{"id":160511,"date":"2008-06-07T00:00:00","date_gmt":"2008-06-07T07:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/parallel-generational-copying-garbage-collection-with-a-block-structured-heap\/"},"modified":"2018-10-16T20:20:17","modified_gmt":"2018-10-17T03:20:17","slug":"parallel-generational-copying-garbage-collection-with-a-block-structured-heap","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/parallel-generational-copying-garbage-collection-with-a-block-structured-heap\/","title":{"rendered":"Parallel Generational-Copying Garbage Collection with a Block-Structured Heap"},"content":{"rendered":"<div class=\"asset-content\">\n<p>We present a parallel generational-copying garbage collector implemented for the Glasgow Haskell Compiler. We use a block-structured memory allocator, which provides a natural granularity for dividing the work of GC between many threads, leading to a simple yet effective method for parallelising copying GC. The results are encouraging: we demonstrate wall-clock speedups of on average a factor of 2 in GC time on a commodity 4-core machine with no programmer intervention, compared to our best sequential GC.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We present a parallel generational-copying garbage collector implemented for the Glasgow Haskell Compiler. We use a block-structured memory allocator, which provides a natural granularity for dividing the work of GC between many threads, leading to a simple yet effective method for parallelising copying GC. The results are encouraging: we demonstrate wall-clock speedups of on average [&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":"user_nicename","value":"simonmar"},{"type":"user_nicename","value":"tharris"},{"type":"user_nicename","value":"simonpj"}],"msr_publishername":"ACM","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"ISMM '08: Proceedings of the 7th international symposium on Memory management","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":"ISMM '08: Proceedings of the 7th international symposium on Memory 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