{"id":260511,"date":"2016-06-01T05:52:06","date_gmt":"2016-06-01T12:52:06","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=260511"},"modified":"2018-10-16T19:55:59","modified_gmt":"2018-10-17T02:55:59","slug":"composable-scheduler-activations-haskell","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/composable-scheduler-activations-haskell\/","title":{"rendered":"Composable Scheduler Activations for Haskell"},"content":{"rendered":"\n\n\n<p class=\"wp-block-paragraph\">The runtime for a modern, concurrent, garbage collected language like Haskell is like an operating system: sophisticated, complex, performant, but alas very hard to change. If more of the runtime system were in Haskell it would become far more modular and malleable. In this paper we describe a new concurrency design that allows the scheduler for concurrent and parallel programs to be written in Haskell. In particular, this substrate allows new primitives to be constructed <em>modularly<\/em>, obviating the need to re-engineer or reason about the interactions with GHC&#8217;s existing concurrency support.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/07\/lwc-hs13.pdf\">Earlier conference version<\/a>, rejected by the 2013 Haskell Symposium.<\/li>\r\n<li><a class=\"msr-external-link glyph-append glyph-append-open-in-new-tab glyph-append-xsmall\" rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/github.com\/ghc\/ghc\/tree\/ghc-lwc2\">Code on GitHub<span class=\"sr-only\"> (opens in new tab)<\/span><\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The runtime for a modern, concurrent, garbage collected language like Haskell is like an operating system: sophisticated, complex, performant, but alas very hard to change. If more of the runtime system were in Haskell it would become far more modular and malleable. In this paper we describe a new concurrency design that allows the scheduler [&hellip;]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"text","value":"KC Sivaramakrishnan"},{"type":"text","value":"Tim Harris"},{"type":"text","value":"Simon Marlow"},{"type":"user_nicename","value":"simonpj"}],"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"Journal of Functional 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