• CLOSED
    June 28 12:00am
    pool closed more »
  • USA Swimming National Championships
    June 28 12:00am
    meet more »
  • Nanotechnology Experiences for Students and Teachers
    June 29 8:45am
    High School students, grades 9-12, come for 2 weeks of programming that explore the interdisciplinary field of nanotechnology.  This cutting-edge field is rapidly becoming an essential part of science, engineering, medicine, and many other disciplines.  They will earn a college credit hour in Engineering & Technology and/or Sc more »
  • SQL: Advanced Data Retrieval and Data Modification
    June 29 1:30pm
    This workshop lasts 3 hours. Building on what was covered in SQL: Data Retrieval, this workshop is intended for anyone wants to learn how to use SQL to add, update, and delete data and learn advanced data retrieval techniques. In addition, participants will learn basic concepts of database transaction processing. more »
  • Mindfulness Meditation
    June 30 11:00am
    Feeling stressed and overwhelmed? Looking for an opportunity to practice self-care? Join us for guided mindfulness meditation. You don't have to be a CAPS client and no registration is needed. Student ID is required. more »
Wednesday, June 28, 2017
    IU Calendar




    • CLOSED
      June 28 12:00am
      pool closed more »
    • USA Swimming National Championships
      June 28 12:00am
      meet more »
    • Nanotechnology Experiences for Students and Teachers
      June 29 8:45am
      High School students, grades 9-12, come for 2 weeks of programming that explore the interdisciplinary field of nanotechnology.  This cutting-edge field is rapidly becoming an essential part of science, engineering, medicine, and many other disciplines.  They will earn a college credit hour in Engineering & Technology and/or Sc more »
    • SQL: Advanced Data Retrieval and Data Modification
      June 29 1:30pm
      This workshop lasts 3 hours. Building on what was covered in SQL: Data Retrieval, this workshop is intended for anyone wants to learn how to use SQL to add, update, and delete data and learn advanced data retrieval techniques. In addition, participants will learn basic concepts of database transaction processing. more »
    • Mindfulness Meditation
      June 30 11:00am
      Feeling stressed and overwhelmed? Looking for an opportunity to practice self-care? Join us for guided mindfulness meditation. You don't have to be a CAPS client and no registration is needed. Student ID is required. more »
    Wednesday, June 28, 2017
      IU Calendar




      • CLOSED
        June 28 12:00am
        pool closed more »
      • USA Swimming National Championships
        June 28 12:00am
        meet more »
      • Nanotechnology Experiences for Students and Teachers
        June 29 8:45am
        High School students, grades 9-12, come for 2 weeks of programming that explore the interdisciplinary field of nanotechnology.  This cutting-edge field is rapidly becoming an essential part of science, engineering, medicine, and many other disciplines.  They will earn a college credit hour in Engineering & Technology and/or Sc more »
      • SQL: Advanced Data Retrieval and Data Modification
        June 29 1:30pm
        This workshop lasts 3 hours. Building on what was covered in SQL: Data Retrieval, this workshop is intended for anyone wants to learn how to use SQL to add, update, and delete data and learn advanced data retrieval techniques. In addition, participants will learn basic concepts of database transaction processing. more »
      • Mindfulness Meditation
        June 30 11:00am
        Feeling stressed and overwhelmed? Looking for an opportunity to practice self-care? Join us for guided mindfulness meditation. You don't have to be a CAPS client and no registration is needed. Student ID is required. more »
      Wednesday, June 28, 2017
        IU Calendar




        • CLOSED
          June 28 12:00am
          pool closed more »
        • USA Swimming National Championships
          June 28 12:00am
          meet more »
        • Nanotechnology Experiences for Students and Teachers
          June 29 8:45am
          High School students, grades 9-12, come for 2 weeks of programming that explore the interdisciplinary field of nanotechnology.  This cutting-edge field is rapidly becoming an essential part of science, engineering, medicine, and many other disciplines.  They will earn a college credit hour in Engineering & Technology and/or Sc more »
        • SQL: Advanced Data Retrieval and Data Modification
          June 29 1:30pm
          This workshop lasts 3 hours. Building on what was covered in SQL: Data Retrieval, this workshop is intended for anyone wants to learn how to use SQL to add, update, and delete data and learn advanced data retrieval techniques. In addition, participants will learn basic concepts of database transaction processing. more »
        • Mindfulness Meditation
          June 30 11:00am
          Feeling stressed and overwhelmed? Looking for an opportunity to practice self-care? Join us for guided mindfulness meditation. You don't have to be a CAPS client and no registration is needed. Student ID is required. more »
        Wednesday, June 28, 2017

