{"action":"created","issue":{"url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/1998","repository_url":"https://api.github.com/repos/raffenet/mpich-migrate-test","labels_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/1998/labels{/name}","comments_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/1998/comments","events_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/1998/events","html_url":"https://github.com/raffenet/mpich-migrate-test/issues/1998","id":169266510,"number":1998,"title":"pamid: use BG_MAPCOMMONHEAP to avoid shared-memory 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is a bug-fix release","creator":{"login":"raffenet","id":1410792,"avatar_url":"https://avatars.githubusercontent.com/u/1410792?v=3","gravatar_id":"","url":"https://api.github.com/users/raffenet","html_url":"https://github.com/raffenet","followers_url":"https://api.github.com/users/raffenet/followers","following_url":"https://api.github.com/users/raffenet/following{/other_user}","gists_url":"https://api.github.com/users/raffenet/gists{/gist_id}","starred_url":"https://api.github.com/users/raffenet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/raffenet/subscriptions","organizations_url":"https://api.github.com/users/raffenet/orgs","repos_url":"https://api.github.com/users/raffenet/repos","events_url":"https://api.github.com/users/raffenet/events{/privacy}","received_events_url":"https://api.github.com/users/raffenet/received_events","type":"User","site_admin":false},"open_issues":0,"closed_issues":1,"state":"closed","created_at":"2016-07-29T14:57:31Z","updated_at":"2016-08-04T00:43:18Z","due_on":"2014-09-01T05:00:00Z","closed_at":"2016-07-29T14:57:31Z"},"comments":0,"created_at":"2016-08-04T00:43:10Z","updated_at":"2016-08-04T00:43:18Z","closed_at":"2016-08-04T00:43:17Z","body":"**Originally by _jeff.science@gmail.com_ on 2014-01-08 09:01:00 -0600**\n\n___\nTicket #1942 was closed without addressing the concerns about the potential usage of `BG_MAPCOMMONHEAP`.\n\nThis ticket will be used to continue that discussion.\n\nReplying to [#1942#comment:5]:\n> When you implement this function, can you add an option (i.e. something that is enabled by an info key) to use BG_MAPCOMMONHEAP=1 to do load-store within the node?  It's relatively difficult for users to predict a priori what their POSIX shm usage is on BGQ and thus the shm_open method is likely to be problematic for BGQ users.\n\n[#1983#comment:6]:\n> Regarding `BG_MAPCOMMONHEAP`, I think this should be considered a request for a bgq-specific performance optimization. Maybe it belongs in its own ticket and set the milestone to 3.1.1 or future.\n"},"comment":{"url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/comments/237418215","html_url":"https://github.com/raffenet/mpich-migrate-test/issues/1998#issuecomment-237418215","issue_url":"https://api.github.com/repos/raffenet/mpich-migrate-test/issues/1998","id":237418215,"user":{"login":"raffenet","id":1410792,"avatar_url":"https://avatars.githubusercontent.com/u/1410792?v=3","gravatar_id":"","url":"https://api.github.com/users/raffenet","html_url":"https://github.com/raffenet","followers_url":"https://api.github.com/users/raffenet/followers","following_url":"https://api.github.com/users/raffenet/following{/other_user}","gists_url":"https://api.github.com/users/raffenet/gists{/gist_id}","starred_url":"https://api.github.com/users/raffenet/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/raffenet/subscriptions","organizations_url":"https://api.github.com/users/raffenet/orgs","repos_url":"https://api.github.com/users/raffenet/repos","events_url":"https://api.github.com/users/raffenet/events{/privacy}","received_events_url":"https://api.github.com/users/raffenet/received_events","type":"User","site_admin":false},"created_at":"2016-08-04T00:43:18Z","updated_at":"2016-08-04T00:43:18Z","body":"**Originally by _michael.blocksome@intel.com_ on 2014-06-09 10:59:05 -0500**\n\n___\nIt is not correct to use `BG_MAPCOMMONHEAP` as a shared memory substitute on bgq.\n\nSee ticket #2092"}}
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