{"id":149692,"date":"2004-09-01T00:00:00","date_gmt":"2004-09-01T00:00:00","guid":{"rendered":"https:\/\/new-cm-edgedigital.pages.dev\/en-us\/research\/msr-research-item\/virtual-private-machines-improving-user-perceived-performance\/"},"modified":"2018-10-16T21:30:46","modified_gmt":"2018-10-17T04:30:46","slug":"virtual-private-machines-improving-user-perceived-performance","status":"publish","type":"msr-research-item","link":"https:\/\/new-cm-edgedigital.pages.dev\/en-us\/research\/publication\/virtual-private-machines-improving-user-perceived-performance\/","title":{"rendered":"Virtual Private Machines: Improving User-Perceived Performance"},"content":{"rendered":"<div class=\"asset-content\">\n<p>Inconsistent system behavior causes unpredictable performance which is known to stress users; making the system perform consistently should remove this source of user stress. Operating systems currently provide the illusion that each application runs on a dedicated Virtual Machine. This paper proposes incorporating performance into this abstraction, resulting in a Virtual Private Machine. The VPM abstraction aims to improve user-perceived performance by increasing performance consistency, and it is applicable to any uservisible application, from word processors to web servers. To provide VPMs, per-resource performance models allow resources to be scheduled to meet target response times calculated for each user-visible action.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Inconsistent system behavior causes unpredictable performance which is known to stress users; making the system perform consistently should remove this source of user stress. Operating systems currently provide the illusion that each application runs on a dedicated Virtual Machine. This paper proposes incorporating performance into this abstraction, resulting in a Virtual Private Machine. 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