          About This Event

          Summary

          Summary

          High end parallel and multi-core processors rely on compilers to perform the necessary optimizations and exploit concurrency in order to achieve higher performance. However, source code for high performance computers is extremely complex to analyze and optimize. In particular, program analysis techniques often do not take into account complex expressions during the data dependence analysis phase. Most data dependence tests are only able to analyze linear expressions, even though non-linear expressions occur very often in practice. Therefore, considerable amounts of potential parallelism remain unexploited. In this talk we propose new data dependence analysis techniques to handle such complex instances of the dependence problem and increase program parallelization. Our method is based on a set of polynomial time techniques that can prove or disprove dependences in source codes with non-linear and symbolic expressions, complex loop bounds, arrays with coupled subscripts, and if-statement constraints. In addition our algorithm can produce accurate and complete direction vector information, enabling the compiler to apply further transformations. To validate our method we performed an experimental evaluation and comparison against the I-Test, the Omega test and the Range test in the Perfect and SPEC benchmarks. The experimental results indicate that our dependence analysis tool is accurate, efficient and more effective in program parallelization than the other dependence tests. The improved parallelization results into higher speedups and better program execution performance in several benchmarks.

          Kleanthis Psarris is Professor and Chair of the Department of Computer Science at the University of Texas at San Antonio. He received his B.S. degree in Mathematics from the National University of Athens, Greece in 1984. He received his M.S. degree in Computer Science in 1987, his M.Eng. degree in Electrical Engineering in 1989 and his Ph.D. degree in Computer Science in 1991, all from Stevens Institute of Technology in Hoboken, New Jersey. His research interests are in the areas of Parallel and Distributed Systems, Programming Languages and Compilers, and High Performance Computing. He has designed and implemented state of the art program analysis and compiler optimization techniques and he developed compiler tools to increase program parallelization and improve execution performance on advanced computer architectures. He has published extensively in top journals and conferences in the field and his research has been funded by the National Science Foundation and Department of Defense agencies. He is an Editor of the Parallel Computing journal. He has served on the Program Committees of several international conferences including the ACM International Conference on Supercomputing (ICS) in 1995, 2000, 2006 and 2008, the IEEE International Conference on High Performance Computing and Communications (HPCC) in 2008, 2009, and 2010, and the ACM Symposium on Applied Computing (SAC) in 2003, 2004, 2005 and 2006.

          This seminar will be held on Thursday, January 27th at 11:15 am in SL 110

          Bookmark and Share
          Contact Information

          DeeDee Whittaker
          whittakd@cs.iupui.edu

          Event Site --- None ---
          Registration --- None ---

          Event Schedule

          There are no upcoming dates for this event.

          IU Calendar




          • CLOSED
            June 28 12:00am
            pool closed more »
          • USA Swimming National Championships
            June 28 12:00am
            meet more »
          • Nanotechnology Experiences for Students and Teachers
            June 29 8:45am
            High School students, grades 9-12, come for 2 weeks of programming that explore the interdisciplinary field of nanotechnology.  This cutting-edge field is rapidly becoming an essential part of science, engineering, medicine, and many other disciplines.  They will earn a college credit hour in Engineering & Technology and/or Sc more »
          • SQL: Advanced Data Retrieval and Data Modification
            June 29 1:30pm
            This workshop lasts 3 hours. Building on what was covered in SQL: Data Retrieval, this workshop is intended for anyone wants to learn how to use SQL to add, update, and delete data and learn advanced data retrieval techniques. In addition, participants will learn basic concepts of database transaction processing. more »
          • Mindfulness Meditation
            June 30 11:00am
            Feeling stressed and overwhelmed? Looking for an opportunity to practice self-care? Join us for guided mindfulness meditation. You don't have to be a CAPS client and no registration is needed. Student ID is required. more »
          Wednesday, June 28, 2017