{"id":259224,"date":"2011-09-01T03:58:23","date_gmt":"2011-09-01T10:58:23","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/?post_type=msr-research-item&#038;p=259224"},"modified":"2018-10-16T22:24:40","modified_gmt":"2018-10-17T05:24:40","slug":"towards-haskell-cloud","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/towards-haskell-cloud\/","title":{"rendered":"Towards Haskell in the cloud"},"content":{"rendered":"<p>We present Cloud Haskell, a domain-specific language for developing programs for a distributed-memory computing environment. Implemented as a shallow embedding in Haskell, it provides a message-passing communication model, inspired by Erlang, without introducing incompatibility with Haskell&#8217;s established shared-memory concurrency. A key contribution is a method for serializing function closures for transmission across the network. Cloud Haskell has been implemented; we present example code and some preliminary performance measurements.<\/p>\n<ul>\n<li>Jeff Epstein&#8217;s <a href=\"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2016\/07\/epstein-thesis.pdf\">MPhil thesis <\/a><\/li>\n<\/ul>\n<p><strong>Errata<\/strong><\/p>\n<p>Just before 4.1, the code for ping2 should read like this<\/p>\n<pre style=\"padding-left: 30px\">data Ping2 = Ping2 (SendPort Pong2)\u00a0\u00a0 -- Sent by ping-process\r\n                                      -- received by pong-process\r\ndata Pong2 = Pong2 (SendPort Ping2)\u00a0\u00a0 -- Sent by pong-process\r\n                                      -- received by ping-process\r\n\r\nping2 :: SendPort Pong2 -> ReceivePort Pong2 -> ProcessM ()\r\nping2 pongout pongin = do { Pong2 ping_port <- receiveChan pongin\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0; sendChan ping_port (Ping2 pongout)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0; ping2 pongout pongin }\r\n..similarly pong2\u2026<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We present Cloud Haskell, a domain-specific language for developing programs for a distributed-memory computing environment. Implemented as a shallow embedding in Haskell, it provides a message-passing communication model, inspired by Erlang, without introducing incompatibility with Haskell&#8217;s established shared-memory concurrency. A key contribution is a method for serializing function closures for transmission across the network. Cloud [&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":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"Haskell Symposium","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"","msr_page_range_end":"","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"Haskell 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