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1CSE120Principles of Operating SystemsProf Yuanyuan (YY) ZhouLecture 7Apr 22 , 201010/13/2010CSE 120 – Lecture 8 –Scheduling and Deadlock2AnnouncementHomework 2 releasedProject 1 due on Oct 21st10/13/2010CS 323 - Operating Systems, Yuanyuan Zhou3BarriersUse of a barrier–processes approaching a barrier–all processes but one blocked at barrier–last process arrives, all are let throughReal life analogy?Problem:–Waste CPU if workloads are unbalanced10/13/2010CS 323 - Operating Systems, Yuanyuan Zhou4Barriers
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