SC13 Home > SC13 Schedule > SC13 Presentation - X10 at Petascale

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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