SC13 Home > SC13 Schedule > SC13 Presentation - Exascale Runtime Systems

SCHEDULE: NOV 16-22, 2013

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Exascale Runtime Systems

SESSION: Exascale Runtime Systems


TIME: 3:30PM - 5:00PM

SESSION CHAIR: Alice Koniges

Panelists:Pavan Balaji, Laxmikant Kale, Kathy Yelick, Bronis de Supinski, Vivek Sarkar, Thomas Sterling


As we head to Exascale, the computational hardware will undergo a significant revamp toward low-energy usage. General purpose computational cores might be augmented with heterogeneous accelerator cores. Memory subsystems would move toward deeper multi-level caches, smaller cache-coherence domains and non-DRAM memories. Networks will trend toward more cost-scalable and performance-localized setups. How runtime systems can bridge the gap between such architectures and modern complex and dynamic HPC applications is an open question. Would the answer be an evolutionary hybrid approach using MPI between nodes and an OpenMP or OpenACC-like model within the node? Would the answer be a completely revolutionary dynamic runtime system that would rethink the computation and data movement model from the ground up? This panel will be a half-and-half setup---the first half will be short "appetizer" presentations by experts discussing both evolutionary and revolutionary solutions; the second half will be an open debate among the participants.

Moderator/Panelist Details:

Alice Koniges (Chair) - Lawrence Berkeley National Laboratory

Pavan Balaji (Moderator) - Argonne National Laboratory

Laxmikant Kale - University of Illinois at Urbana-Champaign

Kathy Yelick - University of California, Berkeley

Bronis de Supinski - Lawrence Livermore National Laboratory

Vivek Sarkar - Rice University

Thomas Sterling - Indiana University

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