{"action":"created","comment":{"url":"https://api.github.com/repos/dealii/dealii/pulls/comments/235441461","pull_request_review_id":177307564,"id":235441461,"node_id":"MDI0OlB1bGxSZXF1ZXN0UmV2aWV3Q29tbWVudDIzNTQ0MTQ2MQ==","diff_hunk":"@@ -151,7 +156,35 @@ namespace CUDAWrappers\n      * degrees of freedom, the DoFHandler and the mapping describe the\n      * transformation from unit to real cell, and the finite element\n      * underlying the DoFHandler together with the quadrature formula\n-     * describe the local operations.\n+     * describe the local operations. This function supports distributed\n+     * computation (MPI).\n+     */\n+    void\n+    reinit(const Mapping<dim> &             mapping,\n+           const DoFHandler<dim> &          dof_handler,\n+           const AffineConstraints<Number> &constraints,\n+           const Quadrature<1> &            quad,\n+           std::shared_ptr<const MPI_Comm>  comm,","path":"include/deal.II/matrix_free/cuda_matrix_free.h","position":39,"original_position":39,"commit_id":"15548e7697d737e6b3aa76695eddf91cbc1d9e5f","original_commit_id":"f547aaf4c4a7868e4b545264c6c9ca479272f12b","user":{"login":"Rombur","id":368538,"node_id":"MDQ6VXNlcjM2ODUzOA==","avatar_url":"https://avatars3.githubusercontent.com/u/368538?v=4","gravatar_id":"","url":"https://api.github.com/users/Rombur","html_url":"https://github.com/Rombur","followers_url":"https://api.github.com/users/Rombur/followers","following_url":"https://api.github.com/users/Rombur/following{/other_user}","gists_url":"https://api.github.com/users/Rombur/gists{/gist_id}","starred_url":"https://api.github.com/users/Rombur/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Rombur/subscriptions","organizations_url":"https://api.github.com/users/Rombur/orgs","repos_url":"https://api.github.com/users/Rombur/repos","events_url":"https://api.github.com/users/Rombur/events{/privacy}","received_events_url":"https://api.github.com/users/Rombur/received_events","type":"User","site_admin":false},"body":"Yeah, basically. If you prefer I can remove it from the interface and have a private function with this interface.","created_at":"2018-11-21T15:50:21Z","updated_at":"2018-11-21T15:50:21Z","html_url":"https://github.com/dealii/dealii/pull/7463#discussion_r235441461","pull_request_url":"https://api.github.com/repos/dealii/dealii/pulls/7463","author_association":"MEMBER","_links":{"self":{"href":"https://api.github.com/repos/dealii/dealii/pulls/comments/235441461"},"html":{"href":"https://github.com/dealii/dealii/pull/7463#discussion_r235441461"},"pull_request":{"href":"https://api.github.com/repos/dealii/dealii/pulls/7463"}},"in_reply_to_id":235414610},"pull_request":{"url":"https://api.github.com/repos/dealii/dealii/pulls/7463","id":232685875,"node_id":"MDExOlB1bGxSZXF1ZXN0MjMyNjg1ODc1","html_url":"https://github.com/dealii/dealii/pull/7463","diff_url":"https://github.com/dealii/dealii/pull/7463.diff","patch_url":"https://github.com/dealii/dealii/pull/7463.patch","issue_url":"https://api.github.com/repos/dealii/dealii/issues/7463","number":7463,"state":"open","locked":false,"title":"Distributed CUDA matrix-free","user":{"login":"Rombur","id":368538,"node_id":"MDQ6VXNlcjM2ODUzOA==","avatar_url":"https://avatars3.githubusercontent.com/u/368538?v=4","gravatar_id":"","url":"https://api.github.com/users/Rombur","html_url":"https://github.com/Rombur","followers_url":"https://api.github.com/users/Rombur/followers","following_url":"https://api.github.com/users/Rombur/following{/other_user}","gists_url":"https://api.github.com/users/Rombur/gists{/gist_id}","starred_url":"https://api.github.com/users/Rombur/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Rombur/subscriptions","organizations_url":"https://api.github.com/users/Rombur/orgs","repos_url":"https://api.github.com/users/Rombur/repos","events_url":"https://api.github.com/users/Rombur/events{/privacy}","received_events_url":"https://api.github.com/users/Rombur/received_events","type":"User","site_admin":false},"body":"Add support for distributed CUDA matrix-free. This is pretty straightforward, the main difference between the serial and the distributed case is that in the distributed case, the global indices need to be converted to local ones.\r\n\r\nPart of  #7037\r\n\r\ncc: @dsambit 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