{"action":"opened","issue":{"url":"https://api.github.com/repos/haskell-repa/repa/issues/13","repository_url":"https://api.github.com/repos/haskell-repa/repa","labels_url":"https://api.github.com/repos/haskell-repa/repa/issues/13/labels{/name}","comments_url":"https://api.github.com/repos/haskell-repa/repa/issues/13/comments","events_url":"https://api.github.com/repos/haskell-repa/repa/issues/13/events","html_url":"https://github.com/haskell-repa/repa/issues/13","id":230179038,"number":13,"title":"repa-algorithms mmultP needs deepSeqArray","user":{"login":"lehins","id":2333894,"avatar_url":"https://avatars3.githubusercontent.com/u/2333894?v=3","gravatar_id":"","url":"https://api.github.com/users/lehins","html_url":"https://github.com/lehins","followers_url":"https://api.github.com/users/lehins/followers","following_url":"https://api.github.com/users/lehins/following{/other_user}","gists_url":"https://api.github.com/users/lehins/gists{/gist_id}","starred_url":"https://api.github.com/users/lehins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/lehins/subscriptions","organizations_url":"https://api.github.com/users/lehins/orgs","repos_url":"https://api.github.com/users/lehins/repos","events_url":"https://api.github.com/users/lehins/events{/privacy}","received_events_url":"https://api.github.com/users/lehins/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-05-20T21:05:19Z","updated_at":"2017-05-20T21:05:19Z","closed_at":null,"body":"Transposed array `tarr` isn't fully evaluated in function `mmultP` causing the usual nested parallelism error. The offending line is here:\r\n https://github.com/haskell-repa/repa/blob/master/repa-algorithms/Data/Array/Repa/Algorithms/Matrix.hs#L59\r\n\r\nCould be easily solved by:\r\n```haskell\r\n...\r\ntarr `deepSeqArr` computeP\r\n...\r\n````\r\n"}}
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