sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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Analyzing Parallel I/O

SESSION: Analyzing Parallel I/O

EVENT TYPE: Birds of a Feather

TIME: 12:15PM - 1:15PM

SESSION LEADER(S):Julian Kunkel, Philip Carns, Alvaro Aguilera



Parallel application I/O performance often does not meet user expectations.
Moreover, slight access pattern modifications may lead to significant changes in performance due to complex interactions between hardware and software.
These challenges call for sophisticated tools to enable scientists and facilities operators to capture, analyze, understand, and tune application I/O.

In this BoF we will introduce tools that can help to address this problem for different use cases. We focus in particular on the features of Darshan, SIOX, and Vampir. We also seek to gather feedback from the community regarding I/O challenges and discuss the requirements for monitoring future systems.

Session Leader Details:

Julian Kunkel (Primary Session Leader) - German Climate Computing Center

Philip Carns (Secondary Session Leader) - Argonne National Laboratory

Alvaro Aguilera (Secondary Session Leader) - Technical University Dresden

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