{"id":155109,"date":"2008-06-01T00:00:00","date_gmt":"2008-06-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/embracing-diversity-in-the-barrelfish-manycore-operating-system\/"},"modified":"2020-11-10T09:04:19","modified_gmt":"2020-11-10T17:04:19","slug":"embracing-diversity-in-the-barrelfish-manycore-operating-system","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/embracing-diversity-in-the-barrelfish-manycore-operating-system\/","title":{"rendered":"Embracing diversity in the Barrelfish manycore operating system"},"content":{"rendered":"<div class=\"asset-content\">\n<p>We discuss diversity and heterogeneity in manycore computer systems, and identify three distinct types of diversity, all of which present challenges to operating system designers and application writers alike. We observe that most current research work has concentrated on a narrow form of one of these (non-uniform memory access) to the exclusion of the others, and show with measurement why this makes sense in the short term. However, we claim that this is not viable in the long term given current processor and system roadmaps, and present our approach to dealing with both heterogeneous hardware within a single system, and the increasing diversity of complete system configurations: we directly represent detailed system information in an expressive \u201csystem knowledge base\u201d accessible to applications and OS subsystems alike, and use this to control tasks such as scheduling and resource allocation.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>We discuss diversity and heterogeneity in manycore computer systems, and identify three distinct types of diversity, all of which present challenges to operating system designers and application writers alike. We observe that most current research work has concentrated on a narrow form of one of these (non-uniform memory access) to the exclusion of the others, [&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":"","footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13547],"msr-publication-type":[193716],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-post-option":[],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-155109","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-systems-and-networking","msr-locale-en_us"],"msr_publishername":"Association for Computing Machinery, Inc.","msr_edition":"","msr_affiliation":"","msr_published_date":"2008-6-1","msr_host":"","msr_duration":"","msr_version":"","msr_speaker":"","msr_other_contributors":"","msr_booktitle":"","msr_pages_string":"","msr_chapter":"","msr_isbn":"","msr_journal":"","msr_volume":"","msr_number":"","msr_editors":"","msr_series":"","msr_issue":"","msr_organization":"","msr_how_published":"","msr_notes":"","msr_highlight_text":"","msr_release_tracker_id":"","msr_original_fields_of_study":"","msr_download_urls":"","msr_external_url":"","msr_secondary_video_url":"","msr_longbiography":"","msr_microsoftintellectualproperty":1,"msr_main_download":"225595","msr_publicationurl":"","msr_doi":"","msr_publication_uploader":[{"type":"file","viewUrl":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2008\/06\/barrelfish_mmcs08.pdf","id":"225595","title":"barrelfish_mmcs08.pdf","label_id":"243109","label":0}],"msr_related_uploader":"","msr_attachments":[{"id":225595,"url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-content\/uploads\/2008\/06\/barrelfish_mmcs08.pdf"}],"msr-author-ordering":[{"type":"text","value":"Adrian Sch\u00fcpbach","user_id":0,"rest_url":false},{"type":"text","value":"Simon Peter","user_id":0,"rest_url":false},{"type":"user_nicename","value":"Andrew Baumann","user_id":31181,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=Andrew Baumann"},{"type":"text","value":"Timothy Roscoe","user_id":0,"rest_url":false},{"type":"user_nicename","value":"Paul Barham","user_id":33217,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=Paul Barham"},{"type":"user_nicename","value":"Tim Harris","user_id":34017,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=Tim Harris"},{"type":"user_nicename","value":"Rebecca Isaacs","user_id":33411,"rest_url":"https:\/\/www.microsoft.com\/en-us\/research\/wp-json\/microsoft-research\/v1\/researchers?person=Rebecca Isaacs"}],"msr_impact_theme":[],"msr_research_lab":[],"msr_event":[],"msr_group":[144927],"msr_project":[170320],"publication":[],"video":[],"download":[],"msr_publication_type":"inproceedings","related_content":{"projects":[{"ID":170320,"post_title":"Barrelfish","post_name":"barrelfish","post_type":"msr-project","post_date":"2009-08-26 06:02:43","post_modified":"2017-06-01 18:35:06","post_status":"publish","permalink":"https:\/\/www.microsoft.com\/en-us\/research\/project\/barrelfish\/","post_excerpt":"Barrelfish is a new operating system being built from scratch in a collaboration between researchers at ETH Zurich and Microsoft Research, Cambridge. We are exploring how to structure an OS for future multi- and many-core systems. The motivation is two closely related hardware trends: first, the rapidly growing number of cores, which leads to scalability challenges, and second, the increasing diversity in computer hardware, requiring the OS to manage and exploit heterogeneous hardware resources. 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