PPT-Scrutinising the MPI:

Brief reflections on Dotter and Klasens proposals Sabina Alkire and OPHI colleagues 4 March 2013 A background paper is available upon request Proposals by Dotter and Klasen 2013 Empirical . 10 questions to ask if you’re scrutinising arrangements to support effective local Healthwatch The Centre for Public ScrutinyThe Centre for Public Scrutiny is an independent charity that promote WG Charter. Monitor . MPI3.0 activity to determine . each proposals. ' impact on MPI . 2.x . users and code . base.. The . goal is to provide recommendations to MPI 3.0 proposals and introduce new . proposals . Ticket #273. Introduction. I/O is . one . of the main bottlenecks in HPC applications.. Many applications or higher level libraries rely on MPI-I/O for doing parallel I/O.. Several optimizations have been introduced in MPI-I/O to meet the needs of application. 3/9/2010 update. Current Efforts. API modifications. How to handle changes in API’s . MPI_Count. . How to handle this specific issue. Advice to ticket authors. General advice on API and functionality interaction with pre-existing API’s and code. MPI Side Document. History. MPIR and MQD were designed around 1995. MPIR: Process discovery. Formally described in the MPIR document in 2010. MQD details were omitted. MQD: Message Queue Dumping. Many MPI implementations support it and almost all debuggers use it. Pavan Balaji. 1. , Darius Buntinas. 1. , David Goodell. 1. , William Gropp. 2. , and Rajeev Thakur. 1. 1 . Argonne National Laboratory. 2 . University of Illinois at Urbana-Champaign. 2. Motivation. Multicore processors are ubiquitous. Dr. Guy Tel-. Zur. Lecture 10. Agenda. Administration. Final presentations. Demos. Theory. Next week plan. Home assignment #4 (last). Final Projects. Next Sunday: Groups 1-1. 6. will present. Next Monday: Groups 1. Presented by. Akshay Patil. Rose Mary George. Roadmap. Introduction. Motivation. Sequential TSP. Parallel Algorithm. Results. References. 2. Introduction. What is TSP?. Given a list of cities and the distances . Why An ARB?. Consider long-view – what does MPI need to remain. relevant for the future? . Consider big picture – are features proposed for (or already part of) MPI consistent with the MPI?. Recommend – What should the MPI Forum consider?. Minaashi Kalyanaraman . Pragya . Upreti. CSS 534 Parallel Programming. OVERVIEW. Fault Tolerance in MPI. Levels of survival in MPI. Approaches to . f. ault tolerance in MPI. Advantages & disadvantages of implementing fault tolerance in MPI. See for example, eet, we . c. hange the world.. http. ://youtu.be/BeyNb7Nft9o. Today’s Discussion. Overview. Leadership. MPI Foundation. Membership Value . I Am MPI. State of MPI. Open Discussion. Overview. Global Industry Impact. Junchao. Zhang. Argonne National Laboratory. jczhang@anl.gov. Pavan Balaji. Argonne National Laboratory. balaji@anl.gov. Ken . Raffenetti. Argonne National Laboratory. raffenet@anl.gov. Bill. . Long. Boston University. Scientific Computing and Visualization. First log . on . to PC with . your BU userid and Kerboros . password . If you don’t have BU userid, then use this:. userid: . tuta1 . . . tuta18 .