SCHEDULE: NOV 16-22, 2013
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X10 at Petascale
SESSION: Research Poster Reception
EVENT TYPE: Posters, Electronic Posters, and Education Posters
TIME: 5:15PM - 7:00PM
AUTHOR(S):Olivier Tardieu, Benjamin Herta, David Cunningham, David Grove, Prabhanjan Kambadur, Vijay A. Saraswat, Avraham Shinnar, Mikio Takeuchi, Mandana Vaziri
ROOM:Mile High Pre-Function
ABSTRACT:
X10 is a high-performance, high-productivity programming language
aimed at large-scale distributed and shared-memory parallel
applications. It is based on the Asynchronous Partitioned Global
Address Space (APGAS) programming model, supporting the same
fine-grained concurrency mechanisms within and
across nodes.
We demonstrate that X10 delivers solid performance at petascale by
running (weak scaling) eight application kernels on an IBM Power 775
supercomputer utilizing up to 55680 Power7 cores (1.7 Pflop/s). We
sketch advances in distributed termination detection, distributed
load balancing, and use of high-performance interconnects that
enable X10 to scale out to thousands of nodes.
Chair/Author Details:
Olivier Tardieu - IBM Research
Benjamin Herta - IBM Research
David Cunningham - IBM Research
David Grove - IBM Research
Prabhanjan Kambadur - IBM Research
Vijay A. Saraswat - IBM Research
Avraham Shinnar - IBM Research
Mikio Takeuchi - IBM Research
Mandana Vaziri - IBM Research
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