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SUMMARY:Practical performance models for complex\, popular applications - 
 Eno Thereska\, Microsoft Research
DTSTART:20100528T120000Z
DTEND:20100528T120000Z
UID:TALK25014@talks.cam.ac.uk
CONTACT:Microsoft Research Cambridge Talks Admins
DESCRIPTION:Perhaps surprisingly\, no practical performance models exist f
 or popular (and complex) client applications such as Adobat's Creative Sui
 te\, Microsoft's Office and Visual Studio\, Mozilla\, Halo 3\, etc. There 
 is currently no tool that automatically answers program developers'\, IT a
 dministrators' and end-users' simple what-if questions like "what happens 
 to the performance of my favourite application X if I upgrade from Windows
  Vista to Windows 7? ". This work describes our approach towards construct
 ing practical\, versatile performance models to address this problem. The 
 goal is to have these models be useful for application developers to help 
 expand application testing coverage and for IT administrators to assist wi
 th understanding the performance consequences of a software\, hardware or 
 configuration change. The models we are experimenting with are based on st
 atistical techniques and they require no explicit a priori model on how an
  OS or application should behave. We are in the process of learning from m
 odels we have constructed for several Microsoft products\, including the O
 ffice suite\, Visual Studio and Media Player. This work presents prelimina
 ry findings from a large user deployment (several hundred thousand user se
 ssions) of these applications that show the coverage and limitations of su
 ch models. (This is a Sigmetrics + TAB practice talk.)
LOCATION:Small public lecture room\, Microsoft Research Ltd\, 7 J J Thomso
 n Avenue (Off Madingley Road)\, Cambridge
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