/issues/comments/397465180","html_url":"https://github.com/dmlc/xgboost/issues/2305#issuecomment-397465180","issue_url":"https://api.github.com/repos/dmlc/xgboost/issues/2305","id":397465180,"node_id":"MDEyOklzc3VlQ29tbWVudDM5NzQ2NTE4MA==","user":{"login":"trivialfis","id":16746409,"node_id":"MDQ6VXNlcjE2NzQ2NDA5","avatar_url":"https://avatars0.githubusercontent.com/u/16746409?v=4","gravatar_id":"","url":"https://api.github.com/users/trivialfis","html_url":"https://github.com/trivialfis","followers_url":"https://api.github.com/users/trivialfis/followers","following_url":"https://api.github.com/users/trivialfis/following{/other_user}","gists_url":"https://api.github.com/users/trivialfis/gists{/gist_id}","starred_url":"https://api.github.com/users/trivialfis/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/trivialfis/subscriptions","organizations_url":"https://api.github.com/users/trivialfis/orgs","repos_url":"https://api.github.com/users/trivialfis/repos","events_url":"https://api.github.com/users/trivialfis/events{/privacy}","received_events_url":"https://api.github.com/users/trivialfis/received_events","type":"User","site_admin":false},"created_at":"2018-06-14T23:09:16Z","updated_at":"2018-06-14T23:09:16Z","author_association":"CONTRIBUTOR","body":"For \"Improved histogram algorithm with loss guided mode\", what does \"improved\" mean?"}}
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