sponsored byACMIEEE The International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 15-20, 2015

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MINIO: An I/O Benchmark for Investigating High Level Parallel Libraries

SESSION: Regular & ACM Student Research Competition Poster Reception

EVENT TYPE: Posters, Receptions, ACM Student Research Competition

EVENT TAG(S): HPC Beginner Friendly, Regular Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR(S): Michela Becchi, Manish Parashar, Dorian C. Arnold

AUTHOR(S):James Dickson, Satheesh Maheswaran, Steven Wright, Andy Herdman, Stephen Jarvis

ROOM:Level 4 - Lobby


Input/output (I/O) operations are amongst the biggest challenges facing scientific computing as it transitions to exascale. The traditional software stack -- comprising of parallel file systems, middlewares and high level libraries -- has evolved to enable applications to better cope with the demands of enormous datasets. This software stack makes high performance parallel I/O easily accessible to application engineers, however it is important to ensure best performance is not compromised through attempts to enrich these libraries.

We present MINIO, a benchmark for the investigation of I/O behaviour focusing on understanding overheads and inefficiencies in high level library usage. MINIO uses HDF5 and TyphonIO to explore I/O at scale using different application behavioural patterns.

A case study is performed using MINIO to identify performance limiting characteristics present in the TyphonIO library as an example of performance discrepancies in the I/O stack.

Chair/Author Details:

Michela Becchi, Manish Parashar, Dorian C. Arnold (Chair) - University of Missouri|Rutgers University|University of New Mexico|

James Dickson - University of Warwick

Satheesh Maheswaran - Atomic Weapons Establishment

Steven Wright - University of Warwick

Andy Herdman - Atomic Weapons Establishment

Stephen Jarvis - University of Warwick

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