1:30 PM-3:30 PM
I/O performance has lagged significantly behind the computation and communication performance of high-performance computers. To eliminate this bottleneck, computer scientists are exploring new techniques and evaluating their effectiveness on high-performance computing testbeds nationwide. One of the most promising research developments is the design of a portable abstract-device interface for parallel I/O, which enables users to run applications portably and efficiently on a variety of high-performance systems. Also under investigation are remote I/O techniques for metacomputing systems and the use of multithreading to improve I/O performance in parallel programs. Central to these efforts is the characterization of I/O-intensive applications requirements, which are then used to guide the development of new programming language features, compiler techniques, runtime libraries, operating system support, parallel file systems, and high-performance networking software.
Organizer: Rick L. Stevens
Argonne National Laboratory
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