PPT-Exceptional Control Flow

15213 Introduction to Computer Systems Recitation 9 Monday October 21 st 2013 Ian Hartwig Section E Agenda Midterm WrapUp Exceptional Control Flow Processes Process Examples Signals. Optimal Power Flow uses stateoftheart techniques including an interior point method with barrier functions and infeasibility handling to achieve ultimate accuracy and flexibility in solving systems of any size Optimal Optimal Secure Objective Contro Flow Control determines how a network resources, such as . channel bandwidth . , . buffer capacity . and . control state . are allocated to packet traversing the network .. One can view flow control : . (Congestion Window Control). Ashkan Paya . 1. Based on. An argument for increasing TCP’s initial congestion window. Nandita Dukkipati, Tiziana Refice, Yuchung Cheng, Jerry Chu, Tom Herbert, Amit Agarwal, Arvind Jain and Natalia Sutin. Google Inc.. in a . Low- Pressure Turbine*. Joshua Combs, Aerospace Engineering, Junior, University of Cincinnati. Devon Riddle, Aerospace Engineering, Senior, University of Cincinnati. ASSISTED BY:. Michael Cline, Graduate Research Assistant. Stanley . Bak. University of Illinois at Urbana-Champaign. (Some slides from Joel . Van Der . Woude. ). Problem . Cyber-physical systems are vulnerable to cyber attack.. Attacks on critical infrastructure bring physical consequences.. Control . Flow. Up to Now: two mechanisms for changing control flow:. Jumps/branches. Call and return using the stack. Both react to changes in . internal program . state.. Insufficient for a useful system. 15-213: Introduction to Computer Systems. Recitation 9: Monday, . October 21. st. , . 2013. Ian Hartwig. Section . E. Agenda. Midterm Wrap-Up. Exceptional Control Flow. Processes. Process Examples. Signals. Part . II. Exceptional Control Flow. Change in control flow in response to a system event. Low . level Mechanisms. 1. Exceptions and interrupts. Higher . Level Mechanisms. 2. Process . context . switch. Control Flow. <startup>. inst. 1. inst. 2. inst. 3. …. inst. n. <shutdown>. Processors do only one thing:. From startup to shutdown, a CPU simply reads and executes (interprets) a sequence of instructions, one at a time. Exceptions and Processes. 15-213 : Introduction to Computer Systems. 14. th. Lecture, Oct. 15, 2015. Instructors:. . Randal E. Bryant . and David R. . O’Hallaron. Today. Exceptional Control Flow. 15-213: Introduction to Computer Systems. Recitation 9: . Monday. , October 26. th. , 2015. Celeste Neary . Adapted from slides by Ian . Hartwig. Agenda. Midterm Wrap-Up. Exceptional Control Flow. Processes. Tierra Roller. Aerospace Engineering, University of Arizona. Mentor: Dr. Jesse Little. Assistant Professor, Department of Aerospace and Mechanical Engineering,. University of Arizona. Arizona Space Grant Consortium. in a . Low- Pressure Turbine*. Joshua Combs, Aerospace Engineering, Junior, University of Cincinnati. Devon Riddle, Aerospace Engineering, Senior, University of Cincinnati. ASSISTED BY:. Michael Cline, Graduate Research Assistant. over InfiniBand. P. Balaji. , . S. Bhagvat. , . D. K. Panda. , . R. Thakur. , and . W. Gropp. Mathematics and Computer Science, Argonne National Laboratory. High Performance Cluster Computing, Dell Inc..